111 Answered Questions for the topic Solutions

10/06/15

Inequalities
On my math paper I had the following equation:   5/4(x+4) ≤ ½(x+8) -8   This is my work:   5/4(x+4) ≤ ½(x+8) -8 4(5/4(x+4) ≤ ½(x+8) -8) 5(x+4) ≤ 2(x+8) -32 5x+20 ≤ 2x+16-32 -2x    ... more
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Solutions Algebra 2 Equations

08/25/15

Which of the following is the solution to the equation 25^2c = square root of 5^(4c + 16) ?
Which of the following is the solution to the equation 25^2c = square root of 5^(4c + 16) ?Select one:A. c = -5 over 2B. c = 7 over 2C. c = 4D. c = -7/2
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Solutions Algebra 2 Equations

08/25/15

Which of the following is the solution to the equation 25(z + 4) = 125 ?
Which of the following is the solution to the equation 25(z + 4) = 125 ?Select one:A. z = 5.5B. z = 3.5C. z = -2.5D. z = -0.5
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Solutions

06/23/15

2x-y=4 x+5y=24
Solutions
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Solutions

06/04/15

Can you please help me
A biologist has a 25% acetic solution and a 40% acetic solution. How many cubic centimeters of the 40% solution should be mixed to obtain 240 cc of a 30% solution?
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05/13/15

math help????????
Write a system of three linear equations in three variables that has (2,1,5) as a solution. (There are many possibilities.) Explain the process you used to write an equation.
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Solutions

04/21/15

what is the solution set for 0=x^2-4.75x+3
I am looking for a solution for this problem
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02/22/15

Please help!! Select the approximate values of x that are solutions to f(x) =0, where f(x) = -9x^2 +4x+7
a) {-1.29,0.57} b) {-9,4} c) {-0.44,-0.78} d) {-0.69,1.13}  
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02/22/15

Please help me solve this!! Select the approximate values of x that are solutions to f(x) =0, where f(x) = -6x^2 +2x+4
a) {-0.67,1.00} b) {-6,2} c) {-0.33,-0.67} d) {-1.50,0.50}  
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02/22/15

Need help! Select the approximate values of x that are solutions to f(x) =0, where f(x) = -4x^2 +5x+7
a) {2.09, -0.84} b) {-4,5} c) {-1.25,-1.75} d) {-0.57,0.71}
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02/17/15

How much of each solution should be used if 21 gallons of 4% solution are needed?
A mixture of 4% disinfectant solution is to be made from 5% and 2% disinfectant solutions. How much of each solution should be used if 21 gallons of 4% solution are needed?
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Solutions Algebra Linear Vectors

11/25/14

Describe all solutions of Ax=0
Let A= [1 -4  5  4              2 -8 10 8] Describe all solutions of Ax=0.   
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11/24/14

Determine the values of K for the equation
Determine the values of K for which 3x2+kx+12=0 has each type of solution justify each answer. a) exactly one real solution b)two imaginary solutions c)two real solutions
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Solutions Algebra Linear Matrix

11/16/14

Describe all solutions of Ax=0
Let A= [1 -4 5  4            2 -8 10 8]   Describe all solutions of Ax=0 x=x2 ?+x3 ? +x4?  
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Solutions

11/09/14

select the solution
Consider the equations:f(x) = -6x - 1 and g(x) =4x^2Select the solution for (fg) (x). A. -6x -1 +4x^2   B. -24x^3 - 4x^2   C. -24x^2 - 1   D. -24x^5
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Solutions Algebra Linear System

09/14/14

determine the value of k for which the system has no solutions
determine the value of k for which the system  x+y+5z=-3 x+2y-2z=3 4x+11y+kz=31 has no solutions.    k=?
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Solutions Algebra Linear Matrix

09/14/14

Determine the value of h such that the matrix is the augmented matrix of a linear system with infinitely many solutions.
 7  -3  2 14  h  4   h=?
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Solutions Math Algebra

08/27/14

5(2x-1)+x+17=5x+6(x+2)
i need help determining if there are no solution, one solution l, or an infinite number of solutions.
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08/27/14

3(x-1)+x=4(x+2)
I need help figuring out if there are no solutions, one solution or an infinite number of solutions.
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Solutions

06/28/14

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x2 + 4x + 7.
{–1.14, 0.57} {-8, 4} {–0.50, –0.88} {–0.72, 1.22}
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05/07/14

Graph f(x)
How can the graph f(x)=0.3|x-6|+7 be obtained from the graph of y=|x|?   a) Shift it horizontally 3 units to the left. Shrink it vertically by a factory of 0.6. Shift it 7 units upward b) Shift... more
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05/07/14

functions question
Let f(x)=3x-1 and g(x)=x^2+4   find (f g)(-2)
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05/07/14

two word problems
  1)A car company charges $31 per day to rent a particular type of car and $0.16 per mile. Juan is charged $47.96 for a one day rental. How many mile did he... more
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05/07/14

word problem library
The number o books in a small library increase according to the function B=6,700e0.03t, where t is the measure of years. How many books will the library have after 2 year(s)?   a) 7,693 b)... more
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05/07/14

solution of the equation
Determine the nature of the solutions of the equation: 5x^2-6x=-9   a)Two real solutions b) No solutions c)One real solution d)two solutions with imaginary parts 
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