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Goshia [24]
3 years ago
6

Solve the equation a=m-n for the variable n.

Mathematics
2 answers:
amid [387]3 years ago
7 0
Our objective is to isolate n one side of the equation. The steps are as follows...

a=m-n
(Add n to both sides)
a+n=m-n+n
(The -n and +n cancel out, on the right side of the equation)
a+n=m
(Now subtract a from both sides)
a+n-a=m+a
(The +a and -a cancel out, on the right side of the equation)
n=m+a
postnew [5]3 years ago
5 0



a=m-n
Add m
a+m=-n
Divide by -1
a+m/-1=n
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Please help explanation if possible
Svet_ta [14]

Answer:

18.84 feet.  let me know if you have ay other questions.

Step-by-step explanation:

The way to find the formula for circumference is kinda complicated so it is best to ust memorize the formula, which is 2πr.  or 2 times pi times the radius.  

Your problem gives you the formula, but instead of 2 and r in it you have d, which is the diameter.

The diameter of the circle is 2 times the radius, so that's why it is replaced.

the radius is the distance from the center fo the circle to one edge, and the diameter is the distance through the circle passing through its center.  so it's the center to one end plus the center to another end.  or r+r which is also 2r.

So d = 2r, so in this problem d =6 feet.

So now the formula πd = 3.14*6 feet = 18.84 feet

7 0
3 years ago
I need this for a test Plz. I need this ASAP
Darina [25.2K]

Answer:

B

Step-by-step explanation:

cos(a) is AC/AB and sin(B) is AC/AB

6 0
2 years ago
What is the value of the following expression? <br> 7+18/(6-3)
daser333 [38]
7+18/(6-3)
7+18/3
25/3=8.333
5 0
2 years ago
If the ratio of a circle's sector to its total area is 3/8, what is the measure of its sector's arc?
mars1129 [50]
Imagine the area is 360 degrees, or 2\pi radians.

You would multiply it by (3/8) to get your answer.
6 0
3 years ago
Read 2 more answers
Without solving the equations which answer best describes the solutions.
telo118 [61]
ANSWER:
D. The answers will be different because after distributing the 4 in the first equation it will change the values.

Hope it helps u!
6 0
2 years ago
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