Answer:
84 degree
Step-by-step explanation:
the new supposed line is parallel to the given parallel lines..
7(8)+7(d)
56+7d=
The question mark would be 7.
Answer:
5a - 1
Step-by-step explanation:
add common terms
2a - 5 + 3a + 4
2a + 3a and -5 + 4
5a - 1
:)
2 x
----- = ------
3 15
cross multiply
(3)(x) = (15)(2)
3x = 30
x = 30/3
x = 10
so 2/3 = 10/15.......notice how these are equivalent fractions....that is because proportions are nothing but equivalent fractions