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Kobotan [32]
3 years ago
5

A child stands at the foot of a tall slide and throws a ball toward the top of the slide. The foot of

Mathematics
1 answer:
kupik [55]3 years ago
4 0

Answer: 6, 6 feet

Step-by-step explanation:

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HELP ME NOW PLEASE NOW ADGAFDKD;LHJ!!!!!!<br><br><br> PLEASE AND THANK YOU :)))))
Eddi Din [679]

I got D.

There's a few ways to solve it; I prefer using tables, but there are functions on a TI-84 that'll do it for you too. The logic here is, you have a standard normal distribution which means right away, the mean is 0 and the standard deviation is 1. This means you can use a Z table that helps you calculate the area beneath a normal curve for a range of values. Here, your two Z scores are -1.21 and .84. You might notice that this table doesn't account for negative values, but the cool thing about a normal distribution is that we can assume symmetry, so you can just look for 1.21 and call it good. The actual calculation here is:

1 - Z-score of 1.21 - Z-score .84 ... use the table or calculator

1 - .1131 - .2005 = .6864

Because this table calculates areas to the RIGHT of the mean, you have to play around with it a little to get the bit in the middle that your graph asks for. You subtract from 1 to make sure you're getting the area in the middle and not the area of the tails in this problem.

7 0
3 years ago
Urgent~What type of angles are 1 and 5?
Kitty [74]
Corresponding angles ??
6 0
3 years ago
5 liters of water weighs 11 pounds. A bucket contains 143 pounds of water. How many liters of water are in the bucket
slavikrds [6]

Answer:

65 liters

Step-by-step explanation:

11/5=2.2

143/2.2=65

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3 years ago
Use exponents to write 81 three different ways.
nlexa [21]
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Jennifer is building a square cage for her
stich3 [128]

Each side of the cage is 2x+4 and there are 4 sides.

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