Seudónimo
Seudónimo
13-04-2018
Mathematics
contestada
Please help. I have 2 questions. Thank you.
Respuesta :
prestonshelton
prestonshelton
13-04-2018
Hello!
Question 1:
We have to put the ratio of the volumes
It is 27:125 ratio
This can be put as 27/125
We can multiply this by 63 to get the unknown surface area
This gives us 292
The answer is 292in^2
Question 2:
We have to find the ratio of the radius
3.1 : 6.2
We can see that they multiplied the first balloon by 2 to get the second
To find the missing volume we do 125 * 2 = 250
The answer is 250cm^3
Hope this helps!
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