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belka [17]
3 years ago
9

Choose the correct simplification of the expression 3 times m over n all raised to the fourth power.

Mathematics
2 answers:
OLEGan [10]3 years ago
8 0

Answer:

it would be the second option

Step-by-step explanation:

uysha [10]3 years ago
4 0

The answer is A. 81m^4 / n^4 AKA the first answer

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Mary can do a job in 80 minutes, Working with Jané, both can do the job in 30
LenKa [72]

Answer:

see below

Step-by-step explanation:

The equation to determine the work time is

1/a+1/b = 1/c  where a and b are the times alone and c is the time together

1/80 + 1/30 = 1/c

Multiply by the least common denominator to clear the fractions, which is 240c

240c(1/80 + 1/30 = 1/c)

3c+8c = 240

11c = 240

Divide by 11

11c/11 =240/11

c = 240/11 minutes

c=21.81818

Approximately 22 minutes

3 0
3 years ago
Point R is the midpoint of line segment XY. If XR=3n+1 and YR=16-2n, what is the length of line segment XY?
Kitty [74]
1) 3n+1=16-2n - add 2n to both sides - you should now be left with 5n+1=16 (remember the 2n gets canceled out) - subtract 1 from both sides - you should now be left with 5n=15 - now you divide by 5 to get n by itself - 15 divided by 5 is 3 - n=3 2) substitute n with 3 in to the original equation - so 3n+1=16-2n now becomes 3(5)+1=16-2(3) - you should get 10 for both so 10=10 3) according to the segment addition postualte , XR + YR = XY. - add 10+10 which stands for the lengths of XR and YR Answer - XY = 20
3 0
4 years ago
A net for a triangular prism. The bottom face has a length of 8 meters and height of 10 meters. The rectangular side faces have
yKpoI14uk [10]

Answer:

1.80

2.50

3.12

4.204

Step-by-step explanation:

Hope I helped even if I may be late TwT

6 0
3 years ago
Read 2 more answers
What is the answer????
Taya2010 [7]

Answer:

is the ability to do work

4 0
3 years ago
Tue function f is defined by f(x)=x^2-6x+21
Ilya [14]

the answer i got is in the image below

8 0
4 years ago
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