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insens350 [35]
2 years ago
5

Rockport had 5,620 residents at the time of its founding. Currently there are 3,934 residents. What is the percent of decrease i

n Rockport's population?
Mathematics
1 answer:
adell [148]2 years ago
3 0

Answer:

30%

Step-by-step explanation:

percent decrease = (new - old) / old * 100 = (3934-5620)/5620 * 100 = 30%

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Factor this expression completely.<br><br> u^3 - v^3
Musya8 [376]

Completely factored form of u^3-v^3 is:

(u-v)(u^2+uv+v^2)

Step-by-step explanation:

Algebraic formulas are used to factorize the expression.

Given

u^3 - v^3

The formula involving cube with negative sign is:

a^3-b^3 = (a-b)(a^2+ab+b^2)

Using this formula:

u^3-v^3 = (u)^3 - (v)^3\\= (u-v)(u^2+uv+v^2)

Hence,

Completely factored form of u^3-v^3 is:

(u-v)(u^2+uv+v^2)

Keywords: Factorization

Learn more about factors at:

  • brainly.com/question/13063819
  • brainly.com/question/13219835

#LearnwithBrainly

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3 years ago
Let f(x)=(x+2)^2
user100 [1]
The graph if g(x) is vertically stretched by a factor of 3
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7 0
3 years ago
2. If x=2, y=3 find<br>value of <br>x²-5y+2​
Damm [24]

Answer:

-9

Step-by-step explanation:

Substitute the give values into the correct place in the equation.

Since x=2, y=3,

Place "2" in the x of the equation, and "3" into the y of the equation.

x²-5y+2​

= 2² - 5(3) + 2

= 4 - 15 + 2

= -9

5 0
3 years ago
Read 2 more answers
Two pairs of statements about Jeff's housing expenditures are given below. How can both pairs of statements be true?
Irina18 [472]

Explanation:

Pair 1 is true if Jeff's monthly income is $600/20% = $3,000.

Pair 2 is true if Jeff's monthly income is $1200/10% = $12,000.

Both pairs can be true if Jeff's monthly income increased by a factor of 4 in the 20 years from 1990 to 2010.

Obviously, Jeff spent more on housing in 2010. (Fortunately for Jeff, that larger expenditure was a smaller fraction of his income.)

5 0
3 years ago
What is the sum of<br> Σ4(0.5) -1,<br> n=1<br> O S=1.5<br> O S = 2<br> O S = 4.5<br> O S = 8
slamgirl [31]

Answer:

S=4.5

Step-by-step explanation:

dxxzzzzzzzzzzzzzz---

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3 years ago
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