Can someone help me solve this equation?
An oxide of an element X has the empirical formula X2O5 and consists of 43.6% X and 56.4% Oxygen. What is the molar mass of element X, and what element is it? This seems like a simple equation, but I don't know how to go about solving it. If someone could help it would be very much appreciated
Can someone help me solve this equation?
S = B + 1/2Pl ambiguous one interpretation S = B + (1/2)Pl Pl = 2(S–B) P = (2/l)(S–B) another S = B + (1/(2Pl)) 1/(2Pl) = S–B 2Pl = 1 / (S–B) P = 1 / ((S–B)(2l))
Can someone help me? Solve the equation 2x² + 6x - 95 = 0?
x=-34
Can someone help me solve those 3 equations?
1) 2m^2 +10m = -4 DIVIDE BY 2 m^2 +5m = -2 ADD 25/4 BOTH SIDES m^2 + 5m +25/4 = 25/4 -2 = 17/4 ( m + 5/2)^2 = 17/4 m = 1/2 ( \/17 -5 ) OR 1/2 ( -\/17 -5) ANSWER 2) 7n^2 +12n = -3 DIVIDE BY 7 n^2 + 12/7 n = -3/7 ADD 144/ 196 n^2 +12/7n + 144/196 = 144/196 -3/7 = 144/196 - 84/196= 60/196 ( n + 12/14)^2= 60/196 n = 1/14 ( \/60 - 12 ) OR 1/14 ( -\/60 -12 ) ANSWER 3) 2x^2 +8x = -5 DIVIDE BY 2 x^2 +4x = -5/2 ADD 4 x^2 +4x +4 = 4 -5/2 = 3/2 ( x +2)^2 = 3/2 x = \/ (3/2) - 2 OR - \/ (3/2) - 2 ANSWER
Can someone please help me solve this equation?
A bottling plant fills 2,400 bottles every two hours. The lead time is 40 minutes and a container accommodates 120 bottles. The safety stock is 10 percent of expected demand. How many kanban cards are needed? The formula in the book is: k = DL(1 + S)/C k = Number of kanban card sets D = Average number of units demanded over some time period L = Lead time to replenish an order (expressed in the same units as demand) S = Safety stock expressed as a percentage of demand during the lead time C = Container size Thank You
Can someone help me solve an Algebra equation? Solve. 6x2 – 23x + 15 = 0?
1.) Because its not just a straight x^2 quadratic you must first multiply 6*15=90 2.) Then figure out which two factors of 90 equal 23, so 90/3 =30 and 30-3=27 3.) 6x^2-30x-3x+15 4.) Factor: 6x(x-5)-3(x-5) 5.) Soo.. 6.) (6x-3) (x-5)=0
Can someone help me solve the equation: [math]x^2-22=0[/math] ?
To solve any equation like this, you need to understand the order of operations and understand exactly what these symbols mean. Basically, the left hand side IS the right hand side. You're dealing with one number right now: 0. Or put another way[math]x^{2} - 22 = 0 [/math].The next thing you need to recognize is that [math] x^{2} [/math] is just short-hand for multiplication. That little "2" just means that x is multiplied to itself two times, i.e.[math] x^{2} = x \cdot x [/math]To illustrate this further [math] x^{5} = x \cdot x \cdot x \cdot x \cdot x [/math]There are 5 x's multiplied to themselves. Then you have to understand that multiplication is just short-hand for addition, i.e.[math] x \cdot x = \underbrace{ x + x + x + \ldots + x}_{x \mbox{ times}} [/math]So basically [math] 3 \cdot 5 = 3 + 3 + 3 + 3 + 3 = 15 [/math]So really, this problem boils down to addition and subtraction.[math] x^{2} - 22 = \underbrace{x + x + x + \ldots + x}_{x \mbox{ times}} - 22 = 0 [/math]Notice that this is still just one number: 0. So what can we do with all these addition signs? Well, we can add 22 to both sides:[math] x^{2} -22 = 0 \longrightarrow x^{2} = 22 [/math]Now we want to know what x equals all by itself. But how do we do that when we know that [math] x^{2} [/math] is really a bunch of x's added to itself? We can't subtract here! We don't know what x is yet!Here, we need to use a little imagination and some backwards reasoning: What number, squared, gives me 22? Off the top of my head, I don't know. Nor should I know. The number is irrational and goes on forever without order! Instead of that, we use a short-cut and call it [math] \pm \sqrt{22} [/math], i.e. the square root of 22 keeping in mind the plus or minus, since a negative number times a negative number is a positive number.Thus: [math] x = \pm \sqrt{22} [/math]Ask your teacher how much simplification he/she requires because you may want to break it down into its prime factors, in which case:[math] x = \pm \sqrt{2} \cdot \sqrt{11} [/math]Thanks to Omkar Londhe for catching it: it is plus or minus square root of 22. I had a brain fart there.
Can someone help me with this equation:
X ∙ (x + 6) + 8x = 2 ∙ 4XX(X+6)+8X=8XX(X+6)=0X =0 or X=-6Also get help in Algebra 2
Can anyone help me solve this equation: y''+9y=6cos(ax) where a is a constant?
First solve the basic homogeneous part of the equation:y"+9y=0 This will give you the solution [math]a \sin 3x+b \cos 3x[/math].Now for particular integral:Use Variation of parameters. Wronskian of functions[math]\sin 3x[/math]and [math]\cos 3x[/math] is [math]-1[/math] . So by calculating A(x) and B(x) as mentioned in wikipedia, we get [math]y(x)=\frac{6\cos(ax)}{9-a^2}+a \sin 3x+b \cos 3x[/math].
Can anyone help me solve this equation: 3162,277=s*4,1+t*5? The task is to find the value of s and t.
There infinitely many solutions to your equation - forming a straight line in [math](s,t)[/math] space.If you’re searching for a specific solution, you need some kind of constraint equation.