Marisol is painting on a piece of canvas that has and area of 180 square inches. The length of the painting is 1 1/4 times the width. What are the dimensions of the painting?

Answers

Answer 1
Answer: Formula for the rectangle area is a * b, In this case we know that:

a * b = 180
a (width) = unknown
b (length) = 1 1/4a

We can write it down as:

a * 1 1/4 * a = 180
a² * 1 1/4 = 180                   / ÷ 1 1/4 (both sides)
a² = 144                             / square root (both sides)
a = 12

Doublecheck:

a = 12
b = 1 1/4 * 12 = 15
a * b = 12 * 15 = 180 (so it's correct)

Answer: The dimensions of the painting are 12 x 15 inches.

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Katie bought 4 sweaters that cost the same amout and 1 skirt that cost $20.the items she bought cost a total of $160 before tax was added.what was the cost of each sweater

15 POINTS!!!!
__________

Please help me answer!!!
Is this answer correct?

Answers

Answer:

The answer is wrong. The real answer would be 1.25.

Step-by-step explanation:

You take the size of the first shape, 8, and multiply it by each scale factor, 0.8, 1.25, 2.0, and 18.0, to find which would equal 10.

In this case 8 x 0.8= 6.4, 8 x 1.25= 10, 8 x 2= 16, and 8 x 18= 144. Therefore making 1.25 the correct answer because 8 x 1.25= 10, which is the size of the second shape.

The answer is correct

Morgan and Leigh spend a certain amount of money from their money box each month to buy plants. The table shows the relationship between the amount of money (y) remaining in Morgan's money box and the number of months (x):

Function 1
Number of Months
(x) Amount Remaining (in dollars)
(y)
1 50
2 40
3 30
4 20


The equation shows the relationship between the amount of money (y) remaining in Leigh's money box and the number of months (x):

Function 2:
y = −9x + 60

Which statement explains which function shows a greater rate of change?
Function 1 shows a greater rate of change, because Morgan spends $10 each month and Leigh spends $9 each month.
Function 1 shows a greater rate of change, because Morgan spends $10 each month and Leigh spends $60 each month.
Function 2 shows a greater rate of change, because Morgan spends $10 each month and Leigh spends $60 each month.
Function 2 shows a greater rate of change, because Morgan spends $50 each month and Leigh spends −$9 each month.

Answers

the change for 1st function is -10 and rate of change of 2nd function is -9. Use the slope formula to find the  answer of 1st function.

Answer:

The first one since after each x interval the y is decreasing by 10 and in the second equation after each x interval the y is decreasing by 9

The first representation is the answer: Morgan

Answer the question. 20 points
-4/13 + 5/26

Answers

Answer:

Step-by-step explanation:

(-4/13)+(5/26)

So,now take the common denominator by taking least common multiple (LCM)..

LCM=26

= {(-4/13)x26} + {(5/26)x26}

= (-8+5)/26

= -3/26

Answer:

erm

Step-by-step explanation:

-3/26

A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.More than three twos.

A.

0.433

B.

0.564

C.

0.905

D.

0.403

Answers

Answer:

Probability (P) (k successes out of n trials) = nCk * p^k * (1-p)^(n-k), where nCk = n! / (k! * (n-k)!)

for this problem n=20, p = 1/6(probability of rolling 1 two) is approximately 0.1667

P ( of getting more that 3 two's) = 1 -P(0 two's out of 20 trials) -P(1 two out of 20 trials) -P(2 two's out of 20 trials) -P(3 two's out of 20 trials)

P ( of getting more that 3 two's) = 1 -0.026 -0.104 -0.198 -0.238 = 0.434

My answer is A

Order of operations pemdas

Answers

parenthesis, exponents, multiplication, division, addition, subtraction.

(14)/(7)(5)(-3)^2 solve exponent first and then the multiplication part (7x5)

(14)/(35)(9) 14 divided by 35 is .4

(.4)(9)=3.6 .4 multiplied by 9 is 3.6 <- that's the answer for 7

remember parenthesis first so we will do 6-1 first which is 5. after parenthesis, well do exponents. 5^2 is 25.

we will finish the big parenthesis which is the brackets, and 30-25=5. now it's 5 +5=10<- that is the answer for 9. Do I need to explain more/ if not i hope this helps you better understand this.



Answer:

7. 1.

9. 10

Step-by-step explanation:

What times what equals 63

Answers

The question is asking to state the two number that when multiplied the product would be 63, base on my calculation, I would say that the answer would be 7 * 9 and 3 * 21. I hope you are satisfied with my answer and feel free to ask for more if you have questions and further clarifications 

One of such combinations is 9 x 7 = 63.

Here we have to find two numbers,

Such that,

Their product is 63.

Since we know that,

Using operations like addition, subtraction, multiplication, and division, a mathematical expression is defined as a group of numerical variables and functions.

There are following such numbers are,

63 x 1 = 63

21 x 3 = 63

9 x 7 = 63

Learn more about the mathematical expression visit:

brainly.com/question/1859113

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