s1004019694
31.01.2020 •
Mathematics
For the graph shown, select the statement that best represents the given system of equations. number graph ranging from negative seven to eight on the x and y axes. a line is drawn on the graph that crosses the x axis at (negative three, zero) and crosses the y axis at (zero, five). a second line is drawn on the graph, which crosses the y axis at (zero, three) and crosses the x axis at (four, zero). 2y – 3x = 9 4y + 3x = 12 a. coincident b. inconsistent c. consistent and independent d. not enough information
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Ответ:
Ответ:
1. Pythag: A^2+B^2= C^2
4^2+3^2= 25, then you would need to square root to get 5.
2. 90-61= 29 degrees, knowing that, 180-(29x2)=122 degrees.
To solve for x, it's simply 180-122; which is 58 degrees. Which makes sense since 61+61 = 122.