Answer:
(4,5)
Step-by-step explanation:
The vertex is written in vertex form.
y = a(x - b)^2 + c
Vertex: (b,c) Notice the sign change on b.
So for your equation, you get (4,5) No sign change on the 5.
Multiplication property; distribution property of an exponent. Multiply exponents together, then distribute the ¨( )¨
Answer:
36 runners finished the race.
Step-by-step explanation:
In the first half of the race, 1/4 of them dropped, so we need to calculate 1/4 of 80:
(1/4) * 80 = 80/4 = 20
If 20 runners dropped out, now we have 80 - 20 = 60 runners.
Then, in the second half, 2/5 of the remaining runners dropped out, so:
(2/5) * 60 = 2*60/5 = 120/5 = 24
If 24 runners dropped out, now we have 60 - 24 = 36 runners.
So, 36 runners finished the race.
Answer:
The leghts of AB is 9 because both of the triangles are symmetrical. But also, this is a Equilateral triangle, which means that both of the sides are the same lengths (AB=AC)
