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FrozenT [24]
3 years ago
6

12/02/2020 someone help me

Mathematics
1 answer:
krek1111 [17]3 years ago
6 0

Answer:

C. h = \frac{V}{\pi r^{2} }

Step-by-step explanation:

Since V = \pi × r × h, h = V ÷ (\pi × r) because the × sign changes to a ÷ sign when h is removed and V is moved from the left side of the equation to the right side.

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Please delete this answer.

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Please help, i really need help
AveGali [126]

Answer :

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Step-by-step explanation:

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6 0
3 years ago
Assured normally costs £42 if you receive a 15% discount how much change will you get from £50
vesna_86 [32]
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The measure of anglerst can be represented by the expression (6x 12)°. three lines extend from point s. the space between lines
miv72 [106K]

Answer:

  ∠RST = 120°

Step-by-step explanation:

We assume the positions of the lines and angles will match the attached figure. The angle addition theorem gives a relation that can be solved for x, then for the value of angle RST.

  ∠RSU +∠UST = ∠RST

__

  78° + (3x -12)° = (6x +12)° . . . . . substitute given values into the above

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  108 = 6x . . . . . . . . . . . multiply by 2

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The measure of angle RST is 120 degrees.

_____

<em>Additional comment</em>

Note that we don't actually need to know the value of x (18) in this problem. We only need to know the value of 6x.

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