I see two lines. The degree measure of any line is 180°.
4y + 5y = 180°
9y = 180°
y = 180°/9
y = 20
Answer:
No.
Step-by-step explanation:
If n=3 the only thing you get is 6, which is not more than 6.
Answer:
B. 88.8
Step-by-step explanation:
let x represent class y
(x+71.2)/2=80 multiply each side by 2
x+71.2=160 subtract 71.2 by both sides
x=88.8
or
trial an error
replace x with each of the numbers and see if it plugs in.
example:
(80.5+71.2)/2=80
151.7/2=80
75.85=80?
false. incorrect
another example:
(88.8+71.2)/2=80
160/2=80
80=80?
true. correct
61 miles per hour, because if you divide 183/3 you will get 61.