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lions [1.4K]
3 years ago
9

Find the surface area of the cylinder. Use pi=3.

Mathematics
2 answers:
PolarNik [594]3 years ago
7 0

Answer:

SA= 87.96

Step-by-step explanation:

SA= 2πrh+2πr2

SA= 2·π·2·5+2·π·22

SA= 87.96

kherson [118]3 years ago
7 0

Answer:

84

Step-by-step explanation:

2*3*2*5+2*3*2^2

6*10+6*4

60+24

84

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valentina_108 [34]

Answer:

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Step-by-step explanation:

8 0
3 years ago
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Larry wants to buy some carpeting for his living room the length of the room is 2 times width and the total area of the room is
cluponka [151]
Draw a diagram!  Lets say the width is x, then the length must be 2x.
   
                       Area = length x width
                          2x x  x    = 8sq meters
                         2x^2       = 8
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7 0
3 years ago
A boy starts the week with 3kg of rice, every day he cooks 0.6kg. How much rice will he have left after 4 days?
almond37 [142]

Answer:

1.8 Kg

Step-by-step explanation:

a week- 3kg rice

every day-0.6 kg rice

therefore, multiply 3 kg by 0.6kg

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have a great day !

5 0
3 years ago
Graph the function. For the function whose graph is shown below, which is the correct formula for the function? y = –x – 1 y = x
rusak2 [61]
You forgot to mention the graph.
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join both the points, you will get the graph
Graph is attached in the picture.

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put y=0 you get point (-1,0) called x-intercept
put x=0 you get point (0,1) called y-intercept
join both the points, you will get the graph
Graph is attached in the picture.

4 0
3 years ago
Pencils are sold 9 to a package, and pens are sold 6 to a package. If an equal number of pencils and pens are purchased, what is
nalin [4]

Answer:

18

Step-by-step explanation:

You need to find the least common multiple of 9 and 6 - that is 18. In this case you buy 2 packages of pencils and 3 package of pens.

5 0
3 years ago
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