3 years ago

‼️‼️‼️‼️‼️‼️ PLEASE HELP FIRST ANSWER GETS BRAINLIEST NO LINK NO LINKS OR BANNED

Mathematics

1 answer:

nignag [31]3 years ago

3 0

Answer: I beleive its B, C, and E

Step-by-step explanation:

HOpe this helps

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A heap of rubbish in the shape of a cube is being compacted into a smaller cube. Given that the volume decreases at a rate of 3

inna [77]

Answer:

-1/4 meter per minute

Step-by-step explanation:

Since, the volume of a cube,

$V=r^3$

Where, r is the edge of the cube,

Differentiating with respect to t ( time )

$\frac{dV}{dt}=3r^2\frac{dr}{dt}$

Given, $\frac{dV}{dt}=-3\text{ cubic meters per minute}$

Also, V = 8 ⇒ r = ∛8 = 2,

By substituting the values,

$-3=3(2)^2 \frac{dr}{dt}$

$-3=12\frac{dr}{dt}$

$\implies \frac{dr}{dt}=-\frac{3}{12}=-\frac{1}{4}$

Hence, the rate of change of an edge is -1/4 meter per minute.

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3 years ago

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CaHeK987 [17]

Answer:

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Step-by-step explanation:

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3 years ago

Tell me weather 16641 is a perfect square by division method an please show me the solution too

Aleonysh [2.5K]

Answer:

yes

Step-by-step explanation:

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3 years ago

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Given points R (3,7) and S (1,3), what is the slope of the line that passes through the points R and S?

butalik [34]

Answer:

Slope = y2-y1/x2-x1

Slope = (7-3)/(3-1)

Slope = 4/2

Slope 2

Let me know if this helps!

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3 years ago

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Olin [163]

Answer:

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Step-by-step explanation:

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