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uysha [10]
2 years ago
14

Helppppppppppppp meeeeeeeeeee

Mathematics
2 answers:
Bad White [126]2 years ago
6 0

Answer:

x + 90 = 120 degrees.

Step-by-step explanation:

4x = x + 90   (opposite angles are equal)

3x = 90

x = 30

So the 2 angles are

4 * 30 = 120.

topjm [15]2 years ago
5 0

Answer:

x + 90 = 120

Step-by-step explanation:

the marked angles are vertically opposite angles and are congruent , then

4x = x + 90 ( subtract x from both sides )

3x = 90 ( divide both sides by 3 )

x = 30

then

x + 90 = 30 + 90 = 120

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  1. C) Factored form
  2. C) Standard form
  3. D) The y intercept is -8
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Explanations:

  • For problems 1 and 2, there's not much to say other than you'll just have to memorize those terms. Standard form is ax^2+bx+c in general. The exponents count down 2,1,0. Factored form is where we have two or more factors multiplying with each other. Think of something like 21 = 7*3 showing that 7 and 3 are factors of 21.
  • For problem 3, the y intercept is the last value. It's the constant value. Plug in x = 0 and you'll get y = -8 as a result. The y intercept always occurs when x = 0.
  • In problem 4, we apply the square root to both sides to get x = -5 or x = 5. The plus or minus is needed. This is because (-5)^2 = 25.
  • In problem 5, we apply the square root to both sides to undo the squaring operation.
4 0
3 years ago
A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained an average score of 80 while the 15 sen
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Answer:

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Step-by-step explanation:

Firstly, we need to calculate the total score of the junior students and the total score of the senior students.

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The total score is thus 2,800 + 1,050 = 3,850

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Answer:

3rd option

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Since 8 minutes is included, do the closed circle. He put it in there for 8 minutes, than put it in there for longer which makes the graph go to the right with including the closed circle. Hope this helped!

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2 years ago
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