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alexgriva [62]
4 years ago
11

A rectangular play area is 8 yards long. The expression 56+8x represents the area of the play area in square yards. What express

ion represents the width of the play area in yards? Draw a picture to model the problem.

Mathematics
1 answer:
VikaD [51]4 years ago
4 0

Answer:

w = 7 + x

Step-by-step explanation:

The formula for the area of a rectangle is

A = lw

56 + 8x = 8w

Divide both sides by 8

w = 7 + x

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Marie purchased a 29.00 gift. She uses a coupon that offers 30 percent. How much will she spend on the gift after the coupon?
asambeis [7]

Answer:

$20.30

Step-by-step explanation:

The usual price of the gift is $29.00

Marie will get 30% DISCOUNT on this price if she uses her coupon. So, the final price would be 30% less than $29.00

First, we need to find 30% of $29.00. Then we need to subtract that from original price (29).

Convert percentage to decimal first:

30% = 30/100 = 0.3

Now multiply this with 29 to get:

0.3 * 29 = $8.70

We subtract this from original price to get DISCOUNTED PRICE:

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6 0
4 years ago
The perimeter of a rectangle is 20 centimeters. The length is 6 centimeters.
KonstantinChe [14]
Recall the formula for area of a rectangle

A = LW

A = area of rectangle
L = length of rectangle = 6
W = width of rectangle

Also, recall the formula for Perimeter of a rectangle

P = 2L + 2W

P = perimeter of rectangle = 20

We have L=6 and P=20. Use these to solve for W in the perimeter formula.

P = 2L + 2W
20 = 2(6) + 2W
20 = 12 + 2W
8 = 2W
4 = W

Thus, L = 6 and W = 4. Use these measurements to solve for A.

A = LW = 6 * 4 = 24 in^2
5 0
3 years ago
6 in.
asambeis [7]

Answer:

152 square inches

Step-by-step Explanation:

To answer this, please look at the picture below. We can find the area by separating and combine the value of areas after calculating three values for each areas. (Notice that when we separate them, we get three rectangles which we can use the formula of width × length)

We should get 80+48+24 which add up to 152.

In case if you are confused which parts you don't understand in these photos, you can ask in the comment.

5 0
3 years ago
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