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3 years ago

What is 5C3? A. 35 B. 10 C. 14 D. 28

Mathematics

2 answers:

galben [10]3 years ago

5 0

Answer: B. 10

-5C3 or 5 choose 3 refers to how many combinations are possible from 5 items, taken 3 at a time. To calculate combinations, we will use the formula nCr = n! / r! ... * (n - r)!, where n represents the total number of items, and r represents the number of items being chosen at a time.

-10 is the total number of all possible combinations for choosing 3 elements at a time from 5 distinct elements without considering the order of elements in statistics & probability surveys or experiments. The number of combinations for sample space 5 CHOOSE 3 can also be written as 5C3 in the format of nCr or nCk.

Step-by-step explanation: Hope this help :D

Andreyy893 years ago

4 0

Answer:

Step-by-step explanation:

I took the test

Answer: B. 10

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tatuchka [14]

Asked and answered elsewhere.
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3 years ago

What is the slope of the line that passes through the points (-9, 8) and (-3, -1)?

Finger [1]

Answer: -3/2

Step-by-step explanation: the slope is calculated by the formula:

(y2 - y1)/(x2-x1)

So, (-1-8)/(-3-(-9)) = -9/6 = -3/2

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3 years ago

WILL MARK THE BRAINLIE

il63 [147K]

The answer is b.

when x decreases, f(x) decreases.
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3 years ago

Read 2 more answers

Triangle QRS has been translated to create triangle Q'R'S'. RS= R'S' = 10 units, angles Q and Q' are both 90 degrees. Which post

RSB [31]

The correct answer is:

Explanation:

These will both be right triangles, as angle Q and angle Q' are both 90 degrees.

Since Q and Q' are the right angles, this means that RS and R'S' are the hypotenuses of the two right triangles.

Since Q'R'S' was created by translating QRS, a corresponding leg of both triangles will be congruent; this gives us hypotenuse-leg, or HL.

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4 years ago

Please answer number 14, it would be a great help!

erastova [34]

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4 years ago