The population of a city is increasing at a rate of 4% each year. In 2000, there were 236,000 people in the city. Write an exponential growth function to model this situation. Then find the population in 2009.

Answers

Answer 1

Answer:

A = 236,000 (1+ 0.04)^9

335,902 people in 2009

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential growth function:  

A = P (1 + r) t  

Where:  

p = original population (in 2000)

r = growing rate (decimal form) = 4/100 = 0.04

t= years  

A = population after t years  

Replacing with the values given:  

A = 236,000 (1+ 0.04) ^t

To find the population in 2009:

We have to calculate the number of years passed since 2000: (2009-2000 = 9 years =t)

Substituting t=9 in the function:

A = 236,000 (1+ 0.04)^9

A =335,902 people

Feel free to ask for more if needed or if you did not understand something.  


Related Questions

Help me please I keep getting it wrong.

Answers

Answer:

Whats the problem?

Step-by-step explanation:

solve the volume formula V = lwh for w

Answers

Answer:

v/lh = w

Step-by-step explanation:

Divide Both Sides by the length and height to isolate width.

AB has endpoints at A(2,6) and B(6,8). What are the coordinates of the midpoint

Answers

The answer is (4,7)

look at the attached picture

Hope it helps..

Good luck on your assignment

The coordinates of the midpoint of the segment whose endpoints are A(2, 6) and B(6, 8) will be (4, 7).

What is the midpoint of line segment AB?

Let C be the mid-point of the line segment AB.

A = (x₁, y₁)

B = (x₂, y₂)

C = (x, y)

Then the midpoint will be

x = (x₁ + x₂) / 2

y = (y₁ + y₂) / 2

AB has endpoints at A(2, 6) and B(6, 8). Then we have

(x₁, y₁) = (2, 6)

(x₂, y₂) = (6, 8)

Then the mid-point will be

x = (2 + 6) / 2

x = 8 / 2

x = 4

y = (6 + 8) / 2

y = 14/2

y = 7

Then the coordinates of the midpoint of the segment whose endpoints are A(2, 6) and B(6, 8) will be (4, 7).

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f(x)=4x^+1 and g(x)=x^-5 find (f+g)(x)

Answers

[tex]f(x)=4x^1 \\ g(x)= {x}^{ - 5} \\ (f+g)(x) \\ 4x + {x}^{ - 5} \\ [/tex]

express with a postive exponent

[tex]\\ 4x + \frac{1}{{x}^{5} } \\ write \: all \: numerators \: above \\ a \: comon \\ denominator \\ \frac{ {4x}^{6} + 1 }{ {x}^{5} } \:[/tex]

\frac{(2_1-4_{2}) ^{4} } {2}
Quick I need help

Answers

Answer:

what is /frac part supposed to be??

Step-by-step explanation:


Question 1
Here is the base of a prism.


a. If the height of the prism is 5 cm, what is its surface area? What is its volume?



b. If the height of the prism is 10 cm, what is its surface area? What is its volume?


c. When the height doubled, what was the percent increase for the surface area? For the volume?


Answers

Answer:

a ) Surface Area ⇒ 222 cm^2, Volume ⇒ 180 cm^3

b ) Surface Area ⇒ 372 cm^2, Volume ⇒ 360 cm^3

c ) Surface Area Increase ⇒ ( About ) 67.56 %, Volume Increase ⇒ 100 %

Step-by-step explanation:

a ) Consider dividing the figure into parts, first solving for the area of the base, using the attachment below for guidance;

As you can see, in the picture I have made it so that the base is nested in a rectangle with dimensions 8 by 5. Calculating the area of this rectangle, subtracting the area of a square with dimensions 2 by 2 cm, we can derive the area of the base in a much quicker manner;

[tex]Area of Base - ( 8 cm * 5 cm ) - ( 2 cm* 2 cm ) = 40 square cm - 4 square cm = \\Solution; Base = 36 square cm[/tex]

Now let us imagine adding the another dimensions to this two dimensional base. That would make a 3 - d prism, with surface area equivalent to mini rectangles and squares with a common dimension being the length of the height; 5 cm

[tex]Area of 1 Square = 5 cm * 5 cm = 25 square cm,\\Area of 2 Square = 25 square cm,\\Area of 1 Rectangle = 3 cm * 5 cm = 15 square cm,\\Area of 2 Rectangle = 15 square cm,\\Area of 3 Rectangle = 2 cm * 5 cm = 10 square cm,\\Area of 4 Rectangle = 10 square cm,\\Area of 5 Rectangle = 10 square cm,\\Area of 6 Rectangle = 8 cm * 5 cm = 40 square cm\\Area of Base 2 = 36 square cm,\\\\Surface Area of Figure = 25 + 25 + 15 + 15 + 10 + 10 + 10 + 40 + 36 + 36 = 222 square cm\\Volume = 36 square cm * 5 cm = 180cubiccm[/tex]

b ) We have calculated the area of the base before, now let us solve for all the " mini shapes " given a new height of 10 cm;

[tex]Area of Rectangle 1 = 5 cm * 10 cm = 50 cm^2,\\Area of Rectangle 2 = 50 cm^2,\\Area of Rectangle 3 = 3 cm* 10 cm = 30 cm^2,\\Area of Rectangle 4 = 30 cm^2,\\Area of Rectangle 5 = 2 cm * 10 cm = 20 cm^2,\\Area of Rectangle 6 = 20 cm^2,\\Area of Rectangle 7 = 20 cm^2,\\Area of Rectangle 8 = 8 cm * 10 cm = 80 cm^2,\\\\Surface Area of Figure = 50 + 50 + 30 + 30 + 20 + 20 + 20 + 80 + 36 + 36 = 372 cm^2\\Volume of Figure = 36 cm^2 * 10 cm = 360 cubic cm[/tex]

c ) Solution; Increase of Surface Area ⇒ ( About ) 67.56 %, Increase of Volume ⇒ 100 %

WILL GIVE BRAINLIST AND THANKS IF CORRECT

Solve this equation:

3(x+2)+2x=21

Answers

Answer:

x=3

Step-by-step explanation:

First distribute the 3!

3x+6+2x=21

Then, combine like terms.

5x+6=21

Move the 6 to the other side

5x=15

Divide each side by 5

x=3

The answer is 3.
Check the steps
⬇️

Ari is arranging her coin collection. She has 11 pennies, 5 nickels, 8 dimes, 7 quarters, and 9 half-dollars. If she chooses one at random, what is the probability that it is a penny?

Answers

The percentage would be 27.5 because you add the 11, 5, 8, 7, 9 up and then divided by 11 to get your percentage. So percentage should be 27.5% and a fraction would be 11/40

Can somebody help me with this problem please.

Answers

The answer Is Description

please help as soon as possible
I WILL MARK YOU AS BRAINLIEST ​

Answers

Answer:

Both coordinates are negative

Answer:

The x-coordinate is negative, and the  y-coordinate is negative.

Step-by-step explanation:

It's a bite hard to explain it without a xy-plane. I don't want to upload it, so I will try to draw it:

            [tex]\left[\begin{array}{ccc}a&|&b\\-&-&>\\c&|&d\end{array}\right][/tex]

We have point [tex]a[/tex] in the coordinates [tex](-x, y)[/tex]

We have point [tex]b[/tex] in the coordinates [tex](x, y)[/tex]    

We have point [tex]c[/tex] in the coordinates [tex](-x, -y)[/tex]        

We have point [tex]d[/tex] in the coordinates [tex](x, -y)[/tex]

A point with a positive x-coordinate and a negative y-coordinate is reflected over the y-axis.

This point is [tex]d[/tex]. Once it is reflected over the y-axis, it turns to be point [tex]c[/tex].

Find the value of x.

Answers

Answer:

x=47.41662784

Step-by-step explanation:

take sin 28° multiplied by 101 because sin equals opposite/hypotenuse. in this case (sin 28=x/101). (101*sin 28=x)

Answer:

x=47.41662784

Step-by-step explanation:

Find the measure of the arc.
А)
146°E
B
MACB = [? ]°

Answers

Answer:

214°

Step-by-step explanation:

The measure of an arc that sees the center angle of the circle is equal to the very same angle that it sees

Since the measure of circle is 360° and arc AB is given as 146° the measure of arc ACB should be 360 - 146 = 214°

The measure of arc ACB from the given circle is 214 degree.

What is the relationship between a central angle and its arc?

An arc of a circle is a section of the circumference of the circle between two radii. A central angle of a circle is an angle between two radii with the vertex at the centre. The central angle of an arc is the central angle subtended by the arc. The measure of an arc is the measure of its central angle.

Given that, ∠AOB=146° (Minor sector)

So,  ∠AOB=360°-146°=204°

The measure of an arc that sees the center angle of the circle is equal to the very same angle that it sees

Since the measure of circle is 360° and arc AB is given as 146° the measure of arc ACB is 214°.

Therefore, the measure of arc ACB from the given circle is 214 degree.

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What are the potential solutions of In(x? - 25) - 0?
O x-+ 13
X-V28
O x-=10

Answers

Answer:

V 8 on 8 D

Step-by-step explanation

which expression is equivalent to -28x^2+35x ? F. 7x(4x+5) G.-7x(4x-5) H.7x(4x-5) J.-7x(4x+5) please explain w the steps

Answers

Hey!!

Solution,

-28x^2+35x

take the common,

-7x(4x-5)

The answer is -7x(4x-5)

Here,

If we solve,

-7x(4x-5)

Then, the answer would be:

= -7x*4x+7x*5

= -28x^2+35x

Hope it helps

Good luck on your assignment

Answer:

G

Step-by-step explanation:

-28x² + 35x = -7 * 4 * x² + (-7)*(-5)*x

                  = -7x(4x - 5)

What is the area of the two triangles and the quadrilateral

Answers

Answer:

Hope this is correct

Select the three correct ways to describe an angle with a measure of 13°

Answers

Answer:

its not the top right one

Step-by-step explanation:

the other three are right

The three correct ways to describe an angle with a measure of 13° are  it turns through 13 one degree angles. It turns through 13/360  of a circle and It is the same size as 13 one degree angles.

What is Angle?

An angle is defined as the figure, in which two rays meet at a common point called the vertex. The angle is denoted using the symbol “∠”.

We have been given an angle with a measure of 13°

Acute: An angle with a measure less than 90° is considered acute. 13° is an acute angle.

Straight: An angle with a measure of exactly 180° is considered straight. 13° is not a straight angle.

Obtuse: An angle with a measure greater than 90° and less than 180° is considered obtuse. 13° is not an obtuse angle.

13° measure means it turns through 13 one degree angles.

It turns through 13/360  of a circle

It is the same size as 13 one degree angles.

Hence, the three correct ways to describe an angle with a measure of 13° are  it turns through 13 one degree angles. It turns through 13/360  of a circle and It is the same size as 13 one degree angles.

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Answer for 100 points! If you answer as a joke or dont even answer at all, I will report your answer, your points will be removed, and you wont have brainliest. Remember moderators are ALWAYS around.

Answers

Answer:

Edited: heads and tails

Step-by-step explanation:

Answer:

what

Step-by-step explanation:

On Orbitz, you found a flight for $345.00 to Miami. Whoooo! As you are about to check it out, Orbitz offers you a promotion. “ Get 20% off“ What is the discount that you will be saving, if tickets are needed for you, one of your parents, and two friends?

Answers

Answer:

276$ off

Step-by-step explanation:

345*4 = 1380

ans*.2 = 276

21.05 divided by 0.2

Answers

Answer:

[tex]\frac{21.05}{0.2}=105.25[/tex]

Step-by-step explanation:

you have to do long division, but there is a number of steps, too many to put in here, but just check on calculator if you want to make sure

21.05 divided by 0.2 equals to 105.25

What is division?

Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers.

The process of dividing a number up into equal parts, and finding how many equal parts can be made.

Division is a process of splitting a specific amount into equal parts. For example, we can divide a group of 20 members into 4 groups of 5 members.

Given that, 21.05 divided by 0.2

So, 21.05 ÷ 0.2 = 21.05/0.2

Multiply by 100

= 21.05 x 100 / 0.2 x 100

= 2105/20

= 421/4

= 105.25

Hence, 21.05 divided by 0.2 equals to 105.25

Learn more about divisions, click;

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Jose is mailing a package shaped like the rectangular prism shown in the figure. Use a net to find the surface area of the package ​

Answers

Answer:

222cm

Step-by-step explanation:

8*7.5*2=120

3.4*7.5*4=102

222cm

Rotate this shape 90 degrees clockwise... Draw the new shape and label the vertices of the new shape with A’B’C’D’

Answers

Answer:

  see below

Step-by-step explanation:

A 90° clockwise rotation performs the transformation ...

  (x, y) ⇒ (y, -x)

So, for example, point A becomes ...

  A(2, 1) ⇒ A'(1, -2)

Please answer the attachment below correctly!

Answers

Answer:

Step-by-step explanation:

The other factor has 4 decimal places because the number of decimal places in a product is the sum of number of decimal places in the factors.

Example = 4.3 * 2 = 8.6

      4.3 * 0.2 = 0.86

HELP PLEASE!! ASAP!!

Answers

Answer:

The estimated distance is 8.1cm.

The actual distance is 8.106cm.

Step-by-step explanation:

Given that the Pythogorean Theorem, c² = a² + b². Then substitute the following values into the formula :

[tex] {c}^{2} = {a}^{2} + {b}^{2} [/tex]

Let a = 5.1cm,

Let b = 6.3cm,

[tex] {c}^{2} = {5.1}^{2} + {6.3}^{2} [/tex]

[tex] {c}^{2} = 26.01 + 39.69[/tex]

[tex] {c}^{2} = 65.7[/tex]

[tex]c = \sqrt{65.7} [/tex]

[tex]c = 8.106cm \: (3d.p)[/tex]

What is the slope of a line between the points (-4,-3) and (4, -2)?

Answers

Answer:

slope is 1/8

Step-by-step explanation:

you have to substitute the values of x and y into the equation below:

after simplifying your answer would be 1/8

ignore the circled one and actually try please​

Answers

Answer:

A

Step-by-step explanation:

= 2x5−8x4 /(6x3+30x2)

=  2x3−8x2 /(6x+30 )

= x3−4x2 /(3x+15)

Answer:

a.[tex] \frac{x^3-4x^2}{3x+15}[/tex]

Step-by-step explanation:

[tex]\huge{ \frac{2x^4}{x+5} \div \frac{6x^2}{x-4} }\\\\\huge{= \frac{2x^4}{x+5} \times \frac{x-4}{6x^2}}\\\\\huge{ =\frac{x^2}{x+5} \times \frac{x-4}{3}}\\\\\huge {=\frac{x^2(x-4)}{3(x+5)}}\\\\\huge{=\frac{x^3-4x^2}{3x+15}}[/tex]

help !!!!!!!!!! i need somebody to answer this

Answers

Answer:

B

Step-by-step explanation:

because it says between 4 and 8 and doesn't have a negative so its positive

B it is constant

This is because the graph during that part has no fluctuations.

Does anyone have the answers for this please help

Answers

Answer is 7,20 and 104 for the first question

Answer:

1. 7, 20, and 104

2. 42, 16, and 1

3. 64, 180 and 10

4. 12, 4.5, and 0

5. 26, 56, 2, and 6.5

6. 19, 31, 75, and 52.6

7. 18, 28, 15, and 30

8. 26, 50, 145, and 401

Step-by-step explanation:

hope this helps

The graph shows the midday temperature in Cambridge over the summer.
a)What is the range of the temperatures?
b)is the trend downward or upward?

Answers

Answer:

a) 6°C

b) upward

Step-by-step explanation:

a) The range of temperatures is the difference between the maximum and the minimum temperatures. From the graph we can see that:

maximum temperature: 18 °C

minimum temperature: 12 °C

Then:

range of temperatures: 18-12 = 6°C

b) The trend is upward because, given any temperature, the next one is higher.

Answer:

Step-by-step explanation:

a) range is 6.

b) trend is upward.

jane earns £1800 every month. She pays 40% of the £1800 in the rent and 1/3 of the £1800 on food

Work out how much of the £1800 jane has left.

Answers

Answer:

£480

Step-by-step explanation:

40 percent of 1800 is 720, and 1/3 of 1800 is 600, 720+600=1320, 1800-1320=480.

Roughly £480 hope that helps

3 times the sum of k and d
A 3(k + d)
B 3 + k +d
C 3k + d
D 3kd​

Answers

It’s c zzzzzjzjdjdjdbbebbebbebsbsbbsbshhsh
The answer is C. Hope it helps
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