george27212
19.11.2019 •
Mathematics
Your new tv screen has a width that is 4 inches longer than its height. if the screen's diagonal measurement is 20 inches, find the height.
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Ответ:
So the height is 12
Step-by-step explanation:
Let W be the width
Let W- 4 be the height
W2 +(W-4)2 = 400
So: W2 -4W-192 =0
One uses the quadratic solution:
W = (4 + (16 + 4*192).5)/2 = 16
Ответ:
its D The guinea pig weighed 4 more ounces after a year.
Step-by-step explanation: