Answer:
3
Step-by-step explanation:
See the photo attached
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Using the probability concept, it is found that:
a) P(girl) = 1/3, which means that 1/3 = 33% of the time, the first batter will be a girl.
b) P(boy) = 2/3, which means that 2/3 = 67% of the time, the first batter will be a boy.
<h3>What is a probability?</h3>
A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
In this problem, in a total of 15 people, 5 are girls and 10 are boys, hence:
More can be learned about probabilities at brainly.com/question/14398287
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Answer:
x = -4, y = 3/2
Step-by-step explanation:
simplify the 1st equation by dividing each term by 4 to get:
x + 2y = -1
-5x + 2y = 23
Subtract to get: 6x = -24
x = -4
find 'y': 2y - 5(-4) = 23
2y + 20 = 23
2y = 3
y = 3/2
Answer:
The surface area increases by 11.16 cm².
Step-by-step explanation:
First find the surface area of the original shape
A=2(wl+hl+hw) Use this equation to find the surface area of the rectangular prism.
A = 2[(4.6 x 14)+(32 x 14)+(32 x 4.6)] Multiply and add
A = 1319.2 cm²
Now increase the height by 0.3 cm
A = 2[(4.6 x 14)+(32.3 x 14)+(32.3 x 4.6)] Multiply and add
A = 1330.36 cm²
Subtract 1330.36 by 1319.2 = 11.16 cm²
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