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Brilliant_brown [7]
3 years ago
9

Mr. Sharon can paper a room in 3hrs. His assistant needs 5hrs. If Mr. Sharon works 1hr and then his assistant completes the job

alone, how long will it take the assistant to finish the job?
Mathematics
1 answer:
stealth61 [152]3 years ago
6 0

4 hours? Sorry if it's wrong

hope I helped!!!

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%28csc%20x%2B1%29%28csc%20x-1%29%7D%7Bcsc%5E2x%7D%5C%5C" id="TexFormula1" title="\fr
tigry1 [53]

Step-by-step explanation:

\frac{( \csc x+1)( \csc  x-1)}{ \csc ^2x} =  \frac{ { \csc }^{2} x - 1}{  \csc^{2} x}  \\ = 1 -   \sin^{2} x =   \cos^{2} x \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

b. Since csc theta = 1/sin theta, we can multiply both sides by sin theta and you will end up with

\cos^{2} \theta  +  \sin^{2} \theta  = 1

which is an identity.

7 0
3 years ago
Please Help
Fofino [41]

Answer:

r

Step-by-step explanation:......

5 0
2 years ago
How do create a box plot
exis [7]
1. Gather your data
2. organize your data from least to greatest
3. find the median of the data set
4. find the first and third quartiles
5. draw a plot line
6. mark your first, second and third quartiles on the plot line you created
7. make a box by drawing a horizontal line connecting your quartiles
8. make your outliers 
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8 0
3 years ago
14. NUTRITION A cookie contains 9 grams of fat. If you eat no fewer than 4 and no more than 7 cookies, how many grams of fat wil
ra1l [238]
Nbbjk
JVC uf u uh o o
8 0
2 years ago
Any help would be great
Fofino [41]

Answer:

63

Step-by-step explanation: The ratio from planet A to B is 100 to 3. If an elephant weight 2100 is planet a, then we are multiplying 21 to hundred. Whatever you do on the left side you have to do it on the right side and if you multiply 21 and 3 on the right side then you get 63.

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3 years ago
Read 2 more answers
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