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Lyrx [107]
3 years ago
7

he volume of a cylinder is 225π cm³ and its height is 9 cm. What is the length of the cylinder radius?

Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

Answer:

The radius is 5

Step-by-step explanation:

I took the test

skad [1K]3 years ago
5 0
Well we know that the volume of a cylinder equals (area of base) (height)
225pi=a*9
divide both sides by 9
25pi=a
a=pir^2
25pi=pir^2
cancel out pi
25=r^2
5=r so the length of the radius is 5
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Write an expression that is equivalent to 21h - 10h + 16 - 9 + 14h + 5 .
Annette [7]

Answer:

25h+12

Step-by-step explanation:

Add the numbers :

21h-10h + <em>16</em><em>-</em><em>9</em><em> </em><em>+</em><em> </em>14h<em>+</em><em> </em><em>5</em>

21h-10h + <em>12</em><em> </em>+ 14h

Combine like terms:

25h + 12

3 0
2 years ago
Terra wants wall-to-wall carpeting in her bedroom, which measures 10’ x 12’6”. Carpeting is on sale for $24.99 per sq. yd. What
dlinn [17]

Answer:

$347.08

Step-by-step explanation:

10' x 12'6" = 125 ft^2

one yd^2 = 9 ft^2

125/9 = 13.89 yd^2

13.89 x $24.99 = $347.08

6 0
3 years ago
I need some help please
zvonat [6]
10 x 10 = 100  80 x 80 =6400 6400-100= 6300 so that would have to be  3150ft.

5 0
3 years ago
-6-2b=-8. What's the answer
Ksivusya [100]

Answer: B = 1

Step-by-step explanation: The first step is to add 6 to both sides of the equation to get -2b = -2

You then divide both sides by negative 2 so you can get a positive

dividing both sides by negative 2 will leave you with 1b = 1

so

b = 1

8 0
2 years ago
Ms Lucas has 9 cases of crayon with 52 boxes in each case Ms Bruns has 6 cases of crayon with a 104 in each case How many boxes
saveliy_v [14]

Answer:

1092

Step-by-step explanation:

Step one:

given data

Ms Lucas has 9 cases of crayon with 52 boxes in each case

total crayon is

9*52= 468

Ms Bruns has 6 cases of crayon with a 104 in each case

total crayon is

6*104= 624

The total crayon is

468+624= 1092

5 0
3 years ago
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