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3 years ago

a car can drive 600 miles on 18 gallons of gasoline. How many miles can a car drive on 15 gallons of gasoline

2 answers:

5 0

It would be about 500 miles. if you divide 600 by 18 to get the miles for 1 gal (about 33.3). then you multiply it by 15 to get the 500 (499.5 rounded up)

PolarNik [594]3 years ago

3 0

Answer:

Use the cross technique if it’s name like that in English but , I wish you can understand it from what I‘ve written .

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How do I simplify this expression <br> (4x-y) (4x+y)

Oxana [17]

Answer:

16^2 - y^2

Step-by-step explanation:

First you need to distribute the (4x - y) to the other numbers. So we'll distribute it one by one, to make it easier. So taking the 4x from (4x - y), you need to distribute it to (4x + y). So 4x × 4x is 16^2. That's the first part, now we need to distribute the 4x to the positive y, which is 4xy. Now we work on the negative y from (4x - y). Distribute the -y to (4x + y). So -y × 4x = -4xy, and -y × y = -y^2. So now you should have the numbers, 16x^2 + 4xy - 4xy - y^2. The positive 4xy and negative 4xy cancel out so that would just be 0, so you can take that out. Now you should have 16^2 - y^2, and that's the simplified expression.

7 0

3 years ago

Course Grade You were 6 points shy of a B in yo

Oksanka [162]

The point total possible for the given course is equal to 500.

What is a Percent?

A ratio whose second term is 100 is known as a percent.
Parts per hundred are used in percentages.
The mathematical representation of percent is %.
The percent formula is given as, $x=p \times b$ , where b is the base number, x is the number being compared to b, and p is the percent in decimal form.

In the question, it is given that you were 6 points shy of a B and the current total points you have is 394.

So, the total number of points you require for a B is calculated as,

$394+6=400$

So, the value of x is 400.

It is given that you need 80% of the course total for a B.

$\implies p=\frac{80}{100}\\ \implies p=0.8$

Here, we have to find the base number (b).

We have, x = 80% of b

$\implies x=0.8 \times b\\\implies 400= 0.8 \times b\\\implies x=\frac{400}{0.8}$

Simplifying, we get

$x=500$

Therefore, 500 points were possible in the course.

To learn more about the percent from the given link

brainly.com/question/24877689

#SPJ1

6 0

1 year ago

InWrite the equation of the line that passes through (7, - 4) and (- 1, 2) slope- intercept form.

blondinia [14]

Answer:

General Equation of a Line

$General Equation \\(y - y_{1} )= m (x-x_{1}) \\Slope=m= \frac{x_{2}-x_{1} }{y_{2}-y_{1} } \\\\Given:\\p_{1}=(7,-4)\\p_{2}=(-1,2)\\Solution:\\m=(\frac{-1-7}{2-(-4)}) =\frac{-8}{6}\\y-(-4) = (\frac{-8}{6} )(x-7)\\y+4=\frac{-8x}{6} + 56\\y=\frac{-8x}{6} + 52 \\\\The\\ equation \\ is \\ y=\frac{-8x}{6} + 52$

Step-by-step explanation:

Find the slope first and then place the values on the general formula. The final step is to solve for y

5 0

3 years ago

A new type of pump can drain a certain pool in

katrin2010 [14]

So, we can say that the new pump is 1 and the old pump is 1.5 less efficient as the new pump. With this, is we were to say two of the new pumps, it would be 5 hours. However, because one is an old pump it would be 7.5 hours

8 0

3 years ago

Read 2 more answers

Riley is going to buy a television for $444.50 plus tax the sale for tax is 6.5%

bonufazy [111]

Answer:

Step-by-step explanation:

444.50 * 6.5% = 28.89

444.50 + 28.89 = 473.39

8 0

3 years ago

a car can drive 600 miles on 18 gallons of gasoline. How many miles can a car drive on 15 gallons of gasoline​

a car can drive 600 miles on 18 gallons of gasoline. How many miles can a car drive on 15 gallons of gasoline