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3 years ago

11

A company is offering 1 grand prize, 3 second place prizes and 25 third place prizes. Out of 500 total entries, what is the prob

ability of getting a third place prize?

1 answer:

saveliy_v [14]3 years ago

7 0

Answer:

1/20

Step-by-step explanation:

25 prizes out of 500=25/500=1/20

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30 POINTS FOR PEOPLE WHO ANSWER CORRECTLY!

qwelly [4]

Answer:

1. 60 cm^2

2. 132.67 cm^2

3. 72.67 cm^2

Step-by-step explanation:

1. Area of rectangle

A = LW = 5 cm * 12 cm = 60 cm^2

2. Area of circle

A = (pi)r^2 = 3.14(6.5 cm)^2 = 132.67 cm^2

3. Area of shaded region

A = area of circle - area of rectangle

A = 132.7 cm^2 - 60 cm^2 = 72.67 cm^2

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3 years ago

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A ball is thrown in the air from a ledge. Its height in feet is represented by f(x) = –16(x2 – 5x – 6), where x is the number of

Oduvanchick [21]

The ball takes 6 seconds to reach the ground.

<u><em>Explanation</em></u>

Height of the ball after $x$ seconds is represented by....

$f(x)= -16(x^2 -5x-6)$

The height of the ball is 0 feet when it hits the ground. So, for finding the number of second the ball takes to reach the ground, <u>we will just plug $f(x)=0$ into the above equation and then solve for $x$ .</u>

Thus...

$0=-16(x^2-5x-6)\\ \\ x^2-5x-6=0\\ \\ (x-6)(x+1)=0$

Using zero-product property....

$x-6=0\\ x=6$

and

$x+1=0\\ x=-1$ (Negative value is ignored as time can't be negative)

So, the ball takes 6 seconds to reach the ground.

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4 years ago

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Erica has 1 5/8 cups of yogurt to make smoothies. Each smoothie uses 1/3 of a cup of yogurt. What is the maximum number of smoot

gtnhenbr [62]

Answer:

4 smoothies.

Step-by-step explanation:

We divide 1/3 into 1 5/8 ( which is 13/8).

= 13/8 / 1/3

= 13/8 * 3

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= 4 7/8

Maximum number = 4.

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3 years ago

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marshall27 [118]

The first option: (3/5)x - 3/6

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2 years ago

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MrRissso [65]

16 tbsp of peanut butter and 24 tsp of jelly

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3 years ago