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4 years ago

Determine the 12th term of the sequence 5,15,45

Mathematics

1 answer:

Drupady [299]4 years ago

3 0

An=a1*r^n-1
n = 12
Ratio=3
A1=5
Answer =885735

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Step-by-step explanation:

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3 years ago

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3 years ago

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3 years ago

Solve by using elimination. Express your answer as an ordered pair.

IrinaK [193]

Answer:

(-2, 0)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

-x - 2y = 2

4x - 2y = -8

Step 2: Rewrite Systems

-x - 2y = 2

Multiply both sides by -1: x + 2y = -2

Step 3: Redefine Systems

x + 2y = -2

4x - 2y = -8

Step 4: Solve for x

Elimination

Combine equations: 5x = -10
Divide 5 on both sides: x = -2

Step 5: Solve for y

Define equation: 4x - 2y = -8
Substitute in x: 4(-2) - 2y = -8
Multiply: -8 - 2y = -8
Isolate y term: -2y = 0
Isolate y: y = 0

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