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Mandarinka [93]
2 years ago
9

Write (4n^4)^2 without exponents

Mathematics
1 answer:
Verdich [7]2 years ago
5 0

Answer:

(4nx4nx4nx4n)x(4nx4nx4nx4n)

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5.38516

Step-by-step explanation:

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Peter leaves Mitchell's house traveling 30 mph. Mitchell leaves 15 min later, trying to catch up to peter, going 40 mph. if they
UkoKoshka [18]

Answer:

  45 minutes

Step-by-step explanation:

At 30 mph for 1/4 hour, Peter has a 7.5 mile head start. After he leaves, Mitchell closes that gap at the rate of 40-30 = 10 miles per hour. It will take him ...

  t = d/s

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to catch Peter.

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<em>Alternate Solution</em>

Another way to look at it is that Mitchell's 10 mph advantage is 1/3 of Peter's speed, so it will take 1/(1/3) = 3 times the period of Peter's head start:

  3 × 15 minutes = 45 minutes . . . for Mitchell to catch Peter

_____

You can write equations involving time and distance and see where the distances traveled become the same. You need to be careful choosing the time reference, since you're concerned with Mitchell's travel time. I personally prefer to work "head start" problems by considering the differences in time and speed, as above. This is where you end up using the equations approach, anyway.

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Determine whether the following graph represents a function,
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Create a single variable linear equation that has no solution. Solve the equation algebraically to prove that it does not have a solution.

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35×69=35*69
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