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torisob [31]
2 years ago
8

In a box, there are 4 red and 9 white balls. How many balls should be taken out of the box, so that there will be at least two r

ed balls among them?
Mathematics
1 answer:
creativ13 [48]2 years ago
7 0

Answer: 11 balls

Step-by-step explanation:

Because there are a total of 13 balls and 4 of them are red, if you are drawing out randomly you have to draw a minimum of 11 balls to guarantee that at least two red balls are among them

Brainliest is much appreciated!

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ladessa [460]

D. \: 14 \: ✅

Step-by-step explanation:

3 \times 4 \frac{2}{3}  \\  = 3 \times  \frac{14}{3}  \\ =   14

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5 0
2 years ago
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Simplify 8 over -4 divided by -3 over 9
Dima020 [189]

Answer: .074 continuing

8 0
3 years ago
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Match each scenario with the type of correlation it shows
tiny-mole [99]

Answer:

1- Positive correlation

2- Negative correlation

3- No correlation

Step-by-step explanation:

1- The more a player practices free throws, the better they will be at it and therefore will make more free throws. Thus, there is a positive correlation between the time spent practicing and the  number of free throws made.

2- Since each item bought has a cost, the more items are bought, lower will be the checking account balance. Thus, there is a negative correlation the number of items bought and the  checking account balance.

3- There is no explicit correlation between players heights and their ability to hit a baseball therefore it is fair to assume that there is no correlation between the height of baseball player and the  number of hits made

7 0
2 years ago
Can someone answer this correctly pls
AleksandrR [38]

Answer:

i = 45% and ii = 47% (Rounded)

Step-by-step explanation:

Simply divide 27 by 60 to get i:

27/60=.45

Convert to a percent chance.

.45=45%

Then divide 395 by 840 to get ii:

395/840=.47

Convert to a percent chance.

.47=47%

8 0
2 years ago
Set up the proportion and solve for x. Show ALL work and box your answer
KiRa [710]

Answer:

x = 6

Step-by-step explanation:

Love proportions!

3x+2(x+6) = 35(21)

21(3x+2) = 35(x+6)

63x + 42 = 35x + 210

28x = 168

x = 6

4 0
2 years ago
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