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Leto [7]
3 years ago
7

(2x2 + x + 3) + (3x2 + 2x + 1)

Mathematics
1 answer:
bekas [8.4K]3 years ago
8 0

Answer:

Step-by-step explanation:

Combine like terms. Like terms have same variable with same power

2x² + x + 3 + 3x² + 2x + 1 = <u>2x² + 3x²</u>   <u>+ x + 2x </u> <u>+ 3 + 1</u>

                                        = 5x² + 3x + 4

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Find the perimeter of the polygon.<br> 4 ft<br> 7 ft
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Step-by-step explanation:

perimeter = 2(4ft+7ft) = 2*11ft = 22ft

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4 years ago
Find the percent of increase. Original Price: $200 Retail Price: $250
Alexxandr [17]

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The percent of increase is 25%

Step-by-step explanation:

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Factor out in steps. . 3p^2-2p-5.
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3 years ago
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Research and Calculations (15 points)
EastWind [94]

The measure of a central angle in degrees is 11.25°.

<h3>How to get the values?</h3>

The name of the Ferris wheel is London eye

The diameter of the wheel (in meters) is 394

The number of cars or compartments 32

The circumference of the wheel (in meters) 394*pi=1237.78

The area of the wheel (in meters)394/2=197 a=pi*197^2=618.58

The measure of a central angle in degrees will be:

= 360°/Number of the compartment

= 360°/32

= 11.25°

The measure of a central angle in radians will be:

= 2π/Number of compartment

= 2π/32

= π/16 radians

The arc length between two cars or compartments will be:

= π/16 × (394/2)

= π/16 × 197

= 197π/16

= 38.69m

The area of a sector between two cars or compartments will be:

= central angle/360° × π × radius ²

= 11.25/360 × 3.142 × (394/2)²

= 3810.56m²

Learn more about angles on:

brainly.com/question/25716982

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If you have 5 red books and 10 blue books. How many red or blue books are there?
Kruka [31]
5 red books and 10 blue books ?
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4 years ago
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