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OleMash [197]
3 years ago
15

8c times c equals what

Mathematics
1 answer:
LiRa [457]3 years ago
4 0

Answer:

8c^{2}

Step-by-step explanation:

If two variables are the same when they are multiplied it becomes that variable squared.

8 x C x C

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Using the given information write the equation of parabolas:
lana [24]

The general form of the equation we need to find is (x - h)^2 = 4p(y- k).

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So, center (h, k) = (3, 3/2) .

P = distance from center to the focus and it just so happens to be 1.5.

We now plug everything into the formula given above.

(x - 3)^2 = 4(1.5)(y - 3/2)

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8 0
3 years ago
What is the value of x
Evgen [1.6K]

Answer:

12

Step-by-step explanation:

Given

with reference angle 45°

hypotenuse (h) = x

perpendicular (p) = 6√2

Now

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sin 45° = p / h

1 / √2 = 6√2 / x

Cross multiply ✖

6√2 * √2 = x

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6 0
3 years ago
Assume that the radius r of a sphere is expanding at a rate of 40 cm/min. The volume of a sphere is V = 4 3 πr3 and its surface
Scrat [10]

Answer:

The rate of change in surface area when r = 20 cm is 20,106.19 cm²/min.

Step-by-step explanation:

The area of a sphere is given by the following formula:

A = 4\pi r^{2}

In which A is the area, measured in cm², and r is the radius, measured in cm.

Assume that the radius r of a sphere is expanding at a rate of 40 cm/min.

This means that \frac{dr}{dt} = 40

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This is \frac{dA}{dt} when r = 20. So

A = 4\pi r^{2}

Applying implicit differentiation.

We have two variables, A and r, so:

\frac{dA}{dt} = 8r\pi \frac{dr}{dt}

\frac{dA}{dt} = 8*20\pi*40

\frac{dA}{dt} = 20106.19

The rate of change in surface area when r = 20 cm is 20,106.19 cm²/min.

6 0
3 years ago
There are 12,boys and 10 girls in your gym class. If 6 boys joined the class, how many girls would need to join for the ratio to
Savatey [412]
6 girls would need to join for the ratio to be the same
5 0
3 years ago
Read 2 more answers
Antonio invests 3000 at .10 interest compounded semianually for 12 years. Use the compound interest formula to calculate the com
marissa [1.9K]

Answer:

A=9675.299

Step-by-step explanation:

A=p(1+r)^t

A compound amount

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A=3000(1+0.10/2)^24

A=9675.299

8 0
3 years ago
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