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Ksivusya [100]
3 years ago
5

How do I solve this and what is the answer?

Mathematics
1 answer:
DanielleElmas [232]3 years ago
8 0

Answer:

You use PEMDAS.

Step-by-step explanation:

If you dont know what that is, its the process used for long multistep equations like that :  Parenthesis, Exponents, Multiplication, Division, Addition, then Subtraction. You solve all of those in order (if they are included in the problem). So for this you would solve one side of the inequality sign first using this order, then the other side and BAM! you've solved this problem.

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Andrew fish tank holds 144 gallons of water. To clean the tank, he drains the water at a rate the water at a rate of 6 gallons p
Kobotan [32]

Answer:

8 minutes

Step-by-step explanation:

Since the level of the tank needs to be at two-thirds its original level, then this means that Andrew needs to drain only one-third of the fish tank. Therefore the amount of time it would take can easily be solved with this 2-step equation...

6t = 144 * \frac{1}{3} .... first multiply the right side of the equation

6t = 48   ... next divide both sides by 6

t = 8

Finally, we can see that it will take Andrew 8 minutes to drain the tank to two-thirds of its original level.

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3 years ago
A mean average of 70 or better on five exams is needed for a final grade of C. Jeffery Matthews first four exam grades are 75, 6
erastova [34]

Answer:38

Step-by-step explanation:

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3 years ago
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saul85 [17]

Answer:

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Step-by-step explanation:

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What is the answer to...<br> 70 - 6 × (4 - 1)2
elixir [45]

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Step-by-step explanation:

5 0
3 years ago
Math Question :
saw5 [17]
Let x = amount of mortgage (aka the amount by the bank)

25% of the monthly income of $3000 is 0.25*3000 = 750 dollars

So using this rule, the family can pay up to $750 per month on mortgage

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x = 75000

Therefore, the most expensive mortgage this family can afford is $75,000. Anything higher and they go over budget.
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