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Vikentia [17]
2 years ago
14

Find volume of the specified cone use 3.14 round number to the nearest whole number radius 9 in ,height 8 in

Mathematics
2 answers:
mixas84 [53]2 years ago
6 0

Answer:

678 cu. in.

Step-by-step explanation:

hope this helps!

sweet-ann [11.9K]2 years ago
4 0
The answer would be 151 cu. in.
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What is the measure of angle Z?
Iteru [2.4K]

Answer:

sum of exterior angles of polygon = 360°

therefore,

z = 360 - (105+145)

z = 360 - 250

z = 110°

3 0
3 years ago
A pyramid and a cone are both 8 centimeters tall and have the same volume.
notka56 [123]

Answer:

D. The horizontal cross-sections of the prisms at the same height must have the same area.

Step-by-step explanation: I dont know what the guy above is saying but this is the right answer

4 0
2 years ago
What is the coefficient of xy^2<br> in the expansion of (x+y)^3?
Basile [38]

Step-by-step explanation:

Using Binomial Expansion,

(x + y)³

= 3C0 * x³ + 3C1 * x²y + 3C2 * xy² + 3C3 * y³.

Therefore the coefficient of xy² is 3C2 = 3.

5 0
3 years ago
Read 2 more answers
How would you do this last part?
alina1380 [7]

Answer:

broken heart thats the last one lol

Step-by-step explanation:

8 0
3 years ago
Simplify this expression
kompoz [17]
The first step for solving this problem is to know that in order to divide by a fraction,, we must multiply by the reciprocal of that fraction. This will look like the following:
\frac{x+2}{ x^{2} -6x-16} × 9x
Write -6x as a difference.
\frac{x+2}{ x^{2} +2x-8x-16} × 9x
Factor out x from x² + 2x.
\frac{x+2}{ x X (x+2)-8x-16} × 9x
Factor out -8 from -8(x + 2).
\frac{x+2}{ x X (x+2)-8(x+2)} × 9x
Factor out x + 2 from the denominator (bottom) of the expression.
\frac{x+2}{(x+2)X(x-8)} × 9x
Reduce the fraction with x + 2
\frac{1}{x-8} × 9x
Finally,, calculate the product to find your final answer.
\frac{9x}{x-8}
This means that the correct answer to your question is going to be option B.
Let me know if you have any further questions.
:)
3 0
2 years ago
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