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4 years ago

Kyle drove his car 250 miles on 20 gallons of gas. How many miles per gallon did Kyle average?

Mathematics

2 answers:

weqwewe [10]4 years ago

6 0

Answer:

Step-by-step explanation:

250 divided by 20= 12.5

So 12.5 miles per gallon.

-Dominant- [34]4 years ago

3 0

12.5. The answer ask for how many miles in 1 gallon. So, you do 250 divided by 20. 250 divided by 20 is 12.5, so he will drive 12.5 or 12 1/2 miles using each gallon of gas.

ANSWER : 12.5 or 12 1/2

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Given the function below, find f (3/2). f(x) = 2x^2 - 7x

kenny6666 [7]

Answer:

3 has to be 3

Step-by-step explanation:

n neg so 3

4 0

2 years ago

In a Gallup poll of randomly selected adults, 66% said that they worry about identity theft. For a group of 1013 adults, the m

Lady_Fox [76]

Answer: 669

Step-by-step explanation:

Given, In a Gallup poll of randomly selected adults, 66% said that they worry about identity theft.

i.e. The proportion of adults said that they worry about identity theft. (p) = 0.66

Sample size : n= 1013

Then , Mean for the sampling distribution of sample proportion = np

= (1013) × (0.66)

= 668.58 ≈ 669 [Round to the nearest whole number]

Hence, the mean of those who do not worry about identify theft is closest to 669 .

7 0

3 years ago

Angles of a polygon thanks

tino4ka555 [31]

Answer:

900 degrees

Step-by-step explanation:

Use the formula for interior angles

Sum = (n - 2) x 180

Sum = (7 - 2) x 180

Sum = 5 x 180

Sum = 900 degrees

If this answer is correct, please make me Brainliest!

3 0

3 years ago

Find the particular solution of the differential equation that satisfies the initial condition(s). f ''(x) = x−3/2, f '(4) = 1,

sweet [91]

Answer:

Hence, the particular solution of the differential equation is $y = \frac{1}{6} \cdot x^{3} - \frac{3}{4}\cdot x^{2} - x$ .

Step-by-step explanation:

This differential equation has separable variable and can be solved by integration. First derivative is now obtained:

$f'' = x - \frac{3}{2}$

$f' = \int {\left(x-\frac{3}{2}\right) } \, dx$

$f' = \int {x} \, dx -\frac{3}{2}\int \, dx$

$f' = \frac{1}{2}\cdot x^{2} - \frac{3}{2}\cdot x + C$ , where C is the integration constant.

The integration constant can be found by using the initial condition for the first derivative ( $f'(4) = 1$ ):

$1 = \frac{1}{2}\cdot 4^{2} - \frac{3}{2}\cdot (4) + C$

$C = 1 - \frac{1}{2}\cdot 4^{2} + \frac{3}{2}\cdot (4)$

$C = -1$

The first derivative is $y' = \frac{1}{2}\cdot x^{2}- \frac{3}{2}\cdot x - 1$ , and the particular solution is found by integrating one more time and using the initial condition ( $f(0) = 0$ ):