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VARVARA [1.3K]
3 years ago
6

the marked price of a mobile is 40% above the cost price. when it is sold allowing 30% discount on the marked price, there is a

loss of rs. 240. what is the marked price of the mobile?​
Mathematics
1 answer:
Olin [163]3 years ago
4 0

Answer:

sorry I am not good at math but please mark me the brilliant

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Find the solutions of the quadratic equation 14x^2+9x+10=014x
Vesnalui [34]

Answer:

Option B. x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

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substitute in the formula

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substitute

x=\frac{-9(+/-)\sqrt{479}i} {28}  

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