Aball is rolled uphill a distance of 9 meters before it slows, stops, and begins to roll back. the ball rolls downhill 22 meters before coming to rest against a tree. what is the magnitude of the ball’s displacement?

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

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what are the statements? and what do you mean by "216 2 1 6"?

part d

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theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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