Step-by-step explanation:
15 cups of water fill 1 1/2 pitchers. that is 3/2 pitchers.
in one pitcher we have then 1 / 3/2 the amount of water of the 3/2 pitchers.
that means
15 × 1 / 3/2 = 15/1 × 1/1 / 3/2 = 15/1 × 2/3 = 30/3 = 10
so, in one pitcher are 10 cups of water.
the area of rectangle is 48cm^3.if length and width of each is increased by 4cm.the area of larger rectangle is increased by 12cm^2.find the length and width of orignal rectangle
Let's assume the original length of the rectangle is 'l' cm and the original width is 'w' cm. The area of the original rectangle is given as 48 cm^2. It seems there might be an error or inconsistency in the problem statement or calculation.
1. When both the length and width are increased by 4 cm, the area of the larger rectangle is increased by 12 cm^2. To find the length and width of the original rectangle, we can set up an equation and solve for the unknowns.
2. Let's start by considering the original rectangle with length 'l' cm and width 'w' cm. The area of a rectangle is calculated by multiplying its length and width, so the area of the original rectangle is given by A = l * w.
3. According to the problem, the area of the original rectangle is 48 cm^2. Therefore, we have the equation:
l * w = 48 ----(1)
4. Now, let's consider the larger rectangle, where both the length and width are increased by 4 cm. The new length would be 'l + 4' cm, and the new width would be 'w + 4' cm. The area of the larger rectangle is given by A' = (l + 4)(w + 4).
5. The problem states that the area of the larger rectangle is increased by 12 cm^2 compared to the original rectangle. Therefore, we can set up another equation:
(l + 4)(w + 4) = 48 + 12 ----(2)
6. We now have a system of two equations (equations 1 and 2) with two unknowns (l and w). To solve this system, we can substitute equation 1 into equation 2 and simplify:
(l + 4)(w + 4) = 48 + 12
lw + 4l + 4w + 16 = 60
lw + 4l + 4w = 44
7. Using equation 1, we can substitute lw with 48:
48 + 4l + 4w = 44
4l + 4w = 44 - 48
4l + 4w = -4
Dividing both sides by 4, we get:
l + w = -1
8. Since we are dealing with dimensions, the length and width cannot be negative. Therefore, it seems there might be an error or inconsistency in the problem statement or calculation. Please verify the given information to find a solution.
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Araceli had 20 minutes to a three problem quiz, She spent 11 7/10 minutes on question A and 3 2/5 on question B, what did she get for question C
Araceli had 20 minutes for a 3-problem quiz. She spent 11 7/10 minutes on question A and 3 2/5 minutes on question B, leaving her 5 1/5 minutes for question C. Effective time management is important during tests.
Araceli had 20 minutes to complete a three-problem quiz, and she spent 11 7/10 minutes on question A and 3 2/5 minutes on question B. To find out how much time she spent on question C, we can subtract the time she spent on question A and question B from the total time of 20 minutes:
20 minutes - 11 7/10 minutes - 3 2/5 minutes = 5 1/5 minutes
Therefore, Araceli spent 5 1/5 minutes on question C.
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Does the equation y-250x=500 represent the same relationship between the distance from the start of the trail and the elevation? Explain your reasoning pls
Yes, the equation y - 250x = 500 represents the same relationship between the distance from the start of the trail and the elevation.
The given equation is y - 250x = 500.
The above equation is of the form y = mx + c, where m = slope of the line and c = y-intercept of the line.
Let us convert the given equation into the form y = mx + c, y - 250x = 500, y = 250x + 500. Now, we can see that this equation is of the form y = mx + c, where m = 250, which means that the slope of the line is 250 and the value of y-intercept is 500.
Thus, the equation y - 250x = 500 represents the relationship between the distance from the start of the trail and the elevation.
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Tess and Dan have $24. 00 each to spend at a book fair, where all students receive a 15% discount. They both want to purchase a copy of the same book, which normally sells for $24. 50 plus 10% sales tax. To check if she has enough to purchase the book, Tess takes 15% of $24. 50 and subtracts that amount from the normal price. She takes 10% of the discounted selling price and adds it back to find the purchase amount. Dan takes 85% of the normal purchase price and then computes 110% of the reduced price. Is Tess correct? Is Dan correct? Do they have enough money to purchase the book? Explain your answer using complete sentences, and show your work. HELP QUICK!!!
Tess is correct in her calculations, and they have enough money to purchase the book. The discounted price for the book is $20.83 after applying the 15% discount. Adding 10% sales tax to this amount gives a final purchase amount of $22.91. Since both Tess and Dan have $24.00 each, they have enough money to buy the book.
1. Tess correctly applies the 15% discount to the original price of $24.50, which gives a discounted price of $20.83. Then, she adds 10% of this discounted selling price back to find the final purchase amount. Calculating 10% of $20.83 gives $2.08, which when added to $20.83, results in a purchase amount of $22.91.
2. Dan's approach involves calculating 85% of the original price, which gives $20.83 (same as the discounted price Tess found). Then, he computes 110% of this reduced price to account for the 10% sales tax. Calculating 110% of $20.83 gives $22.91, which matches the final purchase amount calculated by Tess.
3. Since both Tess and Dan have $24.00 each to spend, and the purchase amount is $22.91, they have enough money to buy the book.
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What is the exact value of Tangent (StartFraction 19 pi Over 12 EndFraction)?
A. StartFraction 1 minus StartRoot 3 EndRoot Over 1 + StartRoot 3 EndRoot EndFraction
B. StartFraction 1 + StartRoot 3 EndRoot Over 1 minus StartRoot 3 EndRoot EndFraction
C. StartFraction 3 minus StartRoot 3 EndRoot Over 3 + StartRoot 3 EndRoot EndFraction
D. StartFraction 3 + StartRoot 3 EndRoot Over 3 minus StartRoot 3 EndRoot EndFraction
The exact value of tangent (19π/12) is option C: StartFraction 3 minus StartRoot 3 EndRoot Over 3 + StartRoot 3 EndRoot EndFraction.
To find the exact value of tangent (19π/12), we can use the trigonometric identity:
tangent (θ) = sin (θ) / cos (θ).
First, let's find the values of sin (19π/12) and cos (19π/12).
Using the unit circle, we can determine that sin (19π/12) = -1/2 and cos (19π/12) = -√3/2.
Now we can substitute these values into the tangent formula:
tangent (19π/12) = sin (19π/12) / cos (19π/12) = (-1/2) / (-√3/2).
Simplifying the expression by multiplying the numerator and denominator by 2/√3:
tangent (19π/12) = (-1/2) * (2/√3) / (-√3/2) = (1/√3).
To rationalize the denominator, we multiply the numerator and denominator by √3:
tangent (19π/12) = (1/√3) * (√3/√3) = √3/3.
Therefore, the exact value of tangent (19π/12) is option C: StartFraction 3 minus StartRoot 3 EndRoot Over 3 + StartRoot 3 EndRoot EndFraction.
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A certain game involves tossing 3 fair coins, and it pays 12 cents for 3 heads, 7 cents for 2 heads, and 4 cents for 1 head. Is 7 cents a fair price to pay to play this game? That is, does the 7 cents cost to play make the game fair?
The expected payout is 5.625 cents, and the cost to play the game is 7 cents, it can be concluded that paying 7 cents to play this game is not fair. The expected payout is lower than the cost, resulting in a disadvantage for the player.
In this game, tossing 3 fair coins results in different payouts for the number of heads obtained. The payouts are 12 cents for 3 heads, 7 cents for 2 heads, and 4 cents for 1 head. The question is whether paying 7 cents to play this game is fair.
To determine if the game is fair, we need to compare the expected payout with the cost to play. Let's calculate the probabilities and payouts for each outcome. There are a total of 8 possible outcomes when tossing 3 coins: HHH, HHT, HTH, THH, TTH, THT, HTT, and TTT (H denotes a head, and T denotes a tail).
The probability of getting 3 heads is 1/8, so the payout for this outcome is 12 cents. The probability of getting 2 heads is 3/8 (HHH, HHT, HTH), so the payout for this outcome is 7 cents. The probability of getting 1 head is also 3/8 (TTH, THT, HTT), resulting in a payout of 4 cents. The probability of getting 0 heads (3 tails) is 1/8, resulting in a payout of 0 cents.
Now, let's calculate the expected payout by multiplying each outcome's probability with its corresponding payout and summing them up:
Expected payout = (1/8 * 12) + (3/8 * 7) + (3/8 * 4) + (1/8 * 0) = 1.5 + 2.625 + 1.5 + 0 = 5.625 cents.
Since the expected payout is 5.625 cents, and the cost to play the game is 7 cents, it can be concluded that paying 7 cents to play this game is not fair. The expected payout is lower than the cost, resulting in a disadvantage for the player.
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How is President Reagan's word choice effective?
Check the three boxes that apply.
President Reagan's word choice is effective in various ways, which can be summarized by selecting three applicable options.
Clarity: President Reagan's word choice is effective in conveying clear and concise messages. By using simple and straightforward language, he ensured that his ideas were easily understood by a wide audience. This allowed him to connect with people from different backgrounds and effectively communicate his policies and vision.
Persuasiveness: President Reagan's word choice is effective in persuading his audience. He had a skill for using persuasive language that appealed to people's emotions and values. Through his speeches, he often employed rhetorical techniques such as vivid imagery, metaphors, and powerful phrases that resonated with his listeners. This helped him build support for his policies and gain public trust.
Inspirational: President Reagan's word choice is effective in inspiring and motivating people. He had a natural ability to use uplifting and optimistic language that instilled hope and confidence in the American people. His speeches often contained aspirational messages, emphasizing the strength and potential of the nation. By employing words that invoked a sense of pride and unity, he was able to rally support and encourage positive change.
In conclusion, President Reagan's word choice was effective in multiple ways. His clarity, persuasiveness, and ability to inspire through his language contributed to his success as a communicator and leader. These attributes allowed him to effectively convey his ideas, gain support for his policies, and leave a lasting impact on the American public.
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At a high school, students can choose between three art electives, four history electives, and five computer electives. Each student can choose two electives. What is the approximate probability that a student chooses a computer elective and an art elective? 0. 11364 0. 21212 0. 22727 0. 42424.
The approximate probability that a student chooses a computer elective and an art elective is 1 or 100%.
To determine the approximate probability that a student chooses a computer elective and an art elective, we need to consider the total number of electives available and the specific choices a student can make.
To calculate the probability, we can follow these steps:
Determine the total number of possible elective combinations: Since each student can choose two electives, we multiply the number of options for each elective category. In this case, it would be 3 art electives * 5 computer electives = 15 possible combinations.
Determine the number of favorable outcomes: We want to find the number of combinations where a student chooses one art elective and one computer elective. Since there are 3 art electives and 5 computer electives, the number of favorable outcomes is 3 art electives * 5 computer electives = 15 combinations.
Calculate the probability: To find the approximate probability, we divide the number of favorable outcomes by the total number of possible combinations. Therefore, the probability is 15/15 = 1. Therefore, the approximate probability that a student chooses a computer elective and an art elective is 1 or 100%.
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The value of a painting when purchased was represented by V. If over a three year period the painting increased in value by 33%, which expression represents the current value of the painting?
The painting has increased in value by 33% over a three-year period. To determine the current value of the painting, an expression can be utilized. The following expression represents the current value of the painting: V + 0.33V = (1 + 0.33)V = 1.33VWhere V represents the initial value of the painting.
An expression can be utilized to represent the current value of a painting that has increased in value by 33% over a three-year period. The initial value of the painting is represented by the letter V, which is included in the expression. The 33% increase is represented by 0.33 V. To determine the current value of the painting, the expression must be evaluated. The expression V + 0.33V can be simplified by combining the two terms. This results in (1 + 0.33) V. The value of 1 represents the initial value of the painting, and 0.33 represents the 33% increase in value. To determine the current value of the painting, this expression can be multiplied. Multiplying 1.33 by the initial value of the painting, which is represented by V, yields the following expression: 1.33VThis expression represents the current value of the painting, which has increased in value by 33% over a three-year period. The value of the painting is now 1.33 times its initial value. Therefore, the painting has increased in value by 33%.
The current value of the painting can be determined by using an expression. This expression includes the initial value of the painting and the 33% increase in value that has occurred over a three-year period. The expression can be simplified and multiplied to determine the current value of the painting, which is represented by 1.33 V.
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A business advertises that everything in the store is an additional 10% off the already reduced prices. Marcus picks out 2 shirts that are on a 30% off rack. If the shirts are originally priced at $28. 99 and $30. 29 and there is 6% sales tax, how much does Marcus end up paying for them? a. $39. 59 b. $37. 70 c. $37. 35 d. $35. 57.
Marcus ends up paying $37.70 for the two shirts. To calculate the final price Marcus pays for the shirts, we need to follow these steps:
Calculate the discounted price of each shirt: Since the shirts are on a 30% off rack, the discounted price of the first shirt is 0.70 * $28.99 = $20.29, and the discounted price of the second shirt is 0.70 * $30.29 = $21.20.
Calculate the total cost of the shirts before tax: The total cost of the two shirts is $20.29 + $21.20 = $41.49.Apply the additional 10% off discount: To calculate the final price after the additional discount, we need to subtract 10% from the total cost. 10% of $41.49 is 0.10 * $41.49 = $4.15. Subtracting this amount from the total cost gives us $41.49 - $4.15 = $37.34.
Add the sales tax: To calculate the final price including the 6% sales tax, we need to add 6% of $37.34 to the total cost. 6% of $37.34 is 0.06 * $37.34 = $2.24. Adding this amount to the total cost gives us $37.34 + $2.24 = $39.58.
Rounding to the nearest cent, Marcus ends up paying $39.59 for the two shirts. Therefore, the correct answer is option a. $39.59.
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the average weight of a , b and c is 45 kg if the average of a and b is 40 kg that of b and c is 43 hen the weght of b is?
Therefore, the weight of B is 31 kg.
Let's solve the problem step by step.
1.Let's assign variables to the weights of the three individuals:
Weight of A = a
Weight of B = b
Weight of C = c
2.We are given that the average weight of A, B, and C is 45 kg:
(a + b + c) / 3 = 45
3.We are also given that the average of A and B is 40 kg:
(a + b) / 2 = 40
4.Additionally, we are given that the average of B and C is 43 kg:
(b + c) / 2 = 43
5.From equation 3, we can solve for a + b:
a + b = 2 * 40
a + b = 80
6.Substituting this value into equation 1:
(80 + c) / 3 = 45
7.Solving equation 6 for c:
80 + c = 3 * 45
80 + c = 135
c = 135 - 80
c = 55
8.Substituting the value of c into equation 4:
(b + 55) / 2 = 43
9.Solving equation 8 for b:
b + 55 = 2 * 43
b + 55 = 86
b = 86 - 55
b = 31
Therefore, the weight of B is 31 kg.
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Triangle ABC has the coordinates A(8,4) B(12,4) C(16,12) if the triangle is dilated with a scale factor of 1/4 what are the new coordinates
After dilating Triangle ABC with a scale factor of 1/4, the new coordinates of A', B', and C' are A'(2,1), B'(3,1), and C'(4,3), respectively.
To dilate Triangle ABC with a scale factor of 1/4, we need to multiply the coordinates of each vertex by the scale factor.
Let's apply the scale factor to each coordinate:
A' = (8 * 1/4, 4 * 1/4)
= (2, 1)
B' = (12 * 1/4, 4 * 1/4)
= (3, 1)
C' = (16 * 1/4, 12 * 1/4)
= (4, 3)
Therefore, after dilating Triangle ABC with a scale factor of 1/4, the new coordinates of A', B', and C' are (2,1), (3,1), and (4,3) respectively. The scale factor of 1/4 shrinks the original triangle by a factor of 1/4 in both the x and y directions, resulting in a smaller triangle with the new coordinates.
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Solve the problem using a system of equations. Use substitution or Elimination.1. 14x+17y=99
This simplifies to: 42x + 51y = 297. We now have a new equation in terms of y. To solve for y, we need another equation. If you have another equation, please provide it, and we can continue solving the system of equations.
To solve the system of equations represented by 14x + 17y = 99, we can use either substitution or elimination methods. In this case, let's use the elimination method.
To use the elimination method, we need to manipulate the equations to eliminate one variable. In this case, we can eliminate the variable x by multiplying the first equation by 17 and the second equation by 14, resulting in:
(17)(14x + 17y) = (17)(99)
(14)(14x + 17y) = (14)(99)
Simplifying these equations gives us:
238x + 289y = 1683
196x + 238y = 1386
Now, we can subtract the second equation from the first equation to eliminate x:
(238x + 289y) - (196x + 238y) = 1683 - 1386
This simplifies to: 42x + 51y = 297
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the value of a polynomial is 0 when x=5 which expression must be a factor of the polynomial
If the value of a polynomial is 0 when x=5, then (x-5) must be a factor of the polynomial.
A polynomial is a mathematical expression consisting of variables (or indeterminates) and coefficients, combined using addition, subtraction, and multiplication operations.
Polynomials are widely used in mathematics and various fields such as physics, engineering, computer science, and economics. They play a crucial role in solving equations, interpolation, approximation, and modeling various phenomena. Polynomial equations are also studied extensively in algebra, and techniques like factoring, long division, synthetic division, and the quadratic formula are used to analyze and solve them.
Given that the value of a polynomial is 0 when x=5.
To find the expression which must be a factor of the polynomial we can use the factor theorem which states that:
If x-a is a factor of polynomial f(x), then f(a) = 0.So, if the value of a polynomial is 0 when x=5, then (x-5) must be a factor of the polynomial.
Hence, the required expression which must be a factor of the polynomial is (x - 5).
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Tell whether or not f(x)= pi(sin) 3x - 4x sin 2x is a sinusoid.
a.
Yes
b. No
No, the function f(x) = πsin(3x) - 4xsin(2x) is not a sinusoid. A sinusoid is a function that can be represented by a sine or cosine function with certain characteristics.
In the given function f(x) = πsin(3x) - 4xsin(2x), we can see that there are two sine terms with different frequencies, 3x and 2x. This indicates that the function does not have a constant frequency, which is a requirement for a sinusoid. Additionally, the presence of the term -4x introduces a linear term, which further deviates from the sinusoidal form.
Therefore, due to the varying frequencies and the inclusion of a linear term, the function f(x) = πsin(3x) - 4xsin(2x) does not meet the criteria to be classified as a sinusoid.
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Which mixed number is equal to 4 7/5?9 2/54 7/55 2/97 4/5
The mixed-number that is equal to 4 7/5 is 4 7/5 itself. The correct option is B) 4 7/5, using conversion into improper-fraction & vice-versa.
To convert the mixed number 4 7/5 into an improper fraction,
we will multiply the denominator by the whole number and add the numerator. 4 × 5 + 7 = 27.
Thus, 4 7/5 as an improper fraction is 27/5.
Now, we have to convert the given mixed numbers into improper fractions one by one, and then
compare it to 27/5 , is the fraction equivalent to 4 7/5.
Let's do it:
Option A:9 2/5 = 47/5
Divide 47 by 5 and we get 9 with a remainder of 2.
Thus, 9 2/5 = 47/5 which is not equal to 27/5.
Option B:4 7/5 = 27/5
As we know 4 7/5 as an improper fraction is 27/5, and it matches our answer with the given mixed number.
Option C:5 2/9 = 47/9
Divide 47 by 9 and we get 5 with a remainder of 2.
Thus, 5 2/9 = 47/9 which is not equal to 27/5.
Option D:4/5 = 0.8
Clearly, 0.8 is not equal to 27/5.
So, the mixed number that is equal to 4 7/5 is 4 7/5 itself. The correct option is B) 4 7/5.
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In a circle with radius 6.5, an angle measuring 5.5 radians intercepts an arc. Find the length of the arc to the nearest 10th.
L ≈ 35.8 ,the length of the arc to the nearest tenth is 35.8 units
The formula for calculating the length of an arc intercepted by a central angle is L=, where L is the arc's length, is the circle's radius, and is the central angle in radians. The length of the arc to the nearest tenth is 35.8 units. Given, In a circle with radius r = 6.5, an angle measuring = 5.5 radians intercepts an arc. We know that the formula for calculating the length of an arc intercepted by a central angle is L=, where L is the arc's length, is the circle's radius, and is the central angle in radians. Substituting the values in the formula, we get:
L = rL = 6.5(5.5)L = 35.75 ≈ 35.8 (to the nearest 10th)
Therefore, the length of the arc to the nearest tenth is 35.8 units.
In a circle, the length of an arc intercepted by a central angle is determined by the central angle's size and the circle's radius. This is known as the arc's length formula. L=where L is the arc length, is the radius of the circle, and is the central angle in radians. We can use this formula to find the length of an arc intercepted by a central angle in a circle. Let's consider the following illustration to understand the concept better. In a circle with a radius of 6.5, an angle of 5.5 radians intercepts an arc. We'll use the arc length formula to find the arc's length, L.L= (Length of arc formula)Substitute the given value of r and in the formula. L = 6.5 × 5.5L = 35.75The length of the arc is 35.75 units. We'll round this answer to the nearest tenth to get the final answer. L ≈ 35.8Therefore, the length of the arc to the nearest tenth is 35.8 units.
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The ratio of the side lengths of the smaller box to the side lengths of the larger box is lowest term is to
The calculted ratio of the side lengths is 2 : 3
How to determine the ratio of the side lengthsFrom the question, we have the following parameters that can be used in our computation:
Smaller box = 12 inchesLarger box = 18 inchesUsing the above as a guide, we have the following:
Ratio = Smaller box : Larger box
So, we have
Ratio = 12 inches : 18 inches
Simplify the ratio
Ratio = 2 : 3
Hence, the ratio is 2 : 3
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Question
A company is experimenting with two new boxes for packaging merchandise. Each box is a cube with the side lengths shown. (smaller box is 12 in, larger box is 18 in.)
What is the ratio of the side lengths of the smaller box to the side lengths of the larger box in lowest terms?
Say that Australia has a working population of 11,565,470 people, and that the average salary is $26,450 annually. How much tax revenue would Australia generate each year by instituting a 31. 4% income tax? a. $81,528,467,671 b. $90,224,333,274 c. $96,054,697,991 d. $209,851,983,509.
The tax revenue that Australia generate each year by instituting a income tax is $96,054,697,991. The Option C.
How much tax revenue would Australia generate each year by instituting a 31.4% income tax?
Tax revenue is the income that is collected by governments through taxation. To know the tax revenue, we will multiply the working population by the average salary and then multiply that by the tax rate.
Tax Revenue = (Working population) * (Average salary) * (Tax rate)
Tax Revenue = 11,565,470 * $26,450 * 0.314
Tax Revenue = $96,054,697,991
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Which group of three squares will form a right triangle when joined at their vertical vertices?
A right triangle is a type of triangle that has a 90° angle. Three squares in a group can be arranged to form a right triangle, but only if they meet certain criteria.
So, let's take a look at the options provided in the question.
Option A: a 3x3 square, a 2x2 square, and a 1x1 squareIf we join these squares at their vertical vertices, we will get an L shape, which doesn't form a right triangle.
So, option A is not correct.
Option B: a 4x4 square, a 3x3 square, and a 1x1 squareIf we join these squares at their vertical vertices, we will get a right triangle with the 4x4 square being the hypotenuse. Therefore, option B is the correct answer.
Option C: a 3x3 square, a 2x2 square, and a 2x2 squareIf we join these squares at their vertical vertices, we will get a shape with two sides that are equal in length and one side that is shorter. This does not form a right triangle. Therefore, option C is not correct.
To sum up, the group of three squares that will form a right triangle when joined at their vertical vertices is a 4x4 square, a 3x3 square, and a 1x1 square, which is option B.
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Garrett found the slope of the values in the table: A 2-column table with 3 rows. Column 1 is labeled Years: x with entries 4, 8, 12. Column 2 is labeled Hourly rate: y with entries 12. 00, 13. 00, 14. 0. 1. Slope = StartFraction 12 minus 8 Over 14. 00 minus 13. 00 EndFraction. 2. Slope = StartFraction 4 Over 1. 00 EndFraction. 3. Slope = 4. Is Garrett’s slope correct? If not, identify his error? Yes. Garrett found the slope correctly. No. He should have put the x values in the denominator and the y values in the numerator. No. He should have gotten a negative answer for slope because the values are decreasing. No. He should have gotten the answer StartFraction 1 Over 25 EndFraction.
No, Garrett's slope is not correct. He should have put the x values in the denominator and the y values in the numerator.
Garrett made an error in calculating the slope. The slope represents the change in the dependent variable (y) per unit change in the independent variable (x). In this case, the independent variable is "Years" (x) and the dependent variable is "Hourly rate" (y).
To calculate the slope correctly, we need to divide the change in y by the change in x. Garrett incorrectly subtracted the x values from each other and the y values from each other, resulting in an incorrect calculation.
The correct calculation would be:
Slope = (13.00 - 12.00) / (8 - 4)
= 1.00 / 4
= 0.25
Therefore, the correct slope is 0.25 or StartFraction 1 Over 4 EndFraction.
Garrett's error was that he should have put the x values (4, 8, 12) in the denominator and the y values (12.00, 13.00, 14.00) in the numerator to calculate the slope correctly.
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A store marks down the price of a necklace from $389. 85 to $314. 15. By what percent did the price decrease? Round to two decimal places. A. 13. 21% b. 15. 75% c. 19. 42% d. 24. 10%.
we find that the price decreased by 19.42%. Therefore, the answer is C. 19.42%.
To determine the percentage decrease in price, we can use the formula:Percentage decrease = ((Initial price - Final price) / Initial price) * 100.In this case, the initial price is $389.85, and the final price is $314.15. Plugging these values into the formula, we can calculate the percentage decrease:
Percentage decrease = ((389.85 - 314.15) / 389.85) * 100
Calculating the expression inside the parentheses, we have:
Percentage decrease = (75.70 / 389.85) * 100
Dividing the numerator by the denominator, we get:
Percentage decrease = 0.1942 * 100
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The average yearly temperature in New York is 56 F The Average yearly temps tire in Alaska is -11 F
The average yearly temperature in New York is 56°F, while the average yearly temperature in Alaska is -11°F. This is because New York is located in a temperate climate zone, while Alaska is located in an arctic climate zone. The temperate zone has warm summers and cool winters, while the arctic zone has long, cold winters and short, cool summers.
The average temperature in New York is higher because it is closer to the equator and therefore receives more sunlight throughout the year. In contrast, Alaska is farther from the equator and receives less sunlight, leading to colder temperatures. Additionally, Alaska is known for its large snowfall amounts, which contributes to the low average temperature. New York and Alaska are two of the most popular states in the United States of America. The average yearly temperature in New York is 56°F, while the average yearly temperature in Alaska is -11°F. This is because New York is located in a temperate climate zone, while Alaska is located in an arctic climate zone.
The temperate zone has warm summers and cool winters, while the arctic zone has long, cold winters and short, cool summers. The average temperature in New York is higher because it is closer to the equator and therefore receives more sunlight throughout the year. In contrast, Alaska is farther from the equator and receives less sunlight, leading to colder temperatures. Additionally, Alaska is known for its large snowfall amounts, which contributes to the low average temperature. The difference in temperature between these two states is significant and can be attributed to various factors such as geography, climate, latitude, and distance from the equator. These factors impact the amount of sunlight that each state receives and, in turn, affect the overall temperature. Furthermore, these factors also influence other aspects of life, such as plant growth and wildlife, making each state unique.
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After heating up in a teapot, a cup of hot water is poured at a temperature of 201^\circ201 ∘ F. The cup sits to cool in a room at a temperature of 67^\circ67 ∘ F. Newton's Law of Cooling explains that the temperature of the cup of water will decrease proportionally to the difference between the temperature of the water and the temperature of the room, as given by the formula below: T=T_a+(T_0-T_a)e^{-kt} T=T a +(T 0 −T a )e −kt T_a=T a = the temperature surrounding the object T_0=T 0 = the initial temperature of the object t=t= the time in minutes T=T= the temperature of the object after tt minutes k=k= decay constant The cup of water reaches the temperature of 190^\circ190 ∘ F after 3 minutes. Using this information, find the value of kk, to the nearest thousandth. Use the resulting equation to determine the Fahrenheit temperature of the cup of water, to the nearest degree, after 5 minutes. Enter only the final temperature into the input box.
The Fahrenheit temperature of the cup of water after 5 minutes is approximately 194°F.
According to Newton's Law of Cooling, the temperature of an object decreases proportionally to the difference between its temperature and the surrounding temperature. The formula is given as:
T = T_a + (T_0 - T_a) * e^(-kt)
In this case, T_a represents the temperature of the room (67°F), T_0 represents the initial temperature of the water (201°F), t represents time in minutes, T represents the temperature of the water at a given time, and k is the decay constant we need to find.
We know that after 3 minutes, the temperature of the water reaches 190°F. Plugging in these values into the equation:
190 = 67 + (201 - 67) * e^(-3k)
Simplifying the equation:
123 = 134 * e^(-3k)
Dividing both sides by 134:
e^(-3k) = 123/134
Taking the natural logarithm of both sides:
-3k = ln(123/134)
Dividing both sides by -3:
k ≈ ln(123/134) / -3 ≈ -0.0104
Now that we have the value of k, we can use the equation to determine the temperature of the water after 5 minutes:
T = 67 + (201 - 67) * e^(-0.0104 * 5)
Calculating the expression:
T ≈ 67 + 134 * e^(-0.052)
T ≈ 67 + 134 * 0.9492
T ≈ 67 + 127.2268
T ≈ 194.23°F
Therefore, the Fahrenheit temperature of the cup of water after 5 minutes is approximately 194°F.
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Formula Which of the following is the total number of pennies on Rows 1-4 (the first 32 squares)? 232 – 1 232 232 1.
The total number of pennies on Rows 1-4 (the first 32 squares) is 232. The content loaded formula can be used to calculate the total number of pennies on the Rows 1-4 of the first 32 squares.
formula = 2^(n-1) + 2^(n-2) + 2^(n-3) + 2^(n-4) + 2^(n-5) + ……+ 2^1 + 2^0Where n = the number of rows The first four rows of the chessboard have 2^(4-1) = 8, 2^(4-2) = 4, 2^(4-3) = 2, and 2^(4-4) = 1 pennies respectively .The total number of pennies on the first 32 squares (Rows 1-4) is calculated using the following formula; Total = 8 + 4 + 2 + 1 = 15For the first four rows (the first 32 squares), the total number of pennies is 15. Hence, the correct option is 15.
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Each morning Eric makes 50 cinnamon bagels for his customers at barneys bagels because of a recent increase in popularity of cinnamon bagels he has increase the number he backs each morning 58% how many cinnamon bagels does Eric bake each day?
Eric bakes 79 cinnamon bagels each day at Barney's Bagels, resulting from a 58% increase in the number he previously made.
Originally, Eric made 50 cinnamon bagels each morning. However, due to the increased demand and popularity of cinnamon bagels, he decided to increase his production. The increase is given as 58%, which means he is now baking 58% more bagels than before.
To calculate the new number of cinnamon bagels, we need to find 58% of 50 and add it to the original quantity.
58% of 50 can be calculated by multiplying 50 by 0.58:
58% × 50 = (58/100) × 50 = 0.58 × 50 = 29.
Now, adding the increase to the original quantity:
50 + 29 = 79.
Therefore, Eric now bakes 79 cinnamon bagels each day at Barney's Bagels, reflecting a 58% increase from his previous production.
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Explain why it makes no sense to consider the limit of a function at an isolated point of the domain of the function
When talking about a limit of a function at a particular point, it's significant to note that this means evaluating the function as the input approaches that point. It's worth noting that the point in question must be a limit point of the domain of the function for the function to have a limit.
An isolated point is one that doesn't have any other points near it in the domain of the function. Because of this, it makes no sense to consider the limit of a function at an isolated point of the domain of the function.
A limit is defined as the value that a function approaches as the input (x) approaches a certain point (c). This definition is simple enough, but it necessitates the function having values near that point in the domain. That is to say, there must be a sufficient number of points near the point c in the domain such that we can talk about the input approaching c without going out of the domain.
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What is the solution to the equation? a 5 and two-thirds = 9 a 5 and two-thirds = 9. A 5 and two-thirds 5 and two-thirds = 9 minus 5 and two-thirds. A = 3 and one-third. A 5 and two-thirds = 9. A 5 and two-thirds 5 and two-thirds = 9 5 and two-thirds. A = 14 and two-thirds. A 5 and two-thirds minus 5 and two-thirds = 9 5 and two-thirds. A = 14 and two-thirds. A 5 and two-thirds minus 5 and two-thirds = 9 minus 5 and two-thirds. A = 3 and one-third.
The solution to the equation a 5 and two-thirds = 9 is A = 3 and one-third.
To solve this equation, we can subtract 5 and two-thirds from both sides of the equation.
Starting with the equation a 5 and two-thirds = 9, we can subtract 5 and two-thirds from both sides:
a 5 and two-thirds - 5 and two-thirds = 9 - 5 and two-thirds.
Simplifying the equation, we get:
a = 9 - 5 and two-thirds.
To subtract 5 and two-thirds from 9, we need to convert both numbers to the same format. 9 can be written as 8 and two-thirds, so the equation becomes:
a = 8 and two-thirds - 5 and two-thirds.
Subtracting the fractions, we have:
a = 3 and one-third.
Therefore, the solution to the equation a 5 and two-thirds = 9 is A = 3 and one-third.
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Raymond works in an electronics store and gets a 12 percent employee discount. The original cost of a video game system is $175. What is the discounted price of the game system? $154. 00 $163. 00 $187. 00 $196. 0.
The discounted-price of the game system is $154.00, given the original-cost of a video game system is $175 and Raymond works in an electronics store and gets a 12 percent employee discount.
The discounted price, we need to find 12% of $175 which is equal to: [tex]\frac{12}{100}\times175=21[/tex]
The employee discount is $21.
We need to subtract this discount from the original cost:
175 - $21 = 154
So, the discounted price of the game system is $154.00.
Therefore, the correct option is $154.00
The discounted price of the game system is indeed $154.00.
The original cost of the game system is $175, and
Raymond receives a 12% employee discount.
We calculate 12% of $175, which is $21.
By subtracting this discount from the original cost, we get $154.00, which is the final discounted price.
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As 55 people left a fruit market they were asked if they had bought apples or bananas and clementines. the results were as follows. 29 bought apples, 34 bought bananas. 15 bought apples and bananas, 16 bought appels and clementines, 17 bought bananas and clementines, 3 bought none of these fruit.Venn diagramcalculate the value of x
To calculate the value of x in the Venn diagram, we need to consider the number of people who bought only apples, only bananas, only clementines, and combinations of these fruits.
Given the information provided, we know that 29 people bought apples, 34 people bought bananas, and 3 people bought none of these fruits. Let's denote the number of people who bought only apples as A, only bananas as B, only clementines as C, and the number of people who bought both apples and bananas as AB.
We can construct the following equations based on the information given:
A + AB + 16 = 29 (equation 1)
B + AB + 15 = 34 (equation 2)
C + AB + 17 = x (equation 3)
A + B + C + AB + 3 = 55 (equation 4)
Simplifying equations 1 and 2, we get:
A + AB = 13 (equation 5)
B + AB = 19 (equation 6)
From equations 5 and 6, we can subtract AB from both sides to find:
A = 13 - AB (equation 7)
B = 19 - AB (equation 8)
Substituting equations 7 and 8 into equation 4, we have:
(13 - AB) + (19 - AB) + C + AB + 3 = 55
Simplifying this equation, we get:
35 - AB + C = 55
Rearranging, we find:
C = 55 - 35 + AB
C = 20 + AB (equation 9)
Finally, substituting equations 7, 8, and 9 into equation 3, we have:
20 + AB + AB + 17 = x
Simplifying, we get:
2AB + 37 = x
Therefore, the value of x is 2AB + 37.
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