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lions [1.4K]
2 years ago
9

Can someone PLEASE HELP!!!??

Mathematics
1 answer:
kolbaska11 [484]2 years ago
4 0

Answer:

I think the answer is 155 ft^2. Hope this helps.

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What is the factorization or the trinomial below? -2x^3+2x^2+12x
katen-ka-za [31]

The answer is C because the 2x outside of the brackers must be negative to produce the beginning term. The next terms are positive and two negatives make a positive, therefore we can conclude that there must be a negative inside the brackets too.

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Kareem has $20,000 in his savings account that earns 5% annually. How much interest will he earn in one year?
siniylev [52]

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WILL GIVE BRAINIEST!!! IF UR ANSWER IS RIGHT
Natasha2012 [34]

Answer:

-1

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4 0
3 years ago
Surface-finish defects in a small electric appliance occur at random with a mean rate of 0.3 defects per unit. find the probabil
mario62 [17]

Answer: Probability that a randomly selected unit will contain at least two surface- finish defect is 0.04.

Step-by-step explanation:

Since we have given that

Mean rate defects per unit = 0.3

Since we will use "Poisson distribution":

P(X=K)=\frac{e^{-\lambda}\lambda^k}{k!}

But we need to find the probability that a randomly selected unit will contain at least two surface-finish defect.

P(X\geq 2)=1+P(X=0)+P(X=1)

So,

P(X=0)=\frac{e^{-0.3}0.3^0}{0!}=e^{-0.3}=0.74\\\\P(X=1)=\frac{e^{-0.3}\times 0.3}{1}=0.22

so, it becomes,

P(X>2)=1-(0.74+0.22)=1-0.96=0.04

Hence, probability that a randomly selected unit will contain at least two surface- finish defect is 0.04.

4 0
4 years ago
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