Algebra

posted by .

Simplify the expressions and solve the equations

1. 2√3 - √12

My answer: 2√3 - 2√3 = 0

2. √(5p + 5)^2 = √(6p + )^2

I got the answer p = 4

3. √(28) + √(63) + √(175)

This one seems so simple. I tried multiple times, but I can't seem to get the correct answer. I think i'm making some little mistake in the calculations or something.

4. √(2w + 5) + 4 = √(25)

My answer: -3.5

5. √(18)/√(8 - 3)

My answer: -12 - 9 √2

  • Algebra -

    #1 ok
    #2 ok if you meant √(6p+1)

    #3
    √28 + √63 + √175
    2√7 + 3√7 + 5√7 = 10√7

    #4
    √(2w+5) + 4 = √25
    √(2w+5) = 1
    2w+5 = 1
    2w = -4
    w = -2

    #5
    √18/√(8-3)
    3√2 / √5
    (3√10)/5

    If you meant

    √18/(√8-3)
    (3√2)(√8+3)/5
    (12+9√2)/5
    How did you come up with your answer?

  • Algebra -

    I have a question.

    #3: On my calculator, √28 + √63 + √175 = 6.06, but 10√7 = 26.5. Shouldn't they = the same number?

    As for #5.. I'm not really sure, tbh. I tried that problem a while a go and I'm not quite sure where I was going with it.

  • Algebra -

    There's no way that

    √28 + √63 + √175 = 6.06

    You must have hit some wrong keys

    Just a rough approximation would be

    5 + 8 + 13 = 26, not 6.06!

  • Algebra -

    Well, I entered in the calculator √28 + √63 + √175 and got 6.06. I just entered the expression. I didn't take the sq roots first.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Algebra

    How would i complete these problems? 1. (√6mn)^5 2. ^3√16x - ^3√2x^4 3.^4√x • ^3√2x 4. ^3√72x^8 5. √63a^5b • √27a^6b^4 and are these problems correct?
  2. Math

    Find an equation of the line that bisects the obtuse angles formed by the lines with equations 3x-y=1 and x+y=-2. a. (3√2 +√10)x-(√10 + √2)y-2√10+√2=0 b. (3√2 - √10)x+(√10 - √2)y+2√10+√2=0 …
  3. algebra 1

    alright i have a few questions if its ok..?
  4. maths

    I will be thankfull to you if you help me to solve the below problem: 6√x-11/3√x=2√x+1/√x+6 I tried to solve the above problem like this: (6√x-11)(√x+6)=(3√x)(2√x+1) 6√x(√x+6)-11(√x+6)=(3√x)(2√x)+(3√x)(1) …
  5. algebra 1 help

    simplifying square roots 1) find volume of this prism?
  6. Algebra 2 Answer Check

    Simplify by rationalizing each denominator. 1. 2/√3 A: 2√3 / 3 2. -18/√6 A: -3√6 Add or subtract. 3. 4√3 - 9√3 A: -5√3 4. √8 - 15√2 A: -13√2 5. √45 + √20 A: 5√5 …
  7. Algebra 2

    Can someone help me with this radical expression please?
  8. 8th grade algebra

    Can you check my answers? 1. 3√20/√4 = 3√(5)(4)/2 = 3(2)√5/2 = 3√5 2. 4√15/√9 = 4√15/3 3. √12/√16 = √4(3)/4 = 2√3/4 = √3/2 4. √10/√5 = √2
  9. Algebra

    1. Simplify the expression: 4√18+5√32 A.45√2 B.32√2 C.116√2 D.9√50 2. Simplify the expression: 7√5-3√80 A.-5√5 B.-4√75 C.-5 D.4√-75 3. Simplify the expression: √21(√3+√14) …
  10. Algebra - Check My Work

    For Question 1-8 Simplify the Radical Expression *** - My Answer 1.√45 3√5*** 2.√180x^2 6x√5*** 3.√150x^3 k^4 5xk^2√6x*** 4.√21y * 5√49y 35y√21*** 5.(The square root sign applies …

More Similar Questions