8' x 10' = 8.89 square yards
1 yard = 3 feet
8 ft * 1 yd/3ft = 2.67 yd
10 ft * 1 yd/3ft = 3.33 yd
8' x 10' = 2.67 yd x 3.33 yd = 8.89 square yards
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288 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
16 + 2x = 10 + 8x 2x - 8x = 10 - 16 -6x = -6 x = 1 Check: 16 + 2(1) = 10 + 8(1) 18 = 18
Suppose the height is 15x cm. Then the width is 8x cm. Then the surface area is 2*(15x*8x + 8x*22 + 22*15x) cm2 Therefore 2*(15x*8x + 8x*22 + 22*15x) = 2506 or 15x*8x + 8x*22 + 22*15x = 1253 120x2 + 506x - 1253 = 0 so that x = -529/30 or 13/4 But x cannot be negative so x = 1.75. Therefore, volume = (15*1.75)*(8*1.75)*22 = 8085 cm3
AC is in the range (2x - 10, 14x + 4)
y=-2x^2+8x+3