the aspect ratio of a laptop monitor is 1.625: 1. the aspect ratio of a monitor is the ratio of its width to its height.

1. write this as a ratio that involves only whole numbers, using the smallest whole numbers possible.
:

2. if the monitor is 15 inches wide, what is the height? round the answer to nearest hundredth if necessary.

Part 1) The ratio is

Part 2) The height is

Step-by-step explanation:

Part 1)

Let

x ----> the wide of the monitor

y ----> the height of the monitor

z ----> the aspect ratio of a laptop monitor

we have

Multiply both numerator and denominator by 1,000

Simplify

Divide by 125 both numerator and denominator

Part 2) If the Monitor is 15 inches wide, what is the height?

we know that

we have

substitute the given values and solve for y

therefore

The height is 9.23 in

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)

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