Remember you can do anything to an equation or inequality as long as ou do it to both sides
also, when multiplying by a negative number in an inequality, don't forget to flip the sign
5+5(x+4)<20
minus 5 from both sides
5(x+4)<15
divide both sides by 5
x+4<3
minus 4 from both sides
x<-1
Answer:
7
Step-by-step explanation:
When finding the x intercept you replace the y with 0 leaving only x=7
Its c first find area of the whole thing with piece cut out.(240) then of the cut out piece (12) 240-12=228 C
Answer:
60cm^2
Step-by-step explanation:
15 times 8 = 120
divided by 2 = 60
