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Gekata [30.6K]
3 years ago
8

In the diagram shown at left, three lines intersect to form a triangle. What is the value of x?

Mathematics
1 answer:
Phoenix [80]3 years ago
5 0

Answer:

39°

Step-by-step explanation:

For a straight line, the sum of angle is 180°

At the point where we have the 107°, the inner angle in the triangle will be 180-107=73°

68° is alternate angle to the inner angle in the triangle

Since the sum of angles in a triangle are 180°, then angle x will be

X=180-73-68=39°

Therefore, missing angle is 39°

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Find the ratio 12:18
Colt1911 [192]

Answer:

2/3

Step-by-step explanation:

Ratio means division, so it's 12/18 / 6/6 =  2/3

3 0
3 years ago
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I need help REALLY FAST what is the distance between the points (-1, -3 3/4) and (-1, 4 1/2) ?
kodGreya [7K]

Answer:

8 1/4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)

<u>Algebra II</u>

  • Distance Formula: \displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (-1, -3.75)

Point (-1, 4.5)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>

  1. Substitute in points [Distance Formula]:                                                         \displaystyle d = \sqrt{(-1--1)^2+(4.5--3.75)^2}
  2. [√Radical] (Parenthesis) Subtract:                                                                   \displaystyle d = \sqrt{(0)^2+(8.25)^2}
  3. [√Radical] Evaluate exponents:                                                                       \displaystyle d = \sqrt{0+68.0625}
  4. [√Radical] Add:                                                                                                 \displaystyle d = \sqrt{68.0625}
  5. [√Radical] Evaluate:                                                                                          \displaystyle d = 8.25
4 0
3 years ago
My question is in the screenshot.
Setler79 [48]

Answer: 26 4/5

33.5÷1.25=26.8

67/2 × 4/5

67×4=268

2×5=10

268/10=26 4/5

I hope this helps:

5 0
3 years ago
Which statement best describes how to determine whether f(x)=9-4x^2 is an odd function
romanna [79]

Answer:

C

Step-by-step explanation:

For f(x) to be odd then f(- x) = - f(x)

determine whether

9 - 4(- x)² is equivalent to - (9 - 4x²) → C


5 0
4 years ago
4. Determine whether each sample is biased or unbiased. Include your reason why for full credit!
AnnyKZ [126]

Answer:

4) Unbiased; 5) Biased

Step-by-step explanation:

4) states that the audience of the poll was "random" people meaning it's a good foundation of data as they weren't chosen for the employee noticing their specific affiliation with being overjoyed with the product (as the question doesn't say) or for not liking (have complaints about it) the product.

5) The audience of the poll is fans of a sports team--definitely biased because they'll say they love the 49ers being a fan for them. Leads to skewed results not representing a portion of a population accurately.

8 0
3 years ago
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