Mathematics College

The population of a town is 20.000. It decreases at a rate of 9% per year. In about how many years will the population be fewer than 13,000?

Answers

Answer 1

4 years, just like what the other person said he is right. because 9% of population is 1800

Answer 2

It will take approximately four years for the population to be fewer than 13,000.

What is the rate?

A rate is a type of ratio that compares two values with distinct units. A rate is expressed as a fraction.

The population of the town is 20.000. It decreases at a rate of 9% per year.

The population of the town decreases by 20,000 × 9% = 1,800 people per year.

To determine how many years it takes for the population to fall below 13,000, you can use the formula:

= (20,000 - 13,000) / 1,800

= 3.88 ≈ 4 years

So, it will take approximately 4 years for the population to be fewer than 13,000.

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Related Questions

Simplify the following expression: -4(-4d - 5)

Answers

Answer:

4⋅(4d+5)

Step-by-step explanation:

Write the equation 7x - 4y = -12 in slope-intercept form

Answers

Hello,

The correct answer is: y = 7/4x + 3.

Step-by-step:

Move variables to the right side

-4y = -12 - 7x

Change the signs

4y + 12 + 7x

Divide both sides

y = 3 + 7/4x

Reorder the terms

y = 7/4x + 3

Answer: y = 7/4x + 3

Hope this helps!

Find the x-intercept of the following linear function: 3x - 2y- 16
QUICK

Answers

I gotchu

To solve for x-intercepts, y must be 0.

3x - 2(0) - 16 = 0

3x - 16 = 0

3x = 16

x = 16/3

X intercepts are ([tex]\frac{16}{3}[/tex],0)

Answer:

The answer is 5.33333333 or 5 1/3

A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 16 years with a standard deviation of 5 years. If the claim is true, in a sample of 32 wall clocks, what is the probability that the mean clock life would be greater than 15.6 years

Answers

Answer:

Step-by-step explanation:

greatest to least 4/10, 0.50, 1/4, 0.06

Answers

Answer:

0.50, 4/10, 1/4, 0.06

Step-by-step explanation:

1/4 = 0.25

4/10 = 0.40

Answer:

OoP NVmM SoRrY- XD

Step-by-step explanation:

^^ Hopefully this works, I'm rooting for you!

A glacier in Alaska moves about 29.9 meters a day. How much farther will it move in 1,000 days than in 100 days?|

Answers

The answer is 26,910 meters

Answer:

(1000x29.9)-(100x29.9)=29900-2990=26910

26910

Step-by-step explanation:

5 - 3 1/4
This is Fractions

Answers

Your answer would again be 1 3/4

what would be the slope?

Answers

I think 8, because 1/8

Which number line shows the solution of 4x-36<-12 HELP PLZZZZZZ

Answers

Answer:

Step-by-step explanation:

Please mark brainliest.

The answer to your question is A

An objects _________

Answers

i can’t really see it

which expression is equivalent to -1.3 - (1.9)?

Answers

Answer: 0.6

Step-by-step explanation:

The Awnser is 0.6 hope this helps

5
What is the missing value in the following arithmetic sequence?
4
3
9.2
2
1
5.6
n
3.8
2
an
7.1
7.2
74
7.5

Answers

Answer:

C-7.4

Step-by-step explanation:

just took the test EDG2020

The nth term of an arithmetic sequence is a +(n-1)d. The missing term of the arithmetic sequence is 7.4

How to calculate the nth term of an arithmetic sequence?

The nth term of an arithmetic sequence is expressed according to the formula as shown:

Tn = a + (n -1)d

where:

a is the first term = 2

d is the common difference = 3.8 -2 = 1.8

Required

Fourth term (n = 4)

Substitute

T4 = 2 + (4 -1)(1.8)
T4 = 2+3(1.8)
T4 = 7.4

Hence the missing term of the arithmetic sequence is 7.4

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Using the graphing function on your calculator, find the solution to the system
of equations shown below.
2y- 4x= 6
y- 2x=7
A. No solution
B. More than 1 solution
C. x= 4, y=-2
D. X= -1, y= 1

Answers

48 hdjehddhbeebjehrebbrrbrbfbfbfbfbfnfbf

The question is in the image below, please and thank you!

Answers

Answer A. It’s 6.4x10^5 otherwise 0.000064 also 1/5^6

SOMEONE, PLEASE HELP I WILL GIVE THA BRAINLIST
The managers at a clothing store determine its prices by using a markup of 8%. If the managers purchase a batch of black shirts for $19 each, what price will they charge their customers?

Answers

Answer:

$20.52

Step-by-step explanation:

19 × 8% = 1.52

1.52 + 19 = $20.52

What is the vertex of the parabola y=2(x-3)^2+5 NEED ANSWER NOWWW

Answers

Answer:

(3,5)

Step-by-step explanation:

Find the area. Round to the nearest hundredth if necessary

Answers

Answer:

138.16

Step-by-step explanation:

a=3.14 x 44

the formula is a=pie x r squared

they have given you diameter so, it is simply pie x diameter

or 3.14 x 44

TS is an angle bisector. If m∠RTS=x+10 and m∠UTS=2x+5, find m∠RTU.

answer choices below

30°30 degrees

15°15 degrees

80°80 degrees

5°

Answers

Answer:

m∠RTS= 15°, m∠UTS= 15°, m∠RTU= 30°

Step-by-step explanation:

Since TS bisects RTS and UTS, that means the two angles are equal to each other. So let's find x first.

x+10=2x+5, subtract x to both sides

10=x+5, subtract 5 to both sides

x=5

Since RTU is basically RTS plus UTS, let's add the two angles together

x+10+2x+5, combine like terms

3x+15

Then we can plug in 5 for x

3(5)+15

15+15

=30

So, RTU is 30 degrees

Answer:

kjndnsadnsdnasnldnkasbdkbaskbjdbLol i dont caewnsnasdHBsadHKUsadkhsdkkbhaSKHChASKUCDKJGCHakbsDKskbhaKHDHU

Step-by-step explanation:

During basketball practice, Mai attended 40 free trows and was successfully on 70% of them. How many successfully trows did she make?

Answers

Answer:

Step-by-step explanation:

40×70% or 40×.7= 28 so 28 is 70% of 40

PLEASE I NEED HELP RIGHT NOW! THANK YOU!

For each equation, tell whether it is always, sometimes, or never true. Explain your reasoning in words.

Answers

Answer:

For d: x=2

Step-by-step explanation:

Lets +1 on both sides so 9+1=10. Now the equation is 5x=10

Divide 10÷5=2

A wise man once said, “400 reduced by 3 times my age is 163.” What is his age? ( I need the step by step equation to solve this)

Answers

Answer: the wise man is 79

Step-by-step explanation:

400 - 3x = 163

400–163 =3x

237 = 3x or 3x = 237 or x = 79…

Pls answer asp!!!! Pls

Answers

Answer:

C I think

Step-by-step explanation:

hope it's correct

Answer:

im 92.2% sure its A because 70 is what he had while 27 is after taking the 18 but i might be wrong so your better off with someone elses answer

Step-by-step explanation:

Given a normal distribution with a mean of 120 and a standard deviation of 12, what percentage of values is within the interval 96 to 144

Answers

Answer:

0.9545

Step-by-step explanation:

Given that :

Mean (m) = 120

Standard deviation (s) = 12

what percentage of values is within the interval 96 to 144

P(96 < x < 144)

P(x < 96)

obtain the standardized score (Z) :

Z = (x - m) / s

Z = (96 - 120) / 12 = - 2

p(Z < - 2) = 0.02275 ( Z probability calculator)

P(x < 144)

obtain the standardized score (Z) :

Z = (x - m) / s

Z = (144 - 120) / 12 = 2

p(Z < - 2) = 0.97725 ( Z probability calculator)

p(Z < - 2) - p(Z < 2) = 0.97725 - 0.02275 = 0.9545

Please help! 35.1 x 8.4 = ??

Answers

Answer:

294.84

should be correct, I used a calculator.

The answer is 294.84

Happy I helped.

You have $500, sale price is $435. How much change will you get

Answers

500-435= 65
I’m sorry if this is wrong it’s two in the morning
I guess this is what college does to u....

Answer:

go to sleep its 11:23 also u will get

$65 dollars pls mark me brainleist

Step-by-step explanation:

Can someone explain thoroughly how I am meant to solve this?

Answers

Answer:

I got x<equal to -11 or x>equal to4

Step-by-step explanation:

x^2+15x+44=0

(x+4)(x+11)=0(Factor left side of equation)

x+4=0 or x+11=0(Set factors equal to 0)

x=−4 or x=−11

Check intervals in between critical points. (Test values in the intervals to see if they work.)

x<−11(Works in original inequality)

−11<x<−4(Doesn't work in original inequality)

x>−4(Works in original inequality)

Answer:

x<−11 or x>−4

Lin is paid $90 for 5 hours of work. She used the table to calculate how much she would be paid at this rate for 8 hours of work 1. What is the meaning of the 18 that appears in the table?.

Answers

Answer:

It was used as the multiplier because the 5 represents the hours she's worked. If she uses the 1/5 graph she will find the unit rate of each time she gets paid an hour.

27.1018494699 round to nearest hundred-thousandth

Answers

Answer:

27.101

Step-by-step explanation:

The sum of Katelynn’s parents' ages is 80. Katelynn’s father is 4 years older than her
mother. Write and solve an equation to determine both her parents’ ages.

Answers

Answer:

Step-by-step explanation:

M=Mum

D=Dad

K=Katelynn

M+D=80

The rest

Please answer this correctly without making mistakes

Answers

Answer:

35% off

Step-by-step explanation:

35% will give him a greater deal

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