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Marysya12 [62]
2 years ago
9

Matthew's mother asked him to go to the store for her. To get to the store, he walked seven and a half city blocks. He caught th

e bus and rode 13 blocks. Then he got off and walked one and a half blocks to the store. How many total blocks did Matthew travel? *
Mathematics
1 answer:
Ratling [72]2 years ago
4 0

Answer:

matthew travel 22 blocks i think

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Solve the inequality(s)<br> 2c &gt; 2 <br> d/6 ≥ 1 <br> r + 9 ≤ 23
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Divide both sides by 2 for the first one.
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2 years ago
Please help Use the expression 8a + 16c.
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Answer:

C  89a + 2c)

Step-by-step explanation:

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3 years ago
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788.13  to the nearest hundredth.

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The areas of two similar triangles are 72dm2 and 50dm2. The sum of their perimeters is 226dm. What is the perimeter of each of t
astraxan [27]

Answer:

Hence, the perimeter of the triangles are:

P=123.2727 dm

P'=102.7272 dm

Step-by-step explanation:

In two similar triangles:

The ratio of the areas of two triangle is equal to the square of their perimeters.

Let A and A' represents the area of two triangles and P and P' represents their perimeter.

Then they are related as:

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We are given:

A=72 dm^2  , A'=50 dm^2

and P+P'=226 dm.-----------(1)

i.e. \dfrac{72}{50}=\dfrac{P^2}{P'^2}\\\\\dfrac{36}{25}=\dfrac{P^2}{P'^2}

on taking square root on both the side we get:

\dfrac{P}{P'}=\dfrac{6}{5}\\\\P=\dfrac{6}{5}P'

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\dfrac{6}{5}P'+P'=226\\\\\dfrac{6P'+5\times P'}{5}=226\\\\\dfrac{6P'+5P'}{5}=226\\\\11P'=226\times 5\\\\11P'=1130\\\\P'=\dfrac{1130}{11}=102.7272

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