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Iteru [2.4K]
3 years ago
12

Student finished 8 homework problems. If the ratio of the problems she finished to the problems she had left was 4:1 How many ho

me work problems did she have total
Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0
Answer: 10 


Explanation: 

Problem finished : Problem left = 4 : 1

 4 : 1 ===> (x2) ===> 8 : 2 

Problem finished : Problem left = 8 : 2

Total homework = 8 + 2 + 10
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3x-12/x^2+10x+24 ÷ x^2-16/x^2+6x.​
ludmilkaskok [199]

Answer:

19x^3 -4 all divided by x^2

Step-by-step explanation:

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3 years ago
2<img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="\pi" alt="\pi" align="absmiddle" class="latex-formula"> x 24 s
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2 years ago
The credit department of Lion's Department Store in Anaheim, California, reported that 30% of their sales are cash, 30% are paid
Oliga [24]

Answer:

Hence the probability that she paid cash is  0.105

Step-by-step explanation:  

P(cash) = 0.3  

P(credit card ) = 0.3  

P(debit card ) = 0.4  

P ( more than $50 | cash ) = 0.2  

P (more than $50 | credit card ) =0.9  

P (more than $ 50 |debit card ) = 0.6  

P ( more than $50) = P ( more than $50 | cash )* P (cash) + P (more than $50 credit card ) * P(credit card ) + P (more than $ 50 |debit card )* P(debit card )  

= 0.2 * 0.3 + 0.9 * 0.3 + 0.6* 0.4  

= 0.57  

P ( more than $50) = P ( more than $50 | cash )* P (cash) / P ( more than $50)  

= 0.2* 0.3 / 0.57  

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6 0
3 years ago
[50 points!]
marshall27 [118]

Answer:

1/3

Explanation:

P(Freshman | Boy)

  • Freshman = 4
  • Boy = 12

⇒ Probability = Number of favorable outcomes ÷ Total number of possible outcomes

  • P(Freshman | Boy) = freshman/total boys
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4 0
2 years ago
Read 2 more answers
What is - 0.64? square root
tankabanditka [31]
They square root of 0.64 is 0.8
3 0
4 years ago
Read 2 more answers
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