Answer:
Reciprocal of 5/18 is 18/5.
5/18 x 18/5 = 90/90
= 1
Answer:
False solution; [1⅐, -3 3⁄7]
Step-by-step explanation:
{x - 2y = 8
{4x - y = 8
-¼[4x - y = 8]
{x - 2y = 8
{-x + ¼y = -2 >> New Equation
____________
-1¾y = 6
y = -3 3⁄7 [Plug this back into both equations to get the x-coordinate of 1⅐]; 1⅐ = x
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Answer:
134 degrees
Step-by-step explanation:
3x-6=180
3x=186
x=62
2x+10
=124+10
=134
4. 20 minutes
Explanation- It's the only answer with "minutes" as an answer.