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postnew [5]
2 years ago
13

HELP!! what is the value of w? A.40 B.52.5 C.75 D.100

Mathematics
2 answers:
Inga [223]2 years ago
6 0
The angles w and 80 are inscribed angles in the top left and bottom right corners respectively. They are opposite angles in this inscribed quadrilateral. Because they are opposite angles in the inscribed quadrilateral, they add to 180 degrees.

w+80 = 180
w+80-80 = 180-80
w = 100

Answer: Choice D
zloy xaker [14]2 years ago
4 0
Remark
In a cyclic quadrilateral ( a four sided figure that can be drawn in a circle), the opposite sides add up to 180 degrees.

Consequence.
x + 105 = 180
w + 80 = 180

Solution
w + 80 = 180   Subtract 80 from both sides.
w = 180 - 80
w =  100 degrees Answer
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The correct anwerr is d
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3 years ago
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4 0
3 years ago
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3x+5(2+x)=4x-7 help me out here?
Oksi-84 [34.3K]

Answer:

x = -17/4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
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Distributive Property

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  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

3x + 5(2 + x) = 4x - 7

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Distributive Property] Distribute 5:                                                                 3x + 10 + 5x = 4x - 7
  2. [Addition] Combine like terms:                                                                        8x + 10 = 4x - 7
  3. [Subtraction Property of Equality] Subtract 4x on both sides:                      4x + 10 = -7
  4. [Subtraction Property of Equality] Subtract 10 on both sides:                       4x = -17
  5. [Division Property of Equality] Divide 4 on both sides:                                  x = -17/4
6 0
3 years ago
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kicyunya [14]

If you want to the know the total price of the jeans, with discount coupon and sales tax then it's $15.76

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$22.50 - $10 = $12.50

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7 0
3 years ago
What is the surface area of this shape(step by step if possible)
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Answer:

Step-by-step explanation:

((8 x 10) x 3) + ((9 x 8)/2) x2 = (80 x 3) + (72/2) x 2
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