Answer:
3×-6=3
3×=3+6
3×=9
×=3
Step-by-step explanation:
multiply 3 by the variables in the bracket.
then you will get 3×-6=3.
take the -6 to the right hand side and it becomes+6
then you get 3×=3+6 therefore =3×=9
then divide both sides by 3.
3×÷3 and 9÷3
×=3
Answer:
18.75 gallons of ice
Step-by-step explanation:
I divided the 2.5 gallons of ice by the number of buckets (4) it filled to determine how many gallons of ice are in each bucket.
2.5 / 4 = 0.625
I then multiplied the amount of ice it takes to fill a bucket (0.625) by 30 buckets to get 18.75 gallons of ice.
<h2>
There are 120 pine trees and 180 maple trees.</h2>
Step-by-step explanation:
Total number of trees = 300
Given that for every two pine trees there will be 3 maple trees.
Let 2t be the total number of pine trees.
Then total number of maple trees is 3t.
Total number of trees = 2 t + 3 t = 5 t
That is
5t = 300
t = 60
Total number of pine trees = 2t = 2 x 60 = 120
Total number of maple trees = 3t = 3 x 60 = 180
There are 120 pine trees and 180 maple trees.
Answer:
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Answer:
The cilinder x^{2} + y^{2} = 4 has the form x^{2} + y^{2} = r^{2}. Here, the radius of the cilinder is 2.
It is only necessary to solve the next integral by taking into account the correct limits :
![\int\limits^{2\pi}_0{} \, d\phi \int\limits^{7}_2{} \, dz \int\limits^{2}_0{r} \, dr = [2\pi -0][7 - 2][\frac{2^{2}}{2} - 0] = 10\pi](https://tex.z-dn.net/?f=%5Cint%5Climits%5E%7B2%5Cpi%7D_0%7B%7D%20%5C%2C%20d%5Cphi%20%20%5Cint%5Climits%5E%7B7%7D_2%7B%7D%20%5C%2C%20dz%20%5Cint%5Climits%5E%7B2%7D_0%7Br%7D%20%5C%2C%20dr%20%3D%20%5B2%5Cpi%20-0%5D%5B7%20-%202%5D%5B%5Cfrac%7B2%5E%7B2%7D%7D%7B2%7D%20-%200%5D%20%3D%2010%5Cpi)
I hope this is usefull for you
regards
