A store buys shoes for $40, then sells them to customers for $160. What is the percent mark-up for the price of the shoes?

Answers

Answer 1

Answer:

Answer:

its 120 your supposed to divide 120 ÷ 100% and ur answer will be 120

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How many 5-card hands can be dealt from a standard deck of 52 cards

Answers

its 10.4if u need proof just ask :)

4. 5 cards can be delt in a stack of 52 cards

What is the length of the line segment that is graphed from (3, 1) to (8, 1)?A.
4 units

B.
5 units

C.
8 units

D.
9 units

Answers

Hello,

all you have to do is to calculate the distance betheen the 2 points (pythagorean theorem)

d²=(3-8)²+(1-1)²=25+0=25

d=5

HURRY PLEASE!!! Miguel is playing a game in which a box contains four chips with numbers written on them. Two of the chips have the number 1, one chip has the number 3, and the other chip has the number 5. Miguel must choose two chips, and if both chips have the same number, he wins $2. If the two chips he chooses have different numbers, he loses $1 (–$1).

A))))). Let X = the amount of money Miguel will receive or owe. Fill out the missing values in the table. (Hint: The total possible outcomes are six because there are four chips and you are choosing two of them.)

(There is a graph to fill out here) (It is the attached media)

B))))). What is Miguel’s expected value from playing the game?

C))))). Based on the expected value in the previous step, how much money should Miguel expect to win or lose each time he plays?
 
D))))). What value should be assigned to choosing two chips with the number 1 to make the game fair? Explain your answer using a complete sentence and/or an equation.

Answers

Answer:the anser is a

Step-by-step explanation:

To check all the events (6), we label the chips. Suppose one chip with 1 is labeled R1 and the other B1 (as if they were red and blue). Now, lets take all combinations; for the first chip, we have 4 choices and for the 2nd chip we have 3 remaining choices. Thus there are 12 combinations. Since we dont care about the order, there are only 6 combinations since for example R1, 3 is the same as 3, R1 for us.

The combinations are: (R1, B1), (R1, 3), (R1, 5), (B1, 3), (B1, 5), (3,5)

We have that in 1 out of the 6 events, Miguel wins 2$ and in five out of the 6 events, he loses one. The expected value of this bet is: 1/6*2+5/6*(-1)=-3/6=-0.5$. In general, the expected value of the bet is the sum of taking the probabilities of the outcome multiplied by the outcome; here, there is a 1/6 probability of getting the same 2 chips and so on. On average, Miguel loses half a dollar every time he plays.

The perimeter of a square garden is to be at least 22 feet but not more than 36 feet. Find all possible values for the length of its sides.

Answers

5.5
5.75
6
6.25
6.5
6.75
7
7.25
7.50
7.75
8
8.25
8.50
8.75

A washer and a dryer cost $900 combined. The washer costs $50 less than the dryer. What is the cost of the dryer?

Answers

the answer is thank you $500

The dyer costs a total of $500

Suppose we want to choose 2 objects without replacement from the 4 colors red, blue, green, purple. How many ways can this be done, if the order of the choices matter?