Arectangular flat-screen computer monitor has a diagonal that measures 20 inches. the ratio of the length of the screen to the width of the screen is 4 to 3. what is the perimeter of the screen, in inches?

Let's call the length 4x and the width 3x. Then the perimeter is

The diagonal is given by the Pythagorean Theorem

We're only interested in positive lengths,

56

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.