(63x³+45x²)+(7x+5)
108x²+7x+5 is your answer
Answer:x=5
2(3x-2)=6x-4
6x-4=26
6x=30
x=5
Step-by-step explanation:
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Answer: $12000 was invested at 7% while $8000 was invested at 9%.
Step-by-step explanation:
Based on the information given in the question, let the amount that was invested at 7% be n.
Therefore,
0.07n + 0.09(20000 - n) = 1560
0.07n + 1800 - 0.09n = 1560
-0.02n = 1560 - 1800
-0.02n = -240
n = 240/0.02
n = 120
Therefore, $12000 was invested at 7% while $8000 was invested at 9%.
Answer:
Y=500x+75
Step-by-step explanation:
