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Mathematics

2 answers:

VARVARA [1.3K]2 years ago

6 0

Answer:

A horizontal line; a melting ice cube. Step-by-step explanation: A constant interval appears as a horizontal line

Step-by-step explanation:

A horizontal line; a melting ice cube. Step-by-step explanation: A constant interval appears as a horizontal line.

Llana [10]2 years ago

4 0

Answer:

a horozontal line a melting ice cube

Step-by-step explanation:

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Solve for the unknown side in the right triangle if b=24 and c=26 find a

cluponka [151]

Answer:

Option C

Step-by-step explanation:

Use the <u>Pythagorean Theorem</u> to find the unknown side.

$a^2+b^2=c^2$

<h3>We are given that:</h3>

b=24

c=26

We need to solve for a.

$a^2+24^2=26^2\\\\ \text {Solve Exponents:}\\\rightarrow 24^2 = 576\\\rightarrow 26^2 = 676\\\\a^2+576=676\\\rightarrow a^2+576-576=676-576 \text{ (Subtraction Property of Equality)}\\a^2=100\\\sqrt{a^2} =\sqrt{100} \text { (Take the square root on both sides.) }\\\\\boxed {a=100}$

<em>Option C should be the correct answer.</em>

3 0

3 years ago

Read 2 more answers

A simple random sample of size n=250 individuals who are currently employed is

Likurg_2 [28]

Answer:

$0.104 - 2.58\sqrt{\frac{0.104(1-0.104)}{250}}=0.054$

$0.104 + 2.58\sqrt{\frac{0.104(1-0.104)}{250}}=0.154$

The 99% confidence interval would be given by (0.054;0.154) . So we are confident at 99% that the true proportion of people that they did work at home at least once per week is between 0.054 and 0.154

Step-by-step explanation:

For this case we can estimate the population proportion of people that they did work at home at least once per week with this formula:

$\hat p = \frac{X}{n}= \frac{26}{250}= 0.104$

We need to find the critical value using the normal standard distribution the z distribution. Since our condifence interval is at 99%, our significance level would be given by $\alpha=1-0.99=0.01$ and $\alpha/2 =0.005$ . And the critical value would be given by: