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2 years ago

7

Two acute triangles have perimeters of 20 meters and 100 meters respectively. How many times greater is the perimeter of the lar

ger triangle?

2 answers:

Alex787 [66]2 years ago

6 0

The answer is Five :).

Vaselesa [24]2 years ago

5 0

5 is your answer because 20*5=100

I hope this helped:)

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Esmerelda is five times as old as Ruth. Four years ago, the sum of their ages was 22 years. How old is each now?

Lina20 [59]

Answer:

Ruth is x+4=7/3+4, esmerelda is 5x+4=35/3+4

Step-by-step explanation:

if Ruth is x, esmerelda is 5x,

four years ago,

Ruth is x+4, esmerelda is 5x+4, depend on the sum, we get:

x+4+5x+4=22, x=7/3

so:

Ruth is x+4=7/3+4, esmerelda is 5x+4=35/3+4

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3 years ago

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

VikaD [51]

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

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3 years ago

Kyra multiplied 0.27 by a power of ten and got 2.7. What power of ten did she multiply by?

sveticcg [70]

Answer:

the answer would be A.

Step-by-step explanation:

Look for how many decimal places the decimal moved and thats how many 0's would be in your number

7 0

3 years ago

Juan starts a new coffee shop. The table shows the coffee sales at his shop for the first 5 days. What is the average rate of ch

vodomira [7]

Answer:

Average rate of change from day 2 to day 5 is $43.33/day.

Step-by-step explanation:

Sales on day 2 = 200

Sales on day 5 = 330

Rate of change = $\frac{330-200}{5-2} =\frac{130}{3}=43.33$

3 0

2 years ago

A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of

kaheart [24]

6 cups of flour is needed for a big batch of cookies that uses 9 cups of oatmeal

Step-by-step explanation:

For 3 cups of oatmeal 2 cups of flour is required.

We need to find how much flour is needed for 9 cups of oatmeal.

Solving by using Unitary Method

3 cups of oatmeal require flour = 2 cups

1 cup of oatmeal require flour = $\frac{2}{3}$

9 cups of oatmeal require flour = $\frac{2}{3}*9\\$

= $6$

So, 6 cups of flour is needed for a big batch of cookies that uses 9 cups of oatmeal

Keywords: Word Problems

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3 years ago