lexigold
lexigold
10-05-2019
Mathematics
contestada
x^2 + ( square root of 7)^2 = 55^2 what is x
Respuesta :
EmmaEnos
EmmaEnos
10-05-2019
Answer:
x=54.9363
Step-by-step explanation:
x^2+7=55^2 square root and exponent cancel out
x^2+7=3025 55*55=3025
x^2=3018 subtract 7 from both sides
x=√3018 take square root of both sides
x=54.9363
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