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3 years ago

10

gas mileage is the number of miles you can drive on a gallon of gasoline a test of a new car results in 390 miles on 20 gallons

of gas how far could you drive on 40 gallons of gas what is the car gas mile age

1 answer:

BartSMP [9]3 years ago

4 0

The answer to this equation is 780.

Step-by-step explanation:

If I understood the question correctly then all you have to do to solve this is add 390+390=780

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3 (x -1) = 5x +3 -2x

Vika [28.1K]

Steps to solve:

3(x - 1) = 5x + 3 - 2x

~Distribute left side

3x - 3 = 5x + 3 - 2x

~Combine like terms

3x - 3 = 3x - 3

~Subtract 3x to both sides

-3 = -3

~Add 3 to both sides

0 = 0

All real numbers are solutions.

Best of Luck!

6 0

3 years ago

The average value of a function f over the interval [−2,3] is −6 , and the average value of f over the interval [3,5] is 20. Wha

Xelga [282]

Answer:

The average value of $f$ over the interval $[-2,5]$ is $\frac{10}{7}$ .

Step-by-step explanation:

Let suppose that function $f$ is continuous and integrable in the given intervals, by integral definition of average we have that:

$\frac{1}{3-(-2)} \int\limits^{3}_{-2} {f(x)} \, dx = -6$ (1)

$\frac{1}{5-3} \int\limits^{5}_{3} {f(x)} \, dx = 20$ (2)

By Fundamental Theorems of Calculus we expand both expressions:

$\frac{F(3)-F(-2)}{3-(-2)} = -6$

$F(3) - F(-2) = -30$ (1b)

$\frac{F(5)-F(3)}{5-3} = 20$

$F(5) - F(3) = 40$ (2b)

We obtain the average value of $f$ over the interval $[-2, 5]$ by algebraic handling:

$F(5) - F(3) +[F(3)-F(-2)] = 40 + (-30)$

$F(5) - F(-2) = 10$

$\frac{F(5)-F(-2)}{5-(-2)} = \frac{10}{5-(-2)}$

$\bar f = \frac{10}{7}$

The average value of $f$ over the interval $[-2,5]$ is $\frac{10}{7}$ .

4 0

2 years ago

Free p0ints first come first serve

Ira Lisetskai [31]

Answer:

Tyty :)

Step-by-step explanation:

5 0

3 years ago

Pweasee help..❤!!!!!!!!!!

Y_Kistochka [10]

Answer: division property of equality

Step-by-step explanation:

8x = 80

You divide the number with the letter you are trying to find (x) on both sides, so 8 divided by 80, you get 10.

6 0

2 years ago

Another one that is even more confusing because it is a fraction.

kogti [31]

Answer:

2/16

Step-by-step explanation:

i just doubled he equation

7 0

3 years ago