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V125BC [204]
2 years ago
15

H = 3 + 31t - 161² Find all values of t for which the ball's height is 17 feet .​

Mathematics
1 answer:
jasenka [17]2 years ago
3 0

Answer:

t= 31/175 ≈ 5.64516129

​

Step-by-step explanation:

Refer Pic For Steps....

Hope it Helps!!!

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The scores of eighth-grade students in a math test are normally distributed with a mean of 57.5 and a standard deviation of 6.5.
Firlakuza [10]
Approximately 68% of a normal distribution lies within one standard deviation of the mean, so this corresponds to students with scores between (57.5-6.5,57.5+6.5)=(51,64).
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3 years ago
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Pleaseee answer asap (30 points) thank you​
RSB [31]
Answer:
18,500. Years. 103%
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3 years ago
Given: are diameters m∠3 = <br> A) 39 <br> B) 78<br> C) 102
Blizzard [7]
I just did this a few seconds ago and the correct answer is 78. The check above the number is green which means its correct. 
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3 years ago
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If two similar polygons have perimeters of 36 and 21 inches.
jek_recluse [69]

Answer:

91

Step-by-step explanation:

Two similar polygons, means a similarity would exist in both polygons

  • Perimeter of a rectangle = 2(l +w)
  • Perimeter of the larger rectangle = 36 (because it's the largest figure)
  • equation becomes  36 = 2(L + W)
  • since L = 14, it becomes = 36 = 2(14 +W)
  • 36 = 28 + 2W
  • 2W = 36 - 28 = 2w = 8
  • w = 4.

Now we assume that since the rectangles are similar, they would have similar dimensions, in this case Width. so with this, we find length  of smaller rectangle.

  • 21 = 2(L + 4) = 21 = 2L + 8
  • 2L = 21 - 8 = 2L = 13
  • L = 13/2 = 6.5.

lastly the product of the length of both polygons = 14 * 6.5 = 91.

Their Products length is 91

6 0
3 years ago
Designer Dolls found that its number of Dress-Up Dolls sold, N, varies directly with their advertising budget, A, and inversely
Radda [10]

Answer:

25,600

Step-by-step explanation:

You can use the rule of three considering that the number of dolls sold varies directly with the advertising budget:

$54,000    →   9,600

$144,000   →       x

x=\frac{144,000*9,600}{54,000}

x=25,600

According to this, the number of dolls sold if the amount of advertising budget is increased to $144,000 is 25,600.

4 0
3 years ago
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