Answer:
D
Step-by-step explanation:
If we look at the formula for compound growth and learn what each variable represents, we can solve this problem very easily.
The formula is:
Compound Growth >> 
Where
F is the Future Amount (accumulated amount after certain years)
P is the Initial Balance (principal amount)
r is the rate of interest (given in decimal)
n is the number of compounding (if 2, compounded semi annually, 4 means compounded quarterly, 52 means compounded weekly, and 365 means compounded daily)
t is the time in years
Now, the formula given is:
Comparing this with compound growth formula, we see that:
- 2500 is the initial balance
- 0.021 * 100 = 2.1% is the interest rate
- n = 365 means compounded daily
Now, looking at the answer choices, we see that D is the correct choice.
Answer:
2 square root 5
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The equation of the circle is equal to
where
(h,k) is the center and r is the radius of the circle
In this problem we have
center at (0,0) and radius equal 6 units
so
Remember that
If a point lie on the circle, then the point must satisfy the equation of the circle
Substitute the x-coordinate of point Q in the equation of the circle and solve for the y-coordinate of point Q
For x=4
simplify
The point Q lie on the first Quadrant (see the picture)
The y-coordinate is positive
therefore
The y-coordinate of point Q is 
Answer:
Each book costed $34.
Step-by-step explanation:
Let the cost of a book be x.
Add 9x to both sides:
Subtract 18 from both sides:
Divide both sides by 9:
Each book costed $34.
Answer:
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The first mechanic made $2000 for 10 hours. And the second mechanic made $1000 for 5 hours. So therefore if you add how much money they both made, how much moola would they be charged? just say something if you don't understand it.
