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julsineya [31]
3 years ago
15

Two students from a group of eight boys and 12 girls are sent to represent the school in a parade.

Mathematics
2 answers:
Rama09 [41]3 years ago
6 0

The correct answer is:

C. \frac{62}{95}

If the students are chosen at random the probability that the students chosen are not both girls is \frac{62}{95}.

|Huntrw6|

harkovskaia [24]3 years ago
4 0
The answer is 62/95. You determine this by calculating the probability of both students being girls. 

Probability first student is girl: 12/20
Probability second student is girl: 11/19
Multiply 12/20 * 11/19 = 132/380 or 0.347
Probability of both students not being girls: 1 - 0.347 = 0.653 or 62/95
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P partitions GR in ratio 2:4. GR is 36cm. How long is GP and PR?
Allushta [10]

Answer:

12 cm and 24 cm

Step-by-step explanation:

The line is divided in the ratio 2 : 4 = 2x : 4x ( x is a multiplier )

The sum is therefore

2x + 4x = 36

6x = 36 ( divide both sides by 6 )

x = 6

Thus

GP =  2x = 2 × 6 = 12 cm

PR = 4x = 4 × 6 = 24 cm

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3 years ago
The variables A, B, and C represent polynomials where A = x + 1, B = x2 + 2x − 1, and C = 2x. What is AB + C in simplest form?
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AB + C
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3 years ago
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Lynna [10]

Answer:

7/12 , 3/4 , 5/6

Step-by-step explanation:

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3 years ago
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Use the angle measures and side lengths to classify the triangle. A) right scalene B) acute scalene C) right isosceles D) obtuse
timurjin [86]
A right scalene is the answer
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Answer:

Step-by-step explanation:

K(0 , 4)

Midpoint M (3 , 3)

Let Point  L(x₂ , y₂)

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Compare x and y coordinates

\frac{x_{2}}{2}=3    ;  \frac{4+y_{2}}{2} = 3

Cross multiply,

x₂ = 3*2     ; 4 + y₂ = 3*2

x₂ = 6        ;  4+ y₂ = 6

                         y₂ = 6- 4

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L(6 , 2)

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3 years ago
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