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

13,190 results
1. ## Mathmatics

4.8.1 - Test: Radical Expressions and Equations Unit Test Part 1 Honors Algebra 1 B (CL); 7.20 / 4. Radical Expressions and Data Analysis / 4.8. Radical Expressions and Data Analysis Unit Test Connexus studies! Just went through and took the test and I

2. ## MAT1033

Why is it impossible to combine the expression radical 3x + 3^ radical 3x into a single term? Explain.

3. ## 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

4. ## algebra

am I right? 1. Simplify radical expression sqrt 50 5 sqrt ^2*** 2 sqrt ^5 5 sqrt ^10 5 2. Simplify the radical expression sqrt 56x^2 28x 2x sqrt 14*** 2x sqrt 7 sqrt 14x2 3. Simplify the radical expression. sqrt 490y^5w^6 2 sqrt 135y^2 2y sqrt 135*** 27

5. ## Triginometry

Solve 2x^2-12+4=0 by completing the square, expressing the result in simplest radical form.

6. ## math 9

when 5 radical 20 is written in simplest form, the result is k radical 5 what is the value of k? 1) 20 2) 10 3) 7 4) 4

7. ## 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.

8. ## Trig

Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2 ____ x^2 + _____ x+ ______=0

9. ## 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

10. ## Algebra

1- Simplify the radical expression: √250h^4k^5 a) hk√125 b) 5√10h^4k^5 c) 5h^2k^2√10k d) 25hk√10k ** 2- Simplify the radical expression: √21y * 5√49y a) 5y√1,029 b) 5√1,029y^2 c) 35y√21 d) 35√21y^2 ** 3- Simplify the radical

11. ## Algebra

1.Simplify the radical expression. √5+6√√5 A.5√5 B.7√10 C.7√5 D.5√10 2.Simplify the radical expression. 2√6+3√96 A.14√6 B.14√96 C.5√96 D.50√6 3.Simplify the radical expression. (8+√11)(8-√11) A.53 B.75+16√11 C.-57 D.64+√11

12. ## Algebra 2

Ok so I'm suppose to do this Square root of 6 ___________________ Square root of 2 I know when you divide a radical over radical and they have the same what ever it's called (the same number outside of the radical that determines if it's cube root squared

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

14. ## 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

15. ## 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

17. ## 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

18. ## 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

19. ## Geometry

I need help simplifying the radical (IN RADICAL FORM ONLY) What's the square root of 224? Can you please show how you got the answer so I can learn how to do it myself next time please.

20. ## Math

Can someone check my work for this quadratic equation? Thank you. b^4 + 2b^2 - 24 = 0 b^4 + 2b^2 = 24 (b^2)^2 + 2b^2 = 24 b^2 + 2b = 24 .... b = -2 +(-) ( Radical 4 - 4 (1)(-24) ) / 2(1) b = -2 +(-) (Radical 100) /2 b = - 2 +(-) 10 / 2 b = -1 +(-) 5 b1 = 4

21. ## 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

22. ## 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

23. ## math,correction

Find length x in each triangle. Express your answer in simplified radical form. leg 1 = 8 leg 2 = x hypotenuse = 12 MY answer: so x = ã80 I got √80 or appr. 8.94 yes the symbol is a radical. also since the directions say to leave as a radical form

24. ## MATH

What is the index of a radical? When working with radicals, can the radicand be negative when the index is odd? Can it be negative when the index is even? Why is it important to simplify radical expressions before adding or subtracting? How is adding

25. ## 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

27. ## algebra

1.what is the simplest form of the producy sqrt 50x^7y^7 * sqrt 6 xy^4 2. What is the simplest form of the radical expression 4^3 sqrt 3x + 5^3 sqrt 10x 3. What is the simplest form of the radical expression sqrt 2 + sqrt5 / sqrt 2 - sqrt 5 if someone

28. ## 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

29. ## 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...

30. ## 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

31. ## 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

32. ## 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

34. ## chemistry

can anyone explain to me this i don't understand it. Radicals Certain groups of different atoms will join together and act as a single unit when forming compounds. Such a group of atoms is called a radical. In the compound calcium carbonate, written CaCO3,

35. ## 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

37. ## math

Simplify the following, state the answers with a rational exponent: (radical sign) 5^10 the 5^10 is under the radical

38. ## geometry

ok, so you have a special right triangle that is a 30 60 90, the side measures are y, 2y and y radical 3. in place of those, y=25 2y=c and y radical 3 i figured out to be 25 rad 3 divided by 3 this is substituted by letter d. find c. would it be 50?

39. ## math

why is it important to find nonperfect roots in radical form to simplify the process of performing basic operation with radical expression?

40. ## Algebra

I am trying to simplify 24a^2/b^4 (the entire expression has a radical sign around it). I got 4a times the radical of 6a/b^4. However, my teacher said this isn't correct on my quiz. Why, and what is the right answer? Thanks!!!

42. ## algebra

Can someone help me to use radical exponents to write x^1/4 * y^1/7 * z^1/2 as a single radical expression? Thanks,

43. ## 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

45. ## 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

46. ## 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

48. ## math

Solve radicals. 1. √8 /√32 (radical 8 divided by radical 32) = √1/√4 (divided numerator & denominator by 4) = 1/2 (simplify radical 1 over radical 4) 2. √7 /√49 (radical 7 divided by radical 49) = √7 /7 (simplified radical 49 = 7, but kept

49. ## 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

50. ## 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) +

51. ## 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.

52. ## 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.

54. ## 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.

55. ## 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

57. ## 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

61. ## 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

64. ## 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.

65. ## 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

67. ## math

what is the square root of 5z-2, then it says plus 7=10 First, subtract 7 from each side so you now have: sqrt(5z-2)=3. Then square each side, so you now have: 5z-2=9. Then add 2 to each side so you have 5z=11. Then divide each side by 5 and the answer is

68. ## 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

69. ## mathematics

It can be shown that for any positive integer n, the infinitely nested radical expression (n+(n+(n+....)^1/2)^1/2)^1/2 equals a finite number. What is the largest positive integer n≤999 such that this expression is equal to a positive integer? Details

70. ## algebra

When solving a radical equation, explain why it is important to try and isolate the radical term.

71. ## Algebra II

Rationalize the denominator and simplify... radical 44x^2/radical 11 +3 Help would be appreciated :)

72. ## algebra 2

What is the smallest value of x for which the radical expression (radical sign)2x-10 is a real number

73. ## geometry

ok, so you have a special right triangle that is a 30 60 90, the side measures are y, 2y and y radical 3. in place of those, y=25 2y=c and y radical 3 i figured out to be 25 rad 3 divided by 3 this is substituted by letter d. find c. would it be 50?

74. ## Math 117

Why is it important to find nonperfect roots in radical form to simplify the process of performing basic operations with radical expression?

75. ## algebra

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

77. ## algebra

when 5√20 is written in simplest radical form, the result is 4√5. What is the value of k?

78. ## Math

When square root of 2800 is written as a mixed radical in form of a radical b, the value of ab is A) 7 B) 27 C) 140 D) 280 I square root and simply it and got the answer 20 radical 7. But how do I find the value of ab

79. ## 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

81. ## 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

82. ## 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

83. ## 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

84. ## college algebra

In a radical equation if the negative symbol is in front of the radical should I use -1 to factor out the negative power? And if so do I factor across the = doing BOTH sides? Or just the side the radical is on? Thanks anyone, I've been out of school for 12

86. ## Algebra

Write a radical for exact length of the diagonal of the 30 by 30 dance floor. simplify the radical. Im not sure how to do this.

87. ## Geometry, help!

Circle O has a radius 28. Radii OM and ON form an angle of 60 degrees. Find MN. A) 28 radical 2 B) 28 C) 56 D) 56 radical 3 Is it A) ?

88. ## 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

89. ## Algebra

Express the radical in simplied form: The 5th root of 2430 I do not know how to type in the radical sign.

90. ## 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

92. ## Math

Hi! I was wondering after you simplify a radical, can you add the rest of the equation to whats outside of the radical? ex. 20 + 10√35 Would that be 30√35 or would it stay as 20+10√35 Thank you in advance, this is really bugging me! :)

94. ## algebra for Steve

How would i multiply: (4+ radical of 3092+ radical of 3) if they are simplified already inside the parenthesis? what do i do now

95. ## math

What is a radical? What is a mixed radical? What is a square root? What is a perfect sqaure?

I don't know how to do this type of problem: 6 radical 3(5 radical6-3 radical 10 ) I need help fast

98. ## Algebra 1

How would i multiply: (4+ radical of 3)(2+ radical of 3) if they are simplified already inside the parenthesis? what do i do now

99. ## pre calc

multiply and simplify (5w-radical 3x)^2 sorry my computer has no radical key!!

100. ## math

simplify the radical radical symbol with 44 as the index with (x + 4)^44 would the answer be! x + 4