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mylen [45]
2 years ago
14

HELP!

Mathematics
1 answer:
Tems11 [23]2 years ago
7 0
Answer:

Picture below answers your question.

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An airplane flying with the wind takes 2 hours to travel a distance
Sever21 [200]

9514 1404 393

Answer:

  • airplane: 225 mph
  • wind: 45 mph

Step-by-step explanation:

The average speed with the wind is (540 mi)/(2 h) = 270 mi/h.

The average speed against the wind is (540 mi)/(3 h) = 180 mi/h.

Let a and w represent the speeds of the airplane and wind, respectively.

  a + w = 270 . . . . speed with the wind

  a - w = 180 . . . . speed against the wind

  2a = 450 . . . . . . sum of the two equations

  a = 225 . . . . . . divide by 2

  w = a -180 = 45

The speed of the airplane is 225 miles per hour; the speed of the wind is 45 miles per hour.

7 0
3 years ago
HEP PLZZZ<br><br><br> DUE RN<br><br><br><br> WILL GIVE BRAINLIST <br><br><br><br><br><br><br> M
zloy xaker [14]
Congruent!!!!!!!!!!!!!! I think
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2 years ago
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jekas [21]

Answer:

10

Step-by-step explanation:

√81 = 9   (9+9-4*2)

4 * 2 = 8  (9+9-8)

9 + 9 = 18 (18 - 8)

18 - 8 = 10

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3 years ago
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What is the chance of making 5 free throws in a row with a 50% free throw percentage
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You can make it with 10 because 10%times 5% is 50%
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10x + 19y = -11 in slope intercept form
cluponka [151]
10x + 19y = -11
19y = -10x - 11
y = -10/19x - 11/19 <===
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3 years ago
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