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umka2103 [35]
3 years ago
5

-2(5n + 7) + 8n = 2(1 – 3n)

Mathematics
1 answer:
Delicious77 [7]3 years ago
6 0
N=4
N must be equaled to 4.

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translate phrases into algebraic expressions, the difference between the cube of a number and the square of the number
Korolek [52]

Answer:

x^3-x^2.

Step-by-step explanation:

The word "difference" represents a subtraction. Then the algebraic expression will be of the form a-b.

Now, the difference is between the cube of a number and the square of the number, then let's call the number x. The square of the number is raise to two. Then the square of the number is x^2.

The cube of the number is raise to three. Then the cube of the number is x^3.

So, the difference between the cube of a number and the square of the number (we are talking about the same number in the square and the cube) is x^3-x^2.

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4 years ago
Solve 4 ÷ one fourth = __
olya-2409 [2.1K]

Answer:

16

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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3 0
3 years ago
A rectangle's length is 3 feet longer than its width. its perimeter is 62 feet
DanielleElmas [232]

Hi!

<h3>The perimeter is equal to </h3>

<u>l + l + w + w = 62</u>

<h3>The length is 3 feet longer than the width so...</h3>

<u>w + 3 + w + 3 + w + w = 62</u>

<h3>Simplify</h3>

<u>4w + 6 = 62</u>

4w + 6 - 6 = 62 - 6

4w = 56

4w/4 = 56/4

<u>w = 14</u>

<u>14 + 3 = 17</u>

<h2>The width is 14 and the length is 17. </h2>

Hope this helps! :)

-Peredhel

6 0
3 years ago
Set up and solve an equation to find the measure of each missing angle
Nookie1986 [14]

Answer:

Step-by-step explanation:

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