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labwork [276]
3 years ago
13

Solve for m: 3m - 5r = 2n + 7

Mathematics
2 answers:
Scilla [17]3 years ago
8 0
M = 6n + 21 + 15r 

Should be right

Elenna [48]3 years ago
5 0
M= 5/3r + 2/3n + 7/3 or m= 1 2/3r + 2/3n + 2 1/3
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PLEASE, I NEED HELP WITH THIS QUESTION!!!!
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Step-by-step explanation:

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3 years ago
Veronica is choosing between two health clubs. After how many months will the total cost for each health club be the​ same? Yoga
sergiy2304 [10]

Answer:

14.02

Step-by-step explanation:

You'd have to write equations for the price per month for each club.

Let  x  equal the number of months of membership, and  y  equal the total cost.

Club A's is  y = 24x + 21.50 and Club B's is  y = 17.25 x + 41.00 Because we know that the prices,  y , would be equal, we can set the two equations equal to each other.

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. We can now solve for  x  by isolating the variable.

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divide 1.39 both sides

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4 0
3 years ago
A running group has 38 members. Each group member completed half marathon (13.1 miles). The average time to complete is 110 minu
Vikki [24]

Answer:

They took 4,180 minutes total to complete the course.

Step-by-step explanation:

The average time is given by the sum of each individual time of the members divided by the number of members on the group. So if we want to know the total time they took to complete the course we need to take the average and multiply it by the number of people in the group. So we have:

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8 0
3 years ago
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liberstina [14]

Answer:

the cost of a liter of milk is $0.75

the cost of a loaf of bread is $1.75

Step-by-step explanation:

Let

x------> the cost of a liter of milk

y------> the cost of a loaf of bread

we know that

------> equation A

------> equation B

Multiply equation A by

-------> equation C

Multiply equation B by

------> equation D

Adds equation C and equation D

Find the value of x

substitute the value of y in the equation A

4 0
3 years ago
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