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san4es73 [151]
3 years ago
13

How many terms are in the expression 4x -4 +3y?

Mathematics
1 answer:
horrorfan [7]3 years ago
7 0

Answer:

three (3)

Step-by-step explanation:

4x is the first term

-4 is the second term

3y is the third term

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A magazine has 5,580,000 subscribers this year. This number is down 7% from last year. How many subscribers were there last year
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If Yoko walks 1 block in 3 minutes, how long does it take her to walk from the school to the library? How long does it take her
mojhsa [17]

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Step-by-step explanation:

6 0
2 years ago
Find the value of X <br><br> PLEASE
Oliga [24]

Answer:

x ≈ 18

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Trigonometry</u>

Law of Cosines: a^2 = b^2 + c^2 - 2(b)(c)cosA

  • a is a side length
  • b is a side length
  • c is a side length
  • A is an angle corresponding with side a

Step-by-step explanation:

<u>Step 1: Define</u>

a = x

A = 30°

b = 16

c = 30

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

  1. Substitute:                    x² = 16² + 30² - 2(16)(30)cos30°
  2. Exponents:                   x² = 256 + 900 -2(16)(30)cos30°
  3. Evaluate:                       x² = 256 + 900 -2(16)(30)(√3/2)
  4. Multiply:                        x² = 256 + 900 - 480√3
  5. Add:                              x² = 1156 - 480√3
  6. Subtract:                       x² = 324.616
  7. Isolate <em>x</em>:                       x = √324.616
  8. Evaluate:                       x = 18.0171
  9. Round:                          x ≈ 18
3 0
2 years ago
What is the value of X
svetoff [14.1K]

4x+7=5(x-4)\\ 4x+7=5x-20\\ 5x-4x=7+20\\ x=27

6 0
2 years ago
Read 2 more answers
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