Step-by-step explanation:
y is directly proportional to x^2.
This means that y = kx^2, where k is a real constant.
When x = 7, y = 245:
245 = k(7)^2 = 49k. By division, k = 5.
Now we know that y = 5x^2, when x = 9, y = 5(9)^2 = 5 * 81 = 405.
Answer:
2.5
Step-by-step explanation:
5/2=2.5
Answer:
530.
Step-by-step explanation:
If you take away 2819 from 3349, you'll get 530. That's how much more was deposited.
lmk if I'm wrong
The correct answer is 2 inches
Square out the quantity (sin + cos) and look at all the pieces. You'll find pieces equal to '1', and a piece equal to sin(2x).