First, take half of the coefficient of 18x then square it.
18 / 2 = 9
9^2 = 81
So, D. 81 is the answer.
Single interest uses an arithmetic formula where as compound interest uses a geometric formula
Try multiplying the original price by the decimal so for example 22.50x0.18
Answer:
For question y=x+3
Your answer is y=(2x+1)+3
Step-by-step explanation:
Answer: A 15/100
Step-by-step explanation:
1. Convert 17/20 into percents
2. You get 85% Which is how much of her homework she has completed
3. To find what she has left subtract 85 from 100
4. You get 15 or 15/100 or 15% more of the test she hasn’t completed and needs to complete
