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tankabanditka [31]
3 years ago
14

Pls help me do this math homework. Thanks you

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0
80,236

a) the digit 8 is in the ten thousands place.
The value of this digit is 80,000.

b) the digit 6 is in the ones place.
The value of this digit is 6.

c) the digit in the thousands place is 0.
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Sanjay can travel 342 miles in 6 hours. At this rate, how many miles can he travel in 5 hours?
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57 miles

Step-by-step explanation:

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Question:
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Answer:

part A) The scale factor of the sides (small to large) is 1/2

part B) Te ratio of the areas (small to large) is 1/4

part C) see the explanation

Step-by-step explanation:

Part A) Determine the scale factor of the sides (small to large).

we know that

The dilation is a non rigid transformation that produce similar figures

If two figures are similar, then the ratio of its corresponding sides is proportional

so

Let

z ----> the scale factor

\frac{CB}{C'B'}=\frac{CD}{C'D'}=\frac{BD}{B'D'}

The scale factor is equal to

z=\frac{CB}{C'B'}

substitute

z=\frac{4}{8}

simplify

z=\frac{1}{2}

Part B) What is the ratio of the areas (small to large)?

<em>Area of the small triangle</em>

A=\frac{1}{2}(2)(4)=4\ units^2

<em>Area of the large triangle</em>

A=\frac{1}{2}(4)(8)=16\ units^2

ratio of the areas (small to large)

ratio=\frac{4}{16}=\frac{1}{4}

Part C) Write a generalization about the ratio of the sides and the ratio of the areas of similar figures

In similar figures the ratio of its corresponding sides is proportional and this ratio is called the scale factor

In similar figures the ratio of its areas is equal to the scale factor squared

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4(4x-2) + 1 =16x - 7. Solutions
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