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krok68 [10]
3 years ago
15

a population of a certain city decreased from 240,000 in 1985 to 210,000 in 1995 what is the percentage decrease in the populati

on?​
Mathematics
1 answer:
ELEN [110]3 years ago
3 0

Answer:

12.5% decrease.

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Please answer this to the best of your ability
Lilit [14]

Answer:

For this exercise we need to solve the next equation:

3 +6x = 2x + 27

We can start substracting 3 at both sides:

3 + 6x - 2 = 2x + 27 - 3

6x = 2x + 25

And then, we can substract 2x::

6x - 2x = 2x + 24 - 2x

4x = 25

Then, we divide by 4:

4x/4 = 24/4

x = 24/4 = 6

Now, we can see if we have done it correctly:

3 + 6*6 = 39

2 * 6 + 27 = 39

And we have seen our result is correct

7 0
3 years ago
What is the description of the pattern in the sequence?
Ronch [10]
Multiplying by 2, the next one would be 160
8 0
3 years ago
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a 24 ft ladder is leaning against a 20 ft building, what is the distance between the bottom of the ladder and the base of the bu
madreJ [45]
The distance at the base is 4 feet. Hope this helps.
4 0
3 years ago
I need to know the surface area.
egoroff_w [7]
Id say it 93.57 i believe

8 0
3 years ago
Write the standard form of the equation of the circle with the given characteristics.
SOVA2 [1]
<h2><u>Circle Equations</u></h2>

<h3>Write the standard form of the equation of the circle with the given characteristics.</h3><h3>Center: (0, 0); Radius: 2</h3>

To determine the equation of a circle, use the standard form of a circle (x - h)² + (y - k)² = r² where,

  • <u>(h, k)</u> is the center; and
  • <u>r</u> is the radius

Substitute the values of the center and radius to the standard form.

<u>Given:</u>

<u>(0, 0)</u> - <u>center</u>

<u>2</u> - <u>radius</u>

  • (x - h)² + (y - k)² = 2²
  • (x - 0)² + (y - 0)² = 4
  • x² + y² = 4

<u>Answer:</u>

  • The equation of the circle is <u>x² + y² = 4</u>.

Wxndy~~

7 0
2 years ago
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