X+y=24 so we can say
x=24-y making 3x+5y=100 become
3(24-y)+5y=100
72-3y+5y=100
72+2y=100
2y=28
y=14, since x=24-y
x=10
So there are 10 3-point questions and 14 5-point questions.
I think the answer is z€0
Answer:
On the map:
0.8 mile / 1.5 inches
= 0.533 mile / 1 inch
Total distance on the map:
0.6 inches
distance travelled in miles:
0.6 * 0.533 = 0.32 miles
please mark brainly if you want
Answer:
4
Step-by-step explanation:
In a function, every point is mapped to at most one other point. B is the answer.
In A, -1 maps to 2 points.
In C, 3 maps to 2 points.
In D, 2 maps to 2 points.
So they are not functions.