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kari74 [83]
1 year ago
5

Which expression is equivalent to...

Mathematics
1 answer:
olga_2 [115]1 year ago
6 0

Answer:

8m^5

Step-by-step explanation:

Well we can simplify the numerator, by multiplying the 4 by the 6 and the m^3 and m^4 (add the exponents, explained in one of my previous answers I think)

This gives us the fraction: \frac{24m^7}{3m^2}

We can now divide the m^7 by m^2 by subtracting the exponents, and the reason why this works, is you're simply cancelling out the m's, If we express this in expanded form we have the following fraction: \frac{24 * m * m * m * m * m * m * m}{3 * m * m}

Since there is two m's in the denominator and there is also two (more than two) m's in the numerator, we can cancel those two m's out, and we get the fraction:

\frac{24 * m * m * m * m * m}{3} which can be simplified in exponent form as: \frac{24m^5}{3}, now all we have to do is divide the 24 by the 3, to get 8

This gives us the answer: 8m^5

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From a barrel of colored marbles, you randomly select 1 blue, 2 yellow, 7 red, 6 green, and 2 purple marbles. Find the experimen
dybincka [34]

Answer:

8/9

Step-by-step explanation:

1 blue, 2 yellow, 7 red, 6 green, and 2 purple marbles = 18 marbles

The number that are not yellow = total - yellow

P( not yellow) = number that are not yellow / total

                       = (18-2) / 18

                       = 16/18

                       =8/9

3 0
2 years ago
What is the area of the composite figure shown.
AlekseyPX
I have 0 idea but I need help with some questions that I have
6 0
2 years ago
here is a image. 6th grade problem i in 6th grade. Please do part A and part B for problem 1 and also please do problem 2 so ASA
Andrej [43]

I have no idea what to do in problem 1

but I will do problem 2

A. 2⁵ = 32 (2×2×2×2×2=32)

B. 4³/2 = 32 (4×4×4=64 and then 64÷2=32

the others are not equal to 32

3 0
2 years ago
I am confused. Can somebody explain this to me?
jolli1 [7]

Answer: If they worked together, it would take 31.5 minutes

Step-by-step explanation:

There's a certain formula for equations like this:

\frac{1}{t1} +\frac{1}{t2}=\frac{1}{tb}

t1= the time it took for the first person to complete the task.

t2= the time it took for the second person to complete the task.

tb= the time it took for both of them to complete the task.

We have the values for both t1 and t2, but not for tb.

t1= 45

t2= 105

tb= x

\frac{1}{45} +\frac{1}{105} = \frac{1}{x}

Now it's simple algebra, and all we need to do is solve for x

The LCM for both fractions is 315, so now we multiply BOTH sides of the equation by 315.

\frac{315}{45} + \frac{315}{105} = \frac{315}{x}

This will simplify nicely, so now we just need to get x on the other side.7 + 3 = \frac{315}{x} \\\\\ 10*x = \frac{315}{x} * x

10x = 315 \\\\x = 31.5

5 0
2 years ago
Use the formula d=rt. Find t for r=48.3m/h and d=545.79m.
Korolek [52]

Answer:

t = 11.3 hours

Step-by-step explanation:

The formula d = rt stands for distance = rate x time.  The problem gives you the rate, or r = 48.3 m/h, and the distance, or d = 545.79m.  To solve for 't', you can plug the values given and divide:

d = rt or 545.79 = 48.3(t)

Divide both sides by 48.3:  545.79/48.3 = 48.3t/48.3

Solve for t:  t = 11.3 hours

6 0
3 years ago
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