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Tju [1.3M]
3 years ago
15

Trina lives 4.2 miles from her school.richard lives 0.75 times this distance how far from the school does Richard live

Mathematics
2 answers:
Effectus [21]3 years ago
7 0

Answer:

Step-by-step explanation:

The distance from house to school = 4.2 * 0.75

                                                           = 3.15 miles

Rashid [163]3 years ago
3 0

Answer:3.15 miles

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given

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Solving (a): The coordinates of the rest stop

The rest stop is at half way;

So, the coordinate is:

(x,y) = \frac{1}{2}(x_1+x_2,y_1+y_2)

This gives:

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(x,y) = \frac{1}{2}(10,5)

Open bracket

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Solving (b): Distance between the hotel and the stadium

We have:

(x_1,y_1) = (3,4) --- Team hotel

(x_2,y_2) = (7,1) --- Stadium

The distance (d) is:

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}

So, we have:

d = \sqrt{(3 - 7)^2 + (4 - 1)^2}

d = \sqrt{(-4)^2 + 3^2}

d = \sqrt{16 + 9}

d = \sqrt{25}

d =5

From the question, we have:

1\ unit = 6.4\ miles

So:

d =5 * 6.4\ miles

d =32\ miles

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