Answer:
A. x equals 5 plus or minus the square root of thirty-three all over 2
Step-by-step explanation:
Let's move all the terms to one side:
Now, we want to use the quadratic formula, which states that for a quadratic equation of the form , the roots can be found with the equation: or .
Here, a = 1, b = -5, and c = -2, so plug these in:
OR
Thus, the answer is A.
Hope this helps!
F(x)= -4.
Just plug in -1 for your x in 2x-2 and solve like a normal equation. Think of f(x) a your y because that's basically what it is. If it helps, the equation is basically:
y=2x-2 so you would just solve for y by plugging in -1 into x.
Answer:
1 hour after 2 weeks
Step-by-step explanation:
She rides 3 days a week, and 10 minutes a day. Multiplying 3 and 10 gets you 30 minutes a week. Over a 2 week period, that is 60 minutes (1 hour)
Answer:
A. $41.40
Step-by-step explanation:
Take 36 multiply by the decimal percentage (.15) =5.4 then simply add