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Contact [7]
1 year ago
13

What does 7m- m equal

Mathematics
1 answer:
Norma-Jean [14]1 year ago
4 0
7m-m\rightarrow7m-1m=m(7-1)\rightarrow6m

7m-m is equal to 6m.

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8. There are 3 people who work full-time and are to work together on a project, but their total time on the project is to be equ
Mama L [17]

Answer:

1/6 of the third workers time

Step-by-step explanation:

one of the people is budgeted for 1 /2 of his time to the project and a second person for 1/3 of her time

Let x be the third workers time

Let the completed job time = 1

Time taken for 3 workers to complete the job = 1

\frac{1}{2}+ \frac{1}{3} + x= 1

now we solve for x

LCD = 2*3 = 6

We multiply the whole equation by 6

\frac{1}{2}*6+ \frac{1}{3}*6 + x*6= *6

3 + 2 +6x = 6

5 + 6x = 6

subtract 5 on both sides

6x = 1

divide both sides by 6

x= \frac{1}{6}



5 0
3 years ago
If y varies directly as x squared and y = 72 when x =3, what is the value of y when x = 6? a. 18 b. 24 c. 288 d. 144 Please sele
kobusy [5.1K]

Answer:

it b why becaus

Step-by-step explanation:

7 0
2 years ago
Solve The Following Expression..<br><br>#No Spam..​​
Rainbow [258]

\\ \sf\longmapsto \dfrac{x+0.25}{3}-0.5=x

\\ \sf\longmapsto \dfrac{x+0.25-1.5}{3}=x

\\ \sf\longmapsto x-1.25=3x

\\ \sf\longmapsto x-3x=1.25

\\ \sf\longmapsto -2x=1.25

\\ \sf\longmapsto x=\dfrac{1.25}{-2}=-0.625

4 0
2 years ago
Read 2 more answers
If the whole is 1000 and the percent is 0.9 whats the part
FinnZ [79.3K]

Answer:

percentage of 0.9% of 1,000

8 0
2 years ago
Read 2 more answers
NO LINKS OR ELSE YOU'LL BE REPORTED!Only answer if you're very good at Math.No guessing please.
vlada-n [284]

Answer:  D) 154 degrees clockwise about point A

========================================================

Explanation:

We have n = 7 sides here, so this is a heptagon.

Assuming this is a regular heptagon, then we can say that 360/n = 360/7 = 51.4285714285714 is the angle in which we can rotate the figure to have it map onto itself.

What does that mean? It means that if we were to apply this rotation, then the "before" and "after" (aka preimage and image) will be identical.

The angle value 51.4285714285714 rounds to 51, and unfortunately none of the answer choices come closer to this.

But we can scale things up. Instead of doing 1 rotation, we can do 3 rotations of 51.4285714285714 degrees each to get 3*51.4285714285714 = 154.285714285714

The value then rounds to 154 degrees. This can happen clockwise or counterclockwise.

3 0
2 years ago
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