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Naya [18.7K]
2 years ago
12

Find the length of side b I need help plss

Mathematics
1 answer:
MrMuchimi2 years ago
6 0
20




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Suppose that the scores, X, on a college entrance examination are normally distributed with a mean score of 560 and a standard d
12345 [234]

Answer:

  543

Step-by-step explanation:

The 33rd percentile corresponds to a score of 542.4. In order for a score to be within the top 67%, it must be above that value. The least integer above that value is 543.

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2 years ago
Lkm is equilateral. Solve for x if angle k=9x+24
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Answer:

x = 4

Step-by-step explanation:

Given that the triangle is equilateral then the measure of each angle is 60°

Equate 9x + 24 to 60 and solve for x

9x + 24 = 60 ( subtract 24 from each side )

9x = 36 ( divide both sides by 9 )

x = 4

7 0
2 years ago
A lot is 21 ft by 30 ft. To support a fence, an architect wants an upright post at each corner and an upright post every 3 ft in
Bogdan [553]
What we know:
Lot= 21 x 30ft
Perimeter=2l+2w
Want to put 4 corner post and one post every 3 ft

What we need to find:
How many post we need.

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102/3=34

34 posts are needed.
6 0
3 years ago
a rocket was launched into the air from a platform above the ground. The height, in feet, of the rocket above the ground t secon
vova2212 [387]
For this case we have the following expression:
 h (t) = -16t ^ 2 + 64t + 80
 For t = 0 we have:
 h (0) = -16 (0) ^ 2 + 64 (0) + 80
 h (0) = -0 + 0 + 80
 h (0) = 80 feet
 Therefore the number 80 represents the initial height of the rocket
 Answer:
 
the 80 in the expression represented:
 
the initial height of the rocket
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2 years ago
A running coach checks on his team's best recorded sprinting times during practice. Drag the runners in order from the greatest
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Carla

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From greatest to least!

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