Answer:
- Line XY is a line
- Distance XY is the length between the two letters.
Step-by-step explanation:
- When there's a line over two letters, that is a line.
- When there's nothing above the two letters. it is the length between the two points on the line.
Be very careful with these two meanings.
Answer:
C, sin(x), -1
Step-by-step explanation:
right on Edge
split up the equation using the sine sum equation
Answer:
1 divided by 20 is equal to 0.05.
Step-by-step explanation:
In this problem, we need to find 1 divided by 20 is equal to what.
1 should be in the numerator and 20 should be in the denominator.

Hence, 1 divided by 20 is equal to 0.05.
Answer:
3 x^2 +12x-9
Step-by-step explanation:
5x^2 - (2x-3)^2
We need to FOIL the second term
(2x-3)^2 = (2x-3) (2x-3) = 4x^2 -6x-6x+9 = 4x^2 -12x+9
Replacing it in to the original equation
5x^2 - (4x^2 -12x+9)
Distribute the minus sign
5x^2 - 4x^2 +12x-9
Combine like terms
x^2 +12x-9