
Cross multiply.
5.4x=9*25.8
5.4x=232.2 Divide both sides by 5.4
x=43
You're pretty close. It's all in the details.
A. Correct.
B. Correct.
C. Sign error in the boxed answer. -(-0.5) = 0.5
The graph shows c ≈ 1.855. If a is more than that and decreasing, area is increasing. The sign of dA/dt will be positive. (Compare to D)
D. Units are not shown. Numerical value is correct.
26.3 (5 out of 19) and 58.5 (72 out of 123)
May be wrong, but pretty sure it’s right
You just have to multiply each number by 180 and that's how many you have of each color respectively
Answer:
Each notepad would cost $5.