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olasank [31]
2 years ago
6

HELPPP MEEEE hurrryyyy

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
8 0

Answer: 1. B 10(15  12 + 8) = 350

2. C

Step-by-step explanation:

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zysi [14]

Answer:

First one I think. I hope this helps.

Step-by-step explanation:

Just convert the fractions into decimals. You can use a calculator.

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Simplify Sinx + cosx/ cos²x - sin²x​
bonufazy [111]

\dfrac{\sin x + \cos x}{\cos^2 x - \sin^2 x}\\ \\\\=\dfrac{\sin x + \cos x}{(\cos x + \sin x )\\\\(\cos x - \sin  x)}\\\\\\=\dfrac{1}{\cos x - \sin x}

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2 years ago
Find the unknown angle A<br>​
uranmaximum [27]
40! When you add all four angles of a quadrilateral together, you will always end up with 360. So, 360-75-120-125=40 :) have a great day!
4 0
3 years ago
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Which of the following is a true statement
77julia77 [94]

Answer:

11/15 < 4/5

Step-by-step explanation:

1.  5/6 = 10/12, so the first answer is not correct

2. 1/4 = 4/16, so the second answer is not correct

3. 3/4 = 9/12 and 4/6 = 8/12, so the third answer is not correct

4. 4/5 = 12/15 > 11/15, so this answer is correct

7 0
1 year ago
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Tres compañías de navegación pasan por cierto puerto. La primera cada 8 días; la
lilavasa [31]

I think this is a least common multiple question

So they would all arrive on day 504, (which probably is a few years)

8 = 2 × 2 × 2

18 = 2 × 3 × 3

21 = 3 × 7

I might be right I might be wrong, IM not positively sure but yknow

4 0
3 years ago
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