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Ber [7]
3 years ago
7

If mark has 3 friends help him paint his garage it will take 60 minutes how long will it take if he has 4 friends help him

Mathematics
1 answer:
olga2289 [7]3 years ago
4 0

Answer:

40 minutes

Step-by-step explanation:

hope this will help :)

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No links!!! A student population in a school was 972. Next year they are projected to have a 25% increase in student population.
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Answer:

1215

Step-by-step explanation:

If you have a 25% or 1/4 increase, this would mean that you divided the total number of students and add the quotient to the main thing.

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Determine whether the points (–3,–2) and (3,2) are in the solution set of the system of inequalities below. y ≤ ½x + 2 y < –2
lana [24]

Given:

The system of inequalities:

y\leq \dfrac{1}{2}x+2

y

To find:

Whether the points (–3,–2) and (3,2) are in the solution set of the given system of inequalities.

Solution:

A point is in the solution set of the given system of inequalities if it satisfies both inequalities.

Check for the point (-3,-2).

-2\leq \dfrac{1}{2}(-3)+2

-2\leq -1.5+2

-2\leq 0.5

This statement is true.

-2

-2

-2

This statement is also true.

Since the point (-3,-2) satisfies both inequalities, therefore (-3,-2) is in the solution set of the given system of inequalities.

Now, check for the point (3,2).

2

2

2

This statement is false because 2>-9.

Since the point (3,2) does not satisfy the second inequality, therefore (3,2) is not in the solution set of the given system of inequalities.

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Find the value of a for which the solution of the inequality is all real numbers
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Answer:

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Step-by-step explanation:

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