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Lubov Fominskaja [6]
4 years ago
8

What does this equal?

Mathematics
1 answer:
myrzilka [38]4 years ago
4 0

Answer:

x²y²+xy²+3+xy+2y²

Step-by-step explanation:

(2x²y²+x²y+xy²+3)-(x²y²+x²y²+x²y-xy-2y²)

1. remove the parentheses (when there’s - in front of an expression  in parentheses  change the sign of each term of the expression)

2x²y² + x²y + xy² + 3-x²y² - x²y² - x²y + xy - 2y²

2. eliminate the opposites

2x²y² + xy² + 3 -x²y² + xy +2y²

3. collect like terms

x²y² + xy² + 3 + xy + 2y²

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Xy =8 inches wy =24 and xz=48 inches height from the ground to the base of the window is?
BabaBlast [244]

The height of the ground from the base of the window is 144 inches.

<h3>How to find the side of a right angle triangle?</h3>

One angle of a right angle triangle is equals to 90 degrees.

Therefore, the sides and angles of the right triangle can be found using trigonometric ratios.

tan x = WY / XY

tan x  = opposite / adjacent

tan x = 24 / 8

x = tan⁻¹ 3

x = tan⁻¹ 3

x = 71.5650511771

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387.2 miles in 8 hours<br> miles per hour
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3 years ago
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Step-by-step explanation:

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