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BigorU [14]
3 years ago
15

Need help...

Mathematics
2 answers:
Delvig [45]3 years ago
5 0
2 / (1/4) =
2 * 4 =
8 total students
11111nata11111 [884]3 years ago
4 0
Carol gave a piece of paper to 8 students.

8 times 1/4 = 2 sheets of paper that Carol originally had.


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B) (1 - cos B)(1 + cos B) =<br> 1/cosec^2(B)
faltersainse [42]

Answer:

Proved

Step-by-step explanation:

(1-cosB)(1+cosB)=\frac{1}{cosec^2B} \\\\Use\\\\ (a+b)(a-b)=a^2-b^2 ,\\so,\\=(1)^2-(cosB)^2\\=1-cos^2B\\\\Now\ ,  we\ know\ \\sin^2B+cos^2B=1\\\\so,\\sin^2B=1-cos^2B\\so we just replace,\\\\=1-cos^2B=>sin^2B\\and\ since\ sinB=\frac{1}{cosecB} \\\\=sin^2B=>\frac{1}{cosec^2B}\\

4 0
4 years ago
Find the value of the trigonometric ratio, sin C.
iogann1982 [59]

Answer:

The answer is option C

Step-by-step explanation:

sin C = opposite / hypotenuse

the opposite is 40

the Hypotenuse is 50

so

sin C = 40/50 = 4/5

Hope this helps you

3 0
3 years ago
Mr. Brown has a board that is 7/8 foot long. He cuts the board into pieces that are 1/16 foot long. Which expression could be us
nika2105 [10]

Answer:

14

Step-by-step explanation:

8 is half of 16 so times the values by two and you got your answer.

5 0
3 years ago
Trent had 19 stickers. He bought 29 stickers from a store in the mall and got 18 stickers for his birthday. Then Trent gave 8 of
zlopas [31]

Answer:

45 stickers left

Step-by-step explanation:

8 0
3 years ago
Help please! I am struggling help would be greatly needed
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the first one with the two lines coming off of 2008 because each y can only have one ex

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