3 years ago

What is the value of z? (multiple choice)

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

6 0

The answer would be 5.6

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3n + 8 = 35 solve for n

liberstina [14]

Answer:

Step-by-step explanation:

3n+8=35

subtract 8 on both sides

3n=27

n=9

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2 years ago

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Solve for w. Show your work.<br> ( 36 ÷ 3 )( 2 x 6 ) = w

LenaWriter [7]

W = 144. Evaluate the equations inside the parentheses. Which is 12 x 12 then evaluate that. Which equals, 144.

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2 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.

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3 years ago

Jasmine goes bowling. She has $25.00 spend. She spends $4.50 to rent shoes. She spends $2.50 for each game she

NeTakaya

Answer:

25.00 < (with a line under it) 4.50+2.50x

Step-by-step explanation:

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Answer for brainliest

Tcecarenko [31]

Answer:
If this is what your looking for, the answer may be:
-4y + 12
Hope this helps!

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2 years ago