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cupoosta [38]
3 years ago
7

1. k/3=3/9 A)1 B)3 C)9 D)27 2.1/

Mathematics
2 answers:
NARA [144]3 years ago
7 0
Hello there.

<span>1. k/3=3/9

</span><span>A)1</span>
postnew [5]3 years ago
3 0
Cross multiply so you have kx9 = 9k and 3x3 = 9 so 9k = 9, now you divide by 9 and you get k=1
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Can someone please help me on these two questions tysm
Rashid [163]
Plug them in:

x + 5y = 18 
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F. (1,13)
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1 + 5*13 = 18 is obliviously not true so that takes out the first option.
 
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3 years ago
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timofeeve [1]

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3 years ago
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Tatiana [17]
Ok so for starters you want to choose an equation and solve for a variable.
So, I am going to choose x from the first equation.
Add y to both sides and you get x=11+y
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2(11+y) +10y=-6
Next distribute the 2 throug the 11 and the y
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reduce this fraction to make this easier.
y=-7/3
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so x = 26/3 and y = -7/3
you can also check to see if this is correct by substituting each of these values into the equations.
6 0
3 years ago
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