X² - 8x - 20 factors to give option
B) (x - 10)(x + 2)
x² + 8x - 20 factors to give option
A) (x - 2)(x + 10)
x² - x - 20 factors to give option C) (x - 5)(x + 4)
and x² - 9x - 20 is option D) Prime.
I hope this helps!
To right 1.6 as a percentage u would write 6
Answer:
1. B) -5/12
Step-by-step explanation:
Because -2 x 5 = -10
-10 + 2 = -12
Keep and change
-5/12 --> -12/5
Tan(52°) = opposite/adjacent = x/35 ⇒
x = 35 * tan(52°) = 35 * 1.2799 ≈ 44.80