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Veseljchak [2.6K]
3 years ago
12

People with bmi less than 18.5 are often classified as underweight. What percent of men aged 20-29 are underweight by this crite

rion?
Mathematics
1 answer:
Archy [21]3 years ago
3 0
You need more information.  If you had the bmi's of every man between 20 and 29 you could get an exact answer.  If you had a good sample you could get a good estimate of this answer.
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Kent mixed oil and gas for his lawn mower. He mixed 8 fluid ounces of oil for every 1 gallon of gas. Which of the following stat
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Step-by-step explanation:

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3 years ago
Simplify this expression:<br> -2x+3 -(5 - 64).<br> D
tatuchka [14]

Answer:

-2x+62

Step-by-step explanation:

-2x+3-(5-64)

-2x+3-5+64

-2x-2+64

-2x+62

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a girl is snorkeling 1 meter below sea level and then dives down another 0.5 meter. How far below sea level is the girl?
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Which expression is equivalent to 6/7 divided by 3/5 ?
Harman [31]

Answer:

A.

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8 0
2 years ago
A quarterback throws a football with a velocity of 41 mph and a direction of 168°. The wind on the field is 11 mph with a direct
Cerrena [4.2K]

The true speed and direction of the football thrown by the  quarterback is 30.185 mph and 9⁰ respectively.

<h3>Relative velocity of the football</h3>

The true speed and direction of the football is determined by applying the concept of relative velocity.

Vr/w = Vb - Vw

where;

  • Vr/w is the velocity of the football with respect to the wind
  • Vb is the velocity of the football
  • Vw is the velocity of the wind

Vr/w = 41 mph - 11 mph = 30 mph

The direction speed can be determined by sketching a triangle

Direction of the speed, θ = (360 - 339) - (180 - 168)

                                       θ = 21 - 12 = 9⁰

<h3>Resultant speed;</h3>

R² = 41² + 11² - 2(41 x 11 x cos9)

R² = 911.105

R = √911.105

R = 30.185 mph

Thus, the true speed and direction of the football thrown by the  quarterback is 30.185 mph and 9⁰ respectively.

Learn more about relative velocity here: brainly.com/question/17228388

#SPJ1

8 0
2 years ago
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