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ryzh [129]
3 years ago
5

Nick says 2 1/4 equals 4 ÷ 9. Is he correct? Explain.

Mathematics
1 answer:
mars1129 [50]3 years ago
4 0
No because 4 divided by 9 is 0.444 and as a decimal 2 1/4 is 2.25
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Solve the rational equation (3x^2+1)/(x-1) + x =4 + 4/(x-1)
natita [175]

Answer:

The answer to your question is letter D

Step-by-step explanation:

Rational equation

                               \frac{3x^{2} + 1}{x - 1} + x = 4 + \frac{4}{x - 1}

Simplify

                             \frac{3x^{2} + 1 + x(x - 1)}{x - 1} = \frac{4(x - 1) + 4}{x - 1}

Cancel the denominators and expand

                            3x² + 1 + x² - x = 4x - 4 + 4

Simplify                                              

                            4x² - x + 1 - 4x = 0

                            4x² - 5x + 1 = 0

Factor

                            4x² - 4x - 1x + 1 = 0

                            4x(x - 1) - 1(x - 1) = 0

                             (4x - 1)(x - 1) = 0

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3 years ago
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Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Will give brainliest answer
Dmitrij [34]
F(0) = -1/5
f(4) = 7/17

                                           f(4) - f(0)
average rate of change = -------------- 
                                             4 - 0

                                           (7/17)  - (-1/5)
average rate of change = --------------------- 
                                                    4 

                                          52/85
average rate of change = --------- 
                                            4 

                                           
average rate of change = 52/85 *4

average rate of change = 208/85
                                                    
3 0
3 years ago
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