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2 years ago

Help me please (worth 20 point)

Mathematics

1 answer:

stealth61 [152]2 years ago

6 0

Answer:199---3

Step-by-step explanation:

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A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is less than

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Answer:

Lets take the hypothesis

zα/2 

- zα/2 

Step-by-step explanation:

α/2 = 0.10/2 = 0.05 

z(0.05) = 3.92 

-z(0.05) = -3.92 

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3 years ago

8 hundredths times 10

nexus9112 [7]

The correct answer is 0.8

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3 years ago

4 children want to share 10 submarine sandwiches so that everyone gets the same amount. How much can each child have?

kifflom [539]

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Each kid will get 2.5 submarine sandwiches

Step-by-step explanation:

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2 years ago

What is the first step needed to solve 3 over 4 multiplied by x minus 3 equals negative 18?

kodGreya [7K]

Minus 3 from the 3 and the 18

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3 years ago

Urgent, please i will give brainliest

Ne4ueva [31]

Answer:

1. $\frac{\sqrt{13} }{3}$

2. 3.2362

3. $\frac{60}{11}$

Step-by-step explanation:

Cot is the trigonometric ratio defined by "adjacent" over "opposite". So, adjacent = 2 and opposite = 3.

By pythagorean theorem, we have the "hypotenuse" as $\sqrt{2^2+3^2}=\sqrt{13}$

Csc is defined as the trig ratio "hypotenuse" over "opposite". We know the sides, so Csc $\theta$ = $\frac{\sqrt{13} }{3}$

First answer choice is right.

By definition, Csc $\theta$ is the inverse of Sine $\theta$ . If given the value of sin theta, to find value of csc theta, we take the reciprocal of it. Hence:

$Csc\theta=\frac{1}{0.3090}\\=3.2362$

Third answer choice is right.

By definition tan and cot are inverse of each other. So the value of tan is the reciprocal of the value of cot. We can simply "flip" the value of tan theta to get the value of cot theta. Hence:

$Cot\theta=\frac{60}{11}$

Third answer is right.

3 0

3 years ago

Read 2 more answers