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3 years ago

What is 8,100 in scientific notation?

Mathematics

1 answer:

Rzqust [24]3 years ago

6 0

8.1 I think but there's an app called, tiger something and it tells,you the answers

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A basketball player makes 30% of her foul shots. she shoots 5 foul shots. you are interested in the number of shots that she mak

vampirchik [111]

This would be a binomial model, since there is a fixed number of trials, the probabilities are independent and there are only two choices (either the shot is made or missed).

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3 years ago

Can someone please help me?

Feliz [49]

Answer:

m<2 = 150

Step-by-step explanation:

m<2 = 150 because of alternate exterior angles

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3 years ago

A foreman for an injection-molding firm admits that on 55% of his shifts, he forgets to shut off the injection machine on his li

motikmotik

Answer:

0.8594

Step-by-step explanation:

Let a denote the event of forgetting to shut off machine and b be the event of being defective.

-A foreman forgets to shut off machine 55% of the time.

-If he forgets, 15% of molds are defective.

-If he does not, 3% of molds are defective.

#The probability that he forgot to shut off the machine is calculated as:

$P(a \ and \ b)=0.55\times 0.15\\\\=0.0825\\\\$

P(a and ~b)=0.55(1-0.15)=0.4675

P(~a and b) = (1-0.55)*0.03=0.0135

P(~a and ~b) = (1-0.55)*(1-0.03)=0.4365

#Conditional probability is defined as:

$P(a|b)=\frac{P(a \ and\ b)}{P(a)}\\\\=\frac{P(a \ and \ b)}{[(P(a \ and \ b)+P(\~a \ and \ b)}\\\\\\=\frac{0.0825}{0.0825+0.0135}\\\\\\=0.8594$

Hence, the probability that the foreman forgot to shut off the machine the previous night is 0.8594

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3 years ago

Factorise completely<br> 12y² + 4y

otez555 [7]

Step-by-step explanation:

$12y^{2} + 4y \\4y( \frac{12y^{2} }{4y} + \frac{4y}{4y} ) \\ 4y(3y + 1)$

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2 years ago

Read 2 more answers

How much would $200 invested at 4% interest compounded continuously be worth after 8 years? round your answer to the nearest cen

Arlecino [84]

Answer:

424--------------------------------------------------------

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4 years ago