The ideal body weight W for men (in kg) based on height h (in inches) is W(h)=49+2.4(h−61). (a) The ideal weight of a 6-foot male is 75.4 kg. (b) The height h as a function of weight W is h(W)=2.4W−49+61.
Describe a system of equations to find the number of decorative pillows placed on each twin and queen bed by a realtor. Solve and fill in the blanks. Let x = number of pillows on each twin bed, and y = number of pillows on each queen bed. In one house, 2 twin beds and 2 queen beds used 46 pillows.
In another house, 5 twin beds and 3 queen beds used 85 pillows. The realtor used x pillows on each twin bed and y pillows on each queen bed.
Solve the linear, quadratic, and rational equations. Express solutions as improper fractions in lowest terms. −3w−4=w+3w=3(3−3x)=2(x+3)−30x=31(z+4)−6=32(5−z)z=
7. The product of 4 integers is x4−4x3−4x2+16x, where one integer is x. Find the other integers. 8. When ax2+bx+2 is divided by x+1, the remainder is 9, and when divided by x−1, the remainder is 3. Determine a and b.
Find the number of red tiles given that there are 90 red and yellow tiles, with 5 times as many red tiles as yellow tiles. Given:
A=18 tiles
B=15 tiles
C=75 tiles
D=72 tiles
Total tiles = 90
Red tiles = 5 × Yellow tiles
Find the percent error of Steve's 5-mile race prediction, where he predicted 42 minutes but finished in 40 minutes. To calculate the percent error:
Percent Error=Predicted ValueActual Value−Predicted Value×100
Find the ratio of water and chocolate powder for the strongest hot chocolate. Convert each ratio to a common denominator. The correct answer is 42 or 53 or 64 scoops of powder per cup of milk.
Find the total cost of 5 boxes of cheese crackers, 6 boxes of poppy seed crackers, and 4 boxes of plain crackers, where each box costs y. A. (5+6+4)y
B. 5⋅6⋅4⋅y
C. 17y
D. 15y