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tester [92]
2 years ago
13

A science class has

Mathematics
1 answer:
VMariaS [17]2 years ago
8 0
The probability that the teacher selects both boys from a seventh grader and eighth grader.
first calculate the probility that it is boy in each grade
7th
x = 7 / ( 7 + 3) = 7 / 10

8th
y = 2 / (2 + 2) = 1 / 2

so the probability
P = ( 7 / 10 ) ( 1 / 2 )
P = 0.35
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Step-by-step explanation:

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The amount of green jelly beans in a bag is 25%. If there are 12 green jelly beans, how many total
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Whole numbers greater than 9 but less than 14
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solniwko [45]
ANSWER: FG = 69

FG = FK + KG
KG = 1/2(FK)
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RULE: When it comes to centroids, the longer section of the line is always 2/3 of the entire line (+ the shorter section of the line is always 1/3). This means that the shorter section of the line is HALF of the longer section of the line.

FG = FK + KG
FG = 46 + 46/2
FG = 46 + 23
FG = 69

CHECK:
FK = 2/3(FG)
46 = 2*69/3
46 = 138/3
46 = 46 ✔️

or

KG = 1/3(FG)
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46/2 = 69/3
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