Answer:
Step-by-step explanation:
we have

This is the equation of a vertical parabola open downward
The vertex represent a maximum
Convert the quadratic equation into vertex form
step 1
Factor -2

step 2
Complete the square


step 3
Rewrite as perfect squares
----> equation in vertex form
The vertex is the point (1,5)
Answer:
20 cups of apple juice
Step-by-step explanation:
Answer:
Dave is 6 years 4months 16 days 12 hours old
Step-by-step explanation:
Age of Dave Dog = 10year( 1 decade)+ 9 months+3 days
Age of Dave=

= 6 years 4months 16 days 12 hours
Answer:
a=-8
b=-29
Step-by-step explanation:
Let's assume
first number is a
second number is b
the difference of two numbers,a and b,is 21
so, we get

we can solve for 'a'

the difference of five times a and two times b is 18
so, we get

now, we can plug 'a'

now, we can solve for b




now, we can find 'a'

