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Anastaziya [24]
3 years ago
15

B.48(a’b2c2 + a²b3c2 + a²b²c3)- 2a2b2c2​

Mathematics
1 answer:
DiKsa [7]3 years ago
8 0

Step-by-step explanation:

what what what what what what what what what what what what what what

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Again like normal. first is brainliest.
Harlamova29_29 [7]

Answer:

d.

Can you give me brainliest this time plz, I answered first

Step-by-step explanation:

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2. Find the value of x. Then, find the measure of each angle. H 3X-2 <br>I 4x-9 <br>J 3x-9​
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Which two amounts does this statement identify?
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That would be net income (amount made after taxes have been deducted) and hourly wage (amount made per hr at work)
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I really need help, will give brainliest
Annette [7]
Here’s how it’s done: you count the total number of m&ms to start.
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3 0
3 years ago
"The manager for State Bank and Trust has recently examined the credit card account balances for the customers of her bank and f
yuradex [85]

Answer:

a

   P(X = 4 ) = 0.1876

b

   P(X \le 4)  =  0.8358

Step-by-step explanation:

From the question we are told that

The proportion that has outstanding balance is p = 0.20

The sample size is n = 15

Given that the properties of the binomial distribution apply, for a randomly selected number(X) of credit card

X \  \ ~ Bin (n , p )

Generally the probability of finding 4 customers in a sample of 15 who have "maxed out" their credit cards is mathematically represented as

P(X = 4 ) =  ^nC_4 * p^4 * (1 - p)^{n-4}

=> P(X = 4 ) =  ^{15}C_4 * (0.20)^4 * (1 - 0.20)^{15-4}

Here C stand for combination

=> P(X = 4 ) = 0.1876

Generally the probability that 4 or fewer customers in the sample will have balances at the limit of the credit card is mathematically represented as

P(X \le 4) =  [ ^{15}C_0 * (0.20)^0 * (1 - 0.20)^{15-0}]+[ ^{15}C_1 * (0.20)^1 * (1 - 0.20)^{15-1}]+\cdots+[ ^{15}C_4 * (0.20)^4 * (1 - 0.20)^{15-4}]

=>   P(X \le 4)  =  0.8358

4 0
3 years ago
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