Answer:
C. I and III
Step-by-step explanation:
The 2 at the upper left means the divisor is x - 2.
The result at the bottom means the quotient is 3x^2 - 4x + 2.
Answer: C. I and III
Boys= n
Girls= 2n +3
n +2 n +3 = 3n+3
24-3= 3n
21= 3n
21/3= n
n=7
There are 7 boys in the class and 17 girls
Answer:
3b-10=20
Step-by-step explanation:
3b-10=20
3b-10+10=20+10
3b=30
3b/3=30/3
b=10
You only need two points to describe a linear equation because there are only two unknowns from y=mx+b, namely m, the slope and b the constant or y-intercept.
You can find the slope by finding the change in y divided by the change in x from any two points...here I'll use (0,5) and (1,3)...so the slope or m is:
m=(dy/dx)=(3-5)/(1-0)=-2 now are line so far is:
y=-2x+b and we can use any point now to solve for be, I'll again use (1,3)
3=-2(1)+b
3=-2+b
5=b now we have solved for both m and b our line is:
y=-2x+5
The range real numbers.
Range is possible y-values
