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plshelpme53
04.02.2021 •
Mathematics
A line passes through the points (5,21) and (7,23). Write a linear function rule in terms of x and y for this line.
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Ответ:
x=6
Step-by-step explanation:
Ok so to do this you need to know if you add up all the sides of a triangle [This is for triangles] you get 180 every time.
So you already have two given angels. 70 and 60.
Lets make it an equation.
70+60+8x+2=180
It looks long and hard but we can simplify this if we go ahead and add up all the common factors. In this case would be all the numbers with no variables.
132+8x=180
You don't add the 180 because its on the opposite side of the equation.
Now you need to get the variable alone. To do that you need to do the opposite operation. In this case, that would be subtraction
132(-132)+8x=180(-132)
8x=48
Divide the 8.
x=6
8(6)+2=50