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Reptile [31]
3 years ago
6

Solve this inequality for x: -46 -8x >22.

Mathematics
2 answers:
Furkat [3]3 years ago
8 0

Step-by-step explanation:

-46 - 8x > 22: Original problem

-46 - 8x + 46 > 22 + 46: Bringing all the constants to one side of the inequality

-8x > 68: Simplification

x < 68/-8 : You have to flip the inequality symbol because you are dividing by                                

                  a negative number..

x< -8.5 : The answer!!!!!

Checking your answer....

-46 - 8x > 22 : Original problem

-46 - 8(-8.5) > 22 : Substitution

-46 + 68 > 22 : Simplification

22 > 22 : Answer check successful!!!

(22 is not greater than 22 but we know that the answer cannot be -8.5 because the inequality states that x is less -8.5. This process was only for the purpose of checking not for the purpose of proving)

Hope this helps!!!!

olga2289 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

The key to answering this is to know that the only time you'll change the direction of the sign is when you multiply or divide by a negative number.

-46 - 8x > 22

-8x > 22 + 46

-8x > 68

x < 68/-8        (we divided by -8 so the inequality changed direction)

x < -17/2

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6 0
3 years ago
there are 750 students in class 7 and 625 students in class 8 what percent is class 7 of the class 8?
Leno4ka [110]
750 is ?% of 625

<em>Y = ?% * X</em>

Solving our equation for ?
?% = Y/X
?% = 750/625
? = 1.2

Convert decimal to percent:
<span>?% = 1.2 * 100 = 120%
</span>
Class 8 is 120% of Class 7.

If you want the percent of Class 8 to Class 7, it is:
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<em> = ?% * X</em>

Solving the equation for ?
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Convert decimal to percent:
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6 0
3 years ago
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MrRa [10]

Answer:

Step-by-step explanation:

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4 0
2 years ago
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erma4kov [3.2K]

Answer:

False

Step-by-step explanation:

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Answer: False

5 0
2 years ago
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