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Debora [2.8K]
2 years ago
11

Aaron can run 4 miles in 30 minutes. How long does it take him to run one mile

Mathematics
2 answers:
Natalija [7]2 years ago
8 0

answer: 15/2 minutes

stealth61 [152]2 years ago
6 0

You first divide 30 by 4 to see how long it takes him to run one mile. Then you get 30/4 which simplified is 15/2 minutes

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Solve the inequality −x/2<4
FinnZ [79.3K]

Isolate the x. First, multiply 2 to both sides

-x/2(2) < 4(2)

-x < 4(2)

-x < 8

Isolate the x. Divide - 1 to both sides (because you are dividing a negative number, flip the sign).

-x/ -1 < 8/-1

x > -8 is your answer

hope this helps

5 0
3 years ago
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean
djyliett [7]

Answer:

The probability is 0.0069

Step-by-step explanation:

First thing to do here is to calculate the z-score

Mathematically;

z-score = (x-mean)/SD/√(n)

where x = 9.1 , mean = 8.4 , SD = 1.8 and n = 40

Plugging these values into the z-score equation, we have;

z-score = (9.1-8.4)/1.8/√(40) = 0.7/1.8/6.325 = 0.0615

Now, we check the standard normal table for P(z > 2.46) = 0.0069

8 0
3 years ago
A bicycle is traveling at 22 miles per hour. How many feet will it cover in 45 seconds? Round your answer to the nearest tenth o
puteri [66]
  • Answer:

<em>1452 feet</em>

  • Step-by-step explanation:

<em>1 hour = 60min×60sec = 3600 sec</em>

<em>1 miles = 5280 feet</em>

<em>22 miles = 22×5280ft = 116160 ft</em>

<em />

<em>3600sec ................. 116160 ft</em>

<em>45sec ................................ x ft</em>

<em>x = 45×116160/3600</em>

<em>= 5227200/3600</em>

<em>= 1452 feet</em>

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3 years ago
Edward deposited ​$10,000 into a savings account 2 years ago. The simple interest rate is 4​%. How much money did Edward earn in
Allisa [31]

Answer: 10400

Step-by-step explanation:

4 0
3 years ago
Differentiate y= ln l 1+t-t^3 l
lbvjy [14]
Y = ln |1 + t - t^3| = (1 - 3t^2)/(1 + t - t^3)
4 0
3 years ago
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