3 years ago

Evaluate expression when r= 9 3 (5r-3)-2 (6r-7)

Mathematics

1 answer:

Mama L [17]3 years ago

7 0

Answer:

Step-by-step explanation:

Substitute the value of the variable into the equation and simplify.

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2 years ago

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kondor19780726 [428]

Answer:

Step-by-step explanation:

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3 years ago

What is the slope of the line that contains the point (-1,8) and (5,-4) answer.com?

pshichka [43]

THE SLOPE IS -2

if we have the coordinates of two points on a line, we can find the slope with this formula:
$s = \frac{y2 - y1}{x2 -x1} = \frac{y1 - y2}{x1 - x2}$
so the slope is
$\frac{8 - ( - 4)}{ - 1 - 5} = \frac{12}{ - 6} = - 2$
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3 years ago

each of the letters of the word ALABAMA is written on a piece of paper and then put into a bag. A piece of paper is drawn at ran

Yanka [14]

Answer:

P(A) = 0.57 (to the nearest hundredth)

Step-by-step explanation:

There are 7 letters in total

4 of them are the letter A

⇒ P(A) = 4/7

= 0.5714285714...

= 0.57 (to the nearest hundredth)

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2 years ago

During a test, 3 out of 200 television sets were found to be defective. About how many defective sets would you expect out of 4,

pshichka [43]

Answer:

60?

Step-by-step explanation:

4000/200 = 20

20 × 3 =60

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3 years ago