2 years ago

Help with 19 please!!! Trigonometry

Mathematics

1 answer:

damaskus [11]2 years ago

6 0

Check the picture below.

make sure your calculator is in Degree mode.

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Answer:

Step-by-step explanation:

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Solve the equation by Completing the Square<br> x2 – 10x + 13 = 0

user100 [1]

Answer:

$x=5+\sqrt{12}$

$x=5-\sqrt{12}$

Step-by-step explanation:

$x^2-10x+13=0$

$x^2-10x=-13$

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$x^2-10x+25=-13+25\\x^2-10x+25=12$

Factor.

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Extract the square root.

$x-5=\frac{+}{} \sqrt{12}$

Add 5

$x=5+\sqrt{12}$

$x=5-\sqrt{12}$

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3 years ago

Read 2 more answers