2x²+6x-8+x+3 in standard form is 2x²+7x-5.
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14 squared + 14 squared = x squared
(x is the missing side)
196 + 196 = x squared
392 = x squared
(square root each side)
392 square rooted = 19.79
x square rooted = x
19.79 m is your missing side length
Answer:
13.14285714 is his typing speed
Step-by-step explanation: