Answer:
-4
Step-by-step explanation:
This looks like point-slope form, which I find personally hideous. Let's change it to slope-intercept form to ease my conscience. (remember that slope-intercept form is y=mx+b, where m=slope and b=y-intercept!)
y - 5 = -4(x-8)
y - 5 = -4x + 32
y = -4x + 37
It's in slope-intercept form now! And -4 looks to be our m.
<u>So the slope is -4.</u>
Answer:
y = - 3/2x - 4
Step-by-step explanation:
m = - 3/2 ( use the opposite reciprocal of the slope given) Perpendicula lines have opposite reciprocal slope
2. Find b by plugging in the m and one of the points given into y = mx + b
5= - 3/2 ( - 6 ) + b
5 = 9 + b
- 4= b
3. Write the equation using the m and the b you just found
y = - 3/2x - 4
30 choices for first seat
29 for 2nd
28 for 3rd
27 for 4th
answer is 30*29*28*27=657720 ways
The answer is 8.25
110/x=100/7.5
<span>(110/x)*x=(100/7.5)*x - </span>
<span>110=13.333333333333*x -
</span>(13.333333333333) to get x
<span>110/13.333333333333=x </span>
<span>8.25=x </span>
x=8.25
Answer:
The equation of the perpendicular line would be y = -5/2x + 7
Step-by-step explanation:
In order to find this line, we must first find the slope of the original line. We do this by solving for y.
2x - 5y = 6
-5y = -2x + 6
y = 2/5x - 6/5
This shows us a slope of 2/5. TO find the perpendicular slope, we use the opposite and reciprocal. This means we negate 2/5 to get -2/5 and then we flip it to get -5/2. Now that we have this, we can use the slope and the point in point-slope form to get the equation.
y - y1 = m(x - x1)
y - 2 = -5/2(x - 2)
y - 2 = -5/2x + 5
y = -5/2x + 7
