Answer:
X=125/64
Step-by-step explanation:
x^2+4 x-5=0
x^2+4x=5
4x^3=5
x^3=5/4
x=5^3/4^3
x=125/64
Answer:
profit is 25%
Step-by-step explanation:
profit%=sp-cp/cp×100%
=350-280/280×100%
=0.25×100
=25%
4x/15 = 60/x
4x^2 = 900
x^2 = 225
x = 15
(x) = x – 2inverse of the function
Answer:
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Step-by-step explanation:
