3 years ago

I need help ASAP pls help me with this question on my no check in

Mathematics

1 answer:

Veronika [31]3 years ago

8 0

Answer: The answer is C

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3x−4y=21 <br> what does the x and y mean?

neonofarm [45]

Answer:

They are the two variables in the equation. They could will have different or the same values, but are seperate mathematical and logical entities.

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3 years ago

Find the length of side AB. Round your answer to the nearest tenth:

pshichka [43]

Answer: 3.1

Step-by-step explanation:

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2 years ago

There are 4 Board of Directors positions open. 2 will be for men, 2 will be for women.

laiz [17]

Answer:

1980 total outcomes are possible.

Step-by-step explanation:

The order in which the candidates are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

How many total outcomes are possible?

2 men, from a set of 11.

2 women, from a set of 9.

$T = C_{11,2}*C_{9,2} = \frac{11!}{2!9!}*\frac{9!}{2!7!} = 1980$

1980 total outcomes are possible.

3 0

3 years ago

This is the equation I need help wiht

Gnom [1K]

Answer:

y=-5x+5

Step-by-step explanation:

y=mx+b

m = slope which is 5 going down, so -5

b = y intercept which is 5

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3 years ago

brain has 3 basketball cards and five baseball cards. what fraction of Brian's cards are baseball cards

Mariulka [41]

3 + 5 = 8 so there are 8 cards total.
3/8 are basketball and 5/8 are baseball
3/8 + 5/8 = 8/8 or 1

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3 years ago