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Natasha2012 [34]
3 years ago
12

Subtract 7 1/7 and 5 2/9 simplify the answer and write it as a mixed number

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
8 0
71/7 -5 2/9 = 1 20/21
Aleks04 [339]3 years ago
8 0
7 1/7 = 48/7
5 2/9 = 47/9
7 × 9 = 63
48 × 9 = 432
432/63
47 × 7 = 329
329/63
432 - 329 = 103
103/63
103 ÷ 63 = 1 (and some decimal points)
ANSWER: 1 40/63
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Harlamova29_29 [7]

Answer:

D)  7 1/2

Step-by-step explanation:

-3 ÷ -2/5 =

-3 x -5/2 =

-3 x -2.5 =

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5 0
3 years ago
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Find the value of y. images attached.
telo118 [61]

Answer:

<h3>The answer is option D</h3>

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of y

To find the value of y we use tan

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We have the final answer as

<h3>18.61</h3>

Hope this is helps you

5 0
3 years ago
What is the solution to the system of equations? Use the linear combination method.
Korolek [52]
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2. {(2x−3y=9)×5
{(3x+5y=4)x3

3. {10x-15y=45
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4. (10x-15y=45) + (9x+15y=12)= (19x=57)

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6. x=3

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8. 6-3y=9

9. -3y=9-6

10. (-3y=3)÷(-3)

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3 0
3 years ago
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Vesnalui [34]

Answer:

B

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8 0
2 years ago
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Marina CMI [18]
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4 years ago
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