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2 years ago

8

In 2016, there were about 36 million teenagers (ages 13-17) in the United States. They each sent an average of 850 text messages

per month. How many text messages did all of the teenagers in the United States send each month? Express your answer in scientific notation

1 answer:

wel2 years ago

6 0

Answer:

256

Step-by-step explanation:

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Answer:

44.81 feet

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the right triangle ACD

Find the length side AC (height of the small fire tower)

$tan(52^o)=\frac{AC}{50}$ ---> by TOA (opposite side divided by the adjacent side)

Solve for AC

$AC=tan(52^o){50}$

$AC=64\ ft$

step 2

In the right triangle ABE

Find the length side AB

$tan(21^o)=\frac{AB}{50}$ ---> by TOA (opposite side divided by the adjacent side)

solve for AB

$AB=tan(21^o){50}$

$AB=19.19\ ft$

step 3

How many feet off the ground is the squirrel?

Subtract the length side segment AB from the length side segment AC

so

$64-19.19=44.81\ ft$

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Step-by-step explanation:

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