Answer:
243 .....................
Answer:
2 seconds and 38 seconds
Step-by-step explanation:
h=-16t²-vot
1,200=-16t²-640t
turn this into standard form
16t²-640t+1200=0
now plug thes numbers into the quadratice formula
a 16 b -640 c 1200
solve with quadratic formula to get ≅2 and ≅38 seconds
Answer:
2070
Step-by-step explanation:
23x90=2070
10x23=230
230x9=2070
please mark brainliest
Next, you are going to use the "keep, change, change" method. If you don't know what it means you are basically going to keep the first number the same, change the sign to subtraction, and finally change the negative number into a positive number.
13+-3
13-3
10
You are still getting the same results even if you didn't use this method.
Answer: the height is 12 in this situation.
Step-by-step explanation: PLZ mark brainliest !
Using the formula
V=ABh3
Solving forh
h=3V
AB=3·314
78.5=12
