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Klio2033 [76]
2 years ago
15

solve the equation x +4x-7=0 by completing the square. give your answers correct to two decimal places

Mathematics
1 answer:
olga2289 [7]2 years ago
6 0

Answer:

X= 1.4 OR 7/5 OR 1 2/5

Step-by-step explanation:

x+4x-7=0 (First, Combine Like Terms)

5x-7=0 (Then, Add 7 to both sides)

+7 +7

5x=7 (Now, divide both sides by 5)

/5 /5

You get X= 1.4 OR 7/5 OR 1 2/5

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3 0
2 years ago
What is the value of f?
laiz [17]

Answer:

f(1/2) = -2

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>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 8x - 6

f(1/2) is x = 1/2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(1/2) = 8(1/2) - 6
  2. Multiply:                               f(1/2) = 4 - 6
  3. Subtract:                              f(1/2) = -2
5 0
3 years ago
The number of pastries produced by a bakery can be represented by
antiseptic1488 [7]

Answer:

where are the others

Step-by-step explanation:

is there supposed to be other numbers?

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