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umka2103 [35]
3 years ago
12

Tina plans to have two children but doesn't know if they will be boy-boy, girl-girl, or a boy and a girl. What is the probabilit

y that she will have two girls?
Mathematics
1 answer:
vazorg [7]3 years ago
3 0

Answer: 25%

Step-by-step explanation:

Boy =50%

Girl =50%

Girl + Girl =25%

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<span>A) y=-2x+19
B) y=x+7 Multiplying B) by -1
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3 years ago
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VARVARA [1.3K]

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Step-by-step explanation:

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2 years ago
Hello can you please help me posted picture of question
MAXImum [283]
The answer is Letter C - 1/2,775

The probability of choosing one of them is 2 out of 75 while the probability of choosing the other one is 1 out of 74. 74 band members, not counting the other person (you or your bother).
 
Computation:
P = 2 / 75 * 1 / 74
   = 0.0266... * 0.01351...
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You can also multiply 75 with 74 to get a total of 5,550 then divide it by 2 students to be selected to get 2,775. Meaning one out of 2,775 possibilities.
8 0
3 years ago
Which expression has a value of StartFraction 1 Over 36 EndFraction? (StartFraction 1 Over 108 EndFraction) cubed (StartFraction
IrinaVladis [17]

Answer:

(1/6)^2

Step-by-step explanation:

We want to find the fraction that is equivalent to 1/36.

Let us look at each of them individually:

a. (\frac{1}{108})^3 = \frac{1}{1259712}

b. (\frac{1}{9})^4 =  \frac{1}{6561}

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d. (\frac{1}{5})^2 = \frac{1}{25}

Therefore, the correct answer is c.

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Nataly [62]

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Step-by-step explanation:

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