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Lelechka [254]
2 years ago
14

Jake's family is moving to a new home. They packed 22 boxes in 1 5/6 hours. What is the average number of boxes they packed per

hour?
Mathematics
2 answers:
Ivahew [28]2 years ago
7 0
Answer: 12 boxes per hour?
Zina [86]2 years ago
7 0
It would be an average of 12 boxes per hour, because if there were only 11 boxes per hour, and there is not another full hour to make it two hours, the box would not be fully packed. Therefore, it has to be an average of 12 boxes per hour to get all 22 boxes fully packed.

I hope this helps you, even though it has been about a day since you posted it.
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Q5.Jumbo is standing on top of a cliff looking at a speed boat out at sea.The vertical of the cliff from the base (sea level) to
Leni [432]

Answer:

A) 150 m

B) 180.28 m

Step-by-step explanation:

A) In order to find the horizontal distance from the base of the cliff to the speed boat, use the Pythagorean theorem to calculate the length of the missing side.

We are told that one of the sides is 80 m and the hypotenuse is 170 m. Therefore,

  • a² + b² = c²
  • (80)² + b² = (170)²
  • b² = 170² - 80²
  • b² = 22500
  • b = 150

The horizontal distance between the base of the cliff and the boat is 150 m.

B) Now, the side that was 80 m is now 100 m (includes the height that the helicopter is above Jumbo). The horizontal distance remains the same, 150 m, but the hypotenuse is different. Solving for the hypotenuse will give us the distance between the helicopter and the speed boat.

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