On a coordinate plane, points (1, 2), (3, 6), and (5, 10) are plotted. Which characteristics tell you that this graph shows a pr
oportional relationship? Check all that apply. Three points are on the graph. A straight line can be drawn through the points. The ordered pairs all have the same x- and y-values. The line connecting the points passes through the origin.
1 answer:
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Answer:
x =
Step-by-step explanation:
Given
+
= 1
Multiply through by ab to clear the fractions
bx + ax = ab ← factor out x from each term on the left side
x(b + a) = ab ← divide both sides by (b + a)
x =
Answer:
a = 3
Step-by-step explanation:
1) Simplify 5a - 9 + a to 6a - 9.
2) Add 9 to both sides.
3) Simplify 9 + 9 to 18.
4) Divide both sides by 6.
5) Simplify 18/6 to 3.
Therefor, the answer is, a = 3.