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prohojiy [21]
3 years ago
7

What is this simplified: 5(z+4)+5(2-z)

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0
It would be 30 because when you add 5z to a -5z those cancel out so what you have left would be 20+10 and you would add those together and get 30.
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Find the midpoint of the segment below and enter its coordinates as an
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Step-by-step explanation:

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7 0
3 years ago
3.A prop for the theater club’s play is constructed as a cone topped with a half-sphere. What is the volume of the prop? Round y
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The volume (V) of the prop is the sum of the volume of cone (V1) and half of the volume of the sphere (V2): V = V1 + 1/2 * V2

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V1 = π r² h / 3
According to the image,
h = 14 in
r = 9 in
and
π = 3.14
V1 = 3.14 * 9² * 14 / 3 =  1,186.92 in³

The volume of the sphere is:
V2 = π r³ * 4/3
According to the image,
r = 9 in
and
π = 3.14
V2 = 3.14 * 9³ * 4/3 = 3,052.08 in³

The volume of the prop is:
V = V1 + 1/2 * V2
V = 1,186.92 in³ + 1/2 * 3,052.08 in³
V = 1,186.92 in³  + 1,526.04 in³ 
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5 0
3 years ago
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