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blagie [28]
3 years ago
11

In 1992, Jason bought a gallon of gas for $1.25. Yesterday, he bought a gallon of gas for $2.16. What is the percentage increase

of the price of a gallon of gas from 1992 to yesterday? If necessary, round to the nearest tenth of a percent.
A.
27.2%
B.
72.8%
C.
57.9%
D.
42.1%
Mathematics
2 answers:
garik1379 [7]3 years ago
6 0
The answer is B. 72.8
vazorg [7]3 years ago
3 0

Answer:

72.8

Step-by-step explanation:

IDRK but all i know here is that its not the same for everyone

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If f(x) = 3x - 9 and g(x) = x², what is (gºf)(5)?​
Xelga [282]

Answer:

36

Step-by-step explanation:

Here, f(x) is the input to g(x), forming a composite function.

To evaluate  (gºf)(5),

1) find the value of f(5).  It is f(5) = 6.

2) Use this result as the input to g(x):  g(6) = (6)^2 = 36

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3 years ago
Jermaine got an 84% on a math test. If the test had 25 questions, how many
julia-pushkina [17]

Answer:

21

Step-by-step explanation:

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6 0
3 years ago
6.
larisa86 [58]

A. Every month Population will increase by a factor of 0.84%.

B.  Every 3 months Population will increase by a factor of 2.5%.

C. Increase in population in every 20 months is 10% + 6.72% = 16.72%.

<u>Step-by-step explanation:</u>

Here, we have  number of employees in a company has been growing exponentially by 10% each year. So , If we have population as x in year 2019 , an increase of 10% in population in 2020 as  x + \frac{x}{100}\times10 which is equivalent to \frac{11x}{10}.

<u>A.</u>

For each month: We have 12 months in a year and so, distributing 10% in 12 months would be like \frac{10}{12}  = 0.84 . ∴ Every month Population will increase by a factor of 0.84%.

<u>B.</u>

In every 3 months: We have , 12 months in a year , in order to check for every 3 months  \frac{12}{3} = 4 and Now, Population increase in every 3 months is \frac{10}{4}  = 2.5.  ∴ Every 3 months Population will increase by a factor of 2.5%.

<u>C.</u>

In every 20 months: We have , 12 months in a year in which increase in population is 10% . Left number of moths for which we have to calculate factor of increase in population is 20-12 = 8. For 1 month , there is 0.84% increase in population ∴ For 8 months , 8 × 0.84 = 6.72 %.

So , increase in population in every 20 months is 10% + 6.72% = 16.72%.

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3 years ago
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Answer:

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Step-by-step explanation:

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