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2 years ago

13

Evaluate (x+40)/2^3 when x=8

1 answer:

professor190 [17]2 years ago

3 0

Answer:

6. my bad is it wrong

Step-by-step explanation:

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it rained 2.79 inches in july. What was the average daily rainfall in July? (Hint: July has 31 days.)

natali 33 [55]

Rainfall in July = 2.79 inches.

July has 31 days.

2.79 : 31 = x : 1 Set up the proportion

2.79 / 31 = x/1 Cross multiply and switch.

2.79*1 / 31 = x Do the division

0.09 inches = x Answer

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3 years ago

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MATH HELP!!!!!<br><br> If y = 15 when x = 2, what is the value of x when y = 7?

Ede4ka [16]

<u>Direct Variation:</u> $\frac{y}{x} = k$

$\frac{15}{2} = k$

when y = 7: $\frac{7}{x} = \frac{15}{2}$

14 = 15x

$\frac{14}{15} = x$

<u>Inverse variation:</u> y*x = k

15 * 2 = k

30 = k

when y = 7: 7 * x = 30

$x = \frac{30}{7}$

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3 years ago

Can u please help me list it greatest to least

san4es73 [151]

Greatest to least is 3 1/2 , 3 , 1/3 , 0.3 , 0.03

Hope im right

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3 years ago

find the slope of the line passing through each pair of points or state that the slope is undefined. then indicate weather the l

Travka [436]

Give me one minute
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3 years ago

7z= 21<br> 2x + 3y – z =-2 x=_y=_2=<br> x + 2y + 3z = 9

lbvjy [14]

Answer:

1) 7(3) = 21

Step-by-step explanation:

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3 years ago