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poizon [28]
4 years ago
12

A road is 2/5 of a mile long. A crew needs to repave 4/5 of it. How long is the section that needs to be repaved?

Mathematics
1 answer:
yanalaym [24]4 years ago
6 0

the answer is 2/20 or simplified 1/10

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The diagram represents a reduction of a triangle by using a scale factor of 0.8.
Alekssandra [29.7K]

Answer:

4.8 inches

Step-by-step explanation:

<em>See comment for complete question</em>

Represent the larger triangle with 1 and the smaller with 2.

So, we have:

H_1 =6\ in -- height of 1

Required

Determine H2 --- Height of 2

To do this we apply dilation formula.

Original * Scale\ Factor = New

In this case:

H_1 * Scale\ Factor = H_2

Substitute 6 for H1 and 0.8 for Scale Factor

6* 0.8 = H_2

4.8= H_2

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3 0
3 years ago
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Answer:

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Step-by-step explanation:

The Pythagorean theorem tells you ...

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5 0
3 years ago
Work out the value of 22 - 2y when
stealth61 [152]

Answer:

2

Step-by-step explanation:

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6 0
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The area of a triangle is 3.6 cm2. If the triangle has a base of 6 cm, what is the height?
hodyreva [135]

B. \: 1.2 \: cm

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4 years ago
The length of a rectangle is increasing at a rate of 6 cm/s and its width is increasing at a rate of 3 cm/s. when the length is
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The rate of increase is found by differentiating with resepect to time. The product rule comes into play here.

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... = 51 cm²/s . . . . rate of area increase

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