The function f(x) is shown in the graph. What is the equation for f(x)?

Mathematics

1 answer:

Nimfa-mama [501]4 years ago

5 0

I believe the equation for f(x) is f(x)=-4/5x-3.

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here are 55 black balls and 99 red balls in an urn. If 44 balls are drawn without replacement, what is the probability that exac

ElenaW [278]

Answer:

P=0.0899.

Step-by-step explanation:

We know that are 5 black balls and 9 red balls in an urn. If 4 balls are drawn without replacement. We calculate the probability that exactly 3 black balls are drawn.

Therefore, we have 14 balls in an urn.

We calculate the number of possible combinations:

$C_4^{14}=\frac{14!}{4!(14-4)!}=1001\\$

We calculate the number of favorable combinations:

$C_3^5\cdot C^9_1=10\cdot 9=90$

Therefore, the probability is:

P=90/1001

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