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NARA [144]
3 years ago
5

In a test gender selection technique results consisted of 250 baby girls and 234 boys. Based on this result what is the probabil

ity of a girl born to a couple using this technique?
Mathematics
1 answer:
Assoli18 [71]3 years ago
8 0

Answer: 125/242

Step-by-step explanation: Probability is favorable outcomes over all outcome, since there were 250+234 total outcome, and 250 were favorable (girls), then the probability is 250/250+234=250/484=125/242

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3 years ago
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Answer:

x = 9

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

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Step 2: Subtract 3x from both sides.

2x+10−3x=3x+1−3x

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7 0
3 years ago
Angle A and angle B are complementary. If m angle A = (9x – 40)º, m angle B = (2x + 42)°, then find m angle B.​
Artyom0805 [142]

Answer:

angle B = 58

Step-by-step explanation:

Complementary means that both angles add up to 90°.

Both angles are 9x-40 and 2x+42. Sum of both equal 90°

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Combine like terms — we get:

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Since we want to find angle B, substitute x = 8 in 2x+42

angle B = 2(8)+42

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5 0
3 years ago
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