Answer:
Step-by-step explanation:
Answer:
y= -10^7 + 13000x
Step-by-step explanation:
the -10^7 represents her intiall investment while 13000x represents the amout of money she had made from selling x amount of boats
The square root of 1 is 1, but the square root of 18 needs to be explored. 18 is 9*2, and 9 is a perfect square. So let's rewrite our original problem using that fact:
. We can pull out the square root of 1 as 1 and the square root of 9 as 3, leaving the 2 behind:
. And there you go!
When you want to increase percentage, you divide the percentage by 100 and add it to 1. When you want to decrease, you divide the percentage by 100 and take it away from 1.
Therefore, I think:
a) 429 X 1.31 = 561.99
b) 345 X 0.88 = 303.6
Answer:23
Step-by-step explanation: