Step-by-step explanation:
2x + 18
x = 18÷2
x=9
hence the answer is 9
Saw the image of the wheel chair ramp. http://prntscr.com/aijltf
There are 2 shapes in the ramp. Right triangle and rectangle.
Triangle measurements : There are 2 triangles, left and right side of the ramp.
Long leg: 25 ft ; short leg: 25 inches
1 foot = 12 inches
25 inches * 1 ft/ 12 inches = 25 ft/12 = 2 1/12 ft
Area of the right triangle = ab / 2 = (25 ft * 25ft/12) ÷ 2
A = (625 ft² / 12) ÷ 2 = 625 ft²/12 * 1/2 = 625 ft² / 24 = 26 1/24 ft²
Area of 2 triangles = 625 ft² / 24 * 2 = 1250 ft² / 24
⇒ 52 2/24 or 52 1/12ft²
Area of Big Rectangle = Length * Width
A = 25 1/2 ft * 5 ft
A = 51/2 ft * 5 ft
A = 255 ft² ÷ 2 = 127 1/2 ft²
Area of small rectangle = Length * Width
A = 5 ft * 25 inches
A = 5 ft * (25 in * 1ft/12 in)
A = 5 ft * 25 ft/2
A = 125/2 ft² or 62 1/2 ft²
Sum of all Areas:
2 Triangles : 1250/24 ft² ⇒ 625/12 ft²
Big rectangle : 255/2 ft²
Small rectangle : 125/2 ft²
255/2 ft² * 6/6 = 1530/12 ft² ⇒ big rectangle
125/2 ft² * 6/6 = 750/12 ft² ⇒ small rectangle
625/12 ft² * 1/1 = 625/12 ft² ⇒ 2 triangles
Sum of 4 areas: 2,905/12 ft²
1 quart of stain covers 100 square ft.
2905/12 ÷ 100 = 2905/12 * 1/100 = 2905/1200 = 2.42 quarts needed to stain the wheelchair ramp.
Answer:
Step-by-step explanation:
please see the attached files for more details
Answer:
parallel
Step-by-step explanation:
The answer is parallel because Since parallel lines never cross, then there can be no intersection; that is, for a system of equations that graphs as parallel lines
The problem says that line TQ is 18 units. The little red line through TQ and TR means that both lines are the same, so TR also equal 18 units.
We can solve for x in the equation for TR :
2x+10 = 18
Subtract 10 from each side:
2x = 8
Divide both sides by 2:
x = 4
Because TQ and TR are identical, RS and QS are also identical so we can replace X with 4 in the equation for QS:
9(4) -11 = 36 - 11 = 25
RS = 25 units.