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Liula [17]
3 years ago
6

What is the answer???

Mathematics
1 answer:
Fudgin [204]3 years ago
4 0

Answer:

37.9 im pretty sure

Step-by-step explanation:

you just add all the sides..

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Simplify the expression \[\frac{6}{\sqrt{36} + \sqrt{27}} + \frac{6}{\sqrt{27} + \sqrt{18}} + \frac{6}{\sqrt{18} + \sqrt{9}}.\]
Viktor [21]

Answer:

= 18 ( 3 + 2(\sqrt{3}  + \sqrt{2} ))

Step-by-step explanation:

6(\sqrt{36} +\sqrt{27}) + 6(\sqrt{27} +\sqrt{18}) + 6(\sqrt{18} + \sqrt{9} )\\= 6( {6} +\sqrt{9*3}) + 6( \sqrt{9*3}  +\sqrt{9*2}) + 6(\sqrt{9*2} + 3 )\\= 6( {6} +3\sqrt{3}) + 6(3\sqrt{3} +3\sqrt{2}) + 6(3\sqrt{2} + 3 )\\=36 + 18\sqrt{3} + 18\sqrt{3} + 18\sqrt{2}+ 18\sqrt{2} + 18\\= 36+18  +18( \sqrt{3}+ \sqrt{3} +\sqrt{2} + \sqrt{2})\\= 54 + 18 (2\sqrt{3} +2\sqrt{2})\\=54 + 36\sqrt{3}  + 36\sqrt{2}\\= 18 ( 3 + 2(\sqrt{3}  + \sqrt{2} ))

7 0
3 years ago
Find the lateral surface area of this
Jobisdone [24]

Answer:

22/7×9×3=22×9×3=594÷7=84.85

7 0
3 years ago
Urgent!! Math help!!
iragen [17]

Answer:

29

Step-by-step explanation:

20^2+21^2=841

5 0
3 years ago
In a race, there are 20 runners. Trophies for the race are awarded to the runners finishing in first and second place. In how ma
andrew11 [14]

Answer:

<u>There are 380 ways that 1st and 2nd place can be determined in the race</u>

Step-by-step explanation:

There are 20 possibilities for determine the 1st place

There are 19 possibilities for determine the 2nd place

Number of ways that 1st and 2nd place can be determined = 20 * 19

Number of ways that 1st and 2nd place can be determined = 380

7 0
3 years ago
Just Seabra 5.2 pounds of grapes for $7.75 using the unit rate how much would 3 pounds of grapes cost
lora16 [44]

Answer: 4.47

Step-by-step explanation:

3 0
3 years ago
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