Distribute the negative:
6x-3-8x-11
Combine like terms:
-2x-14
Simplify by factoring:
-2(x+7)
Answer:
20
Step-by-step explanation:
180-110=70
triangle=180
180=70+70+2x
2x=40
x=40/2
x=20
Answer:
1. (4, 3) and (8, 6)
2. Yes. The line shows a direct proportion. y = 0.75x
Try (20, 15) in the equation.
15 = 0.75(20)
15 = 15
Point (20, 15) works in the equation, so point (20, 15) is on the line.
3.
Let x = 100.
y = 0.75x
y = 0.75 × 100
y = 75
Since x = 100 gives y = 75, point (100, 75) is on the line.
4.
Let x = 90
y = 0.75x
y = 0.75 × 90
y = 67.5
For x = 90, y must be 67.5. Since this point is (90, 68), it is not on the line.
Answer:
415.96yds sq
Step-by-step explanation:
ok so you have two squares, three rectangles, two semicircles, and half the SA of a cylinder.
SA of the squares=(8*8)*2=128
SA of the rectangles=(10*8)*3=240
SA of the semicircles= 3.14*r*r=3.14*4*4=3.14*16=50.24
SA of half the cylinder= (2*3.14*r*h)/2= (2*3.14*4*10)/2=(3.14*80)/2=251.2/2=125.6
Now you add them all together
128+240+50.24+125.6=415.96
and you add units
415.96yds sq
multiply not divide you should get it
