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marshall27 [118]
3 years ago
14

How would I simplify (3 sqrt -5 + 2)(4 sqrt -12 – 1)

Mathematics
2 answers:
puteri [66]3 years ago
8 0

Answer:

-12\sqrt{39}

Step-by-step explanation:

I am assuming that the +2 and -1 is inside the square roots.

murzikaleks [220]3 years ago
5 0

Answer:

18

Step-by-step explanation:

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A birthday celebration meal is $ 47.40 including tax, but not the tip. Find the total cost if a 15% tip is added to the cost of
Afina-wow [57]

Answer:

$54.51

Step-by-step explanation:

an easier way to do this is simply by multiplying 47.40x115%, which is 54.51.

another way to do this is by multiplying 47.40x15%, which is 7.11, then you'll have to added to 47.4, which gives you the same answer of 54.51

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3 years ago
5x+7y=10 into slope form
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3 years ago
Which of the following is the same as 8.4 x 10 2<br>A.840 B. .84 C.84 D.8,400
kaheart [24]
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5 0
3 years ago
Prove the following identity true. Show work.
yulyashka [42]

Answer:

The  Pythagorean identity states that

\sin^2 t + \cos^2 t = 1

Using that we can rewrite the left denominator as:

1 - \sin^2 t

Which can be factored as

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The numerator we can expand as:

(1 - \sin t)(1 - \sin t)

On the right hand side, let's multply numerator and denominator with (1 - sin t):

The total formula then becomes:

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There you go... left and right are equal.

3 0
3 years ago
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