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Gnoma [55]
3 years ago
15

Solveee 3x^2 - 9 = 0

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer:

x = ± \sqrt{3}

Step-by-step explanation:

Given

3x² - 9 = 0 ( add 9 to both sides )

3x² = 9 ( divide both sides by 3 )

x² = 3 ( take the square root of both sides )

x = ± \sqrt{3}

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A school has 500 students. 340 are boys
bogdanovich [222]

Answer:

p = 8/25

Step-by-step explanation:

500 - 340 = 160 girls

p = 160/500

p = 8/25

5 0
3 years ago
A line passes through the points (4, 3) and (- 2, 1) . The slope of this line in simplest form is
lawyer [7]

Answer:

m=\frac{1}{3}

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (4, 3)

Point (-2, 1)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                     m=\frac{1-3}{-2-4}
  2. Subtract:                        m=\frac{-2}{-6}
  3. Simplify:                         m=\frac{1}{3}
3 0
3 years ago
Read 2 more answers
Order the following numbers from least to greatest. 180, 8, 9, 8.5, 762*
n200080 [17]

Answer:

8,8.5,9,180,762

Step-by-step explanation:

6 0
3 years ago
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Divide (18x^3 + 12x – 3x) ÷ 6x^2.
Scilla [17]
18x^3 +9x / 6x^2 = 3x
18x^3 
--------
   0    9x 

so than (18x^3 +9x) divided by 6x^2 will be equal 3x and the remainder is 9x
3 0
4 years ago
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the answer is c 20 minutes played and 9 levels passed because that point is acctually shown on the line

3 0
4 years ago
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