The answer to 15 is addition and multiplication
the answer to 16 is 0
Answer:
The perimeter of triangle is 19.8 units
Step-by-step explanation:
we know that
The perimeter of triangle ABC is
the formula to calculate the distance between two points is equal to
step 1
Find the distance AB
we have
substitute in the formula
step 2
Find the distance BC
we have
substitute in the formula
step 3
Find the distance AC
we have
substitute in the formula
step 4
Find the perimeter
substitute the values
Answer:
Approximately 1.9 seconds (correct to nearest tenth)
Step-by-step explanation:
Looks like the function is d = -16t^2 + 55 ( you left out the t)
The answer is the value of t when d = 0 so we have the equation:-
0 = -16t^2 + 55
16t^2 = 55
t^2 = 55/16
t = sqrt (55/16)
= 1.85 seconds
Answer:
7200000
Step-by-step explanation: