# ALGEBRA

A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 4 feet longer than the length of a shelf. If 20 feet of lumber is available for the entire unit (including the shelves, but NOT the back of the bookcase), find the length and height of the unit.

1. 👍 1
2. 👎 0
3. 👁 305
1. There is no "figure below". How many shelves are there?

1. 👍 1
2. 👎 0

## Similar Questions

1. ### math

Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbit's house, as shown in Figure 1. The distance from W to H is 45 inches. Then the same two tiles

asked by hi on August 3, 2020
2. ### math

After being exposed to an electromagnetic shrinking machine, Joe shrank a total of 120 centimeters over 1.2 seconds. His height decreased by the same amount each second. Joe wants to figure out how much his height changed each

asked by laxcy545 on September 5, 2015
3. ### Physics

Two massless springs (S1 and S2) are arranged such that one hangs vertically downward and the other is vertically upward, as shown in figure (a). When a 0.275-kg mass is suspended from S1, it stretches by an amount Δx1 = 0.062 m,

asked by Anonymous on October 23, 2014
4. ### physics

A solid cylinder of mass m and radius R rolls down a parabolic path PQR from height without slipping (assume R ≪ H) as shown in the figure below. Path PQ is rough (and so the cylinder will roll on that path), whereas path QR is

asked by joy on April 14, 2018
5. ### Math

1. Determine whether the two figures are similar. If so, give the similarity ratio of the smaller figure to the larger figure. The figures are not drawn to scale. Figure One: (CYLINDER) Height is 9.9 and radius is 1.3 Figure Two:

asked by Tim on May 24, 2016
1. ### physics

TV-reception antennas for VHF (channels 2 through 13) are constructed with cross wires supported at their centers, as shown in Figure 23.24. The ideal length for the cross wires is one-half the wavelength to be received, with the

asked by Amelia on May 29, 2012
2. ### physic

A circus performer stands on a platform and throws an apple from a height of 49 m above the ground with an initial velocity v0 as shown in the figure below. A second, blindfolded performer must catch the apple. If v0 = 30 m/s, how

asked by joy on January 30, 2018
3. ### math

which figure has the same area as the parallelogram shown below? A.a triangle with a base 4 mm and a height of 20 mm B.a trapezoid with the base of 15 mm and 25 mm and a height of 2 mm C.a trapezoid with bases of 6 mm and 14 mm

asked by help math on February 24, 2017
4. ### Math

Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbit’s house, as shown in Figure 1. The distance from W to H is 45 inches. Then the same two tiles

asked by Edgar on November 28, 2016
5. ### Math

Determine whether the two figures are similar. If so, give the scale factor of the smaller figure to the larger figure. Smaller figure: Length: 11 Width: 7 Height: 7 Larger figure: Length: 33 Width: 28 Height: 14 yes; 1:2 yes; 1:7

asked by SkatingDJ on May 2, 2016
6. ### Calc

A Norman window is constructed by adjoining a semicircle to the top of a rectangular window as shown in the figure below. If the perimeter of the Norman window is 24 ft, find the dimensions that will allow the window to admit the

asked by Coc on November 4, 2015