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Amiraneli [1.4K]
3 years ago
10

Which Expression is Equivalent to the given expression? (4m^2n)^2/2m^5n

Mathematics
1 answer:
Daniel [21]3 years ago
7 0

Answer:

D. 8 {m}^{ - 1} n

Step-by-step explanation:

\huge \frac{(4 {m}^{2} n)^{2} }{2 {m}^{5}n }  \\   \\  \huge=  \frac{16 {m}^{4}  {n}^{2} }{2 {m}^{5}n }  \\  \\  \huge = 8 {m}^{4 - 5}  {n}^{2 - 1}  \\  \\   \huge \purple{ \boxed{= 8 {m}^{ - 1} n}}

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I need help in math :(
IgorLugansk [536]
B. 8 1/5 is the answer
7 0
3 years ago
Read 2 more answers
Two cyclists start at the same point and travel in opposite directions. One cyclist travels 4 km per hour faster than the other.
yaroslaw [1]

Answer:

the rate of the first cyclist: 28km/h

the rate of the 2nd cyclist 28+4= 32km/h

Step-by-step explanation:

x= the rate of the first cyclist

x+4= the rate of the 2nd cyclist

after 4 hours: + the first cyclist travels 4x  (km)

                       + the 2nd cyclist travels 4(x+4)  (km)

because the two cyclists are 240 km apart after 4 hours

=> 4x + 4(x+4) = 240 => x= 28

i hope it's useful forr u =)))

5 0
3 years ago
How do you do this question?
vivado [14]

Answer:

-1

Step-by-step explanation:

dy/dt = y² − 1 = (y + 1) (y − 1)

At t = 0, y = 0, and dy/dt = -1.  Therefore, y is initially decreasing.

As y decreases, dy/dt increases.  When y = -1, dy/dt = 0 and changes signs from negative to positive.

As y increases above -1, dy/dt again becomes negative.  So y continues to approach -1 as t approaches infinity.

6 0
3 years ago
Mary went to the park with Amy at 2:30 pm. They played for 1 hour 30 min. At what time did the finish playing? Give your answer
puteri [66]

Answer:

4:00 pm

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
If you take 5 quizzes and get scores of 95%, 95%, 80%, 85%, and 75%, how would you find your mean quiz score?
avanturin [10]

Answer:

The answer is C.

Step-by-step explanation:

Remember, to find the mean of some scores, you must add all the scores together, then you must divide by the number of scores you added. In this case, you would divide by four, because you had four numbers you added to gether.

4 0
3 years ago
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