A. It’s the only one I could think of the other one didn’t work
Just has to be greater than or equal to 0... w and t can never be negative since taking the square root of a negative number yields an imaginary number which would mean imaginary current. Also the question states that w can't be zero but if T is zero than the current will be zero.
Answer:
D
Step-by-step explanation:
7x + 28 < 84
- 28 -28
7x < 56
÷7 ÷7
x < 8
If it was a negative 7 the arrow would change direction
<em><u>below</u></em>
Step-by-step explanation:
- <em><u>The general formula for the total surface area of a cylinder is T. S. A. =2πrh+2πr2 </u></em><em><u>•</u></em>