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oksano4ka [1.4K]
2 years ago
10

Simplify all the way

Mathematics
1 answer:
attashe74 [19]2 years ago
4 0

Answer:

81

Step-by-step explanation:

3^7/3^3

3*3*3*3*3*3*3=2187

3*3*3=27

2187/27=81

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Substitution:<br><br> y=6x+11<br><br>y-4x=15 ​
german

Answer:

x=2

Step-by-step explanation:

6x+11-4x=15

2x+11=15

2x=4

x=2

4 0
3 years ago
3n-5=19
alina1380 [7]

Answer:

n=8

Step-by-step explanation:

3n-5=19

3n=19+5

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6 0
3 years ago
The figure shown has two parallel lines cut by a transversal:
antiseptic1488 [7]

The Answer is C and I am 100% sure about it

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Find the equivalent fraction of 2/3 having denominator 6 and 6 and numerator 10.​
4vir4ik [10]

Step-by-step explanation:

having denominator 6,

X/6= 2/3

X= 4

so, 4/6= 2/3

having numerator 10,

10/X= 2/3

X= 15

so, 10/15= 2/3

7 0
2 years ago
2x + y = 7 y = x + 1 When the expression x+1 is substituted in for y in the first equation, the result is
Charra [1.4K]

2x + y = 7

substitute

2x + (x+1) =7

combine like terms

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subtract 1 from each side

3x =6

divide by 3

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y = x+1

y =2+1

y=3

Answer: x=2, y=3

6 0
3 years ago
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