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quick math problem 4 quick points?
answer these 6 math problems 4 easy points:
find surface area of fiquers with these measuremants
1. prism- 15 x 4 x 4
2.cylinder- 8=height, 3= radius
3.cylinder- 3=height, 5= radius
4.prism(cube)- 6.2 x 6.2 x 6.2
5.clylinder-9=height,2.9=radius
6.prism-7 x 5.9 x 5.9
i already have the answers, so i will only choose the real answer 4 the best answer
also incude the formula u used( if u can)- 1st person to do this correctly wins the points
2 réponses
- il y a 1 décennieRéponse favorite
prism formula=2lw+2lh+2wh
prism answer=120+120+32
answer+252
cylinder=r^2pih
cylinder answer=3^2pi8
answer=226.08
cylinder #2=235.5
cube=6s^2
cube answer=230.64
cylinder #3 answer=2.9^2pi9
answer=237.6666
prism=234.82
- ?Lv 4il y a 5 ans
the easily thank you to do remedy this concern utilising removal is like this: a million) you're taking the two equations and multiply them so as that the two the "x" variable or "y" variable can cancel out one yet another utilising addition. ex: 2(3x-4y=-18) -3(2x-y=-17) After multiplying they'll appear like this: 6x-8y=-36 -6x+3y=fifty one All I did grew to become into multiply the two equations so we've got "6x" in one and "-6x" in the different. 2) Now upload the 1st equation from the 2nd: ex: 6x+(-6x)-8y+3y=-36+fifty one the answer to that's: -5y=15 subsequently: y=-3 3) Now to remedy for "x" that's vitally easy, all you're able to desire to do is replace your answer for "y" in between the equations as following: ex: 2x-y=-17 2x-(-3)=-17 2x+3=-17 2x=-20 x=-10 and there is your answer. The removal technique could seem complicated on the initiating in spite of the incontrovertible fact that this is basic as quickly as you get the dangle of it. desire this helped.
