Answer:
A: The rate of change is 10% per year.
Step-by-step explanation:
The rate of change is simply the change in value divided by the change in time. In this case, the change in value is $1080 - $720 = $360, and the change in time is 12 years. Therefore, the rate of change is $360 / 12 years = $30 per year.
I’m sorry I can’t help but pray
Answer:
Since b^2 -4ac = 256 we have 2 real distinct root roots
Step-by-step explanation:
4x^2+12x=7
We need to subtract 7 to get it in the proper form
4x^2+12x-7=7-7
4x^2+12x-7=0
The discriminant is b^2 -4ac
when the equation is ax^2 +bx+c
so a =4 b=12 and c=-7
(12)^2 - 4(4)(-7)
144 +112
256
If b^2 -4ac > 0 we have 2 real distinct roots
If b^2 -4ac = 0 we have one real root
If b^2 -4ac < 0 we have two complex root
Since b^2 -4ac = 256 we have 2 real distinct root roots
Solve for y
let's put our equation first
Flip the equation
Now follow the rule of
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add to both sides
Divide both sides by
would equal
24.5 Celsius.
<span>
</span>The temperature t in degreen Celsius is equal to the temperature T in the degrees Fahrenheit minus 32, times 5/9