3 years ago

4xy- 72 = 3w solve for y

Mathematics

1 answer:

Mashcka [7]3 years ago

6 0

Answer:

y= $\frac{3w}{4x}$ + $\frac{18}{x}$

Step-by-step explanation:

Hope this helps. Plz give brainliest.

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3 years ago

Find the area of an octagon whose perimeter is 120 cm.

stira [4]

Answer:

The area of an octagon whose perimeter is 120 cm is 1086.4 $cm^{2}$

Step-by-step explanation:

An octagon is a polygon with eight sides. If the lengths of all the sides and the measurement of all the angles are equal, the octagon is called a regular octagon.

There is a predefined set of formulas for the calculation of perimeter, and area of a regular octagon.

The perimeter of an Octagon is given by

$P=8a$

and the area of an Octagon is given by

$A=2a^{2}(1+\sqrt{2})$

We know that the perimeter is 120 cm, solving for side length (a) in the perimeter formula we get

$120=8a\\\frac{8a}{8}=\frac{120}{8}\\a=15$

Now, we calculate the area

$A=2a^{2}(1+\sqrt{2})\\A=2(15)^{2}(1+\sqrt{2})\\A=450\left(1+\sqrt{2}\right)\\A\approx 1086.4 \:cm^{2}$

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3 years ago

True or false <br> The volume of a rectangular prism is always measured in cubic units?

Sindrei [870]

False

Step-by-step explanation:

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3 years ago

Name all 4 angels shown in the picture

MrMuchimi

<h3>The angles are:</h3>

∠ABC
∠CBE
∠DBE
∠ABD

Hope it helps

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3 years ago