Answer:
Step-by-step explanation:
One of the most important things to understand about lines is the definition of slope. Slope is the 'steepness' of the line, also commonly known as rise over run. We can calculate slope by dividing the change in the y-value between two points over the change in the x-value.
ABCD is a square . if the coordinates of three of its vertices are A(-1,2a), B(a,2a), C(a,0), find the coordinates of D. BC is obviously 2a (it's a vertical line) then AB must be 2a (notice AB is horizontal) so BC = AC because it is a square 2a = a+1 a=1
(1) -6 x + 8 x = -46 Answer = -23
(2) w + 3/4 = w - 2/2 Answer = {}
(3) 2 x + 16 = 3(x - 9) Answer = 43
(4) Answer D)
(5) -3 x + 4 = -8 Answer x = 4
(6) C)
(7) B)
(8) C)
(9) x + 3/5=2 Answer x = 7/5
(10) 4 - 2 x = 10 Answer x= = -3
If something is wrong apologize, I hope it helps.
Solve for x by cross multiplying
Exact form: x= 191/7
Decimal form :x=27.28571428
Mixed number form:x=27 2/7
Answer:
i would say for the second one 2.5 and the first one about 30
Step-by-step explanation: