604 Answered Questions for the topic Equation

11/12/16

Mathematical Analysis
Show that if A ⊃ B then inf A ≤ inf B ≤ supB supA. Use this to show that, if A1 ⊃ A2 ⊃ · · ·, then inf A1 ≤ inf A2 ≤ · · · ≤ inf An ≤ · · · ≤≤ supAn ≤ · · · ≤ supA2 ≤ supA1.Use this to show that... more
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Equation

11/12/16

equation 2t = 120 + 20. Explain how you would solve this equation.
explain how to solve this equation
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Equation

11/01/16

simplify (3) / (x^2 -4) + (2) / (x+2)
if you can please show how to do this thanks much. 
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Equation

10/26/16

ms.lyssy is doing sand projects with her class there is 5/4 blue sand and 2 2/3 pink sand,how much sand will each person get
I t does not say how many students their are  
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Equation Math Help

10/14/16

what's the value of a-b?
1/2(6x-4)-(3-x)=ax+x+b   If the equation above has infinitely many solutions, what's the value of a-b?
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Equation

10/11/16

Solve the equation: x-2/x-6 = x+5/x-4
Pls. show description of the full process 
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Equation Diagram Percent

10/09/16

how to find 45% of 400...
How to find 45% of 400? Solve the problem using 1) % diagram and 2) an equation. 
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Equation Line Tangent

10/09/16

Need you help
Find the equations of the lines tangent to the graph of the function y = x2 −2x + 1 such that each of the lines passes through the point P(2,−1).
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Equation

10/08/16

please helm me solve this equation. if the answer is extraneous solution please list it.
5=(sqrt6x+85) -x   Thanks
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Equation

10/08/16

please help solve the equation - if there are any excluded values in the expression please list them
1=(v^2-10v+24)/(v^2+3v-10)+(2/v-2)   Thanks 
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Equation

10/07/16

(-9/7a) + (2/3a)=-65/21
please help solve the equationthanks much in advance
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Equation

10/06/16

Solve equation 7 - 2(2x - 6) = 2 + 3(-x + 5)
please show steps thanks
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Equation

10/03/16

Can you help me write this as a equation?
One serving of oatmeal provide 16% of the dietary fiber do you need daily. You must get the remaining 21 grams of dietary fiber from other sources. How many grams of dietary fiber do you need daily?
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10/02/16

How many pounds of each type of tea are required?
The manager of a store selling tea plans to mix a more expensive tea that costs $7 per pound with a less expensive tea that costs $2 per pound to create a 70?-pound blend that will sell for $3.50... more
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Equation Function

10/02/16

please help me . pls
Find the equations of the lines tangent to the graph of the function y = x2 −2x + 1 such that each of the lines passes through the point P(2,−1)    
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Equation

10/01/16

find the x and y intercepts
2x+6y=12   find x intercept and y intercept   x intercept (  ,  ) y intercept (  ,  )
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Equation

09/28/16

solve the equation please show the check of the solution 1/(x+2) =4/(x^2-4) - 1/(x-2)
please show the check of the solution
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Equation

09/26/16

Solve equation please show the check of the solution 1/x+2 = 4/x^2-4 - 1/x-2
please show the check for the solution thank you
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09/25/16

rate distance and time
A child is running on a moving sidewalk in an airport. When he runs against the sidewalk's motion, he travels 66ft in 11 seconds. When he runs with the sidewalk's motion, he travels 88ft in the... more
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Equation

09/20/16

Whatbis 0= -10? Is it a identity or contradiction?
Please help
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09/18/16

Use an equation to solve for the five numbers.
The sum of the five numbers is 50. The first number is half of the second number. The third number is twice the second number. The fourth number is five less than the second number. The fifth... more
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09/18/16

Solve the equation
-10|8p-10|+3=-57
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09/16/16

Three sandwiches and a hotdog cost $65, while one sandwich and 3 hotdogs $35. How much two sandwiches and 2 hotdogs cost?
I couldn't get the right equation in this word problem. What must be the correct solution?Your best explanation would be a great help. Thanks.
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09/14/16

equation of plane
find equation of a plane that contains the line x=3t y=2+t z=-2t and parallel to the intersection of planes 2x-y=0 and y+z=-1 i dont know what to cross im so confused please help
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09/07/16

How many drinks were sold?
At a concert, $720 was collected for hot dogs, hamburgers, and drinks. All three items were sold for $1.00. Twice as many hot dogs were sold as hamburgers. Three tomes as many drinks were sold as... more
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