A
given that y varies directly as x, then the relationship is
y = kx ← k is the constant of variation
To find k use the given condition x = 3 when y = 24
y = kx ⇒ k = 
= 
= 8
y = 8x
The area of a triangle is 1/2 of base times height
for ΔPQS, the base is PS=6, the area is 16.5, so the height is 16.5×2÷=5.5
the height of the triangles is also the height of the trapezoid.
<h2>Answer:</h2>
2 fewer than the quotient of a and 5
(x/5)-2
<h3>#CarryOnLearning</h3>
Answer: Mrs. Jefferson should plan to spend 119.1 on wallpaper
Step-by-step explanation:
She would like to wallpaper everything but the door. It means that the area to be covered by the wallpaper would be the area of the 4 walls of the room - the area of the door.
The room is 18ft in length and 12ft in width. Thea area of each side of the room is
18 × 12 = 216 square feet
Area of the 4 sides of the room is
216 × 4 = 864 square feet
The door is 7ft in width and 3 ft in length. Area of door is
7 × 3 = 21 square feet
Area to be covered is
864 - 21 = 843 square feet
Each roll of wallpaper covers approximately 160 square ft. Therefore, the number of rolls needed is
843/160 = 5.26
Since the rolls cannot be a fraction, then she needs 6 rolls
Since a roll costs 19.85, the cost of 6 rolls is
19.85 × 6 = 119.1
If m and n are two positive real numbers whose product is 10, what is the minimum value of m + 2n
2 + 2(4)
