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pickupchik [31]
3 years ago
9

I need help with 11,12,13

Mathematics
1 answer:
liraira [26]3 years ago
6 0
The ratios should be,
11. no, it's not a constant trend.
12, 1;2
13, The ratio should be multiplying by 10.
I'm not sure about 13
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Make r the subject of the formula t=r/r-3
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Answer:

r = t(r-3)

Step-by-step explanation:

t = r/r-3

r/r-3 = t

r = t x (r-3)

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Multiply or divide. Show your work.<br><br> 3n²-n/n²-1÷n²/n+1
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5 0
3 years ago
Help me out pls!!!!!!
klio [65]
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4 0
2 years ago
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Xelga [282]

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Step-by-step explanation:

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3 years ago
A basketball has a diameter of 10 in. Using = 3.14, what is the approximate volume of the basketball in cubic inches?
m_a_m_a [10]

Answer:

523.3 cubic inches

Step-by-step explanation:

A basketball has a diameter of 10 in. Using = 3.14, what is the approximate volume of the basketball in cubic inches?

The shape of a basketball is spherical.

Hence:

The volume of a basketball = 4/3 × π × r³

From the question,

π = 3.14

r = radius = Diameter/2

r = 10 in/2 = 5 in

Hence:

The volume of the basketball

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= 523.33333333 cubic inches

Therefore, the approximate volume of the basketball = 523.3 cubic inches

5 0
3 years ago
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