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The quadratic equation x^2-2kx+(k-1)=0 has roots α and β such that α^2+β^2=4. (Solved:Sum and product of roots)
Question: The quadratic equation x^2-2kx+(k-1)=0 has roots α and β such that α^2+β^2=4. Without solving the equation, find the possible values of the real number…
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Given f(x) = e^(Kx)+x and f’0 =-8 . Find k (Solved:Differential calculus)
Question: Given f(x) = e^(Kx)+x and f’0 =-8 . Find k Answer: Thank you for sending your question! Given f(x)=e^(kx) +x and f'(0)= -8 Let…
Read More(Solved Question)Function Operations | Real-World Profit Function
Question: Video games sold: x Revenue function: R(x) = 60x Cost function: C(x) = 12 + 7x Profit function: P(x) = Choices are: 67x+12,…
Read MoreFind all the ways you can use exactly 50 coins to make change for a $1.00 bill.(I recommend starting with lot of pennies)
Find all the ways you can use exactly 50 coins to make a change for a dollar 1.00 bill. Solution:- Given that we can use…
Read MoreTwo pipes can fill a tank in 76 minutes if both are turned on.If only one is used,it would take 27 minutes longer for the smaller pipe to fill
Two pipes can fill a tank in 76 minutes if both are turned on. If only one is used, it would take 27 minutes longer…
Read MoreThe sum of two integers is 704 and the larger number is 11 more than 8 times the smaller number.Find the two integers.
The sum of two integers is 704 and the larger number is 11 more than 8 times the smaller number. Find the two integers. Detailed…
Read MoreA grocer wants to mix two kinds of coffee.One kind sells for $1.45 per pound,and other sells for 2.20 Per pound. He wants to mix a total of 21 pounds and sell it for 1.70Per pound.
A grocer wants to mix two kinds of coffee. One kind sells for 1.45 per pound, and other sells for 2.20 per pound. He wants…
Read More18,355 is invested,part at 13% and the rest at 7%.If the interest earned from the amount invested at 13% exceeds the interest earned from the amount invested at 7% by $963.55
Question:18,355 is invested,part at 13% and the rest at 7%.If the interest earned from the amount invested at 13% exceeds the interest earned from the…
Read MoreBetty invested some money at 15% interest.Betty also invested $237 more than 2 times than amount at 13%
Question: Betty invested some money at 15% interest. Betty also invested more than 2 times that amount at 13%. How much is invested at each…
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