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Troyanec [42]
3 years ago
8

Write the rule for the nth term of the sequence. Then find a11-3.5, 3, 2.5, 2, 1.5, ...

Mathematics
1 answer:
RideAnS [48]3 years ago
6 0

Answer:

a₁₁ = -3/2

Step-by-step explanation:

                       3.5; 3 ; 2.5; 2 ; 1.5..............aₙ

  • the nth term

                            aₙ = -n/2  +  4

         a₁₁ = (-0.5)(11) + 4

         a₁₁ = -3/2

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Use what you know about the angle sum theorem for triangles and your algebra skills to solve for x and find the measure of all t
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Answer:

2x° = 45°, 3x° = 67.5°

Step-by-step explanation:

Sum of angles in a triangle = 180°

2x+3x+3x=180°

8x=180°

x=22.5°

2x=22.5°x2=45°

3x=22.5°x3=67.5°

8 0
2 years ago
Ms. Halloran and Ms. Scott were attending the concert
nlexa [21]
Answer: B


I hope this helped you
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3 years ago
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How to solve X - 1v+ 4 + 7y - 3
Nostrana [21]
The first step to solving this is to remember our mathematical rules. They state that when the term has a coefficient of -1,, the number doesn't have to be written but the sign needs to remain. This will change the expression to the following:
x - v + 4 + 7y - 3
Now subtract the numbers 4 and 3 from each other.
x - v + 1 + 7y 
Since this expression cannot be simplified any further,, the correct answer to your question would be x - v + 1 + 7y.
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3 0
3 years ago
Find the slope of the line going through the points (0, -5) and (-2,1)
kvasek [131]

Answer:

\displaystyle m=-3

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>Algebra I</u>

  • Coordinates (x, y)
  • Slope Formula: \displaystyle m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (0, -5)

Point (-2, 1)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute in points [Slope Formula]:                                                          \displaystyle m=\frac{-5-1}{0--2}
  2. [Fraction - Denominator] Simplify:                                                                \displaystyle m=\frac{-5-1}{0+2}
  3. [Fraction - Numerator] Subtract:                                                                     \displaystyle m=\frac{-6}{0+2}
  4. [Fraction - Denominator] Add:                                                                      \displaystyle m=\frac{-6}{2}
  5. [Fraction] Divide:                                                                                             \displaystyle m=-3
8 0
3 years ago
4/9 as decimal show your work
Fed [463]
    4/9 

= 0.44444444

= Rounded to 0.44

The correct answer is 0.44
4 0
3 years ago
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