3 years ago

If you get this right ill mark brainlyess and it's worth 20 points

Mathematics

2 answers:

cupoosta [38]3 years ago

5 0

30*30=90
40*30=120
120*4=480
90+480=570m^2

Hope it helps in a way. Best if luck

Alexus [3.1K]3 years ago

4 0

The answer is 3,300.

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Can someone please help me with this?

fomenos

perimeter = Answer:

Step-by-step explanation:

5. Perimeter of semi circle = r(pi+2)

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8 0

3 years ago

Write 12/root2 + root18 in the form broot2 where b is an interger

katrin2010 [14]

$\dfrac{12}{\sqrt 2} + \sqrt{18}\\\\\\=\dfrac{12 + \sqrt{18 \times 2}}{\sqrt 2}\\\\\\=\dfrac{12+\sqrt{9 \times 4}}{\sqrt 2}\\\\\\=\dfrac{12+3 \times 2}{\sqrt 2}\\\\\\=\dfrac{18}{\sqrt 2}\\\\\\=\dfrac{18\sqrt 2}{\left(\sqrt 2\right)^2}\\\\\\=\dfrac{18\sqrt 2}2\\\\\\=9\sqrt 2$