Answer:
-x^2 + 8x - 16.
Step-by-step explanation:
That would be -1(x - 4)^2.
= -(x^2 - 8x + 16)
= -x^2 + 8x - 16.
Answer:
x=260 texts
Step-by-step explanation:
85=0.25x+20
Subtract 20 from each side.
65=0.25x
Divide both sides by 0.25.
260=x
260 texts plus the $20 flat fee will cost $85.
43.75LB is the answer. I’m assuming you mean 28 divided by 0.64
The major advantage of exponential notation is that it simplifies a number into a more readable form, so we don't have to count all the zeros every time we look at it / calculate it. It helps us to identify big numbers as small decimals which we are more familiar with.
