3 years ago

HELP ITS A TEST AND IM GIVING BRAINLIST

Mathematics

2 answers:

ioda3 years ago

5 0

Answer:

1.Area of Rectangle = 2(2w-5)

2. When you are multiplying the length and width of the rectangle, you solve the area of the rectangle.

Hope this helps! Have a nice evening and good luck!!

irina1246 [14]3 years ago

5 0

Answer:

B I think

Step-by-step explanation:

Hope it helps

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Which is equivalent to √3/√8 when denominator is "rationalized"?

TEA [102]

Step-by-step explanation:

$\dfrac{\sqrt3}{\sqrt8}=\dfrac{\sqrt3\cdot\sqrt2}{\sqrt8\cdot\sqrt2}=\dfrac{\sqrt{3\cdot2}}{\sqrt{8\cdot2}}=\dfrac{\sqrt6}{\sqrt{16}}=\dfrac{\sqrt6}{4}$

$\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{a}=b\iff b^2=a\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{16}=4\ \text{because}\ 4^2=16$