HELP PLSSS I BEG UUUU
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Answer:
d = -1/3, 0
Step-by-step explanation:
Subtract the constant on the left, take the square root, and solve from there.
(6d +1)^2 + 12 = 13 . . . . given
(6d +1)^2 = 1 . . . . . . . . . .subtract 12
6d +1 = ±√1 . . . . . . . . . . take the square root
6d = -1 ±1 . . . . . . . . . . . .subtract 1
d = (-1 ±1)/6 . . . . . . . . . . divide by 6
d = -1/3, 0
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Using a graphing calculator, it is often convenient to write the function so the solutions are at x-intercepts. Here, we can do that by subtracting 13 from both sides:
f(x) = (6x+1)^ +12 -13
We want to solve this for f(x)=0. The solutions are -1/3 and 0, as above.
Answer and Step-by-step explanation:
First, you need to make the function to represent the information given.
We start with 70,000 in the account, and have an interest rate of 6.2%.
We want to know how long it will take to get $223,200.
The equation for simple interest is:
A =
Where A is the total amount, P is the principle amount of money, r is the rate, and t is the time.
Now, we plug in the values and solve for t.
t = 0.353
Multiply by 100 to get the years.
t = 35.3
So, it will take Allison 35.3 years to get 70,000 dollars to 223,200 dollar with an interest rate of 6.2%
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