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3 years ago

2.4n + 1.2n - 0.12 = 7.08

Mathematics

2 answers:

Basile [38]3 years ago

7 0

Answer:

n=2

Step-by-step explanation:

Pani-rosa [81]3 years ago

5 0

Answer:

The answer is n=2.

Step-by-step explanation:

First, combine like terms, so the problem then looks like 3.6n-0.12=7.08.

Then, add 0.12 to both sides, which now looks like 3.6n=7.2.

Finally, divide both sides of the equation by 3.6, and the final answer is n=2.

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zysi [14]

Answer:

a = 3, -3

Step-by-step explanation:

Multiply (a+3)/(a+3) to 2/(a-3) and multiply (a-3)/(a-3) to 2/(a+3) to get:

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add those two together to get (4a)/(a^2-9) which is equal to a/(a^2-9) on the other side. Cross multiply to get 4a^3 - 36a = a^3 - 9a, add/subtract like terms and you get a = 3 or -3

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3 years ago

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AveGali [126]

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4 years ago

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atroni [7]

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4 years ago

Read 2 more answers

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xenn [34]

Answer:

Part 2:

The shape of a banana cut in 45° angle is that of a curve that is closed with the appearance of a flattened circle or an oval similar to an ellipse therefore having two focal points

The drawing of the angle cross section of a cylinder representing the banana is attached

Part 3:

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The drawing of the perpendicular cross section of a cylinder representing the banana is

Step-by-step explanation:

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3 years ago

The ratio of boys to girls is 7 : 5. There are 63 boys. Choose a ratio tool and determine the number of girls.

hammer [34]

Answer:

63:45 =7:5

Step-by-step explanation:

7 goes into 63 9 times. Since you got 9 you multiply that by the ratio of girls.

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Have a wonderful day!

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3 years ago