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3 years ago

Helpppp fue on Monday major grade

Mathematics

2 answers:

blsea [12.9K]3 years ago

5 0

Answer:

38 °

Step-by-step explanation:

a triangles total side add up to 180°

so, we subtract 180 - 106 = 74

then we subtract 74-36 = 38°

?= 38°

JulijaS [17]3 years ago

5 0

38 degrees is the answer

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Miley has $40 in her savings account. She plans to save $25 per week from now on. Select the equation that models the total amou

Semmy [17]

A. S = 25w + 40

Because 25 x w = how much she saved

Then + 40 = how much she will have after saving up

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3 years ago

I am giving brainliest to who ever helps me with ALL the problems pls quick (:

Norma-Jean [14]

ok so I know I'm not giving the answer but if you look up (ma th way) you can get the answers for 1 and 2

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3 years ago

You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a r

SIZIF [17.4K]

Answer:

The critical value that corresponds to a confidence level of 99% is, 2.58.

Step-by-step explanation:

Consider a random variable X that follows a Binomial distribution with parameters, sample size n and probability of success p.

It is provided that the distribution of proportion of random variable X, $\hat p$ , can be approximated by the Normal distribution.

The mean of the distribution of proportion is, $\mu_{\hat p}=\hat p$

The standard deviation of the distribution of proportion is, $\sigma_{\hat p}=\sqrt{\frac{\hat p(1-\hat p)}{n}}$ .

Then the confidence interval for the population proportion p is:

$CI=\hat p\pm z_{\alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }$

The confidence level is 99%.

The significance level is:

$\alpha =1-\frac{Confidence\ level}{100}=1-\frac{99}{100}=1-0.99=0.01$

Compute the critical value as follows:

$z_{\alpha /2}=z_{0.01/2}=z_{0.005}$

That is:

$P(Z>z)=0.005\\P(Z$

Use the z-table for the z-value.

For z = 2.58 the P (Z < z) = 0.995.

And for z = -2.58 the P (Z > z) = 0.005.

Thus, the critical value is, 2.58.

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4 years ago

If the ship can travel to either dock, which dock would be closest? Explain your answer. Michael’s dock would be closer because

Greeley [361]

Answer : Michael’s dock would be closer because the angle opposite is smaller

Michael and Jacob are standing on two docks that are 20 miles apart. They are watching a ship that is out in the ocean. The angle between the dock and the line connecting Michael and the ship is 48°, and the angle between the other dock and the line connecting Jacob and the ship is 37°.

Explanation:

the angle between the other dock and the line connecting Jacob and the ship is 37°. The side opposite to angle 37 will be smaller. The distance between Michael and Ship will be smaller than Jacob and ship.

So Michael’s dock would be closer because the angle opposite is smaller.