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ziro4ka [17]
2 years ago
8

I need help with my math! It is Rules of exponents. Can anyone help me?

Mathematics
1 answer:
Rasek [7]2 years ago
3 0
Take a better picture for me
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Translate the following algebraic inequality into a verbal inequality.<br> 2x +6 &gt; 20
Vera_Pavlovna [14]
X >7. I hope this helps, happy learning.
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2 years ago
−9x+4y=6 9x+5y=−33 ​
blsea [12.9K]

Answer:

{x,y} = {-2,-3}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    -9x + 4y = 6

  [2]    9x + 5y = -33

Graphic Representation of the Equations :

   4y - 9x = 6        5y + 9x = -33  

Solve by Substitution :

// Solve equation [2] for the variable  y  

 

 [2]    5y = -9x - 33

 [2]    y = -9x/5 - 33/5

// Plug this in for variable  y  in equation [1]

  [1]    -9x + 4•(-9x/5-33/5) = 6

  [1]    -81x/5 = 162/5

  [1]    -81x = 162

// Solve equation [1] for the variable  x  

  [1]    81x = - 162  

  [1]    x = - 2  

// By now we know this much :

   x = -2

   y = -9x/5-33/5

// Use the  x  value to solve for  y  

   y = -(9/5)(-2)-33/5 = -3

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2 years ago
How many solutions does the following equation have? (5 points)<br> 4x+ 12 = 0
zhenek [66]
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The wheels on Noah's bike have a circumference of about 5 feet.
ANTONII [103]

Answer:

75 feet

Step-by-step explanation:

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Right triangle ABC is shown. What equation can be used to solve for c?
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Check the picture below.

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