-24a3b3c3 - 84a4b2c factored equals -12a3b2c(2bc2 7a). True False.

Answers

Answer 1

To determine if the expression -24a^3b^3c^3 - 84a^4b^2c can be factored as -12a^3b^2c(2bc^2 + 7a), we need to check if the factorization is correct.

Factor out the greatest common factor, which is -12a^3b^2c, from both terms: -12a^3b^2c(2bc^2 + 7a).

Distribute the factor -12a^3b^2c to each term inside the parentheses: -12a^3b^2c * 2bc^2 = -24a^3b^3c^3 and -12a^3b^2c * 7a = -84a^4b^2c.

Combine the two terms to match the original expression: -24a^3b^3c^3 - 84a^4b^2c.

Since the factorization -12a^3b^2c(2bc^2 + 7a) accurately represents the original expression, the statement "True" is correct.

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Related Questions

If a manufacturing company uses a single, weight-losing raw material to manufacture its finished product, then most likely the company will:_________.


i. Choose to outsource its labor component.


ii. Locate its manufacturing plant at the raw material site.


iii. Locate several manufacturing plants close to consumers.


iv. Use a ubiquitous raw material.


v. Agglomerate close to similar factories

Answers

Option B : Locate its manufacturing plant at the raw material site.

Given,

Weight losing raw material to manufacture its finished products .

Here,

Weight loss raw materials are those which loses their weight while production  sugar, iron and steel, and aluminum that lose weight during production.

For example we can take the industries that require minerals for their production works .

Another example is of sugar industry which require weight losing raw material .

Thus the correct option will be B .

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A.


Write a recursive formula for the sequence 8, 10, 12, 14, 16,. Then find the next term.


a = a,-1 + 2, where a, 8; 18


b.


a.


+ 2, where a


18; 8


c.


a, = a -1 -2, where a, 8; 18


d. A, = a. -1


2, where a, = = 2; -2


= a. - 1

Answers

The recursive formula for the sequence is a(n) = a(n - 1) + 2 and the next term is 18

Writing a recursive formula for the sequence

From the question, we have the following parameters that can be used in our computation:

8, 10, 12, 14, 16,.

In the above sequence, we have

First term, a(1) = 8

And we have the common difference to be

d = 2

So, we have

a(n) = a(n - 1) + 2

The next term of the sequence is

Next = 16 + 2

Evaluate

Next = 18

Hence, the recursive formula for the sequence is a(n) = a(n - 1) + 2

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1) What is the formula used to


find the volume of a cylinder?


2)What is the difference


between the volumes of the


Chunky Chicken Noodle Soup


can and the Condensed


Chicken Noodle Soup can?


"Use 3. 14 for pi in all calculations


"You must show what you multiplied to find


the volumes of both cans AND the difference


between the two volumes.


"Remember to label your answers


cm

Answers

Answer:

for 1.

Step-by-step explanation:

the formula is pir2h

A mark of humility is a willingness to resolve differences. How does the Apostle Paul show humility in Acts 15:36-39 and 2 Timothy 4:11?​

Answers


The Apostle Paul demonstrates humility in Acts 15:36-39 and 2 Timothy 4:11 through his willingness to resolve differences. In these passages, Paul's actions and attitudes reflect his humility and his desire for reconciliation and unity among believers.


In Acts 15:36-39, Paul and Barnabas had a disagreement regarding taking John Mark on a missionary journey. Barnabas wanted to bring John Mark along, but Paul did not because John Mark had previously left them on a previous journey. Despite the disagreement, Paul shows humility by accepting Barnabas' decision and allowing him to take John Mark as his companion, while Paul chooses Silas as his own companion. This act demonstrates Paul's willingness to prioritize unity and reconciliation over personal preferences.

In 2 Timothy 4:11, Paul shows humility by reconciling with John Mark. He requests Timothy to bring Mark with him because Paul considers Mark to be helpful in his ministry. This shows a change in Paul's attitude towards Mark, indicating that he was willing to put aside any past differences and extend forgiveness and acceptance. Paul's willingness to reconcile and work alongside Mark reveals his humility and his understanding of the importance of resolving differences for the sake of the Gospel and the unity of believers.

Overall, both passages highlight Paul's humility through his willingness to resolve differences and prioritize unity, showcasing his desire for reconciliation and harmony among fellow believers.

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John flipped a coin 9 times and recorded 5 heads. What is the ratio of heads to tails John recorded?

Answers

John recorded 5 heads and flipped a coin 9 times. The ratio of heads to tails recorded by John is 5:4.

John flipped a coin 9 times and recorded 5 heads. To determine the ratio of heads to tails, we need to compare the number of heads to the number of tails. Since John recorded 5 heads, the remaining flips would be tails.

Therefore, the number of tails recorded would be 9 - 5 = 4. The ratio of heads to tails recorded by John is thus 5:4, which means for every 5 heads, there were 4 tails. This ratio represents the relative frequency of heads and tails in John's coin flips.

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There are 640 acres in a square mile, and 5280 feet in 1. 00 mile. What is the length in feet (to the nearest foot) of the side of a square having an area of 1. 00 acre?

Answers

The side lengt of the square is approximately 1839 feet.

How to find the side length?

To find the length in feet of the side of a square with an area of 1.00 acre, we need to convert the acreage to square feet.

Given:

1 acre = 640 acres/mile² (640 acres in a square mile)

1 mile = 5280 feet (conversion factor from miles to feet)

To convert acres to square feet, we can multiply by the conversion factor:

1 acre = 640 acres/mile² * 1 mile² * 5280 feet

Simplifying the units:

1 acre = 640 * 5280 square feet

Now, to find the length of the side of the square, we can take the square root of the area:

Side length = √(1 acre * 640 * 5280 square feet)

Calculating:

Side length ≈ √(1 * 640 * 5280) ≈ √3379200 ≈ 1839.29 feet

Rounding to the nearest foot, the length of the side of the square with an area of 1.00 acre is approximately 1839 feet.

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Calvin wants to sell a basic badminton kit to his friends. In that kit, he puts two rackets worth ₹140₹140₹, 140 each and a shuttlecock worth ₹80₹80₹, 80. He wants to have a profit of 25\%25%25, percent?

Answers

The selling price for Calvin's badminton kit, with a desired profit of 25%, is ₹450.

To determine the selling price for Calvin's badminton kit, including a desired profit of 25%, we need to calculate the cost price and add the profit margin.

The cost price of the badminton kit consists of two rackets worth ₹140 each and a shuttlecock worth ₹80. Let's calculate the total cost price:

Cost Price = (2 * ₹140) + ₹80 = ₹280 + ₹80 = ₹360

To find the selling price with a 25% profit margin, we need to add 25% of the cost price to the cost price:

Profit = 25% of ₹360 = (25/100) * ₹360 = ₹90

Selling Price = Cost Price + Profit = ₹360 + ₹90 = ₹450

Therefore, the selling price for Calvin's badminton kit, with a desired profit of 25%, is ₹450.

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For the circle: (x+3)^2 + (y-4)^2 = 100, find the length of the diameter

Answers

The length of the diameter of the circle in this problem is given as follows:

20 units.

What is the equation of a circle?

The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:

[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]

The equation for this problem is given as follows:

(x + 3)² + (y - 4)² = 100.

Hence the measure of the radius is given as follows:

r = 10 units.

The diameter has a measure which is twice the radius, hence:

d = 2 x 10

d = 20 units.

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Cindy has scores of 72, 82, 83 and 89 on her Biology tests. The Final Exam counts as two tests and she will receive a C in the course if her average is from 77-84. What score must she receive on her Final Exam to earn a C in Biology?

Answers

Cindy has scores of 72, 82, 83 and 89 on her Biology tests. Cindy must score between 68 and 89 on her final exam to earn a C in Biology.

Cindy's current average score in Biology is:

(72 + 82 + 83 + 89) / 4 = 81.5

Since the final exam counts as two tests, we can calculate the total number of points Cindy can earn in the course as follows:

Total points = 4 tests + 2 tests = 6 tests

To earn a C in the course, her average score must be between 77 and 84. Let's assume she needs to score x on her final exam to achieve a C. Then her total points would be:

Total points = 72 + 82 + 83 + 89 + x + x

Simplifying this equation, we get:

Total points = 326 + 2x

To earn a C, Cindy's average score must be between 77 and 84. Therefore, we can set up an inequality:

77 <= (326 + 2x) / 6 <= 84

Multiplying both sides by 6, we get:

462 <= 326 + 2x <= 504

Subtracting 326 from all sides, we get:

136 <= 2x <= 178

Dividing by 2, we get:

68 <= x <= 89

Therefore, Cindy must score between 68 and 89 on her final exam to earn a C in Biology.

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Quadrilateral ABCD is congruent to quadrilateral


AMCG. Determine mZDAB.


12 cm


M


28


620


C


А


B


13 су


10 cm


16 cm


810


D

Answers

To determine the measure of angle DAB, we need to use the congruence of quadrilaterals ABCD and AMCG.

Quadrilateral ABCD is congruent to quadrilateral AMCG.

Since the two quadrilaterals are congruent, their corresponding angles are equal. Therefore, we can write:

m∠DAB = m∠MAC

However, the measure of angle MAC is not given in the given information. Therefore, without additional information, we cannot determine the exact measure of angle DAB.

The options provided in the question do not correspond to the measure of angle DAB. Therefore, the correct answer cannot be determined based on the given information.

It is important to have additional information about the measures of angles or the side lengths in order to determine the measure of angle DAB accurately.

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Factor completely 10x2 2x − 8. 2(5x − 1)(x 4) 2(5x − 4)(x 1) 2(5x 2)(x − 2) 2(5x − 2)(x 2).

Answers

This means that the expression 10x² + 2x - 8  completely factored as 2(5x - 2)(x + 2).

The correct factored form of the expression 10x² + 2x - 8 is:

2(5x - 2)(x + 2).

To factor the quadratic expression completely for common factors first that the coefficient 2 is a common factor in all three terms. After factoring out 2, left with (5x² + x - 4).

An factor the trinomial (5x² + x - 4). However, this trinomial cannot be factored further using integer coefficients.

So, the factored form of the expression is 2(5x - 2)(x + 2).

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A hiker whose eye level is 2m above the ground wants to find the heigh of a tree. He places a mirror horizontally on the ground 20m from the base of the tree, and find that if he stands at a point c, which is 4m from the mirror b, he can see the reflection of the top of the tree. How tall is the tree

Answers

The height of the tree is 12 meters.

To solve this problem, we can use similar triangles.

Let's denote the height of the tree as 'h'.

We have a right triangle formed by the hiker's line of sight, the mirror, and the reflected image of the top of the tree.

The vertical leg of this triangle is 'h', and the horizontal leg is the sum of the distance between the mirror and the base of the tree (20m) and the distance between the mirror and the hiker (4m).

So the horizontal leg is 20m + 4m = 24m.

Now, we can set up the proportion between the similar triangles:

(hiker's eye level)/(horizontal leg) = (reflected image height)/(vertical leg)

Plugging in the given values:

2 / 24 = 1 / h

Cross-multiplying:

2h = 24

Dividing both sides by 2:

h = 24 / 2

h = 12

Therefore, the height of the tree is 12 meters.

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Sammy has $43.75 for her visit to the zoo she must pay $9.25 for admission and wants to feed as many animals as she can food for the animals cost $2.75 each what is an inequality that right what inequality represents the largest number of food that say we can buy

Answers

The inequality that represents the largest number of food Sammy can buy, given her budget, is 2.75x ≤ 43.75 - 9.25, where x represents the number of food items she can purchase.

To find the inequality representing the largest number of food items Sammy can buy, we need to consider her budget and the cost of admission and food. Let x be the number of food items she can purchase.

The cost of admission is $9.25, which needs to be subtracted from her total budget. The remaining amount can be used to purchase food. Each food item costs $2.75.

Therefore, the inequality can be written as 2.75x ≤ 43.75 - 9.25, where the left side represents the cost of the food (2.75x), and the right side represents the remaining budget after deducting the admission fee (43.75 - 9.25).

By solving this inequality, Sammy can determine the largest number of food items (represented by x) that she can afford to buy within her budget.

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Convert. If necessary, round to the nearest tenth.


(Recall: 1 gal. = 3.79 L.)


Igal. x 20 L.


a. 10.5


b. 5.8


C.


10.1


d.


5.3

Answers

Therefore, the answer rounding to the nearest tenth is d. 5.3.

To convert 1 gallon to liters, we multiply by the conversion factor of 3.79 L/gal.

1 gal. * 3.79 L/gal = 3.79 L

Now, to find the equivalent of 20 liters, we can set up a proportion:

1 gal / 3.79 L = x gal / 20 L

Cross-multiplying and solving for x, we get:

x = (1 gal / 3.79 L) * 20 L = 20 / 3.79 gal

Rounding to the nearest tenth, we have:

x ≈ 5.3

Therefore, the answer is d. 5.3.

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A manufacturing company has determined that the daily revenue R(n) in thousands of dollars is given by the formula R(n) =12n - 0.6n where n represents the number of palettes of product sold (0

sold in a day if the revenue was 45 thousand dollars.




To make $45.000 they would have to sell either __________palettes or


_______palettes. (Put the smaller of the two numbers in the first box!)

Answers

A manufacturing company has determined that the daily revenue R(n) in thousands of dollars is given by the formula R(n) = 12n - 0.6n where n represents the number of palettes of product sold (0 < n < 500).

If the company wishes to make a revenue of 45 thousand dollars, we are supposed to find the number of palettes of product sold .Solution :Let us substitute the value of R(n) = 45 in the given equation and solve for n45 = 12n - 0.6n45 = 11.4n, n = 3.9474Hence, the manufacturing company has to sell either 3 or 4 palettes of product to make $45.000.

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4) Emily can walk 3/4 of a mile in 1/4 of an hour. At


this same rate, how long does it take Emily to walk 1


mile?


A.1/2 of an hour



B. 2/5 of an hour



C. 1/3 of an hour



D. 2/3 of an hour

Answers

Emily can walk 3/4 of a mile in 1/4 of an hour. At the same rate, time taken to walk 1 mile =1/3 of an hour.

Mathematical representation

We know that, Emily can walk 3/4 of a mile in 1/4 of an hour.

Meaning,

Time taken to walk 3/4 of a mile = 1/4 of an hour

Distance covered = 3/4 mile

We need to find the time taken by Emily to walk 1 mile.

The rate is defined as the distance covered in unit time. So,

                        Rate = Distance / Time

We know that Rate of Emily = 3/4 ÷ 1/4

                                              = 3/4 × 4/1

                                              = 3 miles/hour

The rate of walking is 3 miles/hour.

Now we can find the time taken to walk 1 mile using rate formula.

             Distance = Rate × Time

We have to walk 1 mile and the rate of walking is 3 miles/hour.

             Time = Distance / Rate

Time taken to walk 1 mile = 1 / 3 = 1/3 hour.

So, the answer is option C.

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Santos takes the train into the city five days a week for work. For one work week he kept track of how many minutes the train ride was : 48,51,48,48,50


Calculate the mean median range in the range of the train ride times for the week

Answers

The mean train ride time for the week was 49.4 minutes, with a median of 48 minutes. The range of the train ride times was 3 minutes.

The mean, median, and range of Santos' train ride times for the week were as follows:

Mean: 49.4 minutes

The mean is calculated by adding up all the values and dividing the sum by the total number of values. In this case, the sum of the train ride times (48 + 51 + 48 + 48 + 50) is 245 minutes. Dividing this sum by the total number of days (5), we get the mean of 49.4 minutes.

Median: 48 minutes

The median is the middle value in a sorted list of numbers. To find the median, we arrange the train ride times in ascending order: 48, 48, 48, 50, 51. Since there is an odd number of values, the middle value is the median. In this case, the median is 48 minutes.

Range: 3 minutes

The range is the difference between the largest and smallest values in a set. To calculate the range, we subtract the smallest value (48 minutes) from the largest value (51 minutes). In this case, the range of the train ride times for the week is 3 minutes.

In summary, the mean train ride time for the week was 49.4 minutes, with a median of 48 minutes. The range of the train ride times was 3 minutes. These metrics provide insights into the average, central tendency, and variability of Santos' train rides throughout the week.

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Find the perimeter and the area of a rectangle with the sides4 7/20 m and 6 2/3m.

Answers

The perimeter of the rectangle is 22 7/15 meters, and the area is 29 1/10 square meters.

To find the perimeter of a rectangle, we add the lengths of all four sides. In this case, the length of one side is 4 7/20 meters and the length of the adjacent side is 6 2/3 meters. To add these mixed numbers, we convert them to improper fractions. The first side becomes 87/20 meters and the second side becomes 20/3 meters. Adding the two lengths gives us a total of (87/20 + 20/3) meters. To add fractions with different denominators, we need to find a common denominator. The least common multiple of 20 and 3 is 60. Converting both fractions to have a denominator of 60, we get (261/60 + 400/60) meters, which simplifies to 661/60 meters. Finally, we can convert this improper fraction back to a mixed number, which is 11 1/60 meters. Since the perimeter of a rectangle is the sum of all four sides, the perimeter of this rectangle is 2 times 11 1/60 meters, which equals 22 2/60 meters or 22 7/15 meters.

To find the area of a rectangle, we multiply the length by the width. In this case, the length is 4 7/20 meters and the width is 6 2/3 meters. Converting both mixed numbers to improper fractions, we get a length of 87/20 meters and a width of 20/3 meters. Multiplying these two fractions gives us (87/20 * 20/3) square meters. Simplifying the fractions, we get (1740/60) square meters, which further simplifies to 29 square meters. Therefore, the area of this rectangle is 29 square meters.

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Which fractions are equivalent?


26 and 12


14 and 36


26 and 14


12 and 24

Answers

To find which fractions are equivalent, we need to simplify each fraction. the fractions that are equivalent are 12/24 and 1/2.

The fractions 26/12 and 14/36 cannot be simplified since both already are in their simplest form. Hence 26/12 and 14/36 are not equivalent.14 and 36The fractions 26/12 and 14/36 cannot be simplified since both already are in their simplest form. Hence 26/12 and 14/36 are not equivalent.26 and 14The fractions 26/12 and 14/36 cannot be simplified since both already are in their simplest form.

Two fractions are equivalent if they represent the same part of a whole. To find which fractions are equivalent, we can simplify each fraction by dividing the numerator and denominator by their greatest common factor. The simplified fractions will represent the same part of a whole as the original fraction and will be equivalent fractions.

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What INVERSE OPERATION is used to solve the equationx/7=5?

Answers

The inverse operation used to solve the equation x/7 = 5 is multiplication

Inverse operations are mathematical operations that reverse or undo each other. To isolate the variable, inverse operations are used. For example, addition and subtraction are inverse operations, as are multiplication and division.

In an equation, inverse operations can be used to solve for a variable. In order to solve the equation x/7 = 5, we will use inverse operations.The inverse operation of division is multiplication. So, we can isolate x by multiplying both sides of the equation by 7.x/7 = 5Multiplying both sides by 7 gives:x = 7 × 5x = 35Therefore, x = 35 is the solution to the equation.

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What are the new diminsions of a 4x6 photo enlarged 2:3

Answers

Answer:

Step-by-step explanation:

To enlarge a 4x6 photo with a ratio of 2:3, we can multiply the dimensions of the photo by the enlargement ratio to find the new dimensions.

Original photo dimensions: 4 inches x 6 inches

Enlargement ratio: 2:3

To find the new dimensions, we can multiply the original dimensions by the enlargement ratio:

New width = 4 inches x 2 = 8 inches

New height = 6 inches x 3 = 18 inches

Therefore, the new dimensions of the enlarged photo would be 8 inches x 18 inches.

Brandon is running errands for his mother. It is 1 4 mile from his house to the library and 2 3 mile from the library to the grocery store. Brandon claims that he walks a total of 11 12 mile if he goes from his house to the library to the grocery store. Which of the following shows whether Brandon is correct and why? A. Yes; the correct distance is 11 12 mile, because 1 4 2 3 = 3 12 8 12 = 11 12. B. No; the correct distance is 10 12 mile, because 1 4 2 3 = 4 12 6 12 = 10 12. C. No; the correct distance is 1 mile, because 1 4 2 3 = 4 12 8 12 = 12 12 = 1. D. No; the correct distance is 1 1 12 miles, because 1 4 2 3 = 4 12 9 12 = 13 12 = 1 1 12.

Answers

The correct answer is D. No; the correct distance is 1 1/12 miles, because 1/4 + 2/3 = 4/12 + 8/12 = 12/12 = 1 1/12.

To solve this problem, we first need to convert the mixed numbers to fractions. 1 4 = 4 12 and 2 3 = 8 12. Then, we can add the fractions together. 4 12 + 8 12 = 12 12 = 1 1 12.

Therefore, Brandon is incorrect. He walks a total of 1 1/12 miles, not 11 1/2 miles.

Give the equations of the asymptotic of f(x),g(x) and h(x)

Answers

The equation of the asymptote for function f(x) is y = 0.

The equation of the asymptote for function g(x) is x = a, where a is a constant.

The equation of the asymptote for function h(x) is y = mx + b, where m and b are constants.

For function f(x), the asymptote is y = 0 since the function approaches zero as x approaches positive or negative infinity.

For function g(x), the asymptote is a vertical line at x = a. This occurs when the function approaches a specific x-value but does not cross it.

For function h(x), the asymptote is a straight line represented by y = mx + b. This occurs when the function approaches a linear relationship as x approaches positive or negative infinity. The values of m and b depend on the slope and y-intercept of the asymptote, respectively.

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A bobsled team is practicing runs on a track. Their first run takes 4.85 minutes. On each of the next two run the team theme changes by -5 1/2% compared the previous time

Answers

The team's time on their final run, given the decrease in speed, would be 4. 33 minutes

How to find the minutes ?

On the next run, the time that the bobsled team would take is :

= 4. 85 - ( 4. 85 x 5. 5 % )

= 4. 85 - 0.26675

= 4. 58325 minutes

The run after that would see a time of :

= 4. 58325 - ( 4. 58325 x 5. 5 %)

= 4. 58325 - 0.25207875

= 4. 33 minutes

In conclusion, the  team's time on their final run, would be 4. 33 minutes.

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.

The question is:

What was the team's time on their final run?

Ms. Seema’s annual salary is Rs 288000. Her annual savings is Rs 72000. The ratio of her annual spending to her annual saving is ____________ *

1 : 3

2 : 3

3 : 1

None of these

Answers

We have to find the ratio of Ms Seema's annual spending to her annual savings given that Ms. Seema's annual salary is Rs 288000 and her annual savings is Rs 72000.

The first step is to determine the annual spending of Ms. Seema.Subtracting the annual savings of Ms. Seema from her annual salary, we can determine her annual spending. Annual spending = Rs 288000 - Rs 72000 = Rs 216000We now know that Ms. Seema's annual spending is Rs 216000 per year and her annual savings is Rs 72000 per year.

We can now compute the ratio of her annual spending to her annual savings. Annual spending : Annual savings= 216000 : 72000= 3 : 1Therefore, the ratio of Ms. Seema's annual spending to her annual savings is 3 : 1. It implies that her annual spending is three times the annual savings.In conclusion, the ratio of Ms. Seema's annual spending to her annual savings is 3 : 1.

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the line on the graph passes through points (0,6) and (3,0).a - what is the gradient of the line?b - what the gradient of the line perpendicular to this line?c - what is the equation for the line that passes through a and is perpendicular to ab?

Answers

a) The gradient of the line passing through the points (0,6) and (3,0) is -2. b) The gradient of the line perpendicular to this line is 1/2. c) The equation for the line passing through point a and perpendicular to the line ab can be determined using the point-slope form of a linear equation.

a) To find the gradient (slope) of the line passing through (0,6) and (3,0), we use the formula: gradient = (change in y) / (change in x). Substituting the coordinates, we get (-6) / (3-0) = -2.

b) The gradient of a line perpendicular to another line is the negative reciprocal of the original gradient. Therefore, the gradient of the line perpendicular to the given line is 1/2.

c) To find the equation of the line passing through point a and perpendicular to line ab, we can use the point-slope form of a linear equation: y - y1 = m(x - x1), where (x1, y1) is point a and m is the gradient of the perpendicular line. Substituting the values, we get y - 6 = (1/2)(x - 0), which simplifies to y = (1/2)x + 6.

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Mrs. rodriguez is selling popcorn at the snack stand. Each bag holds 2.3 ounces of popcorn. in one hour, she sold 56 bags of popcorn. How may ounces of pop corn are in 56?

Answers

Mrs. Rodriguez sold 128.8 ounces of popcorn.We know that each bag of popcorn weighs 2.3 ounces. Therefore, to find out the total amount of popcorn Mrs. Rodriguez sold in 56 bags, we need to multiply 2.3 by 56. That is;2.3 × 56 = 128.8Therefore, there are 128.8 ounces of popcorn in 56 bags

We are given that Mrs. Rodriguez is selling popcorn at the snack stand. Each bag holds 2.3 ounces of popcorn. In one hour, she sold 56 bags of popcorn. Our task is to find out how many ounces of popcorn are in 56 bags.In order to find out how many ounces of popcorn are in 56 bags, we need to first find out the weight of one bag of popcorn. We are told that each bag holds 2.3 ounces of popcorn. So, we have:

Weight of one bag of popcorn = 2.3 ounces Now, we can use this information to calculate the total weight of popcorn Mrs. Rodriguez sold in 56 bags. To do this, we need to multiply the weight of one bag of popcorn (2.3 ounces) by the number of bags she sold (56). That is;Weight of 56 bags of popcorn = 2.3 × 56= 128.8Therefore, Mrs. Rodriguez sold 128.8 ounces of popcorn in one hour.

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Maija is building a square sandbox with sides 2 feet long. She wants to put sand 1.55 feet deep in the box. How much sand should Maija order?

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To calculate the amount of sand Maija should order, we need to find the volume of the sandbox. The sandbox is in the shape of a cube, so its volume is determined by multiplying the length, width, and height.

Given that the sides of the square sandbox are 2 feet long and the desired depth of the sand is 1.55 feet, we can calculate the volume as follows:

[tex]\[ \text{Volume} = \text{Length} \times \text{Width} \times \text{Height} \][/tex]

Since all sides of the sandbox are equal in length (2 feet), the formula simplifies to:

[tex]\[ \text{Volume} = \text{Side}^3 \][/tex]

Substituting the values:

[tex]\[ \text{Volume} = 2 \, \text{ft} \times 2 \, \text{ft} \times 1.55 \, \text{ft} \][/tex]

[tex]\[ \text{Volume} = 6.2 \, \text{cubic feet} \][/tex]

Therefore, Maija should order 6.2 cubic feet of sand for her sandbox.

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Suppose a chemist combines a 25% acid solution and a 50% acid solution to make 40 L of 45% acid solution. How many liters of each solution did she use? Use the blanks below to fill in your numerical answers.



__________ L of 50% solution; __________ L of 25% solution

Answers

To create a 40 L solution with a 45% acid concentration, a chemist combines a 25% acid solution and a 50% acid solution. Therefore, the chemist used 32 L of the 50% acid solution and (40 - 32) = 8 L of the 25% acid solution to create the 40 L solution with a 45% acid concentration.

Let's assume the chemist uses "x" liters of the 50% acid solution. Since the total volume of the mixture is 40 L, the remaining volume will be (40 - x) liters of the 25% acid solution.

The acid content in the 50% solution is 0.5x, while the acid content in the 25% solution is 0.25(40 - x).

To find the acid content in the final 45% solution, we multiply the acid concentration (0.45) by the total volume (40):

0.45 * 40 = 0.5x + 0.25(40 - x)

Simplifying the equation:

18 = 0.5x + 10 - 0.25x

Combining like terms:

0.25x = 8

Dividing both sides by 0.25:

x = 32

Therefore, the chemist used 32 L of the 50% acid solution and (40 - 32) = 8 L of the 25% acid solution to create the 40 L solution with a 45% acid concentration.

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PLEASE SOMEONE HELP I NEED IT URGENTLY

Answers

The missing side lengths are x = 4 and y = 4.The correct answer choice is D) x = 4, y = 4.

To find the missing side lengths in a triangle, we can use trigonometric ratios. In this case, we are given the length of one side (8) and the measure of one angle (30 degrees), and we need to find the lengths of the other two sides (x and y).

In a right triangle, the trigonometric ratios can be used to relate the angles and side lengths. In this case, we are not given that the triangle is a right triangle, so we will assume it is not.

The sine ratio relates the ratio of the length of the side opposite an angle to the length of the hypotenuse. In this case, the side opposite the 30-degree angle is y, and the hypotenuse is 8. So we can write:

sin(30 degrees) = y/8

Using the known value of sin(30 degrees) = 1/2, we can solve for y:

1/2 = y/8

Cross-multiplying, we get:

y = 4

So we have found the length of side y to be 4.

To find the length of side x, we can use the law of sines. The law of sines states that the ratio of the length of a side to the sine of its opposite angle is constant for all sides and angles in a triangle.

Using the law of sines, we can write:

sin(30 degrees)/x = sin(angle opposite x)/8

Since we know the sine of 30 degrees is 1/2, we can rewrite the equation as:

(1/2)/x = sin(angle opposite x)/8

Since the angle opposite x is 180 degrees - 30 degrees = 150 degrees, we have:

(1/2)/x = sin(150 degrees)/8

Using the known value of sin(150 degrees) = 1/2, we can solve for x:

(1/2)/x = 1/2/8

Cross-multiplying, we get:

x = 4

So we have found the length of side x to be 4.

Therefore, the missing side lengths are x = 4 and y = 4.

The correct answer choice is D) x = 4, y = 4.

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