Answer:
The engine should be turned off at t = 1
Step-by-step explanation:
The detailed and step by step calculation is shown in the attachment below
7sqrt = 49 since the base is a square.
49 x 2 = 98 - since there's 2 of those identical squares.
7 x 5 = 35 - area of the rectangular face.
35 x 4 = 140 - since there's 4 of those faces.
140 added by 98 is 238.
So answer is B.
Answer:
-10
Step-by-step explanation:
50 ÷ (-5)
First ignore the brackets and the negative sign.
Then divide 50 by 5 to get 10
Then return the negative sign so the answer is; -10