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stiv31 [10]
2 years ago
15

Let's say the probability of you winning a game of checkers and a game of chess against your friend is 20%. The probability of y

ou winning a game of chess against your friend is 30%. What is the probability of you winning a game of checkers against your friend?
a. 33%.
b. 50%.
c. 67%.
d. 25%.
Mathematics
1 answer:
GREYUIT [131]2 years ago
8 0

The probability of winning a game of checkers against your friend is 67%.

<h3>What is the probability of winning a game of checkers against my friend?</h3>

Probability can be described as the process of determining the chances of an event happening. The chances that an event would occur has a value that lies between 0 and 1. A value of 0 is given when the event does not occur and a value of 1 if the event occurs.

The probability of winning a game of checkers = probability of winning both games / probability of winning a game of chess

20% / 30% = 67%

To learn more about probability, please check: brainly.com/question/26321175

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lilavasa [31]

Answer: if there had been no current, the rate would have been 4 km/hr.

The rate of the current is 1.5km/hr

Step-by-step explanation:

Let x represent the speed of the boat in still water.

Let y represent the speed of the current.

Impeded by the current the outing club took 4 hours and 24 minutes(4 + 24/60 = 4.4 hours) to paddle 11 km up the exeter river to their campsite last weekend. This means that the total speed with which they travelled is (x - y) km/h

Distance = speed × time. Therefore

11 = 4.4(x - y)

Dividing through by 4.4, it becomes

2.5 = x - y - - - - - - - - - - -1

The next day the same current was with them and it took only 2 hours to make the return trip to campus. This means that the total speed with which they travelled is (x + y) km/h. The distance travelled is

11 = 2(x + y)

Dividing through by 2, it becomes

5.5 = x + y - - - - - - - - - - -2

Adding equation 1 to equation 2, it becomes

8 = 2x

x = 8/2 = 4

Substituting x = 4 into equation 1, it becomes

2.5 = 4 - y

y = 4 - 2.5

y = 1.5

3 0
3 years ago
Alexander is a stockbroker he earns 11% commission each week last week he sold $7,200 worth of stocks how much money did he make
AlekseyPX

Answer:

Last week Alexander earned $792 in commissions.

Step-by-step explanation:

Giving the following information:

Commission= 11%

Sales= $7,200

T<u>o calculate the total commission, we need to use the following formula:</u>

Total commission= commission rate*sales

Total commission= 0.11*7,200

Total commission= $792

Last week Alexander earned $792 in commissions.

3 0
2 years ago
Georgia works at the frozen yogurt shop. She is able to scoop frozen yogurt into perfectly round scoops tha
Ronch [10]

Answer:

My answers:

1. p = 0.20 × 100 × k

4. y = 1.25x + 3; $8.00

Step-by-step explanation:

your welcome

8 0
2 years ago
What is the next term in the sequence below? 1/2, 2/6, 3/18, 4/54
lesya692 [45]
A.) 5/162

the numerator is increasing by 1 and the denominator is being multiplied by 3 each time
7 0
3 years ago
Melody had 45. She spent 32.75 on a blouse . Then her mother gave her 15.50. How much money does Melody have now ?
koban [17]

Answer:

Melody have now $27.75

Step-by-step explanation:

We will proceed to solve the problem in parts so that it can be better understand

so

1) Originally Melody had $45

2) She spent $32.75 on a blouse

so

In this moment Melody has --------> $45-$32.75=$12.25

3) Her mother gave her $15.50

so

In this moment Melody has --------> $12.25+$15.50=$27.75

therefore

Melody have now $27.75

5 0
3 years ago
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