Answer:
9
Step-by-step explanation:
the absolute value of -3 is 3
so; 3*|-3| =3*3 =9
Step-by-step explanation:
if one pump = x
the other pump = 2x
therefore
x + 2x = 8 minutes
3x = 8 minutes
Divide through by 3
x = 8/3 minutes
converting it to seconds
x = 8/3 * 60
x = 160 seconds
therefore
the first pump = 2x = 2 * 160 = 320 seconds
the second pump = x = 160 seconds
Answer:
- (3, -5)
- (2.5, -2.5)
- (0.25, 8.75)
- (3/4, 6 1/4)
Step-by-step explanation:
We assume that "make a function machine" means to program a spreadsheet or calculator to calculate values of the function for different inputs. Just about any graphing calculator or spreadsheet is a suitable platform. Attached is a screeenshot using the free Desmos online graphing calculator.