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3 years ago

A:Alternate interior angles

Mathematics

2 answers:

Liono4ka [1.6K]3 years ago

8 0

Answer:

A, Alternate interior angles.

Step-by-step explanation:

There interior angles because there inside the parallel lines and they alternate/are positioned at the inner corners of the intersection line, they lie on opposite sides of the transversal line.

PilotLPTM [1.2K]3 years ago

7 0

Answer:

Vertically angles

Step-by-step explanation:

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What is 0.29 of 200 rounded to the nearest hundred

jekas [21]

Answer:

$100$

Step-by-step explanation:

Step 1: Make an expression

$200 * 0.29 = x$

$58 = x$

Step 2: Round

$58$

$100$

Answer: $100$

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3 years ago

Roselyn is a college student with two part-time jobs. She works a few hours a day at the college laboratory, which pays her at a

VladimirAG [237]

Answer:

15 hours.

Step-by-step explanation:

We first need to see how much money Rose would earn if she sold the 10 pendents, so we will multiply 4×10.

4×10=40

Now we know, she already has 40 dollars of the 160 dollars she needs.

To find out how much she needs left, we will subtract 40 from 160.

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3 years ago

To budget 15% of his income to savings, how much more money ww ruta

aalyn [17]

Answer:

Step-by-step explanation:

7. 1250 - 1050 = 200 remaining. so $ 200 split evenly between savings and entertainment.....means each gets $ 100.

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==================

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3 years ago

Ten engineering schools in the United States were surveyed. The sample contained 250 electrical engineers, 80 being women; 175 c

steposvetlana [31]

Answer:

There is a significant difference between the two proportions.

Step-by-step explanation:

The (1 - α)% confidence interval for difference between population proportions is:

$CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}$

Compute the sample proportions as follows:

$\hat p_{1}=\frac{80}{250}=0.32\\\\\hat p_{2}=\frac{40}{175}=0.23$

The critical value of z for 90% confidence interval is:

$z_{0.10/2}=z_{0.05}=1.645$

Compute a 90% confidence interval for the difference between the proportions of women in these two fields of engineering as follows:

$CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}$

$=(0.32-0.23)\pm 1.645\times\sqrt{\frac{0.32(1-0.32)}{250}+\frac{0.23(1-0.23)}{175}}\\\\=0.09\pm 0.0714\\\\=(0.0186, 0.1614)\\\\\approx (0.02, 0.16)$

There will be no difference between the two proportions if the 90% confidence interval consists of 0.

But the 90% confidence interval does not consists of 0.

Thus, there is a significant difference between the two proportions.

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3 years ago

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nalin [4]

Answer:

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Step-by-step explanation:

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