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3 years ago

At a dance camp, students must specialize in one style of dance. Of the 62 dancers at the

Mathematics

1 answer:

kicyunya [14]3 years ago

7 0

Answer:

10/31

0.32

32%

Step-by-step explanation:

Students must specialize in one style of dance.

Last summer there was 62 dancers.

20 of the 62 specialized in modern dance.

Therefore the probability of a random chosen dancer to be a modern specification is 20/62.

The answer is:

Fraction:

---

Whole number:

0.32

Percent:

32%

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The product of two numbers is 240. The first number is 8 less than the second number. Write an equation can be used to find x

DaniilM [7]

Answer:

The equation x = y-8

The equation (y-8) y = 240

The first number x = 12 and second number y =20

Step-by-step explanation:

Explanation:-

Step(l):-

Let 'x' be the first number and 'y' be the second number

Given the product of two numbers is 240

Given data x y = 240 …(l)

Given data the first number is 8 less than the second number.

x = y-8...(ll)

Substitute (ll) in equation (l) , we get

(y-8) y = 240

$y^{2} -8y -240 =0$

$y^{2} -20y+12y -240 =0$

$y(y -20)+12(y -20) =0$

$(y +12)(y -20) =0$

y = -12 and y = 20

Y= -12 is not satisfied

we can choose y = 20

Step(ll):-

Given data x =y-8

substitute value y = 20 in x = y -8

x = 20-8 = 12

Final answer:-

The first number x = 12 and second number y =20

4 0

3 years ago

Given below is the odd-number function. Which of the following are equal to O(8)?

dezoksy [38]

The answer would be B.
For these, you plug in 8 where there ia a variable. 2(8)-1=15

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4 years ago

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Helicopters can land on circular pads. The area of a landing pad is 1,962.5 square feet. What is the radius of the pad? Use 3.14

notsponge [240]

Answer:

25 ft

Step-by-step explanation:

The area of this landing pad is 1,962.5 ft², which equals πr².

We solve this equation for r²:

1962.5 ft²

r² = ----------------- = 625 ft²

3.14

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r = √(625 ft²) = 25 ft

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4 years ago

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Step-by-step explanation:

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3 years ago

Pleaseee help im really confused

True [87]

Answer:

420 x .1 = 42

420 + 42 = 462

400 x .2 = 80

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3 years ago