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aleksandrvk [35]
3 years ago
14

If a= 2,b= -1,c= -3 and d = -2 evaluate the following Q1. ab-3b+4d , Q2. 5abd+3bc-2ax and Q3. 2(ab)^2+bc^2​

Mathematics
1 answer:
Serggg [28]3 years ago
8 0

Answer:

the answer for question 1 is -7

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Let d = # of dimes

Let q = # of quarters

equation #1: number of coins

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equation #2: value of coins

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Solve #1 for d:

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Sub #1 into #2 and solve for q:

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