Answer:
x = 7 x = -6
Step-by-step explanation:
x^2−x−42=0
Factor
What two numbers multiply to -42 and add to -1
-7*6 = -42
-7+6 = -1
(x-7) (x+6) =0
Using the zero product property
x-7 =0 x+6 =0
x = 7 x = -6
Answer:
x= 25/6 it is the same in both equations
Answer:
44) 40%
46) 33.3%
68) 8%
74) 72 units
Step-by-step explanation:
44) 20/50= .2= 2-%
46) 5/15= .333= 33.3%
68) 24/300= .08= 8%
74) .8x90= 72
decimal can be made into percents multiplying by 100 (decimal point 2 spots to the right)
percent can be made in to decimals by dividing by 100 (decimal point 2 spots to the left)
Answer:
hi u have not made it clear to what u want to total so just guessing
Step-by-step explanation:
3+22+28.35+3.21+2.21 =58.77
