# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 327979: Given the Cartesian equation of a circle in the form x2 + y2 + 4x + 6y = 12 find by completing the squares, the centre coordinates of the circle and the radius. Hence sketch the graph of the circle, taking care to label the x-axis, the y-axis and the origin Click here to see answer by Fombitz(13828)

 Question 328166: Sketch the graph of the following equation on your own paper, then make the correct graph below. 5x + y = 4 Click here to see answer by nyc_function(2733)

 Question 328238: I am totally lost on this! A=P+P rt; r (Business) The options are: A) r=A/1-Pt B) r=A-P/Pt C)r=PA/1+t D)r=1+Pt/A E)r=1/A(1+Pt) Click here to see answer by user_dude2008(1861)
 Question 328238: I am totally lost on this! A=P+P rt; r (Business) The options are: A) r=A/1-Pt B) r=A-P/Pt C)r=PA/1+t D)r=1+Pt/A E)r=1/A(1+Pt) Click here to see answer by Fombitz(13828)

 Question 328485: Find an equation of the line passing through the two points. Write the equation in standard form. Through (1,9);perpendicular to x=5 Thank you! Click here to see answer by Fombitz(13828)

 Question 328518: write the equation of the line passing through point (-2,4) and parallel to the x-axis. Click here to see answer by stanbon(57214)

 Question 328523: write the equation of the line that is parallel to the line y=-3x+1 and passes through the point (4,2) the answer i got is 3x+y=14 i want to know if this is right Click here to see answer by Fombitz(13828)
 Question 328523: write the equation of the line that is parallel to the line y=-3x+1 and passes through the point (4,2) the answer i got is 3x+y=14 i want to know if this is right Click here to see answer by solver91311(16868)
 Question 328523: write the equation of the line that is parallel to the line y=-3x+1 and passes through the point (4,2) the answer i got is 3x+y=14 i want to know if this is right Click here to see answer by nyc_function(2733)

 Question 328521: write the equation of a line perpendicular to the y-axis and passing through the point (5,-3) Click here to see answer by stanbon(57214)

 Question 328525: write the equation of the line that is perpendicular to the line y = 2/3x - 7 and passes through the point (4,1) the answer i got is 3x+2y=14 i want to see if this is right Click here to see answer by josmiceli(9645)

 Question 328482: Find the equation in slope-intercept form of the ine satisfying the conditions. Slope -3/8; b=55/8 Thank you! Click here to see answer by Fombitz(13828)

 Question 328483: Find an equation of the line passing through the two points. Write the equation in standard form. (8,2) and (3,6) Thanks! Click here to see answer by solver91311(16868)

 Question 328558: Write an equation of the line going through (-3,-3) and parallel to y=x+3 in standard form. Click here to see answer by checkley77(12569)

 Question 328296: The chief of police for smalltown USA notice that, not including himself, 3/5 of his police force carries firearms. If he include himself, 5/8 of his force carries fairearms. How many people on his force do not carry firearms? a) 5 b) 6 c) 11 d) 16 e) 24 Click here to see answer by ankor@dixie-net.com(15622)

 Question 328597: A sofa and a chair cost \$850 as a set. The sofa cost \$200 more than twice as much as the chair. The two equations that model this situation are: S = 850 - C C = (1/2)S - 100 What is the cost of the sofa? Cost of Sofa = \$ __.00 Click here to see answer by solver91311(16868)

 Question 328745: C = 4r(n + p) solve for n. Click here to see answer by Fombitz(13828)
 Question 328745: C = 4r(n + p) solve for n. Click here to see answer by nyc_function(2733)

 Question 328833: How do I graph the equation using the slope and the y-intercept? y=6/5x+7 (the 6 and 5 is suppose to be a fraction) Please help been stuck on it for hours.... Thanks Click here to see answer by Fombitz(13828)

 Question 328867: The sum of two numbers is -18. One number is 2 greater than 3 times the other. Find the product of the number Click here to see answer by checkley77(12569)

 Question 328968: Solve each equation. 4w-1 - w-1 = w-1 ____ ___ ___ 3w+6 3 w+2 Click here to see answer by stanbon(57214)

 Question 328971: Solve each equation. 4w-1 - w-1 = w-1 over over over 3w+6 3 w+2 Click here to see answer by stanbon(57214)

 Question 328970: Solve each equation. 4w-1 - w-1 = w-1 over over over 3w+6 3 w+2 Click here to see answer by stanbon(57214)

 Question 328967: Solve each equation. 4w-1 - w-1 = w-1 ____ ___ ___ 3w+6 3 w+2 Click here to see answer by stanbon(57214)

 Question 328974: the quotient of three times a number and five is the difference of ten and a number Click here to see answer by stanbon(57214)

 Question 328979: When you multiply the two numbers you get a product of 225. When you add these same two numbers you get 30. What are the two numbers? Click here to see answer by Alan3354(30945)

 Question 328987: Classify each system as consistent or inconsistent: {2x+3(y-2)=0 {-3y=2(x-4) Click here to see answer by stanbon(57214)

 Question 328901: find the composition f (x) = -2x-2 and g (x)= x^2+x find F of g (5) Click here to see answer by nyc_function(2733)

 Question 328900: solve the system 7x-y-z= -32 x-4y+z= -25 6x+3y-2z = -7 Click here to see answer by Fombitz(13828)

 Question 328981: Use a system of equations in two varibles to solve this problem: A woman invested some money at 8% and some at 9%. The interest on the combined investment of \$10,000 was \$840. How much was invested at 9% Click here to see answer by mananth(12270)