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tigry1 [53]
3 years ago
14

Asa decoration for a school dance, the student council creates a parabolic arch with balloons attached to it for students to wal

k through as they enter the dance. The shape of the arch is modeled by the equation y=x!5 xl, where and v are measured in feet and where the origin is at one end of the arch. Can a student who is 6 feet 6 inches tall walk through the arch without ducking?​
Mathematics
1 answer:
MariettaO [177]3 years ago
6 0
Shnsnsbshshgdgdhd xbx
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The wind force f on a sail varies jointly as the area a of the sail and the square of the wind speed w.
blondinia [14]

Answer:

  122.5 lbs

Step-by-step explanation:

The relation between force, wind speed, and area can be written ...

  f = ks²a

for some wind speed s and area a.

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The constant of proportionality, k, can be found from the given data.

  64.8 = k(18²)(500) . . . force in pounds, area in square feet, speed in mph

  k = 64.8/(324×500) = 0.0004

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Using the equation with the second set of data, we have ...

  f = 0.0004(35²)(250) = 122.5 . . . . pounds

The force on the 250 square foot sail would be 122.5 pounds.

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2 years ago
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Mkey [24]

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1/2

Step-by-step explanation:

4/8 are red. If you simplify that you get 1/2.

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3 years ago
A. 15<br> b. 16<br> c. 9<br> d. 14
MAXImum [283]
A. 15
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