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kari74 [83]
3 years ago
15

How do you subtract mixed numbers

Mathematics
1 answer:
saveliy_v [14]3 years ago
4 0
Each mixed number has to be converted to an improper fraction first. Then convert to common denominators.


= 8 5/6 - 2 4/9
convert to improper fractions

= 53/6 - 22/9
find common denominators; both denominators go into 18

= 159/18 - 44/18
subtract numerators

= 115/18
convert back to mixed number

= 6 7/18


ANSWER: 6 7/18

Hops this helps! :)
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Answer:  (x-2)^2 + (y+3)^2 = 36\\\\

Work Shown:

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Note that (h,k) = (2,-3) is the center and r = 6 is the radius. The last line is not expanded out using the FOIL rule because its common practice to leave it in (x-h)^2 + (y-k)^2 = r^2\\\\ form. This form allows the reader to quickly determine the center and radius (rather than have to do a lot of algebraic steps before hand).

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2 years ago
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ZanzabumX [31]

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7 0
3 years ago
Read 2 more answers
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Elena-2011 [213]

Answer:

The correct answer is: Option D) 5

Step-by-step explanation:

Given equation is:

3(x + 2) + x = 2x + 16

In order to find that which values of x makes the equation true, we have to put each value of x in the equation. When both sides of equations will be equal, that value of x will be true for the equation.

Putting x = 2

3(2 + 2) + 2 = 2(2) + 16\\3(4)+2 = 4+16\\12+2 = 20\\14 \neq 20

Putting x = 3

3(3 + 2) + 3 = 2(3) + 16\\3(5)+3 = 6+16\\17+3 = 22\\20 \neq 22

Putting x=4

3(4+2)+4 = 2(4)+16\\3(6)+4 = 8+16\\18+4 = 24\\22 \neq 24

Putting x = 5

3(5+2)+5 = 2(5)+16\\3(7)+5 = 10+16\\21+5 = 26\\26 = 26

The equation is true for x = 5

Hence,

The correct answer is: Option D) 5

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2 years ago
20,612,439 in scientific notation
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