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4 years ago

I neeeeeeeeeed help.

Mathematics

1 answer:

raketka [301]4 years ago

6 0

Answer:

Tbe delivery person can only bring 15 boxes of books at one time

Step-by-step explanation:

160+(15×40)= 760

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1) Which graph represents the equation y = 1/2x + 3<br> Plz help

kakasveta [241]

Answer:

Step-by-step explanation:

8 0

3 years ago

The estimate of the population proportion should be within plus or minus 0.02, with a 90% level of confidence. The best estimate

Rudiy27

Answer:

The sample size required is 910.

Step-by-step explanation:

The confidence interval for population proportion is:

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

The margin of error is:

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

Given:

$\hat p = 0.16\\MOE= 0.02\\Confidence\ level =0.90$

The critical value of <em>z</em> for 90% confidence level is:

$z_{\alpha /2}=z_{0.10/2}=z_{0.05}=1.645$ *Use a standard normal table.

Compute the sample size required as follows:

$MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }\\0.02=1.645\times \sqrt{\frac{0.16(1-0.16)}{n} }\\n=\frac{(1.645)^{2}\times 0.16\times (1-0.16)}{(0.02)^{2}} \\=909.2244\\\approx910$

Thus, the sample size required is 910.

5 0

4 years ago

Consider the markings on the triangles. Which congruence theorem could be used to prove that the two triangles are congruent? Ex

aleksley [76]

The congruent means Exactly equal in size and shape. Congruent sides or segments have the exact same length. Congruent angles have the exact same measure. For any set of congruent geometric figures, corresponding sides, angles, faces, etc. are congruent.

4 0

3 years ago

I don’t know someone help ASAP

fenix001 [56]

I think it’s the third one’s

3 0

4 years ago

What is the Lcm of 88 and 90

Anestetic [448]

Answer:

The LCM of 88 and 90 is 3960.

3 0

3 years ago

Read 2 more answers