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bearhunter [10]
3 years ago
6

846 x (84) what is it?

Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:

The answer is 71064

Step-by-step explanation:

Vikentia [17]3 years ago
3 0
If it’s simple multiplication, the answer should be 71,064. It can be solved by hand or by calculator
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A car travels 0.75 miles every minute. Explain how you could use proportional reasoning to find how far the car travels in one h
Yuliya22 [10]

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Step-by-step explanation:

3990

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I need assistance!!!!
erastovalidia [21]

Answer:

Step-by-step explanation:

Because midpoints were used to make similar triangles we can say

AC=2(DE)

5x+12=2(9x-20)

5x+12=18x-40

-13x+12=-40

-13x=-52

x=4

AC=5x+12

AC=5(4)+12

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AC=32

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hram777 [196]
The answer is 57 inches

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3 years ago
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GREYUIT [131]

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second choice

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2 years ago
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The volume of a cone of radius r and height h is given by V=πr²h³. If the radius and the height both increase at a constant rate
Aloiza [94]

Answer:

The volume of cone is increasing at a rate 1808.64 cubic cm per second.

Step-by-step explanation:

We are given the following in the question:

\dfrac{dr}{dt} = 12\text{ cm per sec}\\\\\dfrac{dh}{dt} = 12\text{ cm per sec}

Volume of cone =

V = \dfrac{1}{3}\pi r^2 h

where r is the radius and h is the height of the cone.

Instant height = 9 cm

Instant radius = 6 cm

Rate of change of volume =

\dfrac{dV}{dt} = \dfrac{d}{dt}(\dfrac{1}{3}\pi r^2 h)\\\\\dfrac{dV}{dt} = \dfrac{\pi}{3}(2r\dfrac{dr}{dt}h + r^2\dfrac{dh}{dt})

Putting values, we get,

\dfrac{dV}{dt} = \dfrac{\pi}{3}(2(6)(12)(9) + (6)^2(12))\\\\\dfrac{dV}{dt} =1808.64\text{ cubic cm per second}

Thus, the volume of cone is increasing at a rate 1808.64 cubic cm per second.

5 0
3 years ago
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