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lapo4ka [179]
3 years ago
7

Please help me :/

Mathematics
1 answer:
inessss [21]3 years ago
7 0

Answer:

The answer to your question is:

Step-by-step explanation:

  m ∠ 1  = 27°

 m ∠ 1 and m ∠ 2 are supplementary

m ∠ 1 + m ∠ 2 = 180°

27° + m ∠2 = 180°

m ∠ 2 = 180° - 27°

m = 2 = 153°

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Solve the inequality and write the solution set using both set-builder notation and interval notation. -3a-15≤-2a+6
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Answer:

Set builder notation: {a | a ≥ -21}

Interval notation: [-21, ∞)

Step-by-step explanation:

A set represents a collection of things, objects, or numbers. A set builder notation is in the form y = {x | x is an odd number between 8 and 10}, which means y contains all the odd numbers between 8 and 10.

Interval notation is a way to define a set of numbers between a lower limit and an upper limit using end-point values. for example (8, 20) means numbers between 8 and 20.

Given -3a-15≤-2a+6; solving :

-3a - 15 ≤ -2a + 6

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dividing through by -1:

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The solution is:

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hjlf

Answer:

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Let em know if you don't get how I answered either.  

Step-by-step explanation:

So, to go all the way around is 360 degrees since there are 360 degrees.  that means it turns 5 times for the beginning cd to be at the start again.  So in 5 equal turns it goes 360 degrees.  We want to know how much 360 is divided into 5 groups, or 360/5 = 72.

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