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Mathematics

1 answer:

Semenov [28]2 years ago

6 0

Answer:

I have used mathematics at the store when i am buying something.

Step-by-step explanation:

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Jill is standing at the base of her apartment building. She measures the angle of elevation to the top of a nearby tower to be 4

vfiekz [6]

<span>The distance to the base of the tower is
tan 40=100/x

x=100/tan 40=119.18 m
from the top of the building, we know the adjacent side but not the opposite
tan 30=opposite/119.18
opposite is 119.18*tan30=68.81 m
The opposite side is the height of the tower ABOVE the apartment building. The tower itself is 100 m high, and the remainder of the height, 31.19 m, is the height of the building.</span>

7 0

3 years ago

Read 2 more answers

COME HERE ANSER PLEASE 25 POINTS!!!!!!!!!!!!!!!!

Lostsunrise [7]

Step-by-step explanation:

Given

- 4( 3x - 5 ) > - 28

Dividing both sides by - 4 we get

3x - 5 > 7

Adding 5 on both sides we get

3x - 5 + 5 > 7 + 5

3x > 12

Dividing both sides by 3 we get

x > 4

7 0

2 years ago

What is the missing part of the solution?

hoa [83]

9514 1404 393

Answer:

6.64

Step-by-step explanation:

Perhaps you have ...

$3.4\times10^{-20}+5.4\times10^{-19}+9\times10^{-20}=\underline{\ \ \ \ }\times10^{-19}\\\\=(0.34+5.40+0.90)\times10^{-19}=\boxed{6.64}\times10^{-19}$