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atroni [7]
2 years ago
5

A cylinder has a radius of 3 cm. Sand is poured into the cylinder to form a layer 2 cm deep. What is the volume of sand in the c

ylinder?.
Mathematics
1 answer:
netineya [11]2 years ago
3 0

Answer:

Volume=56.54cm³

Step-by-step explanation:

Solution,\\\\Radius(r)=3cm\\\\Height(h)=2cm\\\\Now,\\\\Volume=\pi r^{2} h\\\\Volume=\pi *(3cm)^{2} *2cm\\\\Volume=18\pi cm^{3} =56.54cm^{3}

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The base of this regular right pyramid is a square. What is its surface area?
zubka84 [21]

Answer:

○ A) 21 ft.²

Step-by-step explanation:

{a}^{2} + 2a  \sqrt{ \frac{ {a}^{2}}{4} + {h}^{2} } = S. A. \\  \\ {3}^{2} + 2(3) \sqrt{ \frac{ {3}^{2} }{4} +  {2}^{2}} = 24 \\  \\ 24 ≈ 21

I am joyous to assist you anytime.

5 0
3 years ago
what is an equation of a line that passes through the point (-4,-6) and is perpendicular to the line 2x-y=6
igor_vitrenko [27]

Answer:

Answer:y=2/3x-10/3

- 4/-6 is 4/6 so m is 4/6 then fill in the x and y variables in y=Mx+b solve for b then start plotting the equation of the line to check and you get your answer

I think this is the answer you might need to check again with more people

Step-by-step explanation:

6 0
3 years ago
Want Brainliest? Get this correct Which of the following is the quotient of the rational expressions shown below? Make sure your
elena-14-01-66 [18.8K]

Answer:

B.

Step-by-step explanation:

First, notice that we can cancel out an x in the second term. Thus:

\frac{3x^2}{x^2+x} =\frac{3x^2}{x(x+1)} =\frac{3x}{x+1}

As with the last question, change the sign to multiplication and "flip" the second term:

\frac{2x-1}{x+1}\cdot \frac{x+1}{3x}

Multiply straight across:

=\frac{(2x-1)(x+1)}{(x+1)(3x)}

Cancel the (x+1) term:

=\frac{2x-1}{3x}

Cannot be simplified further.

B.

4 0
3 years ago
If Amanda ran 3/8 of a mile on Wednesday, how much more did she run on Monday and Tuesday than on Wednesday
Lorico [155]
I think 6/8 hope this help.
8 0
3 years ago
An online music club sells songs for $.95each plus a $1.95monthly fee for the service. If Maria’s total monthly bill was $14.30,
aksik [14]
First you would subtract the monthly fee from the total bill
14.30 - 1.95 = 12.35
Maria spend $12.35 on songs, to find out how many songs, you divide that by $.95
12.35 \div .95 = 13
Maria bought 13 songs this month.
5 0
3 years ago
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