melaniecabrerar43
contestada

Describe the error in the work shown. A small submarine starts at –1,260 feet in relation to sea level. Then it descends 5 feet per minute for 12 minutes. What is the new position of the submarine in relation to sea level? –1,260 + (–5)(12) = –1,260 + 60 = –1,200

Respuesta :

puppuchino

°°°°°°°°°°°°°°°°°°°°°°°°°°Answer:

-1,260 + (-5)(12) = -1,260 + 60

Step-by-step explanation:

caitybunnypops1

Answer:

he submarine is at -1260 ft.

It descends 5 ft/min for 12 min.

12 min * 5 ft/min = 60 ft.

It descended 60 ft, so you must subtract 60 ft from -1260 ft.

-1260 ft + (-5)(12) ft = -1260 ft - 60 ft = -1320 ft

The error in the last line in the problem is that (-5)(12) = -60, not 60.

The correct line is:

-1260 + (-5)(12) = -1260 - 60 = -1320

Step-by-step explanation: