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3 years ago

A helicopter flies 240 miles in 2 hours 30 minutes.

Mathematics

2 answers:

shepuryov [24]3 years ago

8 0

96 mph

step by step explanation:
240/2.5

mylen [45]3 years ago

4 0

Answer:

96 mph is the answer

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Prime factores of 36

kotykmax [81]

Answer:

3 x 3 x 2 x 2

Step-by-step explanation:

36 = 18 * 2~

18 = 9 * 2~

9 = 3~ * 3~

The ones with ~ are the ones you use.

You just break down 36

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4 years ago

Please answer the following with Explaination

Zolol [24]

Step-by-step explanation:

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3 years ago

What is the zero for 2x2-7=4

rosijanka [135]

2x^2-7=4
subtract 4 from both sdies
2x^2-11=0
therefor
2x^2=11
divide by 2
x^2=5.5
square root both sdies
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6 0

3 years ago

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Is (0, 7) a solution to the equation y = x + 7?

Tju [1.3M]

Yes this is a solution.

3 0

3 years ago

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Find the parallel and perpendicular slope of a line if linear equation is 7y=20(x-3) Slope (Parallel) is ____ Slope (Perpendicul

yKpoI14uk [10]

Answer:

The parallel line has slope $\frac{20}{7}$

The perpendicular line has slope $-\frac{7}{20}$

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

$y = mx + b$

In which m is the slope.

Parallel lines:

Parallel lines have the same slope.

Perpendicular lines:

If two lines are perpendicular, the multiplication of their slopes is -1.

In this question:

We have the following line:

$7y = 20(x-3)$

Placing it in the general format

$7y = 20x - 60$

$y = \frac{20x}{7} - \frac{60}{7}$

So this line has slope $\frac{20}{7}$

Parallel line:

Same slope, so the parallel line has slope $\frac{20}{7}$

Perpendicular line:

Multiplication of the slopes is -1. So

$\frac{20m}{7} = -1$

$20m = -7$

$m = -\frac{7}{20}$

The perpendicular line has slope $-\frac{7}{20}$

6 0

3 years ago