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3 years ago

What is the value of the expression Зр divided by8 + 4 when p is 32?

Mathematics

1 answer:

Otrada [13]3 years ago

4 0

Answer:

-4

Step-by-step explanation:

Divide each side by '-1'.

p = -4

Simplifying

p = -4

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How many decimals are between 0,5 and 0,6 ?

dusya [7]

Between 0.5 and 0.6 can be an infinity.

ex:

0.51

0.52

0.517

0.5169889549.......

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etc.

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3 years ago

Read 2 more answers

Sixty is 12% of what number? 500 720 7.2 5

Fantom [35]

60 is 12% of what number

60 = 0.12x
60 / 0.12 = x
500 = x......so 60 is 12% of 500

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3 years ago

Which ordered pair is a solution of the equation y = 3x - 3?

iris [78.8K]

(2,3) if you plug in the Y you get 3 on the left side and then you plug in 2 and get 3*2 - 3 which is 6-3 when is 3 as well . So both values on either side are equivalent

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3 years ago

Find the volume of the solid generated by revolving the area bounded by y=x^2 and x-axis from [0,2] around the x-axis

lesya [120]

Answer: $\dfrac{32\pi }{5}\ \text{unit}^3$

Step-by-step explanation:

Given

The area is bounded by $y=x^2$ and x-axis from [0,2]

The volume generated for $y=f(x)$ when rotated about the x-axis in the interval [a,b] is

$V=\int_a^b\pi y^2dx$

Insert the values

$\Rightarrow V=\int_0^2\pi x^4dx\\\\\Rightarrow V=\pi \int_0^2x^4dx\\\\\Rightarrow V=\pi \left[ \dfrac{x^5}{5}\right]_0^2\\\\\Rightarrow V=\dfrac{2^5\pi }{5}\\\\\Rightarrow V=\dfrac{32\pi }{5}\ \text{unit}^3$

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2 years ago

A ramp used to remove furniture from a moving truck has a slope of 2/5.

mamaluj [8]

Remember that slope is change in y (height) over change in x (horizontal distance). We set up a proportion to find the horizontal distance from the base of the ramp to the end of the truck.

$slope= \frac{ChangeInHeight}{ChangeInHorizontalDistance} = \frac{2}{5}= \frac{4feet}{x} \\ 
 \frac{2}{5} = \frac{4feet}{x} \\ 
2x = 20feet \\ 
x = 10feet$

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2 years ago