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luda_lava [24]
3 years ago
10

What is the area of this composite figure?

Mathematics
1 answer:
jek_recluse [69]3 years ago
7 0

Answer:

7.14 in. sq

Step-by-step explanation:

First find the area of the square; 2x2=4

Now find the area of the semi-circle; radius = 1.    

1 squared= 1 Now multiply by 3.14 which equals 3.14

Now divide by 2 because it's a semi-circle, you get 1.57.

Multiply 1.57 by 2 because you have 2 semi-circles, the would equal 3.14

Add 4+3.14 and you get 7.14

The area of the composite figure is 7.14 in. sq

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Answer:

Its statistically significant, that Mean monthly apartment rent in town east <  $ 750

Step-by-step explanation:

Null Hypothesis [H0] : Mean monthly apartment rent in town east = 750

Alternate Hypothesis [H1]: Mean monthly apartment rent in town east < 750

t = (x' - u) / (s / √n)

x' = sample mean = 737

u = population assumed mean = 750

s = standard deviation = 23

n = no. of units in sample

t = (737 - 750) / (23 / √18)  = -13 / 5.4212

= -2.39

t tabulated critical value : for one sided 0.05 significance level, at 17 degrees of freedom = -1.740

t calculated value, -2.39 < t tabulated critical value, - 1.740

We reject the null hypothesis, & state that its statistically significant, that Mean monthly apartment rent in town east < 750

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