On a car trip Sam drove m miles Kara drove twice as many miles as Sam and Darin drove 20 fewer miles than Kara in terms of m many miles did Darin drive

Answers

Answer 1

Answer:

Answer:

Darin drove '2m - 20' miles.

Step-by-step explanation:

We are given that Sam drove 'm' no. of miles.

As, it is also given that Kara drove twice as many miles as Sam. Therefore we get that Kara drove '2m' no. of miles.

Now, it is given that Darin drove 20 miles fewer than Kara .i.e. Darin drove '2m - 20' no. of miles.

Hence, in terms of m, Darin drove '2m - 20' miles.

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The weight of 8 science books is 28 pounds. What is the weight of 11 science books? The weight of 11 science books is..

Answers

28 ÷ 8 = 3.5 × 11 = 38.5

First you need to find out how much one science book ways. to do this, you divide the weight by the number of books. 28 divided by 8. that is 3.5.

The next step is to figure out how much 11 books weigh. you take the weight of one book (3.5) and multiply it by the amount of books (11).

the answer is 38.5 pounds.

What is the value for n-(-5)=35

Answers

n - (-5) = 35
n = 35 + (-5)
n = 30

Answer: 30

Answer:

Step-by-step explanation:

Here goes problem 4 i need help

Answers

The only tricky thing about this problem is that you have to know
the formula for the area of a triangle. The formula is

   Area of a triangle = (1/2) times (length of the base) times (the height) .

In this picture, 'x' is the base, and 'h' is the height. That's all you need
in order to find the area. You don't need to know 'y' or 'z' at all.

   Area = (1/2) x (base) x (height)

   = (1/2) x (13) x (6)

   = (1/2) x ( 78 ) = 39 inches²

multiply 13*6=78 then multiply with .5 (78*.5=39)

Show me 475 in expanded form

Answers

400+70+5 because 400 is in the hundreds place and 70 in the tens place while 5 is in the ones place.

400+90+0+5 is the answer

Slope of the line that passes through points (-3,4) and (5,-1)

Answers

when hav epoins (x1,y1) and (x2,y2)
slope is (y2-y1)/(x2-x1)

(-3,4) and (5,-1)
slope=(-1-4)/(5-(-3))=-5/(5+3)=-5/8

slope=-5/8

How do i write and a expression for 5 times the number 25 and then subtract the quotient of 14 and 7. i'm confused!?

Answers

"5 times the number 25" is just 25 multiplied 5 times. Then "the quotient of 14 and 7" is just 14 divided by seven. You need the parenthesis because of the PEMDAS rule. Am expression is nt the same as an equation. An equation has an equals sign, an expression does not. So the final expression would be:

(5 x 25) - (14 / 7)

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A box of cereal has a width of 4 inches, and a length of 8 inches and a height of 12 inches. What is the volume of the box, in cubic inches? Use the formula , where V represents the volume, l represents the length, w represents the width, and h represents the height.

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One bag of chocolate chips holds 2 cups. If you buy five bags, how many cups of chips will you have left over after baking 2 1/2 batches of cookies?