2016年4月9日 · x=0.5714 23^x=6 means x=log_(23)6 As log_ba=loga/logb x=log6/log23=0.778151/1.361728=0.5714

2014年7月12日 · What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

2016年6月4日 · Which method do you use to factor #3x(x-1)+4(x-1) #? What are the factors of #12x^3+12x^2+3x#? How do you find the two numbers by using the factoring method, if one number is seven more than...

2016年4月12日 · (10x + 3)(x + 2) Use the new systematic, non-guessing AC Method (Socratic Search) y = 10x^2 + 23x + 6 = 10(x + p)(x + q) Converted trinomial: y' = x^2 + 23x + 60 =(x + p')(x + q'). p' and q' have same sign because ac > 0.

2016年1月11日 · It has been done in honor of Avogadro. The Avogadro constant is named after the early 19th-century Italian scientist Amedeo Avogadro, who, in 1811, first proposed that the volume of a gas (at a given pressure and temperature) is proportional to the number of atoms or molecules regardless of the nature of the gas.[5] The French physicist Jean Perrin in 1909 …

2015年9月15日 · (x+3)(7x+2) Multiply the coefficients of x^2 and the constant. +7 xx +6 = +42 Find two numbers whose ...

(4x-1)(x+6) -4x^2-23x+6 = 4x^2+23-6 4x^2+24x-x-6 = 4x(x+6)-1(x+6) therefore: (4x-1)(x+6) x= -6 or +1. How do you find the two numbers by using the factoring method, if one number is seven more than...

2016年4月25日 · 0.123 centimeters Each kilometer has 1000 meters and each meter has 100 centimeters. Hence each kilometer has 1000xx100=100000=10^5 centimeters. Therefore, 1.23xx10^(-6) kilometer will have 1.23xx10^(-6)xx10^5=1.23xx10^(-6+5)=1.23xx10^(-1) …

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2017年11月15日 · Solution : -27.58 < x < -0.68 or x| (-27.58,-0.68) 0.23x^2+6.5x+4.3<0 Comparing with standard quadratic equation ax^2+bx+c=0 a= 0.23 ,b=6.5 ,c=4.3 Discriminant D= b^2-4ac or D ~~ 38.29 If discriminant positive, we get two real solutions, Quadratic formula: x= (-b+-sqrtD)/(2a) or x= (-6.5+-sqrt38.29)/(2*0.23) :. x ~~ -27.58 , x ~~ -0.68 0.23x^2+6.5x+4.3<0 …