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Romashka [77]
3 years ago
14

Can someone help asap

Mathematics
2 answers:
grandymaker [24]3 years ago
5 0

Answer:

IM GEORGE FLOYD

Step-by-step explanation:

Akimi4 [234]3 years ago
5 0

Answer:

i would be 22.5 or 22 minutes and 30 seconds becuase 45 times 30 is 1350 and if you do it by 60 because thats how many seconds are in a minute you get 22.5 or 22 mins and 30 seconds

brainliest?! thank you !

Step-by-step explanation:

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igor_vitrenko [27]
The answer is $7.00 because 56.00/8=7.00.
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4 0
3 years ago
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Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap
gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

\frac{dV}{dt}=15ft^3/min

We have to find the increasing rate of change of height of pile  when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r=\frac{d}{2}=\frac{h}{2}

Volume of pile=\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3

\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}

h=12 ft

Substitute the values

15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}

\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}

\frac{dh}{dt}=0.13ft/min

7 0
4 years ago
PLEASE I NEED HELP
Afina-wow [57]

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3 years ago
If f(x) = x2 – 2x and g(x) = 6x + 4, for which value of x does (f + g)(x) = 0?
Artyom0805 [142]

Answer:

The answer is second one (-2)

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