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PSYCHO15rus [73]
3 years ago
15

Scott runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?

Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

5.6 miles

Step-by-step explanation:

7 / 80 = 0.0875 (How many miles per min)

0.0875 * 64 = 5.6 miles

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What number cannot be used as the denominator of a fraction? Explain why.
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A quadratic function is defined by f(x) = 3x^2 + 4x - 2. A linear function is defined by g(x) = mx-5. What values of the slope o
irakobra [83]
You need to find points where the line g(x) intercepts the quadratic function f(x) in one and only one point.

Then 3x^2 + 4x -2 = mx - 5

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3x^2 + (4 - m)x + 3 = 0

In order to there be only one solution (one intersection point) the radicand of the quadratic formula must be 0 =>

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Then m, the slope of the line, may be 4 + 2√6 and 4 - 2√6




7 0
3 years ago
What is the value of X?
Leviafan [203]

Answer:

x=20

Step-by-step explanation:

First, find LJ

Angle L = 60 (180 - 30 - 90)

The cosine of an angle is equal to the ratio of the adjacent side to the hypotenuse.

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cos(60)=LJ/40√2

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Now you can use LJ to find x. You also know the value of each angle, 45

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