Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

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Algebra: Radicals -- complicated equations involving roots

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Question 113634: Please help I know nothing about this subject. Thank you
For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate. C(x)= 1.4x
----
100-x
A) using this model, approximately what is the cost if 60% of the citizens participate. answer and show work

B) using this model estimate the percentage of participation that can be excepted if $4 million is spent on this recycling project. Set up an equation and solve algebraically. Round to the nearest whole percent.
Click here to see answer by ankor@dixie-net.com(6693)

Question 113705: For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate.
C(x)=1.4/(100-x)
a) Using this model, approximately what is the cost if 60% of the citizens participate?
b) Using this model, estimate the percentage of participation that can be excepted if $4 million is spent on this recycling project. Set up an equation and solve algebraically. Round to the nearest whole percent.
Click here to see answer by ankor@dixie-net.com(6693)

Question 113680: CAN SOME ONE HELP ME WITH THIS PROBLEM.
FOR THE FOLLOWINH FUNCTION, C COMPUTES THE COST IN MILLIONS OF DOLLARS OF IMPLEMENTING A CITY RECYCLING PROJECT WHEN X PERCENT OF THE CITIZENS PARTICIPATE. C(x)=1.4x/100-x
a. using this model, approximately what is the cost if 60% of the citizens participate?
b.using this model, estimate the percentage of participation that can be excepted if $4 million is spent on this recycling project. Set up an equation and solve algebraically. Round to the nearest whole percent.
Click here to see answer by ankor@dixie-net.com(6693)

Question 114262: index is 4. square root 625n to the 8th power m to the 4th power.
please help!
Click here to see answer by stanbon(26276)

Question 114436: I am challenging a question and need your help. Can you tell me what the distance between (5,1) and (3,8) is. Thank you so much!
Click here to see answer by jim_thompson5910(13794)

Question 114512: Multiply and Simplify
(5+sqrt5)(3+sqrt6)
Multiply and Simplify
(^3sqrtx+4)(^3sqrtx-3)
Click here to see answer by stanbon(26276)

Question 114540: I can't seem to come up with the right solution to this problem, can you please help me? This is the problem.
If the product of 4 and the square root of a number is increased by 3 the result is 31. Find the number and show equation.
Click here to see answer by stanbon(26276)

Question 114539: I need to check these four problems, can anyone help?
3^sqrt(-27)
sqrt(-3x)^2
(with the square inside the square root sign)
sqrt(-4)
3^sqrt(-1/8)

Click here to see answer by stanbon(26276)

Question 114536: Solve
curt(3x+2)-1=1
Click here to see answer by solver91311(5072)

Question 114611: SQRT. 2x - 3 = X - 3
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Question 114609: 8 SQRT. 75 + 3 SQRT. 12 - 5 SQRT. 48
Click here to see answer by edjones(3296)

Question 114646This question is from textbook introductory and intermediate algebra

: This question is from textbook introductory and intermediate algebra

Click here to see answer by stanbon(26276)

Question 114754: Can some one help me please.
Solve by completing the square
x^2 + 8x + 13 = 0
Thank you inadavance.
Click here to see answer by jim_thompson5910(13794)

Question 114778: solve for x
sqrt x+7+5= x
Click here to see answer by solver91311(5072)

Question 114557: The degree three polynomial f(x) with real coefficients and leading coefficient 1, has 4 and 3 + i among its roots. Express f(x) as a product of linear and quadratic polynomials with real coefficients.
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Question 114967: square root of 72 plus square root of 18 minus the square root of -18
Click here to see answer by jgr45(22)

Question 114968: Solve s^2 = 9/4
Click here to see answer by HyperBrain(694)

Question 115027: PLEASE HELP ME!!!!
Find the domain of the radical function:
f(x)= sqrt3/x+5
Click here to see answer by stanbon(26276)

Question 114966: Find the product of the square root of 12b times the square root of 156
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Question 115070: radical 6000
Click here to see answer by checkley71(8405)

Question 115070: radical 6000
Click here to see answer by jim_thompson5910(13794)

Question 115535This question is from textbook Algebra 1
: What is the square root of 48x^3y^2 all over the square root of 4xy^3 ?
I would really appreciate it!
thank you very much!!!!This question is from textbook Algebra 1

Click here to see answer by stanbon(26276)

Question 115581: Please help me solve this problem. simplify: 5 radical 27-radical 12-6 radical 3
Click here to see answer by stanbon(26276)

Question 115580: Please help me solve this problem. simplify: 6/radical 5+2
Click here to see answer by stanbon(26276)

Question 115578: Please help me solve this problem. simplify: 5radical7/radical 3
Click here to see answer by edjones(3296)

Question 115680This question is from textbook Algebra 2
: Simplify the expression. Rationalize the denominator. Assume that any variables are positive. What is Thanks for the help. Steven This question is from textbook Algebra 2

Click here to see answer by jim_thompson5910(13794)

Question 115579: please help me solve this problem it says to simplify a. 3 radical 54 and b says radical 25x^2y^3
Click here to see answer by ankor@dixie-net.com(6693)

Question 115820:
Evaluate -^3 sqrt 64, if possible
Click here to see answer by checkley71(8405)

Question 116135: (5x+4)to the 2nd power+7=0......use the square root to solve the equation
Click here to see answer by jim_thompson5910(13794)

Question 116098:
cubed root of 32 x^8 Y^11
Click here to see answer by checkley71(8405)

Question 116097:
-2 squareroot of 243 + 8 square root of 48 - square root of 108
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Question 116095: square root of 50x^2y^20
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Question 116095: square root of 50x^2y^20
Click here to see answer by jim_thompson5910(13794)

Question 116380: radical 50 + radical 18
Click here to see answer by bucky(1732)

Question 116272: Hi,
Please help me simplify this equation:
Cube root of (9-sqrt(4-x))
Thank you
Click here to see answer by ankor@dixie-net.com(6693)

Question 116397:
cube Radical 27a^9b^3
Click here to see answer by checkley71(8405)

Question 116396:
radical X + 3 = radical X+27
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Question 116395:
simplify: radical 9XY^2 / radical 27X^3Y
Click here to see answer by checkley71(8405)

Question 116427: Simplify the radical expression.
(sqrt3 +5)(sqrt3 -2)
Can someone help? Thanks
Click here to see answer by ankor@dixie-net.com(6693)

Question 116524: solve by factoring
Click here to see answer by solver91311(5072)

Question 116581: Write in both rational exponent and radical notations
The fourth power of the cube root of y
Click here to see answer by rapaljer(3620)

Question 116770: solve by completing the square: x^2-2x-1=0
Click here to see answer by jim_thompson5910(13794)

Question 116793: X+1=radical 17-4x
Click here to see answer by Fombitz(2113)

Question 116794: radical 5X+4 = 1+ radical 3X+1
Click here to see answer by josmiceli(3009)

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