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nevsk [136]
3 years ago
13

Answer the question for 10 points

Mathematics
2 answers:
Fynjy0 [20]3 years ago
8 0

Answer:

The answer to the mean is 66.4

Step-by-step explanation:

58+63+68+72+71

11Alexandr11 [23.1K]3 years ago
8 0
The mean is 66.4 sorry im not sure on the rest:(
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A swim meet has 13 contestants signed up for the 100-meter butterfly event. The first heat has 6 swimmers. How many different wa
tino4ka555 [31]

Answer:

6 swimmers in the first heat can be arranged in 1716 different ways.

Step-by-step explanation:

A swim meet has 13 contestants signed up. To calculate the arrangement of first 6 swimmers in first heat we will use combinations because order doesn't matter.

So to select 6 swimmers out of 13 contestants number of different ways

= ^{13}C_{6}

= \frac{13!}{(6!)(13-6)!}

= \frac{13\times 12\times 11\times 10\times 9\times 8\times 7!}{6!\times 7!}

= \frac{13\times 12\times 11\times 10\times 9\times 8}{6\times 5\times 4\times 3\times 2\times 1}

= \frac{1235520}{720}

= 1716

Therefore, 6 swimmers in the first heat can be arranged in 1716 different ways.

5 0
2 years ago
I will give brainliest
s344n2d4d5 [400]

Answer: she was not correct, she messed up the equation.

7 0
2 years ago
HELP
Firdavs [7]

Answer:

4-4=0

16-6-10=0

17-3-4-10=0

1-2+1=0

Step-by-step explanation:

4 0
3 years ago
Help ASAP!!!!<br> Which statement about the graph of the function y=(1/3)x are true?
mafiozo [28]

Answer:


Step-by-step explanation:

1) False:  The function is decreasing (because the base, 1/3, is between 0 and 1).

2) True:  The function is decreasing (see #1, above)

3) False:  There is no x-intercept.

4) True:  If x is 0, then y = (1/3)^0 = 1.

5) False:  the range consists of the set of all real numbers greater than zero.

7 0
3 years ago
Read 2 more answers
You go to a restaurant with 3 friends the total bill is 90 you pay 6% tax and add 20% tip what do you pay
pshichka [43]
$90 ×.06=5.40
$95.40×.20=19.08
95.40+19.08=114.48
114.48/3=38.16
Each person pays 38.16
check your work 38.16×3=$114.48

You pay $38.16 for your bill unless your friends stiff you.
3 0
2 years ago
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