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8090 [49]
3 years ago
9

Rationalize the denominator of 1/√3​

Mathematics
2 answers:
Olin [163]3 years ago
5 0

\huge\sf\underline{\purple{❥}\pink{Q}\orange{U}\blue{E}\red{S}\green{T}\purple{I}\pink{O}\red{N}}

<h3>rationalize the denominator of 1/√3</h3>

\huge\sf\underline{\purple{❥}\pink{A}\orange {N}\blue{S}\red{W}\green{E}\purple{R}}

\frac{1}{ \sqrt{3} } \\   \\(to \: rationalize \: the \: denominator \\ we \: have \: multiply \:   \frac{1}{ \sqrt{3} }  \: to  \: the \:given \: fraction \:    \:  \: ) \\   =  \frac{1}{ \sqrt{3} }  \times  \frac{1}{ \sqrt{3} }  \\  =  ( \frac{1}{ \sqrt{3} } ) {}^{2}  \\  =  \frac{1}{3}

HOPE IT HELPS YOU..

ZanzabumX [31]3 years ago
3 0

Answer:

√3/3

Step-by-step explanation:

Multiply the numerator and denominator by the conjugate.

Hope this helps!! Please consider marking brainliest! Have a good one!!

Step 1: Multiply numerator and denominator by a radical that will get rid of the radical in the denominator.

If the radical in the denominator is a square root, then you multiply by a square root that will give you a perfect square under the radical when multiplied by the denominator.   If the radical in the denominator is a cube root, then you multiply by a cube root that will give you a perfect cube under the radical when multiplied by the denominator and so forth...

Note that the phrase "perfect square" means that you can take the square root of it.  Just as "perfect cube" means we can take the cube root of the number, and so forth.  

Keep in mind that as long as you multiply the numerator and denominator by the exact same thing, the fractions will be equivalent.

Step 2: Make sure all radicals are simplified.

Some radicals will already be in a simplified form, but make sure you simplify the ones that are not.  If you need a review on this, go to Tutorial 39: Simplifying Radical Expressions.

Step 3: Simplify the fraction if needed.

Be careful.  You cannot cancel out a factor that is on the outside of a radical with one that is on the inside of the radical.  In order to cancel out common factors, they have to be both inside the same radical or be both outside the radical.

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Answer:

w + v

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b

Step-by-step explanation:

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Find the total surface area.<br> 8 km<br> 4 km<br> 3.9 km<br> 2 km<br> 8 km
qaws [65]

Answer:

71.2 km²

Step-by-step explanation:

Triangles: 1/2(8)(3.9)=15.6 (2 of them - front and back)

Base: 8x2=16

Side: 4x2=8

Slant:8x2=16

15.6+15.6+16+8+16=71.2

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4 years ago
Which monomial is a perfect cube?
neonofarm [45]

Answer:

Option (a) is correct.

1x^3 is a perfect cube.

Step-by-step explanation:

 Given : Some Monomial

We have to choose out of given monomial that is a perfect cube.

Perfect cubes are numbers that can be written as (ab)^3

So, consider 1x^3 , we know 1 can be written as 1^3

Thus,  1x^3 can be written as  1^3x^3=(1x)^3

Thus, Option (a) is correct.

5 0
3 years ago
Read 2 more answers
Rachel’s mother tells her she can play at the arcade as long as the cost does not exceed $24. Each game costs $1.50.
Deffense [45]

Answer:

16

Step-by-step explanation:

If each game is $1.50 we would divide the 24 by 1.50, or multiple 1.50 to find 24. So 24 divided by 1.50 is 16.

So she could play 16 games.

7 0
3 years ago
If A = 50 degrees, B = 62 degrees, and a = 4, find b.<br><br>Round to the nearest tenth.​
____ [38]

Answer:

b \approx 4.6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Pre-Calculus</u>

  • Law of Sines: \frac{sin(A)}{a} = \frac{sin(B)}{b}

Step-by-step explanation:

<u>Step 1: Define</u>

A = 50°

B = 62°

a = 4

<u>Step 2: Solve for </u><em><u>b</u></em>

  1. Substitute [LOS]:                    \frac{sin(50)}{4} = \frac{sin(62)}{b}
  2. Cross-multiply:                       bsin(50) = 4sin(62)
  3. Isolate <em>b</em>:                                 b = \frac{4sin(62)}{sin(50)}
  4. Evaluate:                                 b = 4.61042
  5. Round:                                    b \approx 4.6
7 0
3 years ago
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