# I have a few match problems that I can't figure out. 1.solve: 3x+5=x√7 (that's a radical sign) 2.factor: (2k+3)2-(2x+3)(y-2)-20(y-2)2 (the "2" after (2k+3) ans (y-2) is suppose to be a square sign. thanks if you can help, or even if

42,349 questions

I have a few match problems that I can't figure out. 1.solve: 3x+5=x√7 (that's a radical sign) 2.factor: (2k+3)2-(2x+3)(y-2)-20(y-2)2 (the "2" after (2k+3) ans (y-2) is suppose to be a square sign. thanks if you can help, or even if you can't i ment

asked by Sarah on January 21, 2007
2. ## math,correction

asked by jasort20 on March 21, 2007
3. ## algebra

solve the equation or formula for the indicated variable R=ts^2+3 a)s=under radical R-3/t (not under radical b)s=everything under radical R-3/t c)s=R (under radical)-3/t d)s=everything under radical R/t-3 Thanks again I feel really stupid not being able to

asked by Kandy on August 28, 2014
4. ## math,correction

Find the area of the rectangle shown in the figure. length = radical (3) + radical (5) width = radical (3) + radical (5) My answer: a= 8 + 2 radical (15) or a = 15.75 agree, you seem to be able to do these should i leave it as the radical form or the

asked by jasort20 on March 21, 2007
5. ## Alg 1

Solve the proportion: 4/x = (radical sign over 11, not -1) 11 - 1/3 Please solve and explain. My answer does not match any of my choices.

asked by Jane on April 16, 2013
6. ## Math

Find the domain of the following functions. 1. y= radical(x-3) - radical(x+3) 2. y= [radical(2x-9)] / 2x+9 3. y= radical(x^2 - 5x -14) 4. y= [cubed root(x-6)] / [radical(x^2 - x - 30)] I'm terrible at finding domains.. so any help with these problems would

asked by April on July 12, 2013
7. ## Math

There is a picture of a square - BCAD, and then there is a triangle EAD. B. E C A. D FIGURE NOT DRAWN TO SCALE In the figure above, the perimeter of the equilateral triangle AED IS 6. What is the area of the rectangle ABCD? A) 6 B) 4 C) 4 radical 3 D) 3

asked by Jessica on December 30, 2017
8. ## Algebra

I'm adding 2(radical 50) + 12 (radical 8). I began by breaking the radical fifty into two parts: the radical of 25 and the radical of two. The radical of twenty five can break down into five, and the radical of two stays the way it is. Now it should read 2

asked by Eve on September 10, 2009
9. ## math,correction,plz

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6-radical(20))/(2) My answer: 3-radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) +

asked by jas20 on March 10, 2007
10. ## math , help,algebra

i am up to this point in my problem but i don't know what to do next with it can someone show me. Directions: Simplify by combining like terms x radical(18) minus 3radical(8x^2) these are the steps that i've done so far. = x radical (2*9) -3radical

asked by jasmine20 on March 25, 2007
11. ## Math

1) Solve for x and check Radical (x^2-10x)=3i 2) Simplify (5+ Radical 2)/(5-Radical 2) 3)describe the nature of the roots x^2-x-6=0 x^2+4x+29=0 4) Solve for x and check Radical (x^2 +4x +44) +3=2x I got 7 and -5/3 as answers, was not sure though

asked by JP on December 11, 2008
12. ## math,correction,plz

asked by jas20 on March 10, 2007
13. ## radical equation - no solution right?

radical sign (w + 5) = 2 In all my problems there are a letter variable on the end example: radical sign (-u + 30) = u I then square both sides, drop the radical sign then (u+6)(u-5)=0 then check to see if they are both true I guess my question is this is

asked by Nik H. on October 11, 2007
14. ## Math Algebra

Simplify in radical form 2-√12 / 3+√5 Two minus radical twelve over three plus radical five. I believe I have to multiply by the conjugate but it’s coming out to a weird answer, could anyone solve and explain thanks.

asked by Lauren on August 28, 2018

Here's one of the questions I have problems with: cube root of (x+2)=6th root of (9x+10) A. -1, 6 B. [-13 +/- sqrt(193)]/2 C. 1, -6 D. [13 +/- sqrt(145)]/2 Please explain how to solve this. Should you cube both sides, or raise both to the 6th? and I get

asked by Jennifer on May 4, 2008

Here's one of the questions I have problems with: cube root of (x+2)=6th root of (9x+10) A. -1, 6 B. [-13 +/- sqrt(193)]/2 C. 1, -6 D. [13 +/- sqrt(145)]/2 Please explain how to solve this. Should you cube both sides, or raise both to the 6th? and I get

asked by Jennifer on May 4, 2008
17. ## Easy (yet confusing) Algebra

These problems are pretty easy, but confusing (as stated in the subject line). |2x+5|-x=10 |3x+4|-2x=11 I know there are supposed to be two answers for each problem, for the first problem I got 5 and for the second problem I got 7. I can't figure out the

asked by Emily on April 11, 2007
18. ## Algebra

I have some problems that I am having trouble with and I have some that need checking please. Thanks! Solve the equation. 4. (x+7/4)=2(x-1/6) Find all the value(s) of x that make thedenominator(s) zero. Then solve the equation. 6. (x-8/2x) +5= (x+6/x)

asked by Soly on August 21, 2007
19. ## math,correction

Can somoene helpme plz... Simplify radical 7 * radical 14 wouldn't it be radical (7*14) = radical (98) = 7radical (14) = 7 radical (2) The result is right, you erred on the next to last line. So how do i show that step that i am wrong in...

asked by jasmine20 on March 29, 2007
20. ## algebra

I have a few math questions I made them just like my actual problems so that I can go through the steps you have went through to answer my own problems...Again THESE ARE NOT THE REAL PROBLEMS JUST EXAMPLES LIKE MINE WITH DIFFERENT NUMBERS. I don't know how

asked by Anonymous on June 12, 2013
21. ## Algebra (new one since I put "match" (bad speller)

I have a few match problems that I can't figure out. 1.solve: 3x+5=x√7 (that's a radical sign) 2.factor: (2k+3)2-(2x+3)(y-2)-20(y-2)2 (the "2" after (2k+3) ans (y-2) is suppose to be a square sign. thanks if you can help, or even if you can't For number

asked by Sarah on January 21, 2007
22. ## math

asked by nick on January 3, 2011
23. ## math,correction

Solve for x. Problem #22 25x^2 = 13 My answer: x = + - radical (13)/(5) Problem #32 2 (x - 5 )^2 = 3 My answer: x = 5 +- radical (3)/(2) Problem #42 Solve for x x^2+4x+4=7 (hint factor the left-hand side) My answer: x = -2 +- radical (7)

asked by jasmine20 on March 28, 2007

Convert each mixed radical to an entire radical and each entire radical to the simplest mixed radical. 1.) ^3 root -192 The answer is -4 exponent 3root 3 but I can't figure out how to get the answer. 2.) -6 exponent 3root 13 The answer is exponent 3 root

asked by Heaven on May 31, 2016
25. ## Geometry

1.If two different lines are perpendicular to the same plane, they are: a. Collinear b. Coplanar c. Congruent d. Consecutive I think the answer is B, is that correct? Also, this: 2. Express 3 radical 75 plus radical 27 all over3 in radical form. I

asked by Squid on September 19, 2012
26. ## algebra

3 radical x - 4 radical y divided by 3 radical x - 2 radical y = ( i think im supposed to use the distributive property, after the conjugate. but didn't know if i could just cancel? thanks.

asked by whitney on March 4, 2009
27. ## Math

Could someone please help me solve this radical equation of 2x+7-2=x It's suppose to have the radical sign but I don't know how to put it on here. Thank you

asked by Pam on March 11, 2014
28. ## algebra 1

the question is: What is the sum of 5 radical 7 and 3 radical 8? i don't understand how to solve this because i cant pull out a perfect square

asked by lauren on June 17, 2010
29. ## trigonometry

Simplify and write in standard form. 1.) (radical 3 + i radical 15)(radical 3 - i radical 15) 2.) 8 + 16i / 2i Thanks again everyone. Any help is appreciated.

asked by mikey on December 3, 2012
30. ## Math

asked by Nayla on November 23, 2009
31. ## Math

How would you solve for A 5 x 3^(x+2)= A x 3^(x) Please help me, I have loads of problems like this on my homework assignment and I just can't seem to figure it out Well, we could divide both sides by 3^x couldn't we? We know it's never 0, so there's no

asked by Nicole on August 28, 2006
32. ## math, correction,plz

can someone correct these for me plz.... Problem#36 Use Property 2 to simplify each of the following radical expressions. Radical (10)/(49) My answer: (radical(2 times 5))/(7) Use the properties for radicals to simplify each of the following expressions.

asked by jas20 on March 10, 2007
33. ## math

Can somebody please help me with this problem? This is the index-„³ 5 6^-5 The radical sign did not show, but the problem is: 5 is the index (outside the radical sign and then 6 is squared to the -5th power (inside the radical sign is under the radical

asked by Larry on January 1, 2007
34. ## Math

The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x-1)(x-1) x-1 equals to all the sides of the cube Step 2: a^2 + b^2 = c^2

asked by Angel on November 16, 2016
35. ## maths

A hockey match is played from 3 p.m. to 5 p.m. A man arrives late for the match. What is the probability that he misses the only goal of the match which is scored at the 20th minute of the match?

asked by Anonymous on October 22, 2014
36. ## math,help

Okay i am still trying to understand how to come up with a radical expressions and their applications, and apply to your daily life. I need more examples if any can help me out .... Is there a way of modeling it if i wanted to use a house for instance i

asked by jasmine20 on April 3, 2007
37. ## math

a football match was played for two hours. a man arrives late for the match. what is the probability that he misses the only goal of the match which is scored at 30th minute of the match?

asked by paul on March 2, 2017
38. ## alg2/trig

1)3x^2-12x-21 solve by completing the square in simplest radical form 2) (1/x+3)-(2/3-x)=(4/x^2-9)find values of x 3)3/radical(3a^2b^4) is equivalent to 4) factor completely 27x^-75x^4

asked by alice on January 22, 2012
39. ## math,algebra

I need help if someone can show me the steps to these 2 problems. Problem #1 Use the properties for radicals to simplify each of the following expressions. Assume that all variables represent positive real numbers. radical and inside of the radical theres

asked by jas20 on March 23, 2007
40. ## math,correction plz

asked by jas20 on March 10, 2007
41. ## Math

If b is a positive integer, which of the following equals 3b^4? A) Radical *81b^56 B) Radical 9b^8 C) Radical 9b^16 D) 9 Radical b^16 E) None of the above

asked by Liesel on July 25, 2017
42. ## math,correction

asked by jasort20 on March 21, 2007
43. ## Algebra 2

could you walk me thorugh these problems simplfy square root 18 - 3 times sqaure root of 50 plus 5 times the square root of 80 - 2 times the square root of 125 I'm having troubles with the square root of 80 all of the other radicals can be simplfified with

asked by Kim on May 31, 2009
44. ## math,help,algebra

Can someone show me how to solve these types of problems. i have two that are driving me nuts.as of now. Problem #1 Simplify: 2radical(12) + 4 radical (27) Problem #2 evaluate if possible the following i am going to describe it in the index it has a 3 then

asked by jasmine20 on March 28, 2007
45. ## math,algebra,correction

Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = (1)/(4) radical (s) My answer: t = 9.35 (but i don't know how to word it if minutes all or minutes and seconds

asked by jasort20 on March 21, 2007
46. ## History

which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by

asked by DD on May 4, 2016
47. ## Trigonometry

Express each of the following as a single logarithmic expression. All exponents must be left in radical form: 1.) 2logx-3logy 2.) logx-logy+logz 3.) 1/3log5x+2/3log6x 4.) 2/3(logbase2 x - logbase2 y) I don't understand these problems at all. Can someone

asked by Nabil on May 19, 2012
48. ## Algebra-Please check my calculations

Could you please check my answers and help with the ones I can't figure out- 1. Solution to the radical function sqrt(1/2x+1) = 1 is x = 0 True or False I think it is true according to my calculations 2.Solve x = sqrt(8x) 8x = x^2 x^2 - 8x = 0 x(x-8) = 0 x

asked by JayLynne-I had misprint in previous posting on October 19, 2010
49. ## Algebra

Could you please check my answers and help with the ones I can't figure out- 1. Solution to the radical function sqrt(12x+1) = 1 is x = 0 True or False I think it is true according to my calculations 2.Solve x = sqrt(8x) 8x = x^2 x^2 - 8x = 0 x(x-8) = 0 x

50. ## College Algebra

Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice

asked by Need Help on April 29, 2016
51. ## History "Need Help ASAP"!

14.)Which answer best describes Andrew Johnson's relationship with the Radical Republicans? A.)He founded the Radical Republican movement. B.)He worked with the Radical Republicans to pass important legislation.*** C.)He frequently vetoed legislation

asked by #FreeGucci on May 9, 2016
52. ## math,correction plz

asked by jas20 on March 10, 2007
53. ## Trig

Given sin θ = −1/2 and sec θ > 0, find the exact value of tan 2θ. Radical 3 Radical 3/2 Negative radical 3 Negative radical 3/2

asked by Kiki on May 3, 2014
54. ## Math

I can't figure any of these problems out any help would be nice peace. Show all steps used to solve the problem. 1.5n + 6 = -4 3.b/-3+5=7 4.17-x/4=-10 5.If 3a - 9 = 6, what is the value of 4a - 1? 6.

asked by Nick on May 21, 2009
55. ## Math

In math we're doing a review sheet and i don't get any of it so can someone please help!! What is the simplest form of the expression Radical 28 + radical 175 - radical 7

asked by Alyssa on May 30, 2013
56. ## trig

asked by Anonymous on December 1, 2011
57. ## precalculus

asked by rebecca on September 27, 2015

asked by Liily on November 27, 2012
59. ## Algebra 2

Can someone explain how to figure out these types of problems? Solve log3 (x - 4) > 2. Evaluate log7 49. If log5 4 ≈ .8614 and log5 9 ≈ 1.3652 find the approximate value of log5 36. Solve the equation, log4 (m + 2) - log4 (m -5) = log4 8. Solve, 2^x =

asked by Nikki on October 20, 2017
60. ## algebra 2

how do you solve quadratic equations by finding square roots i have no clue how to do this. I have fallen behind in my math class because my teacher is horrible. I need to learn this to understand everything in the section in the section. I beg someboody

asked by HELP ME on November 30, 2009
61. ## math

Solve for t: Radical(t-108) - Radical(t+186) = 6 The only possible root is t = ?. It is an extraneous root.

asked by G on July 8, 2010
62. ## Alg 1

Simplifying Radicals A gardener is mowing a 20-yd-by-40 yd rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the cxorner diagonally opposite. What is the length of this pass with the mower? Give your answer in

asked by Jane on April 2, 2013
63. ## math,help

can someone help me plz...last problem simplify (7 + radical (5))(7- radical (5)) for this one i have no idea (a+b)*(a-b)= a^2 - b^2 memorize that, it is the factors of the difference of squares. In this case, a=7, b= sqrt5 so, it simplifies to 49-5=44 So

asked by jasmine20 on March 29, 2007
64. ## math, algebra,correction

I don't know if this is right. directions: Simplify each radical expression. (radical 3+5)(radical 3-3) i think its: radical 3+2 Life would be so much simpler if you would use parenthesis. Did you mean this? (sqrt3 + 5)(sqrt3 -3) ? multiply that out

asked by Jasmine20 on January 26, 2007
65. ## Algebra

How do you work square root problems when there is a number outside the radical that needs to be divided out. Example: 2(square root of 5x-1)=3(square root of 2x+4). How can you get both of the radicals by themselves in order to solve the equation?

asked by Catey on March 31, 2008
66. ## Math

asked by Jason on December 11, 2008
67. ## Algebra II

asked by Mom of 8 on October 4, 2010
68. ## algebra help

My class is doing a unit on the "completing the square method" which is used to solve quadratic equations. I need help understanding this method. It's not making any sense right now! I have two problems and I need to figure out which number completes the

asked by Bailey on January 4, 2007
69. ## Math-Involing i's

1)What is the product of 5+ Radical (-36) and 1-Radical (-49) expressed in simplest a+bi Form? 2) Express Radical (-27) + i^22 + 3-Radical (-25) +5 Radical (-3) in simplest a+bi form.

asked by Joey on December 11, 2008
70. ## Algebra

10. Solve each radical expression. Check your solution. 1=√(-2v-3) 11. Solve each radical expression. Check your solution. √(n+5)= √(5n-11) 12. Tell which solutions, if any, are extraneous for each question. √(12-n)=n; n= -4,n=3

asked by Anonymous on May 3, 2016

72. ## polynomials

i also have theses to solve Factor the polynomial x2 + 5x + 6 completely Solve the given equation by using the quadratic formula. x2 – 7x – 4 = 0 What value is under the square root (or radical) in your answer? (Note: You are asked to identify only the

asked by mike on May 15, 2007
73. ## math,algebra,help

Directions are simplify by combining like terms. x radiacal 18 -3 radical 8x^2 can someone show me how to do these types of problems. thanks I cant determine the second term. For the first, I think you meant x sqrt(18) which reduces to x sqrt (9*3) or 3x

asked by Jasmine20 on January 26, 2007
74. ## Trigonometry

Add 3+ 4i and -4+2i graphically My class got 1+ 2 radical 10 /2 and 1-2 radical 10 /2 . whenever i put this into the y= graph, nothing shows up on the graph. Can someone tell me how to solve this algebraically and graphically?

asked by Tomtom on November 3, 2011
75. ## statistics

in a classic study of problem solving, katona demonstrated that people whoa re required to figure out a problem on their own will learn more than people who are given the solution. One group of participants is presented with a series of problems that hey

asked by Lezlie on June 11, 2008
76. ## Algebra

Express the radical as a power. Then evaluate it. Round to the hundredths place. I can't figure out how to type the symbols on my computer, but there are 3 problems. 1) 795 "square-rooted to the 3rd power" 2) 9876 "square-rooted to the 5th power" 3) 845.3

asked by Sylvie on February 13, 2013
77. ## Math,correction Plz

Can someone correct these for me please. Problem #68 Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. Using the formula t=(1)/(4)radical(s). My answer: 9 minutes and 35 sec. Problem #2

asked by jas20 on March 10, 2007
78. ## Parabolas in standard form!

Hello, I am having the worst time trying to solve these parabolas and putting them into x-h = a(y-k)^2 form. :( There are two problems that i keep doing something wrong. could someone solve them so I can have a set up for the rest of my problems? :)

asked by Kate on May 24, 2012

We did graphing reflections of images homework from the book with problems that gave the vertices for each figure and said either reflect over x or y. This time, the homework is a worksheet and directions are to graph the reflection across either x or y

asked by Alexis on September 16, 2015
80. ## math

there's a question that I don't understand and the direction says that 'solve problems as combination integer problems.remember to rewrite all double sign problems as combination problems before solving' and here's a question 50- -61+ - 170 =

asked by allie on January 22, 2008
81. ## Probability (Pre-Calculus)

A class is given a list of eight study problems from which five will be part of an upcoming exam. If a given student knows how to solve six of these problems, find the probability that the student will be able to answer: (a) all five questions on the exam.

asked by Hailey on March 25, 2010
82. ## math,correction,plz

Solve each of the following quadratic equations by completing the square. Problem#22 sect. 10.2 x^2-6x-3=0 My answer I keep getting two different answers : I get these two everytime i do it differently. I get : x= 3 +- radical(12) or x = 3+-2radical(3)

asked by jas20 on March 11, 2007
83. ## SCIENCE

When a student added Zinc granules to dilute HCI, a colorless and odorless gas was evolved, which was tested with a burning match stick, it was observed that: (a) The match stick continued to burn brilliantly. (b) The match stick burnt slowly with a blue

asked by A GOODSTUDENT on August 24, 2016
84. ## math

the expression 6 times radical 20 divided by 3 times radical 5 is equvilent to 1. 3 radical 15 2. 2 radical 15 3. 8 4. 4

asked by lex on October 19, 2011
85. ## chemistry

The figure above shows how the energy of a system varies as a chemical reaction proceeds. Match the numbers features labeled on the figure above to their corresponding statements below: energy state of the reactants:

asked by queiry on December 16, 2012
86. ## find the height

A paper cone cup beside a water cooler has a diameter of 6 centimeters and a slant length of 9 centimeters. What is the approximate height,h, of the cup? A 3 radical 5 centimeters B 6 radical 2 centimeters C 3 radical 10 centimeters D 7 radical 2

asked by Anonymous on April 15, 2015
87. ## Physics

*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we

asked by Justin on October 8, 2006
88. ## physics

Heather and Matthew walk eastward with a speed of 0.98 m/s. If it takes them 34 min to walk to the store, how far have they walked? If Joe rides south on his bicycle in a straight line for 15 min with an average speed of 12.5 km/h, how far has he ridden?

asked by anonymous on September 20, 2006
89. ## english

How can we complete the sentence begin with the match. It seems that the match is postponed. The match---------------------------.

asked by ramesh reddy on February 24, 2009
90. ## math....

asked by Xxcody~kunxX on March 22, 2016
91. ## Algebra 1

asked by Tranese on May 16, 2011
92. ## algebra

Help Fast PLEASE!! check for corrections on my problems 1.Rewrte the following in simplified radical form, Assume all variables represents positive real numbers: square root 48y^10= 4y^5 square root 3 2.Rationalize the denomintor and simplify: square

asked by lee on October 31, 2010
93. ## algebra

What s radical 20 is written in simplest radical for, the result is k radical 5. What is the value of k?

asked by Anonymous on January 27, 2010
94. ## Math

I am having problems understanding how to solve problems like the following: a2 + b2 = c2 Please help me where I can understand solving problems such as the one above.

asked by Jasmine on March 30, 2009
95. ## algebra 2

Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = 1/4 radical (s) t=1/4 radical 1400 t= 10 radical 14*1/4 t= 5 radical 14 /2 what are I doing wrong I am suppose to

asked by Tom on May 11, 2007
96. ## Math 115

I need help with these problems 1. 18kg=______g I don't understand this. 2.1kg=______oz. can't figure this out. 3.20lb=______oz can't figure this out. 4.461mm=______m don't know where to begin. Can some please help me understand these problems.

asked by Jerome on July 11, 2010
97. ## geometry

abcd is a rectangle such that ab=-3 radical sign 48+2 radical sign 75+4radical sign108 and Bc=4 radical sign 27 +radical sign 300 prove that abcd is a square

asked by omar on June 29, 2011
98. ## Precalculs

I have no idea how to do these type of problems. -------Problem-------- Solve each equation on the interval 0 less than or equal to theta less than 2 pi 42. SQRT(3) sin theta + cos theta = 1 ---------------------- There is an example prior to the

asked by Kate on February 28, 2010
99. ## Solving Inequalities?

Ive been having problems with this soo... My first problem is this: Solve 2x-4(x+2)-6 < 0 Can someone help me step-by-step figure this out so i can at least finish the ones that are similiar to this one? Thankies

asked by Chrissy on September 3, 2009
100. ## math practice help

add or subtract (2x^2+6x+1)+(-7x^2+2x-3) 5x^2-4x-2 -5x^2+8x-2 5x^2-8x+2 -9x^2-8x+2 (3x^2-7x-4)-(6x^2-6x+1) -3x^2-x-5 -3x^2-13x+5 9x^2-x+5 3x^2-13x-5 These are just practice problems. could someone help me figure out how to solve them and explain how they

asked by Umacblackbelt on June 4, 2015