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andreyandreev [35.5K]
2 years ago
5

I need some help with my homework so may someone help me not in a rush just need this done

Mathematics
1 answer:
Paladinen [302]2 years ago
6 0

Answer:

-25

Step-by-step explanation:

First he bought 3 tires which total costed 105, then returned 2, so he got $70 back, meaning he had $35. Then he found 2 $20 bills, which raised his total to $75. Then, he bought a phone for $90, so he has -25 dollars left

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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
2 years ago
The distance (d) in meters that an ant can travel varies directly with the amount of time (t) in hours it spends walking.assume
Assoli18 [71]

Answer:  d=18t

Step-by-step explanation:

By definition, Direct proportion equations have the following form:

y=kx

Where "k" is the constant of proportionality.

In this case you know that the distance (in meters) that an ant can travel varies directly with the amount of time (in hours) the ant spends walking.

With this information you can write the following equation:

d=kt

According to the exercise, the constant of proportionality is:

k=18

Therefore, substituting the value of the constant of proportionality into the equation, you get that  the equation that represents the proportional relationship between "d" and "t" is:

d=18t

4 0
3 years ago
You people in the Algebra 1 course for high school, Are you guys ready for the exams next week? I'm definitely not. Anyway, A ba
Anvisha [2.4K]

Answer:

I think that it D

Step-by-step explanation:

C= .07=70%. So I know that it is not C

A= 30% but the question doesn't even have a 3 in it, so therefore it cannot be A.

B= Is basically the same concept as A. There is no .3 or 3 peroid.

So I say D

4 0
2 years ago
The cosine of the complimentary angle to 58 degrees
lana [24]
Yes
Divide it by sixty and multiply
I hope this helps
5 0
2 years ago
Please graph these dont have time to finish
Alexxx [7]
Sorry my points are messed up, but i hope you can see through the mess and get your points graphed!
•
i hope this helps!

5 0
2 years ago
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