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mamaluj [8]
3 years ago
14

you 494 miles from home and you are driving forward home at an average of 45 mhp. How long will it take to drive home if you mai

ntain the same speed ?, ( when you reach home, the value x is zero)
Mathematics
1 answer:
ASHA 777 [7]3 years ago
8 0
494/45= 10.978 hours
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Dilate a triangle with vertices (0,0), (0,2) and (2,0) using the scale factor k=3. What is the value of the ratio (new to origin
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Answer:

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Part b) The ratio of the areas is 9

Step-by-step explanation:

Part A) What is the value of the ratio (new to original) of the perimeters?

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

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y-----> the perimeter of the original triangle

z=\frac{x}{y}

we have

z=3

substitute

\frac{x}{y}=3

Part B) What is the value of the ratio (new to original) of the areas?

we know that

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Let

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y-----> the area of the original triangle

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we have

z=3

substitute

\frac{x}{y}=3^{2}

\frac{x}{y}=9}

3 0
3 years ago
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