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Strike441 [17]
3 years ago
8

Wht is the volume for both 7 and 8 Also rounded to the nearest tenth if ecessary

Mathematics
1 answer:
Masteriza [31]3 years ago
7 0
I dont get this question  it makes no sense
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If a + b + c = -2 and x + y = 10,<br> what is -9a + 2x - 9b - 9c + 2y?
MaRussiya [10]
38
because since all abc and xy have the same coefficients it makes it easier. 
i just made a=-2, b=-4,and c=4 because when added up it equals -2
i also made both x and y =5 becasue when added up it equals 10
so, -9(-2)+2(5)-9(-4)-9(4)+2(5)
18+10+36-36+10=38
4 0
3 years ago
An art teacher is pouring paint into containers that each hold 1/2, gallon. How many
irina1246 [14]

Answer:

10 gallons

Step-by-step explanation:

Multiply 20 by 1/2.

20 x 1/2 = 10

Hope it helps!

Let me know if it doesn't, I can make it right.

5 0
2 years ago
A pile of sand in the shape of a cone has a diameter of 8 in. and a height of 5 in.
max2010maxim [7]

if it has a diameter of 8, that means its radius is half that, or 4.


\bf \textit{volume of a cone}\\\\&#10;V=\cfrac{\pi r^2 h}{3}~~&#10;\begin{cases}&#10;r=radius\\&#10;h=height\\[-0.5em]&#10;\hrulefill\\&#10;r=4\\&#10;h=5&#10;\end{cases}\implies V=\cfrac{\pi (4)^2(5)}{3}\implies V=\cfrac{80\pi }{3}&#10;\\\\[-0.35em]&#10;\rule{34em}{0.25pt}\\\\&#10;~\hfill \stackrel{using~\pi =3.14}{V= 83.7\overline{3}}~\hfill

8 0
3 years ago
Solve for x. Show each step of the solution 4.5 ( 8 - x ) + 36 = 102 - 2.5 ( 3x + 24)​
PSYCHO15rus [73]

Answer:

X=-10

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Perform the indicated operation. square root of 8 + square root of 50
Dmitrij [34]
Square root of 8 = 2.82842712475

Square root of 50 = <span>7.07106781187
</span>
Sum = 9.89949494

If you would like to round, you can go ahead and round 9.89949494 to 9.9

6 0
3 years ago
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