edenlbarfield
21.12.2019 •
Mathematics
If pressure and touch signals travel about 250 ft per second and dull pane signals travel about 2 feet per second how long does it take you to fill an ant crawling on your foot?
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Ответ:
part a:
9x2 + 24x + 16 =
(3x + 4)^2
each side measures (3x + 4) units.
part b:
16x^2 - 25y^2 =
= (4x + 5y)(4x - 5y)
the dimensions of the rectangle are (4x + 5y) units and (4x - 5y) units.