The sum is
Answer : 840
1 + 41 = 42
2 + 40 = 42
___________
20 pairs
20 × 42 = 840
Answer:
Step-by-step explanation:
When the ball hits the ground, the height is 0.
0 = 100 - 16t²
0 = (10 - 4t)(10 + 4t)
0 = 10 - 4t or 0 = 10 + 4t
4t = 10 or -4t = 10
t = or t =
Time cannot be negative (unless you have a time machine) so disregard
Answer: t = = 2.5 seconds
Answer:
the answer is 50 gallons
Step-by-step explanation:
200/4 = 50
Answer:
Step-by-step explanation:
Factorization of a Quadratic polynomial:
Multiplication of two binomial:
(a+b)(c+d)
=a(c+d)+b(c+d)
=(ac+ad)+(bc+bd)
=ac+ad+bc+bd
Given that,
[ taking common 2]
[ cancel 2]