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elena-14-01-66 [18.8K]
3 years ago
8

Please help me!!!!!! What is the measure of angle Z?​

Mathematics
1 answer:
rodikova [14]3 years ago
7 0

Answer:

z = 56 degrees

Step-by-step explanation:

y = 124 because y is adjacent to 124 degrees

y + z = 180

180 - 124 = 56

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Answer:

0.5833333.......

Step-by-step explanation:

All you have to do is divide 7 by 12. The fraction 7/12 is equal to 7 ÷ 12.

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2 years ago
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3. A restaurant bill of $350 was paid using $5 notes and $50 notes. The total number of
Sonbull [250]

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Step-by-step explanation:

Let x be the number of $5 notes

and

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From\ Eqn\ 1\\x+y=16\\y=16-x\\Putting\ y=16-x\ in\ equation\ 2\\5x+50(16-x)=350\\5x+800-50x=350\\-45x+800=350\\Subtracting\ 800\ from\ both\ sides\\-45x+800-800=350-800\\-45x=-450\\Dividing\ both\ sides\ by\ -45\\\frac{-45x}{-45}=\frac{-450}{45}\\x=10

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So,

The number of $5 notes is 10 and $50 notes is 6

Keywords: Linear Equations, Variables

Learn more about linear equations at:

  • brainly.com/question/2385771
  • brainly.com/question/2386054

#LearnwithBrainly

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AlekseyPX
Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*49=2(x+7)²-103
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