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krok68 [10]
3 years ago
15

4x - 5 = 11 is an example of a

Mathematics
1 answer:
Tanya [424]3 years ago
3 0

Answer:

MATH PROBLEM

Step-by-step explanation:

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x >2.2034

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3 0
3 years ago
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
Please help me, im so confused it's "Anthony owns a $133,000 brick home in Area B. How much will it cost him to insure the home
ExtremeBDS [4]
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8 0
3 years ago
If y varies directly with x and y = 2 when x = 10, then what is the value of y when x = 40? 200 45 320 8
xz_007 [3.2K]

40/10=4  2*4=8

8 is your answer



6 0
3 years ago
8. In the first two basketball games, Lee scored a total of
Ira Lisetskai [31]

Answer:

19

Step-by-step explanation:

40-21+19

5 0
2 years ago
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