charleslap2006 charleslap2006

10-04-2020
Mathematics

contestada

A computer company makes a rectangular screen with a diagonal of 20 inches. The width of the screen is 4 inches less than its length. The dimensions of the computer screen are modeled by the equation x2 + (x – 4)2 = 202. What is the value of x, the length of the screen?

Respuesta :

Cxnterstrides Cxnterstrides

10-04-2020

Answer:

x = 52.5

Step-by-step explanation:

1) Reorder the equation + Parentheses

2x + 2x - 8 = 202

2) Collect like terms

4x - 8 = 202

3) Add 8 to both sides

4x = 210

4) Divide both sides by 4

x = 105/2 = 52.5

Answer Link

Otras preguntas

Find the point-slope equation forthe line that passes through thepoints (-8, -32) and (3, 1). Usethe first point in your equation.

which equation is graphed in the graph below A) y – 4 = -3/2 (x + 2) B) y + 4= -3/2 ( x-2 ) C) y – 4 = -2/3 (x + 2) D) y – 2 = -3/2 (x + 4)

define social rules and norms

What is the slope of a line parallel to the line 52x + 32y = 25?A)−2B)−35C)−53D)35E)53

espejo champú maquillaje crema de afeitar 2. bañarse ducharse lavarse ponerse 3. inodoro ducha lavabo pantuflas 4. despertador levantarse jabón despertarse 5. e

Choose the statement about ITQs that is correct. A. The major problem with ITQs is that they create a monopoly. B. Fishers with low marginal cost sell ITQs to t

Which of these are symptoms of bipolar disorder? A. Changes in thoughts, feelings, or behavior B. Fears that that are difficult to control C. Extreme mood swing

The length of a rectangle is 5 in. More than 3 times its width. The quadratic function f(x) = x(3x + 5) represents the area of the rectangle in terms of its wid

The value of a forward or futures contract is: A) equal to the spot price at expiration. B) specified in the contract. C) typically zero at initiation.

Agrobacterium tumefaciens is often used in the production of transgenic plants because of its Ti plasmid. This plasmid is usually "disarmed" by deleting its tum