Answer:
x=5
Step-by-step explanation:
it all adds up to 180 so set (9x+2)+133=180
-133=-133
47
9×5=45+2=47=47
approximately 2/3 of all students are not wearing braces because 165 (the difference of 250-85) /250 is 0.66
Hello,
Let's be x and y the 2 numbers
x+y=20==>y=20-x
P(x)=x*y=x*(20-x)=20x-x²
Max(P(x))==>P'(x)=0= 20-2x==>2x=20==>x=10
A product is maximum is the 2 numbers are equals;
Numbers are 10 and 10 and product=100
