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olga2289 [7]
3 years ago
12

I NEED HELP PLEASE PLEASE

Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0
Answer:With what there’s nothing to help you with when I can’t see a picture or something
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USLUIT il<br> Find x.<br> 45°<br> 30°
IceJOKER [234]

Answer:

111°

Step-by-step explanation:

  • All these are parallel lines, so the 36° angle is equal to the 36° angle inside the big triangle because they are vertically opposite.

  • Ignore the line cutting between 45° and the 30° and consider it as one triangle
  • Add them to get 75°
  • Now you have two known angles 75° and 36°
  • To get angle <em>x</em><em> </em>add 75° and 36° to get 111°
  • Because x° is an exterior angle and exterior angles equal to the sum of interior angles opposite it inside the triangle.
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3 years ago
Which two expressions each represent 3/12
tester [92]

Answer:

1/4 or 25% Your Welcome!

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3 years ago
Rafael writes an expression to represent “a number, n, decreased by thirty-one.” Then he evaluates that expression if n = 29. Wh
sukhopar [10]

Answer:

Step-by-step explanation:12

4 0
2 years ago
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What's 1 + 1 = ?<br><br> i forgot-
Scilla [17]

Answer:

2

Step-by-step explanation:

1+1=2

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2 years ago
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Find the perimeter of a regular pentagon with sides of (3x + 5).
kotegsom [21]

Answer:

  5(3x + 5)   or   15x + 25

Step-by-step explanation:

A regular pentagon has 5 sides of equal length. The perimeter is the sum of the lengths of those sides. We can use multiplication to find the sum of 5 of the same value:

  P = 5(3x +5)

Perhaps you want it expanded. Using the distributive property, we multiply each term in parentheses by 5:

  P = 15x + 25

4 0
3 years ago
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