Which describes the turn the angle on the circle shows?

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

4 0

The answer is D: 180 degrees counterclockwise

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If 3y+2 is equal to -2+y then what is y

garik1379 [7]

Answer:

y=-2

Step-by-step explanation:

3y+2=-2+y

subtract the 1y from both sides leaving you with 2y+2=-2

Then subtract 2 from both sides leaving you with 2y=-4

Then divide by 2 on both sides leaving you with y=-2

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3 years ago

Is {3,…} a defined set

Reptile [31]

Answer:

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In a sample of 115 115 curtains, the average length was found to be 32.2in. 32.2 ⁢ in. With a standard deviation of 0.8 0.8 . Gi

pentagon [3]

Answer:

The point estimate for the population standard deviation of the length of the curtains is 8.58in.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .