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skad [1K]
3 years ago
9

On the first math exam, 16 students received an A grade. On the second math exam

Mathematics
1 answer:
Nady [450]3 years ago
6 0

Answer:

0 percent because all the students got an A grade.

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Find the slope of the line that passes through (-3,9) and (-8, 9).
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Answer:

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Solve the system of equations. <br><br> y=x+5 <br><br> y=-x+7
spin [16.1K]

Answer:

(1,6)

x = 1, y = 6

See attachment for the graph

Step-by-step explanation:

y=x+5  

y=-x+7

Using the elimination process

     y=x+5  

-     y=-x+7

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

     0=2x-2

     2=2x

      1=x

      x=1

Substitute x = 1

y = x + 5

y = 1 + 5

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4 years ago
SSolve for x.<br><br> 9(x + 1) = 25 + x<br><br> x = 2<br> x = 3<br> x = 4<br> x = 5
Zepler [3.9K]
Given,

9(x+1) = 25 + x

expanding,

9x + 1 = 25 + x

bringing x to left hand side and taking 1 to right hand side with change in their respective signs,

9x - x = 25-1

=> 8x = 24

transposing 8 ,

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Hence x = 3
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Answer:

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Step-by-step explanation:

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