Answer:
84 points
y= 100-2x where y= total score (0 through 100) and x= # of questions wrong (0 through 50)
Step-by-step explanation:
100- 2(8) = y
100-16 = y
84=y
Since each question (x) is worth two points (2) we have to multiply each wrong question by two (2x). And then since we're deducting point from the possible points (100) we have to subtract (100-2x)
Answer:
They ate 1 1/2 pizzas
Step-by-step explanation:
3/4 plus 3/4 equals 6/4 which simplifies to 1 1/2 so draw one full pizza and another half of a pizza
Answer:
D.
Step-by-step explanation:
I assume you mean 
. Simply plugging in numbers will give you points that match up with the graph. 
and 
when x = 1 and x = 2 respectively.
3x9x10^1
27x10^1
27x100
2700
no 28
solution
(AB)=100
ABC+CBD=100
4x+2+3x-7=100
7x-5=100
7x=100+5
x=105/7
x=15
(CBD) =3x-7
3(15)-7
45-7
38
Step-by-step explanation:
by using above information
