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Ksivusya [100]
2 years ago
11

The table shows the number of hours spent practicing singing each week in three samples of 10 randomly selected chorus members.

Mathematics
1 answer:
astraxan [27]2 years ago
6 0

Answer:

B they are close together

Step-by-step explanation:

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Please someone do this for me
nlexa [21]

Answer:

A = -12

B = -8

C = -4

Step-by-step explanation:

y=2x-8

x = -2

y=2(-2)-8=-4-8=-12

A = -12

x = 0

y = 2 (0)-8=-8

B = -8

x = 2

y = 2 (2) -8 = 4-8 = -4

C = -4

Hope this helps

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2 years ago
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Tom made $450 selling CDs last month. That total increased to $513 this month. What was the percent increase? (pls answer)
svetoff [14.1K]

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Step-by-step explanation:

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3 years ago
Factor the expression. K^2+kf-2f^2
evablogger [386]

Answer:

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Step-by-step explanation:

4 0
2 years ago
If the base of a square pyramid is 9 centimeters, and it has a volume of 324 cubic centimeters, what is the height of the pyrami
masha68 [24]

A

The volume (V) of a pyramid is found using the formula

V = \frac{1}{3} × area of base × height(h)

area of base = 9² = 81 ← area of a square, hence

324 = \frac{1}{3} × 81 × h = 27h ( divide both sides by 27 )

h = \frac{324}{27} = 12 → A



3 0
2 years ago
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