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2 years ago

What is 3 groups of 6

Mathematics

1 answer:

Kruka [31]2 years ago

3 0

3 x 6 = 18

So your answer is 18

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Which of the following functions would not graph as a straight line?

spin [16.1K]

Answer:

A) f (x) = $-x^{2}$ - 3

Step-by-step explanation:

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2 years ago

Read 2 more answers

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lara31 [8.8K]

A) The correct way to write 1/4 as a precent is 25%.

because....

1÷4= .25. and .25×100= 25%

b) The reporter most likely forgot to multiply by 100. The reporter instead just found what 1/4 was as a decimal, not a precent.

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3 years ago

What sample size should be used if we would like to estimate the mean age of the college students at a particular campus with 95

nevsk [136]

Answer: 12

Step-by-step explanation:

The formula to find the sample size is given by:-

$n=(\dfrac{z_c\cdot \sigma}{E})^2$ , where $\sigma$ is the population standard deviation, $z_c$ is the z-value for the $(1-\alpha)$ confidence interval and E is the margin of error .

As per given , we have

Population standard deviation : $\sigma=5.1$

z-value for 95% confidence interval : $z_c=1.960$

Margin of error : E= 3

Then, the required minimum sample :-

$n=(\dfrac{(1.96)\cdot (5.1)}{3})^2\\\\\Rightarrow\ n=(3.332)^2=11.102224\approx12$

Hence, the required minimum sample size = 12

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2 years ago

Statistics from Cornell's Northeast Regional Climate Center indicate that Ithaca, NY, gets an average of 35.4 inches of rain eac

sineoko [7]

Answer:

a. approximately 13.7%

Step-by-step explanation:

Please see attachment

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3 years ago

What is the median of 123,138,142,133

zimovet [89]

The answer is 135.5

123, 133, 138, 142

Organize the numbers in order from smallest to largest. There are two numbers in the middle so add those two and divide by two. 133+138=271÷2 is 135.5

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3 years ago