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yarga [219]
2 years ago
10

Sphere a has a radius of 2cm. Sphere b has a radius of 4cm. Calculate the volume of sphere a.

Mathematics
1 answer:
kykrilka [37]2 years ago
6 0

Answer:

sphere a: 33.51 and sphere b: 268.08

Step-by-step explanation:

math

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A sample of 56 research cotton samples resulted in a sample average percentage elongation of 8.17 and a sample standard deviatio
Step2247 [10]

Answer:

(7.7981, 8.5419). The distribution of percentage elongation can be any distribution with finite mean and variance.

Step-by-step explanation:

We have a large sample size n = 56 research cotton samples. Besides, \bar{x} = 8.17 and s = 1.42. A 95% large-sample CI for the true average percentage elongation is given by \bar{x}\pm z_{0.05/2}(s/\sqrt{n}), i.e., 8.17\pm (1.96)(1.42/\sqrt{56}) or equivalently (7.7981, 8.5419). The distribution of percentage elongation can be any distribution with finite mean and variance because we have a large sample.

4 0
2 years ago
Can someone help me with these to please I’m kinda stuck on them lol
White raven [17]

Step-by-step explanation:

m+3=9

m=9-3=6

The second question I guess that it is solved like

2x+5=11

2x=11-5

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5x=19

X=19/5

I don't know the machine so sorry

7 0
2 years ago
Help please i need it really bad pls :(
Luden [163]

Answer:

option 2

hope this helps

have a good day :)

Step-by-step explanation:

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16 - 9 = 7
7 pencils.
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