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kati45 [8]
3 years ago
5

1. A light rail travels at a rate of 165 miles per

Mathematics
2 answers:
tatyana61 [14]3 years ago
5 0

Hey there!

Answer: \boxed{495\text{ miles}}

Explanation:

The light rail traveled 165 miles in one hour. The question is asking how many miles would it travel in 3 hours. So the only thing you have to do is multiply 165 miles by 3 hours.

165*3=495\\

So it traveled 495 in 3 hours. So the answer to your question is:

\boxed{495\text{ miles}}

Hope this helps!

\text{-TestedHyperr}

Marianna [84]3 years ago
3 0

Answer:

495 miles

Step-by-step explanation:

If the light rail goes 165 miles per hour (mph) and if it was to travel for 3 hours you would multiply 165 mph x 3 = 495

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150

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2 years ago
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3 years ago
Find the equation of a circle with a center at (7,2) and a point on the circle at (2,5)?
monitta

Answer:

(x-7)^2+(y-2)^2=34

Step-by-step explanation:

We want to find the equation of a circle with a center at (7, 2) and a point on the circle at (2, 5).

First, recall that the equation of a circle is given by:

(x-h)^2+(y-k)^2=r^2

Where (<em>h, k</em>) is the center and <em>r</em> is the radius.

Since our center is at (7, 2), <em>h</em> = 7 and <em>k</em> = 2. Substitute:

(x-7)^2+(y-2)^2=r^2

Next, the since a point on the circle is (2, 5), <em>y</em> = 5 when <em>x</em> = 2. Substitute:

(2-7)^2+(5-2)^2=r^2

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<em />(-5)^2+(3)^2=r^2<em />

Simplify. Thus:

25+9=r^2

Finally, add:

r^2=34

We don't need to take the square root of both sides, as we will have the square it again anyways.

Therefore, our equation is:

(x-7)^2+(y-2)^2=34

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Step-by-step explanation:

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