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natka813 [3]
3 years ago
9

7 – 14m = 2m – 5 . Please help! Whoever gets it right gets the brainliest.

Mathematics
2 answers:
Nonamiya [84]3 years ago
4 0

Answer:

m= 3/4

Step-by-step explanation:

add -14m to 2m and get 16m and add -5 to 7 and get 12

should look like 12=16m then divide 12/16 and get .75

VLD [36.1K]3 years ago
3 0

Answer:

your answer will be m= 1.

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Ok I have math hw , and we are doing solving systems of linear equations by graphing and i can’t find where these two lines inte
likoan [24]

Answer:

Line 1, y=-3, x=-3

Line 2, y=2, x=1 1/3

Step-by-step explanation:

6 0
3 years ago
The sum of the first three terms of an arithmetic sequence is 108, and the sum of the next three terms is 183. what is the value
qaws [65]
The key is to find the first term a(1) and the difference d.

in an arithmetic sequence, the nth term is the first term +(n-1)d
the firs three terms: a(1), a(1)+d, a(1)+2d
the next three terms: a(1)+3d, a(1)+4d, a(1)+5d,
a(1) + a(1)+d +a(1)+2d=108
a(1)+3d + a(1)+4d + a(1)+5d=183

subtract the first equation from the second equation: 9d=75, d=75/9=25/3
Plug d=25/3 in the first equation to find a(1): a(1)=83/3

the 11th term is: a(1)+(25/3)(11-1)=83/3 +250/3=111

Please double check my calculation. <span />
4 0
3 years ago
The figure is made up of two shapes, a semicircle and a square.
kolbaska11 [484]
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6 0
3 years ago
Keisha the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the
gregori [183]

Answer:

Plan A last 0.75 hours or 45 minutes.

Plan B last 1.5 hours or 90 minutes.

Step-by-step explanation:

Let a be the number of hours that the plan A last, an b the number of hours of plan B. Then for the Wednesday you have:

2a+3b=6

And for the Thursday is:

6a+5b=12

Multiply the equation of Wednesday by -3:

-6a-9b=-18

Using the method of addition using this last equation and the equation of Thursday

-6a-9b=-18\\6a+5b=12\\--------\\-4b=-6\\b=\frac{-6}{-4}\\b=1.5 hours

Replacing the value of b in one of the equations

6a+5b=12\\6a+5(1.5)=12\\6a+7.5=12\\6a=12-7.5\\a=\frac{4.5}{6} \\a=0.75hours

6 0
3 years ago
9. Which pair of equations below represent perpendicular lines?
natima [27]
A is correct. ...................................................
8 0
3 years ago
Read 2 more answers
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