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3 years ago

12

Please help me!! please

1 answer:

Vikki [24]3 years ago

5 0

Answer:

10

Step-by-step explanation:

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A school debate team has 4 girls and 6 boys. A total of 3 of the team members will be chosen to participate in the district deba

NeTakaya

The number of all possible 3-person groups
${10 \choose 3}=\dfrac{10!}{3!7!}=\dfrac{8\cdot9\cdot10}{6}=120$

The number of all possible groups consisting of 1 girl and 2 boys
$4\cdot{6\choose 2}=4\cdot\dfrac{6!}{2!4!}=4\cdot\dfrac{5\cdot6}{2}=60$

The probability is $\dfrac{60}{120}=\dfrac{1}{2}$

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3 years ago

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Is the answer a, b, c, or d

Lunna [17]

Answer:

Step-by-step explanation:

B

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3 years ago

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For a given rabbit population, the relationship between the number of adult female rabbits, F, and the number of offspring, R, t

Sphinxa [80]

Considering the given function in the problem, it is found that:

a. 9.6 offspring survive to maturity when there are 12 female rabbits in the population.

b. At least 18 female rabbits are required for there to be 13 offspring.

<h3>What is the given function in this problem?</h3>

The function gives the relationship between the number of adult female rabbits F and the number of offspring R as follows:

$R = 3 + \frac{350F}{F + 625}$

When there are 12 female rabbits, we have that F = 12, hence:

$R = 3 + \frac{350 \times 12}{12 + 625} = 9.6$

9.6 offspring survive to maturity when there are 12 female rabbits in the population.

For at least 13 offspring, we have that the number of rabbits needed is given as follows:

$R \geq 13$

$3 + \frac{350F}{F + 625} \geq 13$

$\frac{350F}{F + 625} \geq 10$

$350F \geq 10F + 6250$

$F \geq \frac{6250}{340}$

$F \geq 18$

At least 18 female rabbits are required for there to be 13 offspring.

More can be learned about functions at brainly.com/question/25537936

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2 years ago

HELP PLEASE WILL GIVE BRAINLISTTTTTTTTTTT

Mamont248 [21]

Answer:

C) 2/9

Step-by-step explanation:

1. you add up all of the marbles (18)

2. you find how much blue marbles are out of that sum of the total marbles (4/18)

3. simplify if possible (2/9)

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3 years ago

The residents of a city voted on whether to raise property taxes. The ratio of yes to no votes was 5 to 6. If there were 5698 to

saul85 [17]

Answer:

you can be my bestie

Step-by-step explanation:

hello

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3 years ago