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Reptile [31]
3 years ago
7

This is for 100 points which is rather rare so please help me out

Mathematics
1 answer:
Lelechka [254]3 years ago
8 0

Answer:

C) $281.25

Step-by-step explanation:

3/15 describes you having to pay the bill in 15 days with a 3% discount.

3% = 0.03

289.95 - (298.95 x 0.03)

289.95 - 8.6985

281.25

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Answer:

The correct answer to the following question will be "0.438".

Step-by-step explanation:

Just because Mrs. Gomes finds around 40% of students in herself high school are studying chemistry.  

Although each student becomes independent of one another, we may conclude:  

"x" number of the students taking chemistry seems to be binomial to p = constant probability = 0.40

Given:

Number of surveys

= 12

Exactly 4 students have taken chemistry:

=P(X\leq4)

=P(x=0)+P(x=1)+P(x=2)+P(x=3)+P(x=4)

=\Sigma_{0}^{4} C_{r}(0.4)^r(0.6)^{12-r}

On substituting the above equation, we get the probability of approximately "0.438".

So that the above would be the appropriate answer.

5 0
3 years ago
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Novay_Z [31]

Answer:

i think its c

Step-by-step explanation:

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Sam's Mom makes sandwiches, s, for lunch everyday for his brothers and sisters. There are 15 slices of bread, b, left in the pac
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Pumped up gym has a membership plan that charges $35 a month plus a one time initiation fee of $20. If Jeremy has spent $545 on
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Answer:

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Step-by-step explanation:

35x+20=545

Subtract 20 from both side to figure out how many months he paid for....

35x+20-20=545-20

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Therefore, he has been a member for 15 months

Check:

35(15)+20=545

525+20=545

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