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2 years ago

Help and ill give brainliest and thank you and 5 stars if correctly

Mathematics

2 answers:

katen-ka-za [31]2 years ago

4 0

Answer:

0.4

0.3

0.04

0.2

0.06

Step-by-step explanation:

Hope this helps :)

bixtya [17]2 years ago

4 0

Answer:

58- 0.4

42- 0.3

6- 0

24- 0.2

8- 0.1

Hope this helps plz mark brainliest :)

Step-by-step explanation:

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andrew-mc [135]

In the attachement, there is what I came up with so far. I think that finding 'a' is non-trivial, if possible at all.

$A_c$ - the area of a circle

$A_{cs}$ - the area of a circular segment

5 0

2 years ago

Please help i beg i never get these right

Anuta_ua [19.1K]

Answer:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

Step-by-step explanation:

Given

$\sin(105^o)$

Required

Solve

Using sine rule, we have:

$\sin(A + B) = \sin(A)\cos(B) + \sin(B)\cos(A)$

This gives:

$\sin(105^o) = \sin(60 + 45)$

So, we have:

$\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)$

In radical forms, we have:

$\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}$

$\sin(60 + 45) = \frac{\sqrt 6}{4} + \frac{\sqrt 2}{4}$

Take LCM

$\sin(60 + 45) = \frac{\sqrt 6 + \sqrt 2}{4}$

Rewrite as:

$\sin(60 + 45) = \frac{\sqrt 2 + \sqrt 6}{4}$

Hence:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

3 0

2 years ago

Please help me on this question

Delicious77 [7]

Answer:

√20

2√5

Step-by-step explanation:

It is very easy just substitute

It will be:

3 0

2 years ago

Help needed ASAP will give you BRAINLIEST and 5 stars rate

Gwar [14]

Answer:

1 which is B

Step-by-step explanation:

Basically you just miltiply 2 * 0.5 which gives u 1. Hope this helps.

4 0

3 years ago

Pls help need it ASAP can’t figure it out

Pie

Answer:

-25

Step-by-step explanation:

10^2 ÷ -2^2 = -25

That's why the answer is -25.

4 0

2 years ago