What system of equations would model this situation?
1 answer:
Answer:
n+d=45
5n+10d=375
Step-by-step explanation:
n+d=45
Is the amount of nickels +dimes=45 total coins
5n and 10d is the amount those coins are worth
Since those don't have decimals, the answer must be a whole number.
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B) 29
Because 20^2+21^2=c^2
The picture show the answer and steps. x equals 5
<span>P(X=12) = 24C12 * (0.5)^12 * (0.5)^12
= 0.161 to 3 d.p.
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The first bullet is the answer
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