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V125BC [204]
3 years ago
5

What is the exact value of sin(-345°) in fraction form?

Mathematics
1 answer:
Damm [24]3 years ago
5 0
You draw the reference angle of 45° but clockwise. The exact value of sin(-345°) is 1/√2.
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Step-by-step explanation:

Second side is needed to prove congruence by SAS

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Find the 7th term of the geometric sequence –4, 12, –36, 108, –324,...
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3 years ago
4/7 (21/8x + 1/2) = -2 (1/7 - 5/28) write your solution in decimal form.
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3 years ago
Can someone help me I tried many ways but got a different answer
Likurg_2 [28]

Answer:

v = 21

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

Equality Properties

<u>Algebra I</u>

  • Terms/Coefficients/Degrees

<u>Geometry</u>

  • All angles in a triangle add up to 180°

Step-by-step explanation:

<u>Step 1: Set Up Equation</u>

2v + 3v + 75 = 180

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

  1. Combine like terms:                    5v + 75 = 180
  2. Isolate <em>v</em> term:                              5v = 105
  3. Isolate <em>v</em>:                                       v = 21
6 0
3 years ago
Read 2 more answers
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