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Luba_88 [7]
3 years ago
5

5 language books, 6 math books. in how many ways can one math book and one language book be paired?

Mathematics
1 answer:
gulaghasi [49]3 years ago
5 0
Subtract 6 and 5. The result will be 1, which will remove 1 book to which has more numbers. 6 Math books, you take one and they are 55 language books5 books of mathematics.If in the problem tells you that you should not remove any book ... well idk lol 
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Your turn: Use the triangle given. What is the value of sin Θ?
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3 years ago
Use completing the square to determine which of the following gives the solutions to 3x2 - 24x + 40 = 28.
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Answer:

x=4+2\sqrt{3}

x=4-2\sqrt{3}

Step-by-step explanation:

<u>Completing the square</u>

when  ax^2+bx+c=0

Given equation:

3x^2-24x+40=28

Subtract 40 from both sides:

\implies 3x^2-24x=-12

Divide both sides by 3:

\implies x^2-8x=-4

Add the square of half the coefficient of x to both sides:

(\frac{b}{2})^2=(\frac{-8}{2})^2=16

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\implies x=4\pm2\sqrt{3}

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