chrischris1
29.07.2019 •
Mathematics
Ineed so someone plz give me the steps and answer and graph it so i can understand how to solve these types of problems again? + 6 = 4/5 ( + 3) 3a. identify the slope of the equation. 3b. identify the point used in the equation. 3c. graph the equation.
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Ответ:
y + 6 = 4/5x + (3(4))/5
y + 6 = 4/5x + (12)/5
y + 6 = 4/5x + 12/5
y + 6 (-6) = 4/5x + 12/5 (-6)
y = 4/5x + 12/5 (- 30/5)
y = 4/5x - 3.6 ( y = mx + b formula)
4/5 = 0.8
y = 0.8x - 3.6
x = 1
y = 0.8(1) - 3.6
y = - 2.8
x = 2
y = 0.8(2) - 3.6
y = 1.6 - 3.6
y = -2
x = 3
y = 0.8(3) - 3.6
y = 2.4 - 3.6
y = - 1.2
x = 4
y = 0.8(4) - 3.6
y = 3.2 - 3.6
y = - 0.4
x = 5
y = 0.8(5) - 3.6
y = 4 - 3.6
y = 0.4
etc.
graph using the (x,y)
connect the dots
hope this helps
Ответ:
Since the equation is in the form y-y1 = m(x-x1)
m = slope = 4/5
----------------------------------
3b. The point used is (-3,-6)
The equation y+6 = (4/5)(x+3) is the same as y-(-6) = (4/5)(x-(-3))
matching that up to y-y1 = m(x-x1) and we see (x1,y1) = (-3,-6)
----------------------------------
3c. The graph is shown in the attached images
We already have one point (-3,-6). To get another point, we use the slope.
Slope = rise/run = 4/5
rise = 4
run = 5
Start at (-3,-6). Move up 4 units and then to the right 5 units to get to the next point (2, -2).
Plot the two points (-3,-6) and (2,-2). Then draw a straight line through them.
Ответ:
each team wants 3 soccer balls --> 3t.
He already has 17 so it's 3t-17.