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Cerrena [4.2K]
3 years ago
7

Out of 1200 people polled, 30% do not like radio, and 10% of the people who do not like radio also do not like music. How many p

eople polled do not like both radio and music? Thank you :D
Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

36

Step-by-step explanation:

First you need to find 30% of 1200. 30% of 1200= 30/100 * 1200 which is 360. Then you find ten percent of 360, which is basically 10/100*360 which is 36, so 36 is the answer.

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The equation above can be used to calculate the volume V, of a cone with a height h and radius r. If the volume of a cone is 243
WARRIOR [948]

Answer:

The height of the cone is h=9\ ft

Step-by-step explanation:

we know that

The volume of a cone is equal to

V=\frac{1}{3}\pi r^{2}h

In this problem we have

V=243\pi\ ft^{3}

r=h\ ft

substitute

243\pi=\frac{1}{3}\pi (h^{2})h

simplify

729=(h^{3})

h=\sqrt[3]{729}\ ft

h=9\ ft

5 0
3 years ago
The price of a cup of coffee was $2.40 yesterday. Today, the price rose to $2.65. Round your answer to the nearest tenth of a pe
Ymorist [56]
To find the percent increase you need to first find how much the price went up: 2.65 -  2.4 = .25     Now divide .25 by the original price.
5 0
3 years ago
3. At a bargain store, Jamal bought 2 items that each cost the same amount. Isaiah bought 3 items that each cost the same amount
coldgirl [10]

Answer:

  • $6.75 and $4.50

Step-by-step explanation:

a) <u>Jamal spent:</u>

  • 2x

<u>Isaiah spent:</u>

  • 3 (x - 2.25)

<u>The equation is:</u>

  • 2x = 3(x - 2.25)

b) <u>Solving the equation</u>

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c) <u>Jamal's items cost </u>

  • $6.75 each

<u>Isaiah's items cost </u>

  • $6.75 - $2.25 = $4.50 each
7 0
2 years ago
PLEASE HELP ME PLEASE HELP ASAP THANKS (brainlest)
zloy xaker [14]

Answer:

0.999 units

Step-by-step explanation:

D=

\frac{3.14}{\pi}

D=0.9994930426

4 0
3 years ago
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There's some creepy and weird noise coming from my mom and dad's room and I think they're in trouble, what should I do????
tatyana61 [14]

Answer:

Leave em alone or go be noisy?

Step-by-step explanation:

3 0
3 years ago
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