The first one because when you simplify it equals to 3<span>√2x2x2x2x2x2xk12, so then you can take out two 2s and 4ks.
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Answer: 75 feet²
Step-by-step explanation:
The scale means that for every one unit in the scale drawing, it is 30 units in the actual room. We will convert the dimensions using proportions.
![\frac{1}{3} =\frac{30}{x}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3%7D%20%3D%5Cfrac%7B30%7D%7Bx%7D)
x = 90
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![\frac{1}{4} =\frac{30}{x}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B4%7D%20%3D%5Cfrac%7B30%7D%7Bx%7D)
x = 120
The area of a rectangle can be found by multiplying the length by the width:
A = L * W
A = 90 * 120
A = 10,800 inches²
To get this into square feet, we will divide by 144. Why? There are 12 inches in a foot. 12 times 12 is 144.
10,800 inches² / 144 = 75 feet²
The area of the room, in square feet, is 75 feet².
Answer:
x=79 degrees y=22degrees
Step-by-step explanation:
you see it has 2 equal sides, so the triangle is an isosceles triangle. If the triangle is isosceles, then its 2 base angles are equal, that is, x = 79 according to the triangle property, the 3 angles add up to 180 degrees, so you take 180 degrees minus 2 * 79 degrees you get a y angle equal to 22 degrees
Answer:
Regular price=$80. Savings=$20.00
Step-by-step explanation: