3 years ago

Please I need help ;-;

Mathematics

1 answer:

Stella [2.4K]3 years ago

5 0

Answer:

x>8<12

Step-by-step explanation:

it is the inequality

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Solve for x. Show each step of the solution. Show all work. 4.5(8-x)+36-2.5(3x+24)=102

sergejj [24]

4.5(8 - x) + 36 = 102 - 2.5(3x + 24)

36 - 4.5x + 36 = 102 - 7.5x - 60

72 - 4.5x = 42 - 7.5x

-4.5x + 7.5x = 42 - 72

3x = - 30

x = -30/3

x = -10 <===

Hope this helps!

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3 years ago

Isabel drove 864 miles in 12 hours.<br> At the same rate, how many miles would she drive in 7 hours?

lyudmila [28]

Answer:

504 miles

Step-by-step explanation:

Make a proportion

$\frac{864}{12}$ = $\frac{x}{7}$

7/12 is 0.5833, so multiply 864 by that to find the number of miles

864(0.5833) = 504

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3 years ago

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forsale [732]

Answer:

911

Step-by-step explanation:

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3 years ago

The number of games in the first round of a chess tournament is equal to 2×2×2×2×2×2. Write the number of games using an exponen

Naily [24]

Answer:

2^6

Step-by-step explanation:

2 is being multiplied 6 times meaning it would be 2 to the 6th power.

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3 years ago

-5х + Зу = -8<br> 3х - 7y = -3<br> Ordered pair

tatiyna

Answer:

1. y= 2x-5

2. y= x+3

3. y=2x+7

Step-by-step explanation:

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2 years ago