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BartSMP [9]
3 years ago
10

Help with question, best answer gets brainliest

Mathematics
1 answer:
Artyom0805 [142]3 years ago
4 0

Answer:

I think B

Step-by-step explanation:

You might be interested in
15 players for a softball team show up for a game: (a) How many ways are there to choose 10 players to take the field? 3003 (b)
prohojiy [21]

Answer:

(a) 3003 ways

(b) 10897286400 ways

(c) 3002 ways

Step-by-step explanation:

Given

n = 15 --- 15 players

Solving (a) Ways of selecting 10 players.

This implies combination.

So, we have:

r=10

Using:

^nC_r = \frac{n!}{(n-r)!r!}

We have:

^{15}C_{10} = \frac{15!}{(15-10)!10!}

^{15}C_{10} = \frac{15!}{5!10!}

Simplify

^{15}C_{10} = \frac{15*14*13*12*11*10!}{5!10!}

^{15}C_{10} = \frac{15*14*13*12*11}{5!}

^{15}C_{10} = \frac{15*14*13*12*11}{5*4*3*2*1}

^{15}C_{10} = \frac{360360}{120}

^{15}C_{10} = 3003

Solving (b) Ways of assigning positions to 10 players.

This implies permutation.

So, we have:

r=10

Using:

^nP_r = \frac{n!}{(n-r)!}

We have:

^{15}P_{10} = \frac{15!}{(15-10)!}

^{15}P_{10} = \frac{15!}{5!}

Solve each factorial

^{15}P_{10} = \frac{1307674368000}{120}

^{15}P_{10} = 10897286400

Solving (c) Ways of choosing at least 1 woman

We have:

Men = 10

Women = 5

Ways of selecting 10 players is: (a) 3003 ways

Since the number of men are 10, there is 1 way of selecting 10 men (i.e. selection without women)

Using complement rule:

At least 1 woman = Total - No woman

At\ least\ 1\ woman = 3003 - 1

At\ least\ 1\ woman = 3002

5 0
3 years ago
The equation of line m is y=5/3x. The equation of line n is y=-3/5x-1. Which best describes the relationship between line m, lin
Natalija [7]

Answer:

B

Step-by-step explanation:

Parallel lines have the same slope while perpendicular lines have slopes which are negative reciprocals.

Here the slope of line m is 5/3.

Here the slope of line n is -3/5.

These lines are perpendicular.

Line n crosses through point k and can be shown through substitution. Substitute (5,-4) into line n.

y = -3/5 x - 1

-4 = -3/5(5) - 1

-4 = -15/5 - 1

-4 = -3 - 1

-4 = -4

The solution is B where n passes through K and the lines are perpendicular.

7 0
3 years ago
Please solve I need to pass this text
VARVARA [1.3K]

Answer:

4/15 deeper than the 1st dive

Step-by-step explanation:

make the 1st and 2nd dive have the same denotator. so

1st dive:5/15

2nd dive:9/15

subtract the 1st dive with the 2nd.

9/15-5/15=4/15

6 0
3 years ago
Read 2 more answers
2 1/3 divided by y= -1.27272727<br> what does y equal
Semmy [17]

Answer:

-1.83337261989

Step-by-step explanation:

(2 1/3)/y=-1.272727

2 1/3 = -1.272727y

y=-1.83337261989

6 0
4 years ago
If a population of 300 cells doubles every hour, which function represents the population after (h) hours
tangare [24]
I say y=300(2x) X=hours Y=population
Y=600x
8 0
3 years ago
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