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19 articles trouvés pour ce sujet.

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	A linear system		2020-04-02
		Dadzie pose la question : x+s=8→1 y+x=13→2 y-p=6→3 s+p=8→4 Penny Nom lui répond.
	Can one equation with two variables be solved algebraically?		2019-08-30
		Don pose la question : Can one equation with two variables be solved algebraically? Penny Nom lui répond.
	An unknown number		2018-05-10
		David pose la question : Sam chose the number 35 and made up these clues."my number is odd. It is a multiple of 5. It's other factor is greater than 5. My number is less than 40. What is my number and what is it's other factor? Are Sam's clues correct? Penny Nom lui répond.
	A system of equations		2013-08-13
		Nina pose la question : 3x-2y=8 -x+3y=5 What is the solution of the system of equations Penny Nom lui répond.
	4 linear equations with 3 unknowns		2013-04-12
		Marian pose la question : how to solve for 3 unknowns in 4 simultaneous equations Penny Nom lui répond.
	Substitution		2010-02-14
		Izayah pose la question : what is 3 ways to find the meeting point of y=2x+4 and 3x+y=7 by making 2 table and using a graph Stephen La Rocque lui répond.
	Two equations in two unknowns		2009-09-18
		Citizen pose la question : x+-3y=7 -x+4y=7 Penny Nom lui répond.
	The method of substitution		2009-09-17
		laura pose la question : ok! i really need help with this question plz help!! x= - 4y +5 x+2y = 7 Penny Nom lui répond.
	Two equations in two unknowns		2009-07-30
		Alicia pose la question : I need help with the following equation please show me the steps to complete so that I will know how to do this my self. 2x-y=2 5x+y=5 Thanks for the help Penny Nom lui répond.
	Solve 18(C-3)=162 for C		2009-05-29
		Alicia pose la question : 18(C-3)=162 adult student returning to school after 20 years and then never had it in school. Just doesn't click yet Penny Nom lui répond.
	A rectangular park		2009-02-06
		Debbie pose la question : A park named Writer's Rectangle opened in town. When asked about the dimensions of the rectangle, the city planner, responded with these clues: ---The diagonals of the rectangular park plus its longer sides together measure seven times one of the shorter sides. ---The length of one diagonal is 250 m longer than one of the shorter sides. Use this information to find the area of the park. Stephen La Rocque lui répond.
	The substitution method		2009-02-06
		amber pose la question : Pleasse help me with this problem x+y=-2 y-2x=1 Penny Nom lui répond.
	Two equations in two unknowns		2008-08-01
		James pose la question : Question from james, a student: 3x+2y=9;24x-2y=18 My math teacher says that it is (2,-4) Can someone please explain how to figure this out by graphing? Victoria West lui répond.
	Working with x		2007-10-12
		Robert pose la question : The question: The measure of an exterior angle of a regular polygon is given. Find the measure of an interior angle, and find the sides. 41. 36 42. 18 44. 'X' The attachment has what she has done for 41 and 42. Need help with 44 (lots of help) Thank you in advance for your site and your help. Robert Penny Nom lui répond.
	One equation with two unknowns		2007-04-20
		Devon pose la question : Solve for y. 3x – 2y = 12 Penny Nom lui répond.
	Three equations in three unknowns		2007-03-18
		Shawna pose la question : You are told that you are working with three different numbers. When the first number is added to twice the other two numbers, the result s 64( i.e x+2y+2z= 64). When the second number is added to twice the other two numbers the result is 62 (y+2x+2z=6). Finally, when the third number is added to twice the other two numbers, the resut is 59 z+2x+2y=59) Determine the three numbers? Penny Nom lui répond.
	Dividing money unequally		2007-02-06
		Linda pose la question : I have a total of $13,826.48. It is to be divided by 15 kids - 2 of the kids only get half of what the other 13 do - how much do the 13 get and how much does the 2 get? Thanks Haley Ess and Steve La Rocque lui répond.
	Simultaneous equations		2001-12-17
		Matthew pose la question : 4x + y = 4 2x - 3y = 5 what is x and y Penny Nom lui répond.
	Two equations in two unknowns		2001-12-04
		Courtney pose la question : y = 3x + 2 y = 4x - 5 solve for x Penny Nom lui répond.

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