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Papessa [141]
3 years ago
5

What is the surface area of the cylinder in terms of pi Radius 8in Height 20in

Mathematics
1 answer:
Aliun [14]3 years ago
7 0
The surface area would be 4021.24 since

SA = 2πr²h
SA= π(8²)(20)
= 4021.23859659 round up to 4021.24
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Will make BRAINLIEST
____ [38]

Answer:

6

Step-by-step explanation:

maximum calories in a day = 540

no. of calories from the dog food = 320 x 1 \frac{1}{2}

                                                       = 480

∴ she can have:  540 - 480

                          = 60 calories to stay inside calorie range

no. of new treats she can have = 60 ÷ 10

                                                    = 6

Hope this helps!

                       

7 0
2 years ago
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What is the radius of a circle in which a 30° arc is 2 inches long?
marysya [2.9K]
It would be 1 inch and 15 degree arc due to the act that the radius is half.
5 0
3 years ago
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javier rode his bike for a total of 41 minutes. before lunch he rode 1 minute less than 5 times the number of minutes he rode af
notka56 [123]

Answer:

Javier rode bike 34 minutes before lunch.


Step-by-step explanation:


Let the number of minutes Javier rode the bike after lunch be = x minutes


Then according to question number of minutes he rode the bike after lunch

= 5x-1


Total number of minutes he rode bike = 41 min

Therefore,

x+5x-1 =41


On solving


6x= 41+1 =42


Divide both side by 6 we get

x= 7


Number of minutes he ride before lunch

= 5(7)-1 = 35-1=34 min


8 0
3 years ago
Solve the triangle that has a=4.6, B=19°, A=92° (picture provided)
kolezko [41]

Answer:

Option b

Step-by-step explanation:

To solve this problem use the law of the sines.

We have 2 angles of the triangle and one of the sides.

a = 4.6\\B = 19\°\\A = 92\°\\C = 180 -A - B\\C = 180 - 92 - 19\\C = 69\°

The law of the sines is:

\frac{sin(A)}{a} = \frac{sin(B)}{b} = \frac{sin(C)}{c}

Then:

\frac{sin(92)}{4.6} = \frac{sin(19)}{b}\\\\b = \frac{sin(19)}{\frac{sin(92)}{4.6}}\\\\b = 1.5

\frac{sin(B)}{b} = \frac{sin(C)}{c}\\\\\frac{sin(19)}{1.5} = \frac{sin(69)}{c}\\\\c = \frac{sin(69)}{\frac{sin(19)}{1.5}}\\\\c = 4.30

8 0
2 years ago
Alice bought of a pound of grapes and ate of a pound. How many pounds were left?
vivado [14]
None. She ate the pound she bought.
7 0
3 years ago
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