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iren [92.7K]
3 years ago
10

Extremely Easy Math!!! 50 Points!!! BRAINLIEST!!!

Mathematics
1 answer:
N76 [4]3 years ago
4 0

Answer:

x = 40

Step-by-step explanation:

If you add the total of 3 angles in a STRAIGHT line, you have to get 180 in total.

So,        x =  180 - ( 80 + 60 )

               =  180 - 140

               =  40

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Answer:

B. No. He should have put the x values in the

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Step-by-step explanation:

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50 divided by 12.5 is 4
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What is the prime factorization of 58
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2a + 4b + c =5 <br> x =-2 <br><br> a - 4b = -6<br> y=1
cricket20 [7]
There is no solution ,<span>a+c=-10;b-c=15;a-2b+c=-5 </span>No solution System of Linear Equations entered : [1] 2a+c=-10 [2] b-c=15 [3] a-2b+c=-5 Equations Simplified or Rearranged :<span><span>  [1] 2a + c = -10 </span><span>  [2] - c + b = 15 </span><span>  [3] a + c - 2b = -5 </span></span>Solve by Substitution :

// Solve equation [3] for the variable  c  
 

<span> [3] c = -a + 2b - 5 </span>

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

<span><span>  [1] 2a + (-a +2?-5) = -10 </span><span>  [1] a = -5 </span></span>

// Plug this in for variable  c  in equation [2]

<span><span>  [2] - (-? +2b-5) + b = 15 </span><span>  [2] - b = 10 </span></span>

// Solve equation [2] for the variable  ?  
 

<span> [2] ? = b + 10 </span>

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

<span><span>  [1] (? +10) = -5 </span><span>  [1] 0 = -15 => NO solution </span></span><span>No solution</span>
3 0
3 years ago
79% of what number is 181
madreJ [45]
Answer: 1140.3


Step by step explanation:
181 x 7 = 1267
1267x0.9=1140.3
4 0
3 years ago
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