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lora16 [44]
3 years ago
9

The small submarine is at –1,320 feet in relation to sea level. The submarine needs to be 180 feet below sea level in 60 minutes

.
Complete the statement to describe the movement of the submarine.

The submarine needs to move
,
so the rate at which the submarine needs to move is
.

Mathematics
2 answers:
alexandr402 [8]3 years ago
3 0

Answer:

The submarine needs to move up, so the rate the submarine needs to move is positive.

KatRina [158]3 years ago
3 0

Answer: The submarine needs to move up, so the rate the submarine needs to move is positive.

Step-by-step explanation:

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Do men’s voting preferences differ significantly from women’s voting preferences?"" Use a level of significance of α = 0.05. Whi
baherus [9]

Answer:

<em>H₀</em>: The voting preference of men and women are not different.

<em>Hₐ</em>: The voting preference of men and women are not different.

Step-by-step explanation:

A hypothesis test for two proportions can be used to determine whether the preference of men differ from women in case of voting.

A Chi-square test contingency table can be used to perform the test.

The hypothesis can be defined as:

<em>H₀</em>: The voting preference of men and women are not different.

<em>Hₐ</em>: The voting preference of men and women are not different.

The test statistic is:

\chi^{2}=\frac{Row\ total\times Column\ total}{N}

Decision rule:

If the <em>p</em>-value of the Chi-square test statistic is less than the significance level <em>α</em> = 0.05 then the null hypothesis will be rejected. And if the <em>p</em>-value is more than the significance level then the null hypothesis will not be rejected.

8 0
3 years ago
4xy+4x-6y-6 factored completely
Aneli [31]

Answer:

(4x - 6)(y + 1)

Step-by-step explanation:

Group them: (4xy + 4x) (-6y - 6)

Take out the greatest common factor for both:

4x(y + 1)  -6(y + 1)

Put it together: (4x - 6) (y + 1) (y + 1)

Since there are two (y + 1)'s, you can get rid of one, giving you:

(4x - 6) (y + 1)

3 0
4 years ago
What would the total bill be of a lunch that cost &amp;7.99 with a tax rate of 7%
Nana76 [90]
Hello Basketballlover28,

Answer:

Price: $ 7.99

Sales Tax (7%): $ 0.56

Total: $ 8.55
5 0
4 years ago
Solve for n.<br> 4 x n= 21.6
Kay [80]

Answer:

n = 5.4

Step-by-step explanation:

Equation:  4n = 21.6

To solve this equation for n, divide both sides by 4 to get n by itself.

<u />

<u>Step 1:  Divide both sides by 4</u>

4 * n / 4 = 21.6 / 4

n = 5.4

Answer:  n = 5.4

3 0
3 years ago
Read 2 more answers
Is 15/20 a half or a whole?
Arte-miy333 [17]

Answer:

15/20 is neither its 3-quarters

Step-by-step explanation:

15/20 is 3/4 which is 75% therefore...

3 0
3 years ago
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