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Natali5045456 [20]

3 years ago

13

A class has 10 boys and 12 girls. in how many ways can a committee of four be selected if the committee can have at most two gir

ls?

1 answer:

V125BC [204]3 years ago

5 0

<span> C(12,0)C(10,4)+C(12,1)C(10,3)+C(12,2)C(10,2) = (1)(210)+(12)(120)+(66)(45) = 210+1440+2904 = 4554 Answeer: 4554 ways</span>

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2 sin x cos x – sin x = 0

solniwko [45]

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Step-by-step explanation: Use formula sheet

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2 years ago

Solve for f: 6f + 9g = 3g + f

andrezito [222]

Answer:

f= -(6/5)g

Explanation:

We have been given the expression 6f+9g = 3g+f

Solve for f means find the value of f

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So, after simplification it will lead to 5f= -6g

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2 years ago

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There are 5 subjects each school day. Each subject is 45 minutes long. Lunch and recess are 35 minutes long. How long is the sch

timofeeve [1]

Answer:

4 hours and 33 minutes

Step-by-step explanation:

Before I answer, I was confused if recess and lunch are 35 minutes in total or 35 minutes each. My answer is if they are 35 minutes combined. If that's wrong, you can just add 35 minutes to my answer.

5*45 = 225

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