Need help ASAP

Mathematics

1 answer:

BartSMP [9]2 years ago

5 0

Answer:

y = -20x + 1500

Step-by-step explanation:

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Iteru [2.4K]

You just divide them, let me know if you want the actual answers, but these are all just dividing

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2 years ago

One angle of a triangle has a measure of 66. The measure of the third angle is 57 more than 1/2 the measure of the second angle.

alexandr402 [8]

$180=66+x+(57+\frac{x}{2})$
$360=132+2x+114+x$
$360=246+3x$
$3x=114$
$x=38$

The second angle is 38deg. The third angle is 76deg.

To check: 66+38+76=180
180=180 ---> Checks TRUE.

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3 years ago

Which number below best represents a credit of $17.16?

PIT_PIT [208]

B. 17.16 represents a credit of $17.16; "credits" mean that you're receiving something, so it's added. A is incorrect because it shows the money being taken away and that isn't what a credit does. C and D aren't even the same amount of money in the question, so they aren't your answer either.

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2 years ago

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agasfer [191]

Answer:

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Step-by-step explanation:

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3 years ago

Which of the following functions gives the radius, r(v), of a conical artifact that is 20 inches tall as a function of its volum

nalin [4]

By calculus or elementary geometry, we know that the formula for the volume of a cone, given pi (the constant), its height h and its radius r is:
$V=pi*h*r^2/3$
Lets solve this relation for the radius:
$3V=pi*h*r^2
$
$\frac{3V}{pi*h} =r^2$
$\sqrt{\frac{3V}{pi*h}} = r$
Now we have found a general formula that gives us the radius of a cone, given its volume and height. We need only substitute height (20in) and pi=3.14 to get the numerical equation: r=0.2185* $\sqrt{V}$

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3 years ago