Answer:
-8x^2+6x-20
Step-by-step explanation:
2(x^2+3x)-10(x^2+2)
2x^2+6x-10x^2-20
(2x^2-10x^2)+6x-20
-8x^2+6x-20
0.17 in 1 hour
0.34 in 2 hours
0.51 in 3 hours
0.68 in 4 hours
Right triangle, Pythagorean Theorem:
c² = a² + b²
a=8, b=9
c² = 8² + 9² = 64 + 81 = 145
c = √145 inches
That's the exact answer but they want us to ruin it with an approximation.
c ≈ 12.041594578792296 inches
Answer: 12
Answer:0.5, half a gallon
Step-by-step explanation:
Answer: C
The total height of a 3 inch tree after it grows 2 inches per month
