Like so: For starters, the x^2 term needs to be a multiple of 1, not 9. So the first step is to divide both sides by 9, giving: x^2 + 30/9x + 25/9 = 11/9 For me, it makes some of the subsequent …

Jan 14, 2016 · 10y - x - 25 = 0 >Rewrite the function f(x) = sqrtx as f(x) = x^(1/2) differentiating : f'(x) = 1/2 x^(-1/2) Require the gradient (m) and the coordinates ( a , b ), a point on the line, to …

May 3, 2015 · The answer is: x = 9/5 You first move the -81 to the other side of the "equal" sign, it'll become positive instead of negative. 25x^2 = 81 We then get the square root of both sides …

Apr 14, 2018 · C: 7pi meters A: 12.25pi meters squared Circumference: dpi or 2pir (d is the diameter and r is the radius, which is half the diameter) Area: pir^2 Circumference: 7pi meters …

Mar 2, 2017 · This site reports an aqueous solubility of 383*g*L^-1 at 25 ""^@C. In aqueous solution, the pH of an ammonium solution would be slightly reduced from 7. to give pH~=5. Why?

Jun 18, 2018 · #25-v# Answer link. Related questions. How do you write the variable expression for: a quotient of 2 and ...

Nov 4, 2015 · If it ends with an even digit, multiply it by 5. Otherwise multiply by 10. Repeat until you get a whole number, then that is the numerator and the denominator is the product of the …

May 13, 2018 · The 25.00mL of antibiotic solution needs to contain a minimum of 1.010^8 molecules of the drug. Calculate the moles of drug this represents. The concentration of the …

Jun 2, 2017 · "1.34 g cm"^(-3) The idea here si that the volume of the rock will be equal to the volume of water it displaces when added to the graduated cylinder. The volume of the water …

May 17, 2016 · What is the volume of .25 moles of oxygen (O2) Gas? Why would knowing the molar volume of a gas be important? Why is 22.4 liters called the molar volume of a gas?