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Inga [223]
3 years ago
10

Rewrite 5/ 16 + 6/ 20 with a common denominator.

Mathematics
2 answers:
Troyanec [42]3 years ago
5 0
25/80 + 24/80 = 49/80. 16 and 20 both go into 80. !6 goes in 5 times so you multiply 5 by 5. 20 goes into 80 4 times so you multiply 4 by 4. 24/80 + 25/80 = 49/80.
Dahasolnce [82]3 years ago
5 0

Answer:

49/80

Step-by-step explanation:

For getting a common denominator, each term must be multiplied in numerator and denominator by the denominator of the other term.

For example:

  • The 5/16 term must be multiplied by 20 (both 5 and 16)
  • The 6/20 term must be multiplied by 16 (both 6 and 20)

The terms would be like this:

(5x20)/(16x20)+(6x16)/(20x16)

The result would be:

100/320+96/320

As common denominator is already obtained, the expression could be one.

(100+96)/320=196/320

Now, the previous expression could be simplified. If we divide the numerator and the denominator by 4, the following result is obtained:

(196/4)/(320/4)=49/80

The expression with common denominator would be: 49/80

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3 years ago
Read 2 more answers
Which relation is a function?
adoni [48]

Answer:

  • The second graph, top right

Step-by-step explanation:

#1, top left

  • Has repeating x- values at x = -2, not a function

#2, top right

  • No repeat, input or outputs, is a function

#3, bottom left

  • Has repeating x- values at x = 0, not a function

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5 0
3 years ago
Use the Exterior Angle Theorem to find the measure of each angle.
navik [9.2K]

Answer:

∠ C = 36°

∠ D= 81°

∠ DEC= 63°

Step-by-step explanation:

<em>The exterior angle of a triangle is equal to the sum of the interior opposite angles. </em>

<em />

∴   (11y + 4) + (5y + 1) = 117

         11y + 4 + 5y + 1 = 117

         16y + 5 = 117

         16y = 117-5

         16y = 112

         y = 112÷16

         y = 7

∠ C = 5×(7) + 1 = 36°

∠ D = 11×(7) + 4 = 81°

∠ DEC = 180- 117 = 63°

<u><em>PLEASE MARK THIS ANSWER AS THE BRAINLIEST</em></u>

<u><em></em></u>

<em />

7 0
3 years ago
A number subtracted from 16 is -3
MrMuchimi

Answer:

19

Step-by-step explanation:

-3+19 would=16

6 0
3 years ago
A rectangle has a length of 3x inches. The width of the rectangle is (2x+6) inches more than the length. A) Find the perimeter o
s2008m [1.1K]
Perimeter = 2*(length +width)
perimeter = 2*(3x + (3x +(2x+6)))
.. = 2*(3x +3x +2x +6)
.. = 2*(8x +6)
perimeter = 16x +12

If x=3, the perimeter is 16*3 +12 = 60 inches.
7 0
3 years ago
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