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Snezhnost [94]
2 years ago
14

If figure f is rotated 180 degrees and dilated by a factor of 1/2 which new figure could be produced

Mathematics
1 answer:
andrey2020 [161]2 years ago
6 0
A right angle maybe?
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The mayor of a town has proposed a plan for the annexation of an adjoining community. A political study took a sample of 1600 vo
Arturiano [62]

Answer:

Test statistic = -2.44

There is enough evidence to support the strategist's claim.

Step-by-step explanation:

H0 : p = 0.41

H1 : p < 0.41

pˆ = 0.38

Test statistic :

z=pˆ−p/√p(1−p)/n

Z = (0.38 - 0.41) / √(0.41(1 - 0.41) / 1600

Z = - 0.03 / √0.0001511875

Z = - 0.03 / 0.0122958

Z = - 2.4399

Test statistic = -2.44

The Pvalue :

P(Z < -2.44) = 0.0073436

α - level = 0.02

If Pvalue < α ; Reject H0

0.0073436 < 0.02 ; We reject H0

Since Pvalue < α ; Hence, There is enough evidence to support the strategist's claim.

8 0
2 years ago
The equation v/2 -21=-15 is solved in several steps below.
Arada [10]

Answer:

V/2 - 21 = -15

V/2 - 21 + 21 = -15 + 21

V/2 + 0 = 6

V/2 * 2 = 6 * 2

V = 12

8 0
3 years ago
SOMEBODY PLEASE HELP BEEN STUCK FOREVER
Inga [223]

Answer:

Idk I would say 30

Step-by-step explanation:

8 0
3 years ago
Add rational numbers<br> 3/5+4/5=<br> How do you get the answer<br> 1. /5
Nikitich [7]
I don’t understand you second question but this is the work for the first one.

Hope it helps!

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3 years ago
112% of what number is 84?
irinina [24]
The answer is 75 % you just have to divide 84 and 112 and u get 75%
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2 years ago
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