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3 years ago

Show a way to count from $82 to $512

Mathematics

1 answer:

gogolik [260]3 years ago

5 0

You could add two until you get to 512

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If the diameter of a circle has endpoints A (7,2) and B (-1,8), where is the center?

docker41 [41]

In the middle: x-coordinate= {7-(-1)}/2= 4 y-coordinate= (8-2)/2= 3 So centre is (4,3)

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4 years ago

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Helppppppppppppp meeeee pleaseeeeeee

Arte-miy333 [17]

Answer:

I'm pretty sure it's the first and last one

3 0

3 years ago

I'm stuck on #10 can anyone help?

Gre4nikov [31]

USe pythagorean theorem

it will be

5.6² +3.3²= c²
31.36+ 10.89 =c²
42.25=c²
√42.25= c²

6.5=c is the answer

RAte and Thanks!

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4 years ago

Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circu

Sunny_sXe [5.5K]

Answer:

0.0221 feet per minute.

Step-by-step explanation:

$\text{Volume of a cone}=\dfrac{1}{3}\pi r^2 h$

If the Base Diameter = Height of the Cone

The radius of the Cone = h/2

Therefore,

$\text{Volume of the cone}=\dfrac{\pi h}{3} (\dfrac{h}{2}) ^2 \\V=\dfrac{\pi h^3}{12}$

Rate of Change of the Volume, $\dfrac{dV}{dt}=\dfrac{3\pi h^2}{12}\dfrac{dh}{dt}$

Since gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. Therefore, the Volume of the cone is increasing at a rate of 10 cubic feet per minute.

$\dfrac{dV}{dt}=10$ ft^3/min$

We want to determine how fast is the height of the pile is increasing when the pile is 24 feet high.

We have:

$\dfrac{3\pi h^2}{12}\dfrac{dh}{dt}=10\\\\$When h=24$ feet$\\\dfrac{3\pi *24^2}{12}\dfrac{dh}{dt}=10\\144\pi \dfrac{dh}{dt}=10\\ \dfrac{dh}{dt}= \dfrac{10}{144\pi}\\ \dfrac{dh}{dt}=0.0221$ feet per minute$

When the pile is 24 feet high, the height of the pile is increasing at a rate of 0.0221 feet per minute.

4 0

3 years ago

The vertical cross-sectional shapes of this prism are all congruent triangles.

Alexus [3.1K]

The answer’s B. False

8 0

3 years ago

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