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kolbaska11 [484]
3 years ago
14

A submarine is descending to examine the seafloor 2,000 feet below the surface. It takes the submarine 2 hours to make this desc

ent. Write a proportional relationship to describe the descent.
Mathematics
1 answer:
Softa [21]3 years ago
7 0

Answer:

The submarine descends with an average speed of 1000 feets/hour during 2 hours

Step-by-step explanation:

You can solve this problem using a rule of 3:

  • In 2 hours, the submarine descends 2000 feets
  • In 1 hour, the submarine descends 2000/2 * 1 = 1000 feets.

Note that we dont know for sure that the submarine is descending at constant speed, but we can confirm that the average speed  of the submarine is 1000 feets per hour.

I hope I could help you!

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Answer:

The answer is 8.6×10¹⁴

Step-by-step explanation:

You can evaluate it :

(4.3 \times  {10}^{8} ) \times (2.0 \times  {10}^{6} )

= (4.3 \times 2.0) \times ( {10}^{8}  \times  {10}^{6} )

= 8.6 \times  {10}^{8 + 6}

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Answer: the distance from the bottom of the ladder to the base of the building is 12 feet.

Step-by-step explanation:

The ladder makes an angle, θ with the ground thus forming a right angle triangle with the wall of the house.

The length of the ladder represents the hypotenuse of the right angle triangle.

The distance from the ground to the point where the ladder touches the wall of the building represents the opposite side

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1369 = x² + 1225

x² = 1369 - 1225 = 144

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4 years ago
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iris [78.8K]

Answer:

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Step-by-step explanation:

7^-2

1/49

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