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dimulka [17.4K]
3 years ago
13

a graphic designer wants to know the number of regions that are formed when circles overlap in particular. can she find a rule t

hat describes how the number of regions increases when another circle is added to the design? how many regions would a design with 6 circles create?

Mathematics
1 answer:
kumpel [21]3 years ago
3 0

Answer:

A. 2

Step-by-step explanation:

Its successive multiples and it increases:

+2, +4, +6, +8

it increases by 2 every time which is successive multiples so the answer is A, 2.

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x=1 is the correct answer

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3 years ago
Which ratio is equivalent to the ratio 33:36
xenn [34]

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Two distinct solid fuel propellants, type A and type B, are being considered for a space program activity. Burning rates of the
Finger [1]

Answer:

C.I. =  (2.297, 11.703)

Step-by-step explanation:

The t-statistic for difference of mean is given by,

t=\frac{\bar{x_{1}}-\bar{x_{2}}}{\sqrt{\frac{s_{1}^{2}}{n_{1}}+\frac{s_{2}^{2}}{n_{2}}}}

Here, \bar{x_{1}} = 84

\bar{x_{2}} = 7

s₁ = 4

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s₂ = 6

n₂ = 18

Substituting all value in formula,

We get, t = -3.541 at 28 degree of freedom.

Using this formula, we get, t = 1.5342

Therefore, based on the data provided, the 99% confidence interval for the difference between the population means \bar{x_{1}}-\bar{x_{2}} is: 2.297 < \bar{x_{1}}-\bar{x_{2}} < 11.703

which indicates that we are 99% confident that the true difference between population means is contained by the interval (2.297, 11.703)

6 0
3 years ago
Can someone help me ?
Alex Ar [27]
All you need to do is divide 2.25 by 2!

The answer is  1.125!

I hope this helps! :)


5 0
3 years ago
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