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2 years ago

14

Help ASAP pleaseeee...

1 answer:

Gala2k [10]2 years ago

6 0

Answer:

Elimination is the best to solve it

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your football team has a total of 50 jerseys. There are 15 medium-sized jerseys. What percent of the jerseys are medium-sized je

Anna71 [15]

30% of the jerseys are medium-sized jersey :)

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2 years ago

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209 3) Below are two straight angles. Use the given angles to help you determine the missing angle measure ? 140° ? 45° 90°

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2 years ago

Divide and simplify 5/12÷20/36

gregori [183]

Hello there! The formula for dividing fraction is keep, change, flip. You keep the first fraction the same, change division into multiplication, and flip the second fraction over by its reciprocal. In this case, 5/12 remains the same, division becoems multiplication, and 20/36 flips over to become 36/20. So the expression becomes this:

5/12 * 36/20

Now, we multiply straight across. 5 * 36 is 180. 12 * 20 is 240. 180/240 is 3/4 in simplest form. There. The quotient is 3/4.

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2 years ago

42 divided by 4 and 67 divided by8

Bezzdna [24]

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2 years ago

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A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtain

slega [8]

Answer: 8359

Step-by-step explanation:

The formula for sample size needed for interval estimate of population proportion :-

$n=p(1-p)(\frac{z_{\alpha/2}}{E})^2$

Given : The significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}}=z_{0.025}=\pm1.96$

Previous estimate of proportion : $p=0.32$

Margin of error : $E=0.01$

Now, the required sample size will be :-

$n=0.32(1-0.32)(\frac{1.96}{0.01})^2=8359.3216\approx8359$

Hence, the required sample size = 8359

5 0

2 years ago