Answer:
The answer is 1/2 second
Step-by-step explanation:
Hope this helps
Answer:
x=1, 4.5
Step-by-step explanation:
-(-11)plus/minus square root of (-11)^2-4(2)(9) divided by 2 times 2
Notice, ending ends makes it easeier
1+20=21
2+19=21
...
10+11=21
there are 10 pairs of numbers
they add to 21
10 times 21=210
the sum is 210
Answer:
39
Step-by-step explanation:
The answer is 1 I’m pretty sure