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horrorfan [7]
3 years ago
13

Des buys a pack of starbursts that has 3 orange,6 pink , 1 yellow , and 5 red starbursts. She puts the candy in the bowl. If she

reaches in and grabs two starbursts without putting one back , what is the probability that she will pick a pink and then a yellow?
Mathematics
1 answer:
Ksivusya [100]3 years ago
5 0

Answer:

3/70

Step-by-step explanation:

3 orange,6 pink , 1 yellow , and 5 red = 15

P(pink) = number of pink/ total = 6/15 = 3/5

Then without putting it back

3 orange,5 pink , 1 yellow , and 5 red = 14

P(yellow) = number of yellow/ total = 1/14

P(pink, no replacement, yellow) = 3/5*1/14 = 3/70

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31*r+1.1*(35−31)*r = 410.64.
Rasek [7]

Answer:

11.6

Step-by-step explanation:

<u>Solving with steps as below:</u>

  • 31*r+1.1*(35−31)*r = 410.64
  • 31r + 1.1*4r = 410.64
  • 31r + 4.4r = 410.64
  • 35.4r = 410.64
  • r = 410.64/35.4
  • r = 11.6

<u>Answer is:</u> r =11.6

5 0
3 years ago
Christine has always been weak in mathematics. Based on her performance prior to the final exam in Calculus, there is a 65% chan
amm1812

Answer:

0.49

Step-by-step explanation:

We apply conditional probability to solve this question.

We have Events X and Events Y

P(X) = Probability Christine fails the course = ??? Unknown

P(Y) = Probability Christine finds a tutor

= 0.35

P(Y') = Probability Christine does not find a tutor = 1 - 0.35 = 0.75

P(X|Y) = Decrease in her probability of failing = 0.35

P(X|Y') = Probability that she will fail the course if she does not have a tutor

P(X) = P(X|Y) × P(Y) + P(X|Y') × P(Y')

P(X) = 0.35 × 0.75 + 0.65 × 0.35

P(X) = 0.2625 + 0.2275

P(X) = 0.49

The probability that Christine fails the course is 0.49

8 0
3 years ago
Andre and Diego were each trying to solve 2x+6=3x-8. Describe the first step they each make to the equation.
Vlad [161]
First combine like terms so
2x+6=3x-8
3x - 2x =1X
-6 - -8= -14
1X ÷ -14
then just divide
4 0
3 years ago
Its scale factoring, please help thanks
svlad2 [7]
45cm I’m sorry that’s not the answer I just need answers for my questions sis
7 0
3 years ago
How would you solve 200 x 30/100? Please give instructions in how you did so.
Dmitry_Shevchenko [17]

Answer:

Well first you multiple 200 by 30 which equals 6,000 and then divide it by 100 which then leads you to the answer of 60. Hope I helped. :)

Step-by-step explanation:

6 0
2 years ago
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