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Keith_Richards [23]
3 years ago
5

Are 4,563 and -1/4 rational or irrational?

Mathematics
1 answer:
Wewaii [24]3 years ago
5 0
Rational they can be written as a ratio
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Write the expression as either the sine, cosine, or tangent of a single angle.
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What algebraic expression represents the phase “two times the quantity of a number minus 12”
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Step-by-step explanation:

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3 years ago
16x+14y=8 <br> -63x-14y=133
artcher [175]

Answer:

(-3, 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

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination
  • Solving systems of equations by graphing

Step-by-step explanation:

<u>Step 1: Define Systems</u>

16x + 14y = 8

-63x - 14y = 133

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

<em>Elimination</em>

  1. Combine 2 equations:                    -47x = 141
  2. Divide -47 on both sides:               x = -3

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define original equation:                    16x + 14y = 8
  2. Substitute in <em>x</em>:                                     16(-3) + 14y = 8
  3. Evaluate multiplication:                       -48 + 14y = 8
  4. Add 48 on both sides:                        14y = 56
  5. Divide 14 on both sides:                      y = 4

<u>Step 4: Graph Systems</u>

<em>Check the solution set.</em>

4 0
2 years ago
What's 48 hours ahead from last night at ten? Exact hour pls?
Katena32 [7]
Tomorrow night at ten because 48 hours is two days. So two days from last night at ten.

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3 years ago
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