Y = 2x² + 30x + 200
y = 2(x² + 15x + 100)
x² = x*x
100 ⇒ 1 x 100 ; 2 x 50 ; 4 x 25 ; 5 x 20 ; 10 x 10
200 = 2x² + 30x + 200
0 = 2x² + 30x + 200 - 200
0 = 2x² + 30x + 0
0 = 2(x² + 15x + ?)
<span>−5 ≤ x ≤ 20</span>
Answer:
yes
Step-by-step explanation:
Answer: the first one is C
the second one is B
Pound is closest to a kilogram
Answer:
<u>160 ounces</u>
Step-by-step explanation:
A pound = 16 ounces
16x10=160 ounces
