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erastova [34]
3 years ago
6

How to use denominators when comparing two fractions with the same numerators

Mathematics
2 answers:
Sholpan [36]3 years ago
4 0
What you would do is take the denominators and multiply them by each other, then multiply the numerators by that same number. So like 4/10 and 4/9. You would say, (denominators) 10x9=90 and (numerators) 4x9=36. So your first fraction would be 36/90. Next, you would take (denominators) 9x10=90 and (numerators) 4x10=40. So your second fraction would become 40/90. Now it's a lot easier to compare. 36/90 < 40/90 would be the answer to my problem. I hope I helped!
Ainat [17]3 years ago
3 0
Yes what the person said above I'm just lazy and don't want to type all that
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6x-5y=15 x=y+3 find x and y
arlik [135]

Answer:

(0, -3)

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

6x - 5y = 15

x = y + 3

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

<em>Substitution</em>

  1. Substitute in <em>x</em>:                                                                                                  6(y + 3) - 5y = 15
  2. Distribute 6:                                                                                                    6y + 18 - 5y = 15
  3. Combine like terms:                                                                                        y + 18 = 15
  4. [Subtraction Property of Equality] Subtract 18 on both sides:                     y = -3

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Define original equation:                                                                               x = y + 3
  2. Substitute in <em>y</em>:                                                                                                   x = -3 + 3
  3. Add:                                                                                                                   x = 0
7 0
3 years ago
Someone help I don't get it
Gemiola [76]
The answer is the first choice. 
6 0
3 years ago
David cut a board 20 foot long into four equal pieces. Which expression does NOT equal the length of one of the pieces in feet?
AURORKA [14]

Answer:

the awnser would be a

Step-by-step explanation:

7 0
3 years ago
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Estimate the unit rate of 12 pairs of socks sell for $5.79 any body knows what the answer is?​
Minchanka [31]

Answer:

About  $0.24 per sock

Step-by-step explanation:

12 pairs = 24 socks

5.79/24 = 0.24125

8 0
3 years ago
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The measure of angle R is 65 degrees. Fond the measure of angle S.
loris [4]

Answer:

50

Step-by-step explanation:

If R is 65, then T must also be 65 because both of the sides are congruent. 65+65=130 and all angles on a triangle add to 180. Therefore 180-130 is 50

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2 years ago
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