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Keith_Richards [23]
3 years ago
13

In a charity marathon to raise money for Typhoon Ulysses, Alex finished 43rd out of 200 entrants. Find his percentile rank.

Mathematics
1 answer:
marusya05 [52]3 years ago
3 0
Answer: 21.5%
explanation: 43 divided by 200 = 0.215

Move the decimal to the right two times to make it a percent. Therefore answer will be 21.5%
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Please create a word problem using the concept of probability. Please provide the answer to your word problem. *
vitfil [10]

In a game of rock paper scissors, what are the chances that someone playing against a person playing only paper would win?

As for the answer, if you were to make a chart to show rock, paper, and scissors, you'd be able to see that there's a 2/3 chance of winning by choosing rock. With scissors, there's also a 2/3 chance to win. Now with paper, there's only a 1/3 chance to win. Knowing that the other person will only play paper, the best answers would be to choose either rock or scissors.

(there are, of course, flaws with this concept, because the opponent could be lying about playing only paper. More or less, it's a good design to show probability.)

7 0
2 years ago
How to solve this question? Please help me
Maurinko [17]

Answer:

≈ 82 feet

Step-by-step explanation:

Since the triangle is right use Pythagoras' identity to calculate distance (d)

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

Here the hypotenuse is the distance (d) between the 2 poles, hence

d² = 80² + 45² = 6400 + 2025 = 8425 ( take the square root of both sides )

d = \sqrt{8425} ≈ 82 feet ( to the nearest foot )

8 0
3 years ago
Find the slope of each line.<br> А<br> B<br> с<br> A)<br> A<br> B)<br> C)
cluponka [151]

Answer: Ola

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
11. 8 cars are in the parking lot. Then 6 more cars come. How many cars are there now? 12.stretch your thinking. Look at the sto
Sholpan [36]

Answer:

#11 : 14 cars

#12 : 8+6+4=18

Step-by-step explanation:

8 0
3 years ago
You order two tacos and a salad. The salad costs $2.50. You pay 8% sales tax and leave a $3 tip. You pay a total of $13.80. How
denis23 [38]
Let T = cost of a taco
Let S = cost of a salad

(2 tacos + 1 salad) + (8 % of 2 tacos and 1 salad) + 3 = 13.80

2T + S + .08(2T + S) + 3 = 13.80
2T + 2.5 + .08(2T + 2.5) + 3 = 13.80
2T + 2.5 + .16T + .20 + 3 = 13.80
2.16T + 5.7 = 13.80
2.16T = 8.10
T = 8.10/2.16 = $3.75

Check: 2T + S + .08(2T + S) + 3 = 13.80
2(3.75) + 2.50 + .08(2(3.75)+2.5) + 3 = 13.80
7.5 + 2.5 + .08(10) + 3 = 13.8
13.80 = 13.80
Answer checks as correct
8 0
3 years ago
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