26. If x:3 = 12:x, calculate the positive value of x.
2 answers:
Answer:
Answer ::+-6
Step-by-step explanation:
x:3=12:x
or, x/3 = 12/x
Doing cross multiplication,
x^2=36
Putting sqare root on both sides,
x= sqrt. 36
x= +- 6
Therefore x=+-6.
Answer:
x = 6
Step-by-step explanation:
Express the ratio in fractional form, that is
x² = 36 ( take the square root of both sides )
x = ±
Thus x = 6 is the positive value
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