6 - r = 2 (subtract 6 from both sides)
Your left with: -r = -4 (divide each side by -1)
Answer: r = 4
Answer:
The product is the difference of squares is
Step-by-step explanation:
Explanation
- The given expression is (5 k+6)(5 k-6).
- We have to multiply the given expression.
- Square the first term 5k. Square the last term 6 .
The formula for exponential growth is y=a(1+r)
. Where a is the initial value when time is 0 (100 in this case). r is the growth rate, we can see that the growth is 10%. And x is how much time has passed, we want to find out how many trucks after 9 years.
So we would plug the values in to get y=100(1+.1)
. Solving this gives us 235.79, so we would round up to 236, and our answer would be 236 trucks registered in the city in year 9.
Edit: The x and the 9 are exponents, the formatting made them look a bit weird.
Answer: he used incorrect time ratio
He incorrectly concluded that she is not running fast enough
Step-by-step explanation: