Trigonometic
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Trigonometic
Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (12/13) Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (12/13) What is the question? Solve for x? x= arcsin (4/5) put that in your calculator. Same for the next.
asked by abdo on April 23, 2007 
Trigonometic
Solving Trigonometic Equations solve for x : ( by radian) 1)cotx= 3 2)secx = 0.5 1) Same as tan x = 1/3. Use a calculator. I get 0.321 radians 2) sec x = 0.5 is not possible. The absolute value of the secant must be one or more. >
asked by abdo on April 23, 2007 
Math
Consider the pair of linear equations below. 4x+6y=12 2x+3y=6 What is the relationship,if any, between the two equations Does the system of equations have one solution, no solution, or infinitely many solutions.Explain How can you
asked by Jupiter on April 21, 2019 
Chemistry
When solving Hess law problems,do we need to use all the equations given to get the Htotal or just choose the relevant equations that are related to the final equation required? Let's say there r 5 equations given,but the relevant
asked by Meenaakshi on March 23, 2012 
Physics
You are given vectors A = 5.0i  6.5j and B = 2.5i + 7.0j. A third vector C lies in the xyplane. Vector C is perpendicular to vector A and the scalar product of C with B is 15.0. Find the x and y components to vector C. Here's
asked by Vectors on August 30, 2014 
Algebra
Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x  3y + 5z =3 (2) 3x  2y + 5z=1 (3) my teacher gave me the answer
asked by Clyde on April 25, 2016 
Algebra I DONT KNOW HOW TO DO 3 VARIABLES
Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x  3y + 5z =3 (2) 3x  2y + 5z=1 (3) my teacher gave me the answer
asked by Clyde on April 25, 2016 
algebra attn Reiny
Thanks for your help with the solving of the three equations! Yes, it was a typo. I just finished solving it a long way, solving for the 1st 2 equations then the 2nd and 3rd and plugging in variables...etc. etc. Your way gave the
asked by Terri on February 24, 2009 
precalculus
(2y+1)(y+3)(5y2)=0 If A x B x C=0, then A, B, or C are equal to zero. Therefore, for the problem, 2y+1=0 y+3=0 5y2=0 Solving the equations for y will give the correct answers (three of them) for y.
asked by Roxanne on March 7, 2007 
Int Algebra
The difference of two numbers is 7. The sum of the numbers is 1. What are the numbers? I've come up with the following equations: xy=7 and x+y=1. I can't seem to solve because there are no numbers on the left side of the
asked by Rose Mata on January 26, 2007