3 years ago

Jogging burns 375 calories in 45 minutes. Determine how many calories burned per hour?

1 answer:

3 0

Answer: 500 calories

Set them as proportions
375/46=x/60
Multiply 60 to each side to eliminate fraction
Then you’ll get x=500

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Howard is standing 109 yards from the bottom of a water reservoir. He estimates that the angle of elevation to the top of the wa

pav-90 [236]

Answer:

70.1 yards

Step-by-step explanation:

See the attached diagram.

Let AC is the reservoir with A as the bottom and C is the top.

Now, B is the position of Howard which is 109 yards from A i.e. AB = 109 yards.

Again, the angle elevation from B to C is 50 degrees.

So, ∠ ABC = 50°

Now, $\cos 50 = \frac{AB}{BC} = \frac{109}{x}$

⇒ x = 109 cos 50 = 70.1 yards.

Therefore, the distance between the top of the reservoir and Howard i.e. BC is equal to 70.1 yards. (Answer)

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3 years ago

Lin is running on a track. Lin runs 5 laps around a track in 6 minutes. How many laps per minute is that? (Find both Unit Rates)

grandymaker [24]

They got the 1.2 minutes by taking the total number of minutes (6) and dividing them by the number of laps run (5). So 6 divided by 5 gives you the 1.2.

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2 years ago

What is the perimeter of the parallelogram?

Leni [432]

Answer:

P= 2 (a+b)

Step-by-step explanation:

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3 years ago

If we wanted to know how high a 5th-grade student could jump, how many students would be reasonable to test? 5, 12, 30, or 200.

77julia77 [94]

The right amount to test would be 30.

200 is to many kids and 12 is not enough.

Hope this Helps!!

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3 years ago

HELP ASAP<br>Find the volume of the corner, R measures 10 feet, height measures 30 feet

vazorg [7]

Answer:

3141.59

Step-by-step explanation:

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3 years ago

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