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Finger [1]
3 years ago
12

A magazine subscription service is having a contest in which the prize is 80,000. if the company receives 1 million entries, wha

t is the expectation of the contest?
$____
Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0

Answer:

Expectation of the contest = $0.08

Step-by-step explanation:

Amount of the contest prize = $80000

Total entries received = 1 million

Probability of winning the contest = \frac{1}{1000000}

Expectation of the contest will be determined by the formula

P = (winning amount) × (probability to win the contest)

  = 80000\times \frac{1}{1000000}

  = $0.08

Therefore, the expectation of the contest will be $0.08.

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Hannah had 30 dollars to spend on 3 gifts. She spent 8 7 10 dollars on gift A and 4 2 5 dollars on gift B. How much money did sh
Dimas [21]

Answer: \$16\dfrac{9}{10}

Step-by-step explanation:

Given

Hannah had 30 dollars

Money spent on gift A

8\ \dfrac{7}{10}=\dfrac{8\times 10+7}{10}=\dfrac{87}{10}

money spent on gift B

4\ \dfrac{2}{5}=\dfrac{22}{5}

Money spent on gift C

\Rightarrow \text{Total-Money spent on (A+B)}\\\\\Rightarrow 30-\dfrac{87}{10}-\dfrac{22}{5}=30-\dfrac{87}{10}-\dfrac{44}{10}\\\\\Rightarrow \dfrac{300-87-44}{10}=\dfrac{169}{10}\\\\\Rightarrow \$16\ \dfrac{9}{10}

5 0
3 years ago
Solve for x.<br><br> 4^2x = 5^2x-1
fomenos

Answer:

X= 1/9

Step-by-step explanation:

4 0
3 years ago
Post Falls High School in Idaho has 1160 students and is growing by 22 students per year.  Richmond High School in Indiana has 1
lesantik [10]
You didn’t finish the question but this is the equation:
x = number of years;
1160 + 22x (post falls)
1900 - 15x (Richmond)
5 0
2 years ago
Use the given information to write the equation of the line slope 5 , y-intercept -2
Lilit [14]

Answer:

y=5x-2

Step-by-step explanation:

plug the numbers into y=mx+c where m is the gradient (or slope) and c is the y-intercept

7 0
3 years ago
Given the right triangle XYZ which correctly describes the locations of the sides in relation to
krek1111 [17]

a is adjacent, b is opposite, and c is the hypotenuse that correctly describes the locations of the sides in relation to Y.Option D is correct,

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

The complete question is

"Given right triangle XYZ, which correctly describes the locations of the sides in relation to Y?

a is opposite, b is adjacent, c is the hypotenuse

a is the hypotenuse, b is opposite, c is adjacent

a is adjacent, b is the hypotenuse, c is opposite

a is adjacent, bis opposite, c is the hypotenuse"

Refer to the attached file for a clear understanding.

The positions of the sides in regard to Y are described by the terms and are adjacent, b is opposite, and c is the hypotenuse.

Hence the correct answer is D.

To learn more about the triangle, refer to:

brainly.com/question/2773823

#SPJ1

5 0
1 year ago
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