Answer:
5i
Step-by-step explanation:
-25 can be written as 25 x -1
so root -25 is equal to root 25 x -1
root -1 can also be written as i
so root -25 is root 25 multiplied by i
simplifiying this to 5i
Answer:
x=12
Step-by-step explanation:
Distribute:
3x - 3 = 2x + 9
Combine like terms to one side:
x = 12
Answer:
14 to 8 I think
Step-by-step explanation:
Not too sure but looked on my old ratios sheet and there's 80:140 so that could be right but honestly none of these look right, I attached the photo of what my teacher told us to use last year to check answers
Realizing that the mental barriers of being scared to be wrong or too slow were getting in the way and stopping his kids from even attempting to solve problems, Gallin decided to change his approach.
If you can graph a function, you can graph piecewise functions. Each one of them is a different line or curve within the domain for that specific line of curve. If the domain states it's less than or greater than a number, you circle that point on the line. If the domain states it's also possibly equal to the point at the beginning or the end, you make a closed dot.
I"m sure that's clear as mud, please respond with any additional questions.
