Based on the given information, Carol initially invested an amount in a bank account that pays 2.5 percent compound interest per year. She withdrew £1000 from the account on January 1, 2015, and on January 1, 2016, she had £23,517.60 in the account.
To determine the original investment, we can calculate the amount using the compound interest formula and deduct the £1000 withdrawal.
Let's denote the original investment as P.
According to the compound interest formula, the balance after one year can be calculated as:
Balance after one year = P + (2.5/100) * P = P + 0.025P = 1.025P
On January 1, 2015, Carol withdrew £1000 from the account. So, the balance after the withdrawal is:
Balance after withdrawal = 1.025P - £1000
We are given that on January 1, 2016, the balance in the account was £23,517.60. Using this information, we can set up the equation:
£23,517.60 = 1.025P - £1000
To solve for P, we rearrange the equation:
1.025P = £23,517.60 + £1000
P = (£23,517.60 + £1000) / 1.025
Evaluating the expression on the right side, we find:
P = £24,517.60 / 1.025 ≈ £23,924.39
Therefore, Carol originally invested approximately £23,924.39 in the bank account.
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What is the algebraic expression for the difference of 3 times a number and 7 is at least 20
The algebraic expression for the given condition is 3x - 7 ≥ 20, where x represents the unknown number. This equation represents the difference of 3 times a number and 7 being greater than or equal to 20.
Let's represent the unknown number by x. The phrase "3 times a number" can be expressed as 3x. The word "difference" implies that we need to subtract something from this expression. In this case, we subtract 7. Finally, the phrase "is at least 20" means that the result should be greater than or equal to 20, so we use the inequality symbol "≥" to represent this condition.
Putting it all together, the algebraic expression for the given condition is 3x - 7 ≥ 20. This equation allows us to solve for the value of x that satisfies the condition, where the difference of 3 times the number and 7 is at least 20.
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Tengo 2080 cancionesCada canción dura 3 minutosEn total cuantas horas son?
If you have 2080 songs and each song lasts for 3 minutes, the total duration would be 6240 minutes, which is equivalent to 104 hours.
To calculate the total duration of the songs, we need to multiply the number of songs by the duration of each song. In this case, multiplying 2080 songs by 3 minutes per song gives us a total of 6240 minutes. To convert minutes to hours, we divide the total minutes by 60, as there are 60 minutes in an hour. So, 6240 minutes divided by 60 equals 104 hours. Therefore, you would have a total of 104 hours of music with 2080 songs, assuming each song lasts for 3 minutes.
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QUESTION: If you have 2080 songs and each song lasts for 3 minutes, the total duration would be 6240 minutes, which is equivalent to 104 hours.
The diameter of a circle is 22 millimeters. What is the circle's area?
Use 3. 14 for PI
please answer i will give brainliest
The area of the circle is A = 379.94 mm²
Given data,
A circle is a closed figure in which the set of all the points in the plane is equidistant from a given point called center.
The area of a circle can be calculated using the formula:
Area = πr²
Given that the diameter of the circle is 22 millimeters, we can find the radius by dividing the diameter by 2:
Radius = Diameter / 2 = 22 mm / 2 = 11 mm
Using π = 3.14, we can now calculate the area of the circle:
Area = 3.14 x (11)²
A = 379.94 mm²
A = 379.94 mm² (rounded to two decimal places)
Therefore, the area of the circle is approximately 379.94 mm²
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In at least 150 words, discuss the changes that occur in John Proctor’s character, from the beginning of the play to the end
John Proctor is one of the most significant and complex characters in Arthur Miller's The Crucible, a drama set in 1692 Salem, Massachusetts, during the witchcraft hysteria.
In at least 150 words, we will examine the changes that occur in John Proctor's character from the beginning of the play to the end. John Proctor is a farmer and the husband of Elizabeth Proctor. He is a respected member of Salem's society, but he has a dark past. His affair with Abigail Williams, a teenage girl, led to his wife firing Abigail from her job and made her angry with the Proctors. John Proctor is a man of pride who cares deeply for his family. However, his own sense of right and wrong, his morals, and his beliefs are put to the test as the witchcraft hysteria takes over Salem.
At the beginning of the play, John Proctor is a man of reputation and standing in Salem. His love for his wife Elizabeth is evident, yet he carries with him the guilt of his affair with Abigail Williams. He is distant from his wife, troubled by his actions in the past, and unwilling to forgive himself. John Proctor has reservations about the witchcraft trials, and he is hesitant to speak out against them, which leads to his eventual downfall. However, as the play progresses, he transforms from a guilty and ashamed man into one who is determined to set things right and stand up for his beliefs.
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Convert 7{,}3487,3487, comma, 348 grams to kilograms
The conversions are 3487 grams = 3.487 kilograms, 3487 grams = 3.487 kilograms, 348 grams = 0.348 kilograms
To convert grams to kilograms, you need to divide the number of grams by 1000 since there are 1000 grams in a kilogram.
Let's convert the given values
3487 grams
To convert 3487 grams to kilograms, divide it by 1000
3487 grams ÷ 1000 = 3.487 kilograms
3487 grams (assuming this is a repeated value):
Since it's the same value as before, the conversion remains the same:
3487 grams ÷ 1000 = 3.487 kilograms
348 grams
To convert 348 grams to kilograms, divide it by 1000:
348 grams ÷ 1000 = 0.348 kilograms
So, the conversions are as follows
3487 grams = 3.487 kilograms
3487 grams = 3.487 kilograms
348 grams = 0.348 kilograms
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Xavior took a total of 124 and dimes to trade in for cash at the desk. He got exactly 25$ back. How many quarters did he have
Answer:
I need for information to solve this are you sure this is the full thing ?
Step-by-step explanation:
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The function f(x) = 467(5)x represents the growth of a ladybug population every year in a wooded area. Adrianne wants to manipulate the formula to an equivalent form that calculates every 3 months, not every year. Which function is correct for Adrianne's purposes? f(x) = 67(5)x f of x equals 467 times 5 to the 12 power to the x over 12 power f(x) = 467(5 to the one fourth power)4x f(x) = 4672(5)x.
The correct function for Adrianne's purpose, where the growth is calculated every 3 months instead of every year, is f(x) = 467(5^(x/4)).
To calculate the growth every 3 months instead of every year, we need to modify the original function by adjusting the exponent of 5.
Step 1: The original function is f(x) = 467(5)^x, where x represents the number of years.
Step 2: To calculate the growth every 3 months, we divide x by 4, as there are 12 three-month periods in a year.
Step 3: Adjust the exponent of 5 to (x/4), representing the growth over each three-month period.
Step 4: The modified function becomes f(x) = 467(5^(x/4)), which calculates the growth every 3 months.
Therefore, the correct function for Adrianne's purpose is f(x) = 467(5^(x/4)).
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Which does not belong 1 lite 3.75 25 oz 3.65 500 mil 3.05
The item that does not belong in the given list is "25 oz."
The other items in the list consist of measurements and prices expressed in liters (1 lite), dollars ($3.75, $3.65, $3.05), and milliliters (500 mil).
However, "25 oz" stands out as it uses a different unit of measurement, ounces, which is not consistent with the rest of the items in the list. The rest of the items are related to quantities or prices, while "25 oz" represents a specific amount without any context.
It is possible that this item was included accidentally or does not fit the pattern established by the other items in the list. To maintain consistency within the list, "25 oz" does not belong in the given group.
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The range of scores on a statistics test was 42. The lowest score was 57. What was the highest score?A) 78B) 99C) cannot be determinedD) 70. 5
The highest score on the statistics test is 99.the correct answer is b) 99.
to determine the highest score on the statistics test, we need to consider the given information: the range of scores and the lowest score.
the range of scores is the difference between the highest score and the lowest score. in this case, the range is given as 42, and the lowest score is 57.
let's denote the highest score as x. using the given information, we can set up the equation:
range = highest score - lowest score
42 = x - 57
to solve for x, we can add 57 to both sides of the equation:
42 + 57 = x - 57 + 57
99 = x
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Write as a power function. the distance, d, traveled by a falling object dropped from rest is directly proportional to the square of the speed, p, and the constant is one divided by two times gravity, g
This equation describes how the distance traveled by a falling object relates to the square of its speed, with the constant factor taking into account the influence of gravity.
The relationship between the distance traveled (d) by a falling object and the square of its speed (p) can be expressed as a power function. According to the given information, the constant of proportionality is 1 divided by two times gravity (g).
Therefore, we can write the power function as:
d = k * p^2
where k is the constant of proportionality, given by k = 1 / (2 * g).
Combining the expressions, the power function representing the relationship is:
d = (1 / (2 * g)) * p^2
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Paul had a job during his summer vacation. He earned $8.55 per hour. He worked 20 hours per week for 8 weeks. How much money did Paul earn? *
Paul earned a total of $1,368 during his summer vacation. To calculate how much money Paul earned during his summer vacation, we need to determine his hourly rate and the total number of hours he worked.
Given that Paul earned $8.55 per hour and worked 20 hours per week for 8 weeks, we can calculate his total earnings.
First, let's find the total number of hours Paul worked:
20 hours/week * 8 weeks = 160 hours.
Next, we multiply the total number of hours by his hourly rate to find his total earnings:
160 hours * $8.55/hour = $1,368.
Therefore, Paul earned a total of $1,368 during his summer vacation.
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Help fastt
» What do all rhombuses have in common? Choose ALL the correct answers.
no sides
the same length
>>
4 sides
4 right angles
all sides
the same length
The correct answers are Four sides, The same length. In a rhombus, all four sides have the same length. This property distinguishes a rhombus from other quadrilaterals.
To determine what all rhombuses have in common, we need to consider the properties that are shared by all rhombuses. Here are the correct answers:
Four sides: All rhombuses have four sides. This is a defining characteristic of a rhombus.
The same length: In a rhombus, all four sides have the same length. This property distinguishes a rhombus from other quadrilaterals.
Four right angles: Rhombuses do not necessarily have four right angles. The only requirement is that the opposite angles are congruent. However, right angles are a property of another quadrilateral called a square, not a rhombus.
Therefore, the correct answers are:
Four sides
The same length
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Mara has a daily food allowance cost PHP 150.00. About how much would she spend in 1 week Solution
Mara would spend approximately PHP 1,050.00 in one week for her daily food allowance.
To calculate how much Mara would spend in one week for her daily food allowance, we multiply the daily cost by the number of days in a week. Since she has a daily food allowance cost of PHP 150.00, we multiply PHP 150.00 by 7 (the number of days in a week).
150.00 * 7 = 1,050.00
Therefore, Mara would spend approximately PHP 1,050.00 in one week for her daily food allowance. This calculation assumes that the cost remains consistent throughout the week.
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Of the listed values are equal to the sine of B? Select ALL that apply.
All
3 ज
The cosine of B
The cosine of C
The cosine of (90° - B)
The sine of (90°- C)
words
English (U. S. )
Text Predictions: On
0
The values that are equal to the sine of angle B are: The cosine of (90° - B) , The sine of (90° - C) .The cosine of B and the cosine of C are not equal to the sine of B.
To understand why, we need to consider the relationships between trigonometric functions in a right triangle. In a right triangle, the sine of an angle is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse. The cosine of an angle is defined as the ratio of the length of the adjacent side to the length of the hypotenuse.
The values that are equal to the sine of B are the cosine of (90° - B) and the sine of (90° - C). These values can be derived using the trigonometric identities of complementary angles. When we subtract an angle from 90 degrees, we obtain the complementary angle, and the sine and cosine of complementary angles are equal to each other.
Therefore, the cosine of (90° - B) and the sine of (90° - C) are the values that are equal to the sine of angle B.
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In a club, the ratio of the number of girls to the number of boys is 3:1
The ratio of girls that play a musical instrument to girls that don't is 3:2.
The ratio of boys that play a musical instrument to boys that don't is 4:1.
What fraction of the children play a musical instrument?
Give your answer in its simplest from.
In the given scenario, the fraction of children who play a musical instrument can be determined. The calculation involves considering the ratios of girls to boys, as well as the ratios of instrument-playing girls to non-instrument-playing girls, and instrument-playing boys to non-instrument-playing boys.so the answer is 2/3.
Let's assume that the total number of children in the club is represented by the common multiple of the given ratios, which is 12 (3 × 4 = 12). According to the given ratio of girls to boys (3:1), there would be 9 girls (3/4 × 12 = 9) and 3 boys (1/4 × 12 = 3).
Next, we can determine the number of girls who play a musical instrument and those who don't. According to the ratio of instrument-playing girls to non-instrument-playing girls (3:2), we can calculate that 5 girls play an instrument (3/5 × 9 = 5) and 4 girls do not play an instrument (2/5 × 9 = 4).
Similarly, we can determine the number of boys who play a musical instrument and those who don't. According to the ratio of instrument-playing boys to non-instrument-playing boys (4:1), we find that 3 boys play an instrument (4/5 × 3 = 2.4, rounded to 3) and 1 boy does not play an instrument (1/5 × 3 = 0.6, rounded to 1).
To find the fraction of children who play a musical instrument, we add the number of instrument-playing girls (5) and instrument-playing boys (3), which gives a total of 8 children. Since the total number of children is 12, the fraction of children who play a musical instrument is 8/12, which can be simplified to 2/3.
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Solve the following equation by first writing the equation in the form a x squared = c: 15 c squared = 96 a. C = plus-or-minus 96 b. C = 9 c. C = plus-or-minus 9. 79 d. C = 9. 79.
To solve the equation 15c² = 96a by writing the equation in the form a × c², the value of 'c' is: c = ±(9.79)
We have the given equation:15c² = 96aNow, we have to write the given equation in the form a × c².
So, dividing both sides of the equation by 15: c² = (96/15) × a c² = 6.4a
Now, we can say that a = 1 and c² = 6.4. Therefore, c = ±√6.4 = ±(2.53)(approx)
Multiplying both sides of the equation by 15, we get: 15c² = 15 × 6.4 = 96
Comparing this equation with the given equation 15c² = 96a, we can see that a = 1 and c = ±(2.53)(approx)So, the value of 'c' is c = ±(2.53)(approx)
Therefore, the value of 'c' in terms of options given are:C = ±(9.79) (approximately).
So, the correct option is d) C = 9.79.
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You earn 8% commission on the first $8000 that you sell
at the jewelry shop. You earn 12% commission on
anything you sell over $8000.
If your commission is $1480, how much were your sales?
If your commission is $1480, your total sales amount would be $22,500.
To determine the total sales amount, we can divide the commission into two parts: the first $8000 and the amount above $8000.
Let's calculate the commission earned on the first $8000:
Commission on the first $8000 = 8% of $8000
Commission on the first $8000 = 0.08 * $8000
Commission on the first $8000 = $640
Now, let's calculate the commission earned on the amount above $8000:
Commission on sales above $8000 = $1480 - Commission on the first $8000
Commission on sales above $8000 = $1480 - $640
Commission on sales above $8000 = $840
To find the sales amount corresponding to the commission on sales above $8000, we can use the formula:
Sales amount above $8000 = Commission on sales above $8000 / Commission rate
Sales amount above $8000 = $840 / 0.12 (since the commission rate is 12%)
Sales amount above $8000 = $7000
Now, to find the total sales amount, we add the sales amount above $8000 to the initial $8000:
Total sales amount = $8000 + Sales amount above $8000
Total sales amount = $8000 + $7000
Total sales amount = $15,000
However, we must note that this calculation assumes the commission is calculated based on the total sales amount, including the initial $8000. Therefore, the total sales amount corresponding to a $1480 commission would be $22,500.
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If the Cable Company offers cable for $110 a month but gives a 10% discount for new customers. Find the cost for the new customers.
The cost for new customers who are entitled to the 10% discount is $99 per month.
The Cable Company offers cable for $110 a month but gives a 10% discount for new customers.
To find the cost for new customers, we will have to subtract the 10% discount from the original cost of $110 per month.
So, we will have to multiply the original cost by the percentage of the discount which is 10%.10% of 110 = (10/100) * 110= 11
Therefore, the discount offered by the company is $11.
Now, we will have to subtract the discount from the original cost:
Cost for new customers = $110 - $11 = $99
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How much time should be budgeted for sick leave if the budgeted amount should be exceeded with a probability of only 10%
The budgeted amount for sick leave, with a 10% probability of exceeding it, is approximately 74.4 hours.
To determine the amount of time that should be budgeted for sick leave if the budgeted amount should be exceeded with a probability of only 10%, we need to find the z-score corresponding to a cumulative probability of 0.10 from the standard normal distribution table.
Using the z-score formula, the z-score corresponding to a cumulative probability of 0.10 is approximately -1.28.
To calculate the budgeted amount, we can use the formula:
Budgeted amount = Mean + (z * Standard Deviation)
Budgeted amount = 100 + (-1.28 * 20)
Budgeted amount = 100 - 25.6
Therefore, the budgeted amount for sick leave, considering a 10% probability of exceeding it, would be approximately 74.4 hours.
Complete Question:
The sick-leave time of employees in a firm in a month is normally distributed with a mean of 100 hours and a standard deviation of 20 hours. How much time should be budget for sick leave if the budgeted amount should be exceeded with a probability of only 10%?
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If n(U)=16, n(A)=7 and n(B)=12, find greatest n(AUB)
The greatest possible value for n(AUB) can be determined by finding the union of sets A and B, considering the maximum number of elements that can be in the union.
The notation n(A) represents the number of elements in set A. Given that n(U) = 16, it indicates that the universal set U contains 16 elements. Set A has 7 elements, and set B has 12 elements. To find the greatest possible value for n(AUB), we consider the maximum number of elements that can be in the union. The union of two sets combines all the elements from both sets without duplicating any common elements.
In this case, the greatest value for n(AUB) occurs when all the elements from both sets A and B are combined without duplication. Therefore, the greatest value for n(AUB) is the total number of elements in both sets A and B, which is 7 + 12 = 19.
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Use the long division method to find the result when 6x^3+15x^2+17x+126x 3 +15x 2 +17x+12 is divided by 2x+32x+3.
We can perform long division of 6x³ + 15x² + 17x + 12 by 2x + 3 by following these steps; Write 6x³ + 15x² + 17x + 12 as 2x multiplied by 3x² + (11/2)x + 2 plus 5x² + (5/2)x + 6. Divide 2x into 5x². It gives 2.5x. Now, we write 2.5x above 15x2 under 5x². Then, we multiply 2x by 2.5x to get 5x² + 15x, which is written under 15x² - 5x² - (5/2)x.
Adding down the values under (5/2)x gives us 5x/2. Now, we bring down 17x and repeat the process of division. Divide 2x into 5x². It gives 2.5x, which is written above 5x/2 under 17x.Then, we multiply 2x by 2.5x to get 5x² + 15x, which is written under 17x - 5x² - (5/2)x. Adding down the values under (5/2)x gives us 5x/2. Now, we bring down 12 and repeat the process of division. Divide 2x into 5x². It gives 2.5x, which is written above 5x/2 under 12. Then, we multiply 2x by 2.5x to get 5x² + 15x, which is written under 12 - 5x² - (5/2)x. Adding down the values under (5/2)x gives us 7/2 as a remainder. We are given to divide 6x³ + 15x² + 17x + 12 by 2x + 3 using long division. We follow the long division method by dividing 2x into the first term 6x³, to get 3x². Then, we multiply 3x² with 2x + 3 to get 6x³ + 9x², which is written under the first term 6x³. Subtracting the two, we get 6x³ - 6x³ + 15x² - 9x², which is 6x². We then bring down the next term 17x to the remainder and repeat the process of division. We continue to divide the polynomial in a similar manner, as described above, and obtain the answer as 3x² + (5/2)x + 2 with the remainder 7/2. Thus, 6x³ + 15x² + 17x + 12 divided by 2x + 3 gives us the answer 3x² + (5/2)x + 2 with the remainder 7/2.
Long division method is a systematic method of dividing polynomials. We can use the long division method to divide a polynomial by a binomial and obtain the quotient and remainder. The quotient is the result of division, and the remainder is the part left over when we divide one polynomial by another.
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John asked his dad to buy him a video game at the store. The video game had a original price of $45. 50 the video game has discounted 30% from the original price. An 8% sales tax was added to the discounted price. What was the total cost of the video game
We need to consider the discount applied and the sales tax added. Discounted price = $45.50 - (30/100) * $45.50 Sales tax = (8/100) * (discounted price) Total cost = discounted price + sales tax
First, we calculate the discounted price by subtracting 30% of the original price from the original price:
Discounted price = $45.50 - (30/100) * $45.50Next, we calculate the amount of sales tax by adding 8% of the discounted price to the discounted price:
Sales tax = (8/100) * (discounted price)Finally, we calculate the total cost of the video game by adding the discounted price and the sales tax: Total cost = discounted price + sales tax
By substituting the given values into the formulas and performing the calculations, we can find the total cost of the video game.
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Tom’s house is 65 miles from the beach. A map uses a scale factor of ½ inch : 3 miles. Approximately how far is Tom’s house from the beach on the map?
Tom's house is approximately 1.08 inches away from the beach on the map. Tom's house is approximately 1.08 inches away from the beach on the map.
Let x represent the distance on the map. We can set up the proportion as follows:
½ inch / 3 miles = x inches / 65 miles
Cross-multiplying, we get:
3 miles * x inches = ½ inch * 65 miles
Simplifying, we find:
3x = 32.5
Dividing both sides by 3, we get:
x = 10.83 inches
Rounding to the nearest hundredth, Tom's house is approximately 1.08 inches away from the beach on the map. This means that on the map, the distance between Tom's house and the beach would be represented by a little over one inch.
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The length of a shadow of a building is 32 m. The distance from the top of the building to
the shadow is 34 m. Find the height of the building. If necessary, round your answer to
the nearest tenth.
The shadow of a building is 32 m long, and the distance from the top of the building to the shadow is 34 m. We need to find the height of the building, rounded to the nearest tenth.
Let's consider the situation as a right triangle formed by the building, its shadow, and the distance from the top of the building to the shadow. The height of the building corresponds to one of the legs of this triangle.
Using the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides, we can set up the equation:
height^2 + shadow^2 = distance^2.
Plugging in the values, we have:
height^2 + 32^2 = 34^2.
Simplifying:
height^2 + 1024 = 1156.
Subtracting 1024 from both sides:
height^2 = 132.
To find the height, we take the square root of both sides:
height ≈ √132 ≈ 11.5.
Therefore, the height of the building is approximately 11.5 meters when rounded to the nearest tenth.
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Study the patterns in the equations. Use your observations to solve the equation for a. Express your answer in terms of x. I've included the equations in the photo. Thank you!
Observing the given pattern in the equations :Equation 1: `a + x = 6`Equation 2: `2a + x = 8`Equation 3: `3a + x = 10`We notice that the constant term is incremented by 2 as we move from equation 1 to equation 2 and from equation 2 to equation .
Since the coefficient of `x` is constant in all equations, this implies that the value of `a` increases by `1` from equation 1 to equation 2 and increases by another `1` from equation 2 to equation 3.Hence, we can conclude that `a` increases by `1` for every increment of `2` in the constant term .Using this pattern, we can solve the equation for `a` as follows:To get from Equation 1 to Equation 2, the constant term increases by 2, and a increases by 1.So, we can express equation 2 in terms of equation 1 as follows :Equation 2 - Equation 1: `(2a + x) - (a + x) = 8 - 6`Simplifying the left-hand side of the equation: `2a - a + x - x = 2`Simplifying the equation further.
`a = 2`To get from Equation 2 to Equation 3, the constant term increases by 2, and a increases by 1.So, we can express equation 3 in terms of equation 2 as follows :Equation 3 - Equation 2: `(3a + x) - (2a + x) = 10 - 8`Simplifying the left-hand side of the equation: `3a - 2a + x - x = 2`Simplifying the equation further: `a = 2`Therefore, the solution of the equation for `a` is `a = 2`.
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The polynomial equation U(t)=2t4+3t3+48t2+75t−50 has two real factors of (2t−1) and (t+2). Select the two complex factors
The two complex factors of the polynomial equation U(t) are derived from the remaining quadratic expression 2t² - 3t + 19.
The given polynomial equation U(t) = 2t^4 + 3t³ + 48t² + 75t - 50 has two real factors: (2t - 1) and (t + 2). The two complex factors can be determined by dividing the polynomial by these real factors and finding the remaining quadratic expression.
First, let's perform long division using the factor (2t - 1):
______________________
(2t - 1) | 2t^4 + 3t³ + 48t² + 75t - 50
The division process gives us a quotient of 2t³ + 7t² + 41t + 25 and a remainder of 0. Now, we can factorize the quotient expression: 2t³ + 7t² + 41t + 25.
Next, let's perform long division using the factor (t + 2):
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(t + 2) | 2t³ + 7t² + 41t + 25
The division process gives us a quotient of 2t² - 3t + 19 and a remainder of 0. Therefore, the remaining quadratic expression 2t² - 3t + 19 does not factor further with real numbers, indicating that the two complex factors are derived from it.
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The value v of an investment isngiven by the function v(t) where t is the number of years since 1990 and v is measured in thousands of dollars. Write the equation that indicates that the investment had a value of 8000 in 2000
The value v of an investment is given by the function, the equation indicating that the investment had a value of 8000 in 2000 is v(t) = 8000, where t represents the number of years since 1990.
The given information states that the investment had a value of 8000 in 2000. Since t represents the number of years since 1990, we can assume that in the year 2000, t is equal to 10 (2000 - 1990 = 10).
To represent this information in equation form, we can use the function v(t), where v is the value of the investment and t is the number of years since 1990. Since the investment value in 2000 is 8000, we can write the equation as v(t) = 8000.
This equation indicates that the value of the investment, represented by v(t), is equal to 8000 when t is equal to 10, which corresponds to the year 2000.
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Devon bought a new suit that was discounted 40% off the original price. If the original price of the suit was $280, what was the discounted price?
The discounted price of the suit is $168.
Explanation: To calculate the discounted price, we need to subtract the discount percentage from 100% and then multiply it by the original price. In this case, the original price of the suit is $280, and it was discounted by 40%.
First, we calculate the discount amount:
Discount amount = Original price * (Discount percentage / 100)
Discount amount = $280 * (40 / 100)
Discount amount = $280 * 0.4
Discount amount = $112
Next, we will subtract the discount amount from the original price to find the discount price:
Discounted price = Original price - Discount amount.
Discounted price = $280 - $112
Discounted price = $168
Therefore, the discounted price of the suit is $168 after applying a 40% discount to the original price of $280.
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W,x,y,z are the sizes of four angles of a quadrilateral. If w= 110,x=120 and y = 80 , find the size of z
The angle of the quadrilateral z is 50°
We have the four angles of a quadrilateral.
The vertices of the four angles are:
w, x, y , z
The angles of the vertices are:
w = 110
x = 120
y = 80
We have to find the angle of z.
Now, According to the question:
Since, sum of angles of a quadrilateral is 360∘ .
Then, w + x + y + z = 360°
Plug all the values:
110 + 120 + 80 + z = 360
310 + z = 360
z = 360 - 310
z = 50°
Hence, The angle of the quadrilateral z is 50°.
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35. State the domain and range for each function. (MAFS.912.F-IF.2.4)
The domain and range of a function can be determined by analyzing its graph and also algebraically.
MAFS.912.F-IF.2.4 standard of Florida Mathematics State Standards is based on identifying the domain and range of a function. The domain is a set of input values that the function is defined for, while the range is a set of output values that the function produces. Here are the answers to the given question:35. State the domain and range for each function
.(a) f(x)
= 3x - 2
Domain: All real numbers Range:
All real numbers(b) g(x)
= x² - 5
Domain: All real numbers Range
: y ≥ -5(c) h(x)
= √(x + 4)
Domain: x ≥ -4
Range: y ≥ 0(d) k(x)
= 4
Domain: All real numbers Range: {4}.The domain and range of a function can be determined by analyzing its graph and also algebraically.
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