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Korolek [52]
2 years ago
14

Cycle City charges an initial price of $15 plus $0.75 per hour for bike rentals, which is represented by the expression 15 + 0.7

5h.
Complete each statement to describe the terms.

The variable h represents ______.
The constant 15 represents ______.
The variable term 0.75h represents _____.

Help plss! <3​
Mathematics
2 answers:
daser333 [38]2 years ago
5 0

Answer:

18

H = cost per hour

15 = the rental price

0.75H = the hourly rental

Step-by-step explanation:

H = Cost per Hours

H = 15 + 0.75H

H = 15 + 0.75 * 4

H = 15 + 3

H = 18

Alecsey [184]2 years ago
3 0

Answer:h, initial payment, amount paid per hour

Step-by-step explanation: the h is the amount of hours that you will pay 0.75 cents for and the 15 ID the amount of money that cycle city charges for you to even get a bike

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Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
In selecting a sulfur concrete for roadway construction in regions that experience heavy frost, it is important that the chosen
Lesechka [4]

Step-by-step explanation:

Given - In selecting a sulfur concrete for roadway construction in regions that experience heavy frost, it is important that the chosen concrete has a low value of thermal conductivity in order to minimize subsequent damage due to changing temperatures. Suppose two types of concrete, a graded aggregate and a no-fines aggregate, are being considered for a certain road. The table below summarizes data on thermal conductivity from an experiment carried out to compare the two types of concrete.

Type            ni                xi                  si

Graded       42           0.486            0.187

No-fines      42           0.359           0.158

To find - a. Formulate the above in terms of a hypothesis testing problem.

b. Give the test statistic and its reference distribution (under the null hypothesis).

c. Report the p-value of the test statistic and use it to assess the evidence that this sample provides on the scientific question of difference in mean conductivity of the two materials at the 5% level of significance.

Proof -

a.)

Hypothesis testing problem :

H0 : There is significant difference between mean conductivity for the graded concrete and mean conductivity for the no fines concrete.

H1 : There is no significant difference between mean conductivity for the graded concrete and mean conductivity for the no fines concrete.

b)

Test statistic :

Z = \frac{x_{1} - x_{2} }{\sqrt{\frac{s_{1} ^{2} }{n_{1}}  + \frac{s_{2}^{2} }{n_{2}} } }

Z = \frac{0.486 - 0.359 }{\sqrt{\frac{0.03496 }{42}  + \frac{0.02496 }{42} } }

Z = \frac{0.127 }{\sqrt{0.001468}}

Z = \frac{0.127 }{0.0377}

⇒Z(cal) = 3.3687

Z(tab) = 1.96

As Z (cal) > Z(tab)

So, we reject H0 at 5% Level of significance

p-value = 0.99962

Hence

There is significant difference in mean conductivity at the two materials.

5 0
2 years ago
How do u do this problem 1/2x-1/4y=10 1/8x-1/8y=19?
Blababa [14]
I hope this helps you

3 0
3 years ago
One baseball team won 15 games throughout their entire season. Of all their games, this
Alex_Xolod [135]

Answer:

20

Step-by-step explanation:

To get the answer, you have to find what number 15 is 75 percent of.

3 0
3 years ago
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