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mixas84 [53]
3 years ago
6

Plz help me I don’t understand why it’s wrong.

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
7 0

5x - 2

Five times a number (5x) decreased (-) by two (2)

2x + 5

Twice a number (2x) increased (+) by seven (7)

7x + 2

Two more (+2) than the product of a number and 7 (7x)

2x - 5

The difference (-) of two times of number (2x) and five (5)

2x + 7

Twice a number (2x) increased by seven (+7)

balu736 [363]3 years ago
3 0

5x - 2: five times a number decreased by 2

2x + 5: five more than two times a number

7x + 2: two more than the product of a number and 7

2x - 5: the difference of two times a number and 5

2x + 7: twice a number increased by 7

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5 0
3 years ago
Read 2 more answers
Given f(x) = -x – 4, find f(4).<br> I need help
Brums [2.3K]

Answer:

f(4) = -8

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) = -x - 4

f(4) is x = 4

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                  f(4) = -4 - 4
  2. Subtract:                            f(4) = -8
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Please help me with this math question
qwelly [4]
9cm

Imagine there are 2 triangles solve for one 3*3=9\2=4.5

Then add
4.5+4.5=9
7 0
3 years ago
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