3 years ago

(-2x + 10)- (-6+5y+12) +(x + 8y - 16

1 answer:

4 0

Answer:
-x - 12 + 3y

Step by step explanation:

-2x + 10 - (6 + 5y) + x + 8y - 16

-2x + 10 - 6 - 5y + x + 8y -16

-x - 12 + 3y

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laiz [17]

Answer:

67.64

Step-by-step explanation:

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Phoenix [80]

60t is your answer

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oksian1 [2.3K]

You will get 57.44’$

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3 years ago

e-lub [12.9K]

Answer with Step-by-step explanation:

Since the given event is binary we can use Bernoulli's probability to sove the problem

Thus for an event 'E' with probability of success 'p' the probability that the event occurs 'r' times in 'n' trails is given by

$P(E)=\frac{n!}{(n-r)!\cdot r!}\cdot p^{r}\cdot (1-p)^{n-r}$

Part a)

For part a n = 11 , r =9, p = 0.75

Applying values we get

$P(E)=\frac{11!}{(11-9)!\cdot 9!}\cdot (0.75)^{9}\cdot (1-0.75)^{11-9}\\\\\therefore P(E)=0.2581$

Part b)

For part b n = 20 , r = 16 , p=0.75

Applying values we get

$P(E)=\frac{20!}{(20-16)!\cdot 16!}\cdot (0.75)^{16}\cdot (1-0.75)^{20-16}\\\\\therefore P(E)=0.1896$

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4 years ago

Brilliant_brown [7]

The answer is 61/100

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3 years ago