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Lapatulllka [165]
3 years ago
9

X squared minus 12 plus 26

Mathematics
2 answers:
insens350 [35]3 years ago
8 0
X² - 12 + 26 = x² + 14
Otrada [13]3 years ago
4 0

{x}^{2} - 12 + 26
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A bag contains x blue chips and y red chips. If the probability of selecting a red chip at random is 3/7, then x/y = ________.A.
LUCKY_DIMON [66]

Answer:

D. \frac{4}{3}

Step-by-step explanation:

We have been given that a bag contains x blue chips and y red chips. The probability of selecting a red chip at random is 3/7. We are asked to find the \frac{x}{y}.

\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}

P(\text{Red})=\frac{\text{Number of red chips}}{\text{Total number of chips}}

P(\text{Red})=\frac{y}{x+y}

Since we are told that probability of selecting a red chip at random is 3/7, so red balls are 3 and total balls are 7:

P(\text{Red})=\frac{3}{x+3}

Since total balls are 7, so we will get:

x+3=7\\x=4

Upon substituting x=4\text{ and } y=3 in expression \frac{x}{y}, we will get:

\frac{4}{3}

Therefore, the value of \frac{x}{y} is \frac{4}{3} and option D is the correct choice.

7 0
3 years ago
Marty has 1/2 pound of raisins to divide equally into 1o different bags. What fraction of a pound will be in each bag?
pogonyaev

Answer:

1/20 in each bag because you said that Marty had 10 diffrent bags

Step-by-step explanation:

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3 years ago
In 2-3 sentences describe why the only way an infinite geometric series has a sum is if |r| < 1.
Paul [167]
Because if the common ratio less than 1, then each term is smaller than the previous term. eventually, it will be so small that it basically equals 0 and the next terms are nigligible

it's like this. say you are on one side of a playground
you walk half the distance across,
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you then walk half of the disatnce you just walked
etc
you will never reach the other side because each distance you take is smaller thatn the previous, eventaull the distance will be so small you won't be moving much
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13 players

Step-by-step explanation:

65 x 0.2 = 13

8 0
3 years ago
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12 but it depends on your time
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3 years ago
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