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Lerok [7]
3 years ago
7

3 & 4, And tell explanation (P.S: Sorry for my sloppy handwriting)

Mathematics
1 answer:
Kazeer [188]3 years ago
5 0
3) Altitude / Time = y2 - y1 / x2 - x1 = 30 - 60 / 6 - 3
 m = -30 / 3
 m = -10

In short, constant rate of change is y = -10x

b) Constant proportionality exists between two quantities, as the amount of changing in Altitude over fixed period of time is same (constant) for every instance. 

4) Sales / Day = y2-y1 / x2-x1 = 2,000 - 1,000 / 6 - 3
m = 1000 / 3
m = 333.3

a) In short, Constant relationship is y = 333.3x

b) Constant proportionality exists between two quantities, as the amount of changing in Sales over fixed days is same (constant) for every instance. 

Hope this helps!
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inysia [295]
8 seconds

The hardest part of this is setting up the equation -- the calculations are pretty easy.

You're told that the time (needed to go from 0 to 100 MPH) is inversely proportional to the horsepower:  what this means is that as horsepower gets larger, time gets smaller. This makes sense since the more horsepower you have, the less time it will take you to get to 100 MPH

You can think of this as:

200 HP = 10 seconds
250 HP = x seconds

You set the equation up as:

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Now, just cross multiply and solve:

250 / 200 = 10 / x
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x = 2000 / 250
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So, as you increase the horsepower from 200 to 250, the time decreases from 10 seconds to 8 seconds.

Hope this helps!

Good luck.
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3 years ago
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Step-by-step explanation:

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3 years ago
What is the return on equity for a firm with 15% return on assets, 10% return on debt, and a .75 debt/equity ratio?
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<h3>Return on equity</h3>

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Let plug in the formula

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Therefore the return on equity ratio is 18.75%.

Learn more about return on equity here:

brainly.com/question/5537849

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which statements are true for all rectangles A. All sides are equal in length B. All angles are right angles C. All angles are a
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I believe the correct answer is B.  

Step-by-step explanation:

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