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stepladder [879]
2 years ago
7

In a family with 77 children, excluding multiple births, what is the probability of having exactly 22 girls

Mathematics
1 answer:
Lemur [1.5K]2 years ago
4 0

Answer:

22/77

Step-by-step explanation:

just put the probable amount over the total amount for these

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What is the solution of the equation 2/3 + 5x/3= 9 ?
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Step-by-step explanation:

multipy both sides of the equation by 3 to remove the denominator becomes

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6 0
3 years ago
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kaheart [24]

Step-by-step explanation:

once the level of medicine reaches a value, where 30% are 23mL (so, whatever is lost, is immediately replaced again), that is then the long run value for the amount of the drug in the patient's body.

so,

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1% = 30%/30 = 23/30 = 0.766666666...

100% = 1%×100 = 0.766666666... × 100 = 76.666666...

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5 0
2 years ago
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