1 year ago

PLS HELP! I will give brainliest if correct!

Mathematics

2 answers:

marissa [1.9K]1 year ago

7 0

The answer is the 3rd one (72 cm2)

Ludmilka [50]1 year ago

3 0

Answer:

72 cm²

In order to find the surface area of rectangular prism

rectangular prism surface area: 2(LW + HW + HL)

Identify following sides:

Length: 6 cm

Width: 3 cm

Height: 2 cm

Solve for surface area:

2(6*3 + 2*3 + 2*6)

2(18 + 6 + 12)

2(36)

72 cm²

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Help show work please

pantera1 [17]

We want to get rid of the stuff in the denomenator

gcd of the denomenator is 2x
but wait, we can get rid of the deonmenator in the numerator by multiplying by 4x

muliplty the whole thing by 4x/4x

we get $\frac{x(x^2)}{4(2)+2(x+4)}=\frac{x^3}{2x+16}$