3 years ago

PLEASE HELP! 4x + 2y = 6 -2x + 2y = 18 There combined answer please! SHOW YA WORK

Mathematics

1 answer:

Minchanka [31]3 years ago

5 0

Your answer, in your set notation, is
{-2, 7}

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Leno4ka [110]

Answer:

$385

Step-by-step explanation:

7x$40=280

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280+105=385

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3 years ago

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Lorico [155]

(3+11i)/(3+11i)=1

So that means you can multiply 6/(3+11i) by (3+11i)/(3+11i)

Then 6(3+11i)/1

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2 years ago

(2n3 - 3n4 + 7n) - (n3 - 8n4 - 7n)

deff fn [24]

Answer:

Step-by-step explanation:

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{Here -1 is distributed }

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{Combine like terms}

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2 years ago

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Find f(3) for f(x)=−5x−2 A. -10 B. -15 C. 13 D. -17

Travka [436]

Answer:

f(3) = -17

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -5x - 2

f(3) is x = 3

Step 2: Evaluate

Substitute in x: f(3) = -5(3) - 2
Multiply: f(3) = -15 - 2
Subtract: f(3) = -17

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3 years ago

Number 5: (look at picture) 10 points

iVinArrow [24]

Answer: C

Step-by-step explanation:

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3 years ago