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Dovator [93]
3 years ago
6

The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven. How many miles was a car driven if it ha

d a bill of $71.80?
479
312
454
645
Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0
312

71.80-25.00= 46.80

46.80÷ .15= 312
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Select a number that can complete the equation so that it has no solution. 6(x-7/6)=6x+__
BlackZzzverrR [31]
6(x - \frac{7}{6} ) = 6 x - 7 \\ 6x - 7 = 6x + ( - 7)
The answer is the third option, -7.

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7 0
3 years ago
Suppose an automobile manufacturer designed a radically new lightweight engine and wants to recommend the grade of gasoline that
Deffense [45]

Answer:

The F-statistic used to test the hypothesis that the miles per gallon for each fuel are the same is 4.07.

Step-by-step explanation:

There are four treatments in the data given, i.e. k = 4.

Total number of observations, n = 12.

Note: degrees of freedom is denoted as df.

For treatment, the degrees of freedom = k-1 = 4-1 =3 df.

The total degrees of freedom = n-1 = 12-1 = 11 df.

The error in degrees of freedom = df (total) - df(treatment)

The error in degrees of freedom = 11 - 3 = 8 df

At α = 0.05 level,from the F table, the F-statistic with (3 , 8)df is 4.07.

Therefore, the F-statistic used to test the hypothesis that the miles per gallon for each fuel are the same is 4.07.

8 0
3 years ago
Roger walked to 1/2 kilometer from his home to the park. Then he walked 200 meters in the park, and walked home. How far did he
Alex73 [517]
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7 0
3 years ago
Scott wants to cover his patio with concrete pavers. If the patio is shaped like a trapezoid whose bases are 11 feet and 13 feet
GenaCL600 [577]

<u><em>Answer:</em></u>

Scott will need 168 ft² of pavers to cover his patio

<u><em>Explanation:</em></u>

Scott wants to cover a trapezoid-shaped patio

<u>This means that:</u>

To get the number of square feet of pavers he'll need, we need to get the area of his patio

<u>Area of trapezium id calculated as follows:</u>

Area = \frac{base_{1}+base_{2}}{2} * height

<u>We are given that:</u>

base₁ = 11 ft

base₂ = 13 ft

height = 14 ft

<u>We now substitute with the givens to get the area as follows:</u>

Area = \frac{11+13}{2} * 14 = 168ft^2

<u>This means that:</u>

Scott will need 168 ft² of pavers to cover his patio

Hope this helps :)

5 0
3 years ago
5(y +2/5) = -13
Stells [14]

Answer:

y=-15

Step-by-step explanation:

5 0
3 years ago
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