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Agata [3.3K]
3 years ago
5

Need help on 4-12 teacher didn't explain and just gave us the homework

Mathematics
1 answer:
Lesechka [4]3 years ago
3 0
I think you would need to multiply all the sides by the number it gave u.
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Can someone please help me
pentagon [3]
V = Volume of cylinder
B = area of base
h = height of cylinder

It turns out that
V = B*h
In a similar way to that of a cube

If we know that V = 84pi and h = 7, then we can plug those values into the formula above, and solve for B

V = B*h
84pi = B*7
84pi/7 = B*7/7 ... divide both sides by 7
12pi = B
B = 12pi

Therefore the base is 12pi square units
6 0
3 years ago
What expression is equivalent to -x + 5 - 13 + 12x
zvonat [6]

Answer:

11x - 8

Step-by-step explanation:

If you have x- + 5 - 13 + 12x, all we are doing is combining like terms. First, 5 - 13 = -8. Then, -x + 12x is the same as doing 12x - x. That gives us 11x. The answer would be 11x - 8 when you put -8 and 11x together in the expression.

6 0
3 years ago
There's a one time fee of $27 to join the gym the monthly cost of using the gym is $18 write an equation for the relationship th
Sonbull [250]

y = 18x + 27
with y equaling the total and x equaling the number if months
5 0
3 years ago
I need the answer this is hard
vlada-n [284]

it takes the robot 32/3 hour(s) to complete one task which in decimal form would be something like 10.6667.

3 0
3 years ago
jane bought a blouse at sh:1150 after a discount of sh:250.what was the marked price of the blouse??​
andrezito [222]

Answer:

1400

Step-by-step explanation:

since it was a discount you add the new price to the discount and get the markerd price

5 0
3 years ago
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