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3 years ago

If x is 5, then 6= what

Mathematics

1 answer:

irina [24]3 years ago

8 0

If x is 5 then 6 = y...... I hope this helps

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PLEASE SHOW WORK

CaHeK987 [17]

(C)

Step-by-step explanation:

The volume of the conical pile is given by

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

Taking the derivative of V with respect to time, we get

$\dfrac{dV}{dt} = \dfrac{\pi}{3}\dfrac{d}{dt}(r^2h)$

$\:\:\:\:\:\:\:= \dfrac{\pi}{3}\left(2rh\dfrac{dr}{dt} + r^2\dfrac{dh}{dt}\right)$

Since r is always equal to h, we can set

$\dfrac{dr}{dt} = \dfrac{dh}{dt}$

so that our expression for dV/dt becomes

$\dfrac{dV}{dt} = \dfrac{\pi}{3}\left(3r^2\dfrac{dh}{dt}\right)$

$\:\:\:\:\:\:\:= \pi r^2\dfrac{dh}{dt}$

Solving for dh/dt, we get

$\dfrac{dh}{dt} = \dfrac{1}{\pi r^2}\dfrac{dV}{dt}$

$\:\:\:\:\:\:\:= \dfrac{1}{9\pi\:\text{m}^2}(36\:\text{m}^3\text{/s})$

$\:\:\:\:\:\:\:= \dfrac{4}{\pi}\:\text{m/s}$

7 0

3 years ago

An angle measures 12 degrees less than three times it's supplement. Find the measure of the angle.

Aleonysh [2.5K]

supplementary angles = 180 degrees

so x = angle 1

y = angle 2

y = 3x-12

x + 3x-12 =180

4x-12 = 180

4x = 192

x = 192/4 = 48

y = 3(48) -12 = 144-12 = 132

132 +48 = 180

the angle is 132

4 0

3 years ago

Easy math multiple choice

pashok25 [27]

Answer:

D. (x-8)(x+2)(x+4)

Step-by-step explanation:

I graphed the expressions below on the graph.

If this answer is correct, please make me Brainliest!

5 0

3 years ago

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Ana completed 40% of her homework assignment.Her assignment contains 30 math problems. How many problems does she STILL need to

Brut [27]

Answer:

your answer is 16

Step-by-step explanation:

8 0

3 years ago

Michael has a bus rental agency. He has 18 buses available, of which 8 have air conditioning (A.C.). What is the probability tha

Inessa05 [86]

Answer:

4 / 9

Step-by-step explanation:

Solution:-

- Michael bus rental agency has a total of n = 18 buses.

- Out all the available buses he has r = 8 buses with AC in them.

- If we were to randomly select a bus from his agency what is the probability that the bus would have an AC:

P ( Bus with AC ) = Favorable Outcomes / Total outcomes

= Number of bus with AC / Total Buses

= r / n

= 8 / 18

= 4 / 9

8 0

3 years ago

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