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jeka57 [31]
3 years ago
6

Pls help w this it’s due at 9

Mathematics
2 answers:
Anastaziya [24]3 years ago
4 0
5. 1430
6. 30

Explanation

2(5)^3 + 4(5)^2 + 6(5) = 1430

450 devised by 15 = 30
lisabon 2012 [21]3 years ago
3 0
I worked it out on paper so i didn’t have to type hope this helps

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There are 3 red and 8 green balls in a bag. If you randomly choose balls one at a time, with replacement, what is the probabilit
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So, the total number of balls is 11. We want to pick 2 red balls and 1 green ball. WLOG (since order doesnt matter here), we can say he picks red, green, red. That means on his first pick, he has a \frac{3}{11} chance of picking the red ball, and he places it back in the bag. The probability of picking a green ball is \frac{8}{11}, and then he places the ball back in the bag. The probability of picking the last red ball is the same as the last red ball example, and we simply multiply the probabilities together as per the multiplication rule to get:

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Now, without replacement the order does matter. He picks a red ball, a red ball then a green ball. The probability of picking the first red ball is\frac{2}{11}, and the probability of picking the second red ball is \frac{1}{10} and the probability of picking the green ball is\frac{1}{9}. We want to multiply thm again, as per the multiplication rule like the last problem.

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5 0
3 years ago
2. (01.02 MC)<br> Find the value of the expression 4a4 – 2b2 + 40 when a = 2 and b = 7. (5 points)
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6 0
2 years ago
Are the answers correct or am I missing some?
AlekseyPX
Well,

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8 0
2 years ago
Can’t figure this out!
ale4655 [162]

Answer:

what does it say because i cant see

St ep-by-step explanation:

5 0
3 years ago
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