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Lorico [155]
3 years ago
5

Cscθ - sinθ = _____

Mathematics
1 answer:
galina1969 [7]3 years ago
4 0
So you maybe know that \csc x = \frac{1}{\sin x}. Now let us try to simplify the expression

\csc x - \sin x = \frac{1}{\sin x} - \sin x = \frac{1}{\sin x} - \frac{\sin^2 x }{\sin x}=\frac{1-\sin^2 x}{\sin x} =

= \frac{\cos^2 x}{\sin x} = \cot x \cdot \cos x
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which of the following regular polygons can make a tessellation: a)septagon b)octagon c)square d)hexagon
adell [148]

Answer:

septagon

Step-by-step explanation:

septagon is the only regular polygon that can make a tessellation

hope it helps .

3 0
3 years ago
Help please! asap!
aliya0001 [1]

Answer: 50% or 1/2

Step-by-step explanation:

number of possible combos:

1+1, 1+2, 1+3, 1+4, 1+5, 1+6

2+1, 2+2, 2+3, 2+4, 2+5, 2+6

3+1, 3+2, 3+3, 3+4, 3+5, 3+6

4+1, 4+2, 4+3, 4+4, 4+5, 4+6

5+1, 5+2, 5+3, 5+4, 5+5, 5+6

6+1, 6+2, 6+3, 6+4, 6+5, 6+6

number of even sums within combos:

1+1, 1+3, 1+5

2+2, 2+4, 2+6

3+1, 3+3, 3+5

4+2, 4+4, 4+6

5+1, 5+3, 5+5

6+2, 6+4, 6+6

<u>TOTAL combos:</u>

36

<u>TOTAL even sums:</u>

18

so that means 18/36 or 1/2 of the possible combinations has a sum of an even number.

sorry it’s not a table but I literally worked it out while answering so that’s all my work

8 0
2 years ago
Solve 3(x-3) = 0???????
kenny6666 [7]
Using distributive property, we get:

3x-9=0
3x=9
x=3

So, x=3. Now that was easy, huh? :)
5 0
3 years ago
Read 2 more answers
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Ipatiy [6.2K]
5 more than a square number would be 21 which is 5 more than 16 (the square of 4)
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3 years ago
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2 1/4 divided by 3 1/2
Elena-2011 [213]

Answer:

9/4 ÷ 7/2

9/4 × 2/7

9/14

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4 0
3 years ago
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