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Anna71 [15]
2 years ago
13

Combine Like terms

Mathematics
1 answer:
Marta_Voda [28]2 years ago
6 0

The expression 2y² - 2 + 4x - 2x + 3 - 2x + 5y² solved by collecting like terms is 7y² + 2x + 1

<h3>Like terms</h3>

2y² - 2 + 4x - 2x + 3 - 2x + 5y²

= 2y ² + 5y² + 4x - 2x - 2 + 3

= 7y² + 2x + 1

Therefore, the expression 2y² - 2 + 4x - 2x + 3 - 2x + 5y² solved by collecting like terms is 7y² + 2x + 1

Learn more about like terms:

brainly.com/question/17471184

#SPJ1

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Determine the surface area of the cylinder below.
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Answer:

<u>9π m²</u>

Step-by-step explanation:

We will need calculate the area of the top, the base and  sides.

Area of the top=πr²

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Area of the side: 2πrh

Surface area of a cylinder: area of the top + area of the base +area of the side

Surface area of a cylinder=πr²+πr²+2πrh=2πr²+2πrh=2πr(r+h)

Data:

r=1.5 m

h=1.5 m

Surface area of this cylinder=2π(1.5m)(1.5 m+1.5 m)=3π m*(3 m)=9π m².

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