3 years ago

The sum of 3 times a number and -4 is at least twice the number plus 8

2 answers:

icang [17]3 years ago

5 0

3x - 4 > 2x + 8

3x - 2x > 8 - 4

x > 4

klio [65]3 years ago

4 0

3x+(-4) < _2x+8
The sign should have a line under.
I tried to depict it as much as possible. The second X is the answer to the first line

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Viktor [21]

<h3>Answer: 62 (choice C)</h3>

Work Shown:

f(x) = 5x^2 - x + 20

f(3) = 5(3)^2 - 3 + 20

f(3) = 5(9) - 3 + 20

f(3) = 45 - 3 + 20

f(3) = 42 + 20

f(3) = 62

4 0

2 years ago

nikitadnepr [17]

Side a is 49
side c is 121
121-49 is 72
72 squared is your x

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4 years ago

Lera25 [3.4K]

the answer is 58 8.........

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4 years ago

tatyana61 [14]

Answer:

It would take 12 men 4.5 (four and a half) days to do the same amount of work as the 9 men in 6 days.

Step-by-step explanation:

9 is 75% of 12 (12*.75=9) if they work at the same rate it would take 75% of the time it did for the 9 men (6hrs*.75=4.5)

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3 years ago

Vesna [10]

Transitive property

4 0

3 years ago