chemistry
Thanks, I thought so. I will contact my teacher, maybe I copied it down wrong in class. Thanks for your input. Joanie
chemistry
I am having trouble balancing this equation: C6 H12 06 + O2 = C7 H8 + O2 Can you please help? Thanks
PreCalculus
Write the equation of the conic section x^2+6^2=16 after a rotation of 45 degrees about the origin. I don't know where to begin on this problem. Could you help? Thanks.
Solving inequalities
I have to solve the following inequalities: x^2 + y^2 is less than or equal to 49 y is less than or equal to 3-x^2 I know that these are the equations of a circle and a parable. There should be 3 solutions. However, I am not sure how to solve these equations. CAn you help? Tha...
PreCalculus
Problem: Identify the conic from the equation 13x^2-6(sq.rt.6)xy+7y^2-16=0 I have to choose from the following four answers: hyperbola (angle of rotation 45) hyperbla (angle of rotation 60) ellipse (angle of rotation 90) ellipse (angle of rotation 30) I used the discriminant ...
Language
Hi-- The word "are" in the sentence should be "our." Also, We should be capitalized and there should be a period after backyard.
PreCalculus
I have to write the equation of a hyperbola whose center is (0,0) and which has a vertical transverse axis. The equations of the asymptotes are 6x+2y=0 and 6x-2y=0. I don't even know where to begin. Could someone help? Thanks.
Math
Thank you for helping.
Math
I have to graph the following: 2 = rcos(theta-20 degrees). I put it in the form r = 2/cos(theta-20degrees). Is this correct? I am having trouble with my table of values. I would appreciate your help. Thanks.
Math
Use a metric ruler and a protractor to find 2 a (vector) - 2 b (vector). Then find the magnitude and amplitude of the resultant. When I measured I got 2 for b and 4 for a. The answers I have to choose from are 8cm,41degrees, 9cm,38degrees,6cm,36degrees, and 4cm,31degrees. Some...
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