Answer:
70°
Step-by-step explanation:
Size of angle a = (180°-40°) ÷ 2 (angle sum of triangle; base angles of isos triangle)
= 140° ÷ 2
= 70°
Answer:
40
Step-by-step explanation:
The slope is always going to be rise over run so the answer is 3/12 but in simplest form it is 1/4
Answer:
Not a function
Step-by-step explanation:
If you use the line/ pencil test ***I think that's what it's called...
you put a pencil flat on the graph and if it touches more than one point, it is not a function. This only works with some graphs.But it works with this one.
If 30% of his collection is 12 cars, then we can use the fraction
30/12=100/x
x=40
