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allsm [11]
3 years ago
5

If n represents the amount of songs stored on an MP3 player, analyze the meaning of the expressions n + 7, n - 2, 4n, and n divi

ded by 2
Mathematics
1 answer:
zmey [24]3 years ago
3 0
N + 7  means that he is adding 7 songs to the MP3 player
n-2 would mean he deleted two songs
4n means he has four times the amount of songs
and n/2 means he deleted 1/2 of them
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Highschool level trigonometry!!! Need help knowing step by step how to find answer!
Goshia [24]

Answer:

\theta \approx 82.34^\circ

Step-by-step explanation:

Please refer to the attached diagram. (Apologies if the shading or resolution is a bit off.)

So, we want to find θ.

Since we formed a right triangle, we can use right triangle ratios.

We know the measure of the adjacent side to θ and the hypotenuse.

Therefore, we will use the cosine ratio:

\displaystyle \cos(\theta)=\frac{\text{adjacent}}{\text{hypotenuse}}

The adjacent side is 2 and the hypotenuse is 15. By substitution:

\displaystyle \cos(\theta)=\frac{2}{15}

Now, we will take the inverse cosine of both sides. So:

\displaystyle \theta=\cos^{-1}\Big(\frac{2}{15}\Big)

Use a calculator. Hence:

\theta \approx 82.34^\circ

The angle between the ground and the ladder is about 82.34°.

5 0
3 years ago
HELP ASAP<br><br> Find the volume of the sphere. Round your answer to the nearest tenth.
ipn [44]

Answer:

V = 3053.63 mm^3

Step-by-step explanation:

radius : 9mm

V = 4/3 * pi * r^3

V = 4/3 * (3.1415926535898...) * 9^3

V = 3053.63 mm^3

5 0
2 years ago
11/9 x 9/10 simplest form
uysha [10]
11/9 times 9/10 = 11/10 = 1 1/10
7 0
4 years ago
Read 2 more answers
Ajit says the following steps can be used to find 0.48 of in which step did he make his first error? Step 1 Change "of" to the m
valentina_108 [34]

Answer:

step one

Step-by-step explanation:

of is a key word for division

7 0
3 years ago
A discount of 16% saved jackie 38.00 on office supplies what was the price of the supplies before the discount
Oksanka [162]

16 %  38 dollars.  By proportion:-

100 %   =   100*38  /  16  =   237.5   answer

8 0
4 years ago
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