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3 years ago

8

what is the approximate percent increase when the population of a town increases from 12089 to 15025? round the amounts to the n

earest ten thousand.

2 answers:

fenix001 [56]3 years ago

8 0

15025-12089 = 2936 2936/12089 = .2429 .2429 * 100 = 24.29% or Approx 24 %

bulgar [2K]3 years ago

6 0

The rate of increase is
$\frac{15025}{12089}\approx1.242865$

The percent of increase is then
$(1.242865-1)*100\%=0.242865*100\%=24.2865\%$

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3 years ago

2x^2+3x=(2x-1)(x+1)<br> Pls do explain

Serggg [28]

<h3><u>Answer:</u></h3>

<u /> $x=-\frac{1}{2}$

<h3><u>Step-by-step explanation:</u></h3>

You could solve this problem by either: Factoring or by using the Quadratic Formula.

SOLVING BY FACTORING STEPS

<em>STEP 1:</em><em> Move (2x−1)(x+1) to the left side of the equation by subtracting it from both sides.</em>

<em /> $2x^2+3x-(2x-1)(x+1)=0$

<em>STEP 2:</em><em> Simplify 2x^2+3x−(2x−1)(x+1).</em>

<em /> $2x+1=0$

<em>STEP 3: </em><em>Simplify each term.</em>

<em /> $2x^2+3x-2x^2-x+1=0$

<em>STEP 4: </em><em>Simplify by adding terms.</em>

<em /> $2x+1=0$

<em>STEP 5:</em><em> Subtract 1 from both sides of the equation.</em>

<em /> $2x=-1$

<em>STEP 6: </em><em>Divide each term by 2 and simplify.</em>

<em /> $x=-\frac{1}{2}$

SOLVE BY USING THE QUADRATIC FORMULA STEPS

<em>STEP 1: </em><em>Move all terms to the left side of the equation and simplify.</em>

<em /> $2x+1=0$ <em />

<em>STEP 2: </em><em>Subtract 1 from both sides of the equation.</em>

<em /> $2x=-1$ <em />

<em>STEP 3: </em><em>Divide each term by 2 and simplify.</em>

<u /> $x=-\frac{1}{2}$

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3 years ago

Read 2 more answers