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Dmitrij [34]
3 years ago
6

Hurry quick i have more questions answer then all for a total of about 100 points

Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

1/5

Step-by-step explanation:

.7555555(repeating )

writing as a fraction

x = .755555555

10 x = 7.555555

Subtract the two

10x = 7.555555

-x =     .75555555

--------------------------

9x  =6.8

Divide each side by 9

x = 6.8/9

x = 68/90

Divide by 2

x = 34/45

We do the same  for .555555 repeating

y = .5555 repeating

10 y = 5.5 repeating

10y  = 5.5

-y =       .555

-------------------

9y = 5

y = 5/9

Subtract x - y

34/45 - 5/9

Get a common denominator

34/45 - 25/45

9/45

1/5

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Solve with elimination.
wlad13 [49]

Answer:y=6.61,x=-6.46

Step-by-step explanation:

3x+7y=-26(×5)

         -

5x+3y=-14(×3)

=15x+35y=-130

           -

 15x+9y=-42

subtracting the 2 equations =15x-15x+35y-9y=-130-(-42)

=26y=172

y=172÷26

y=6.61

substitute y in the first equation=3x+6.61=-26

3x=-26+6.61=-19.39

x=-19.39÷3

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3 years ago
What is the equation of the line that passes through (-5, -1) and is parallel to the line y=4x-6?
mr_godi [17]
Hello : 
<span>the equation all lines passes through (-5, -1) is :
y - (-1) = m(x -(-5))   m the slope
if this line parallal </span><span>to the line y=4x-6 so : m= 4  (same slope )
</span><span>the equation of the line that passes through (-5, -1) and is parallel to the line y=4x-6:    is  : 
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8 0
3 years ago
What is the product of (-6)(-7)(-1)?<br> оооо
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Explanation:

(-6)(-7)(-1)

do (-6)(-7)

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(-6)(-7)=42

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3 years ago
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Korvikt [17]

Answer:

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Step-by-step explanation:

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A=2(8*8+8*8+8*8)

A=2(64+64+64)

A=2(192)

A=384

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pochemuha

the angles the top part that has a square is 90⁰ and x and y are equal so we will name them both x and all angles together make 180⁰

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6 0
2 years ago
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