Look at the picture.
![m\angle a=\dfrac{180^o-46^o}{2}=67^o\\\\m\angle b=180^o-67^o=113^o\\\\m\angle x=\dfrac{180^o-113^o}{2}=33.5^o\\\\Answer:\ [1]\ 33.5^o](https://tex.z-dn.net/?f=m%5Cangle%20a%3D%5Cdfrac%7B180%5Eo-46%5Eo%7D%7B2%7D%3D67%5Eo%5C%5C%5C%5Cm%5Cangle%20b%3D180%5Eo-67%5Eo%3D113%5Eo%5C%5C%5C%5Cm%5Cangle%20x%3D%5Cdfrac%7B180%5Eo-113%5Eo%7D%7B2%7D%3D33.5%5Eo%5C%5C%5C%5CAnswer%3A%5C%20%5B1%5D%5C%2033.5%5Eo)
4 The pet store has 6 fish tanks.
1 answer:
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Assuming you want the equation in slope intercept form, you first need to use slope formula to find the slope.
Plug in the coordinates that you have, (3,-1) and (4,7), for the x and y values respectively.
Which reduces to 8/1=8.
The slope of your equation is 8.
Slope intercept form is: y=mx+b. m is your slope and b is your y-intercept, x and y stay unchanged.
Plug the slope in:
y=8x+b.
Now, you can plug one of the sets of coordinates into the x and y of the equation to find b. I'm using (3,-1).
-1=8(3)+b
-1=24+b
Subtract 24 from both sides.
-25=b
Now plug this into the equation!
y=8x-25 is your final equation.
I hope this helps :)