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Helen [10]
3 years ago
6

Solve for x. 2/5 x = 6/5

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0

Answer: 15/5 or 3

Step-by-step explanation:

2/5x =6/5

1/5x = 3/5

5/5x = 15/5 or 3

xxTIMURxx [149]3 years ago
6 0
The answer is

x = 3
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Factor 16x^2 + 49. Check your work.
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Answer:

16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})

Step-by-step explanation:

Given : Expression 16x^2+49

To find : Factor the expression ?

Solution :

The given expression is a quadratic function y=ax^2+bx+c the solution is x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

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a=16, b=0, c=49

Substitute in the formula,

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Therefore, 16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})    

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