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3 years ago

PLEASE HELPNEED THIS SOOOOON

Mathematics

2 answers:

sineoko [7]3 years ago

6 0

Answer: -12

Step-by-step explanation:

Trava [24]3 years ago

5 0

The distance between the two points is -12

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miskamm [114]

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3 years ago

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Matilda has been studying exponential functions in her algebra class and has started to notice a pattern.

dlinn [17]

Answer:

Most likely C

Step-by-step explanation:

This is most likely C because it always goes up and although a and c are the only ones with positive equations a makes you multiply by a decimal which can reduce the number so it's most likely C

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3 years ago

Which of the following graphs is a function

Pie

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3 years ago

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A filter filled with liquid is in the shape of a vertex-down cone with a height of 9 inches and a diameter of 6 inches at its op

Alina [70]

Answer: Level of the liquid dropping at 28.28 inch/second when the liquid is 2 inches deep.

Step-by-step explanation:

Since we have given that

Height = 9 inches

Diameter = 6 inches

Radius = 3 inches

So, $\dfrac{r}{h}=\dfrac{3}{9}=\dfrac{1}{3}\\\\r=\dfrac{1}{3}h$

Volume of cone is given by

$V=\dfrac{1}{3}\pi r^2h\\\\V=\dfrac{1}{3}\pi \dfrac{1}{9}h^2\times h\\\\V=\dfrac{1}{27}\pi h^3$

By differentiating with respect to time t, we get that

$\dfrac{dv}{dt}=\dfrac{1}{27}\pi \times 3\times h^2\dfrac{dh}{dt}=\dfrac{1}{9}\pi h^2\dfrac{dh}{dt}$

Now, the liquid drips out the bottom of the filter at the constant rate of 4 cubic inches per second, ie $\dfrac{dv}{dt}=-4\ in^3$

and h = 2 inches deep.

$-4=\dfrac{1}{9}\times \pi\times (2)^2\dfrac{dh}{dt}\\\\-9\pi =\dfrac{dh}{dt}\\\\-28.28=\dfrac{dh}{dt}$

Hence, level of the liquid dropping at 28.28 inch/second when the liquid is 2 inches deep.

7 0

3 years ago

What is the cube root of 8x^27?<br> A) 2x^3<br> B) 2x^9<br> C) 4x^3<br> D) 4x^9

Tamiku [17]

Answer:

B) 2x^9

Step-by-step explanation:

i hope that helps

8 0

3 years ago

PLEASE HELPNEED THIS SOOOOON​

PLEASE HELPNEED THIS SOOOOON