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Gnesinka [82]
3 years ago
15

What kind of music do you like -this is a survey to a group of teenagers. what is the relative frequency of students who like PO

P music. leave your answer as a decimal and round to the near hundredths place.
24 people like POP music
10 people like dance
22 people like hip hop/rap
21 people like something else.​
Mathematics
1 answer:
Whitepunk [10]3 years ago
5 0
.312

Frequency is 24

To find relative frequency (of Pop music) you would take 24 and divide it by the total students you were surveyed.

24/77 = .3116 rounded to hundredths becomes .312

If they are looking for percentage, you take the .312 and multiply by 100 to get 31.12%
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Answer:

See below

Step-by-step explanation:

<u>Sides of the garden</u>

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<u>1. The area of the new garden</u>

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<u>2. The difference in area </u>

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<u>3. x= 2 effect on the area</u>

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<u>4. Area difference = 160</u>

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<u>5. Area difference = 4 times</u>

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3 years ago
Which two values of x are the roots of the polynomial below? <br> x^2+5x+11
In-s [12.5K]

Answer:

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Step-by-step explanation:

Next time, please share the possible answer choices.

Here we can actually find the roots, using the quadratic formula or some other approach.

a = 1, b = 5 and c = 11.  Then the discriminant is b^2-4ac, or 5^2-4(1)(11).  Since the discriminant is negative, the roots are complex.  The discriminant value is 25-44, or -19.

Thus, the roots of the given poly are:

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x = -----------------------------------

                     2(1)

or x = -5/2 + i√19 and x = -5/2 - i√19

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