Mathematics Middle School

The population of a town can be modeled by f(x) = 19,820 * 0.98^x. Identify the initial value of the population. Is the population increasing or decreasing? What is the growth or decay factor? How does the population change each year?

Answers

Answer 1

Answer:

all ik is that its increasing i think

Step-by-step explanation:

Related Questions

PLS help me I need help ASAP!!!

Answers

Answer:

4+x=7 this you make a t chart then you (subtract word bank)  4 because of the (addition word bank) sign to get rid of four and keep the variable rember do it to both sides.

4+x l 7

-4    l  -4

    x = 3

Step-by-step explanation:

what is 11/15 +[-7/12 = ?

Answers

Answer: 3/20

Step-by-step explanation:

11/15+(-7/12)=3/20 hope it helped

i will mark you brainly just please help!

Answers

1. Slope: 3 , y int:(0,-4)
2. slope: -1/2, y int: (0,3)

Answer:it a half inch down i then go a little down in then you have to put a dot on the spout in then you wait ill come back for more

Step-by-step explanation:

go to my page

nana plants 3 red roses for every 4 yellow rose bushes in her garden. if she plants 12 red rose bushes, how many yellow will she plant
NUMBER ANSWER ONLY
*WILL GIVE BRAINLY*
#THISISEASY
thnx :)

Answers

16!!!!! Super easy lol good luck
I’m pretty sure it’s 16

23÷201.25 PLEASE ANSWER THIS WITH DECIMALS MEANING EXAMPLE
9.93
THE FIRST DECIMAL IS 9.__ FILL IN THE BLANK
THANK YOU!!

Answers

23/201.25=0.114285715

BRAINLIEST PLZ HELP!!!! Which inequality is represented by this graph?

Answers

Answer:

I think its the last one????

Step-by-step explanation:

Answer:

D.

Step-by-step explanation:

If the circle is filled in that means that it is equal to (the line under the inequality). And the inequality sign is facing the same direction as the graph (which in this case is right) so that means that the inequality sign in facing right!

Hope this helps!

Pls help me! Show your work!

Answers

Scale factor-6 because 4x6=24 5x6=30

Which ordered pair is not a solution of f(x) = 2x + 9?

(7, 23)
(3, 14)
(2, 13)
(0, 9)

Answers

Answer:

The answer is (3,14)

Step-by-step explanation:

Answer:

(3,14)

Step-by-step explanation:

Expand & Simplify

36x^2y^2-144

Answers

i got 36x2 -114 correct me if i’m wrong
Answer: 36x^2y^2 - 5184x^2

Explanation:

(36x^2)(y^2 - 144)
= 36x^2y^2 - 5184x^2

At time t=0 elevator A is 40 feet above the ground . It descends at a rate of 10 feet per second. The height of elevator B is shown in the graph. Which of the following statement is true select all that apply

Answers

Answer:

Elevator A descends at a faster rate than Elevator B

Answer:

Check off:

Elevator B will reach the ground level first (it starts at the same height as elevator a but it is descending faster)

The change in height of both elevators can be represented by linear functions

Step-by-step explanation:

First-person to answer with an explanation get brainiest

Explain how you know these two figures are similar.

Answers

both parallelograms have the same angles and the same sides parallel

hope this helps <3

Answer:

The following is why they are similar

Step-by-step explanation:

They are just put in different positions but they have the same angles making them similar

what is 2x + 20 ≤ 50

Answers

Answer:

x ≤ 15

Step-by-step explanation:

2x + 20 - 20 ≤ 50 -20

2x ≤ 30

2x/2 ≤ 30/2

x ≤ 15

brainliest answer . Help please answer and pls don't answer if you don't understand .

Answers

Answer:

1/2

Step-by-step explanation:

We do change in y over change in x

Formula for Rate of Change on Slope

y2-y1/x2-x1

For Y

We use coordinate (-2, -4)

-4--2

= -2 - -4

= 2

For X

We use coordinate (0, -4)

0 -- 4

= 0 + 4

= 4

Now we put y over x to find the rate of change in slope

2/4, simplified would be 1/2

1/2 please give brainliest

solve the proportion. where necessary, round to the nearest hundredth. 8/2 = x+3/4

Answers

Answer:

x = 13

Step-by-step explanation:

8/2 = (x + 3)/4

~Simplify

4 = (x + 3)/4

~Multiply 4 to both sides

16 = x + 3

~Subtract 3 to both sides

13 = x

Best of Luck!

I know this is a stupid question but can some1 pls tell me if -8 is a rational number or an integer.

Answers

I think it’s an integer?
Its an rational number.

an arts academy requires there to be 3 teachers for every 51 students and 5 tutors for every 45 students. how many students does the academy have per teacher? per tutor? how many tutors does the academy need if it has 90 students? The academy has ___ students per tutor

Answers

Answer:

17 students per teacher, 9 students per tutor. You need 10 tutors if the school had 90 students.

Step-by-step explanation:

51 students divided by 3 teachers = 17 students per teacher.

45 students divided by 5 tutors = 9 students per teacher.

If there are 9 students per tutor 9 * 10 = 90 so ten tutors

MATH HELP PLEASE!!! USA TESTPREP!!

Answers

Answer:

B.) -3

Step-by-step explanation:

Answer:

B -3

Step-by-step explanation:

Solve this linear equation for p.

2.6(5.5p – 12.4) = 127.92

1. Distributive property: 14.3p − 32.24 = 127.92
2. Addition property of equality: 14.3p − 32.24 + 32.24 = 127.92 + 32.24
14.3p = 160.16
3. Division property of equality:
14.3p
14.3
=
160.16
14.3
4. Solution: p =

Answers

Answer:

P = 11.2

Step-by-step explanation

p= 11.2.
maybe brainless??? pls

1. At a temperature of 22oC, a liquid that has a volume of 5 mL. The liquid also has a mass of 3 grams. What is the density of this liquid?

.6 g/mL
1.67 g/mL
15 g/mL

Answers

Answer:

The first option.

Step-by-step explanation:

Use the density formula: p = m/v

M = mass(3); B = volume(5)

3/5 = .6

Hope this helps! Have a nice day!

The first option. You can figure this out by using the formula of density=mass\volume

Evaluate -(7-³)(7⁵)

A. -49
B. 49
C. 1/49
D. - 1/49

Answers

Answer:

A

Step-by-step explanation:

A
Fever hhh hIs the wayhsgsf

Pls help me out, I need to know what value of x makes this equation true

equation: 6(2x – 11) + 15 = 3x + 12

I have already found the answer to this equation (x = 7) but I need to know what value of x makes the equation true.

(If it's 7, my brain just needs a break from stuff, I've been up since 4 in the morning)

Answers

Answer:

x = 7

Step-by-step explanation:

12x - 66 + 15 = 3x +12

12x - 51 = 3x + 12

9x = 63

x = 7

6(2x-11)+15=3x+12
12x-11+15=3x+12
9x=9

X=1

The answer is that x is equal to 1

PLEASE ANSWER! I WILL GIVE 80+ POINTS, BRAINLIEST, A THANKS, 5 STARS, AND A FOLLOW IF YOU ANSWER ALL OF THESE (P.S they all have to do with direct variation):

#1) If y varies directly with x, write an equation for the direct variation. Then find each value. If y = –4 when x = 10, find y when x = 5

#2) If y varies directly with x, write an equation for the direct variation. Then find each value. If y = 12 when x = –15, find y when x = 2

#3) If y varies directly with x, write an equation for the direct variation. Then find each value. Find x when y = 18, if y = 9 when x = 8.

Answers

Answer:

Step-by-step explanation:

1: -2?

2: 17?

3: 16?

ILL MARK BRAINLIST please answer asap

Answers

Answer:

what's the question????

Step-by-step explanation:

Answer:

what do you need help with

Step-by-step explanation:

Please answer this question

Answers

B.


The answer would be B. since the scale factor is smaller then 1 it would be a reduction.
B. I just got done with the test and b is the right answer

A good Mathmatics question

Answers

Answer:

A. Is correct

Step-by-step explanation:

Because Amy solved it correctly and didn't forget to move the place value on and Kevin forgot to move the place value.

Please name me the brainliest thank u

Answer:

A

Step-by-step explanation:

i think I hope this helps

The product of a number and -3, increased by 8 is 20. I need help. >:

Answers

Answer:

-4

Step-by-step explanation:

-3(x)+8=20

-3x=12

x=-4

Which is the best estimate for 6,193 ÷ 48 using compatible numbers.
A. 100
B. 120
C. 150
D. 160

Answers

It would be B. 120 you would usually round up but the closest one to 129.02083 is 130 and since there is no 130 it would be 120

The best estimate for 6,193 ÷ 48 using compatible numbers is 120. Therefore, option B is the correct answer.

Given that, 6,193 ÷ 48.

What is the division?

The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.

Here, the number 6,193 can be rounded off to 6000 and the number 48 can be rounded off to 50.

So, 6,193 ÷ 48

= 6000 ÷ 50

= 120

The best estimate for 6,193 ÷ 48 using compatible numbers is 120. Therefore, option B is the correct answer.

To learn more about the division visit:

https://brainly.com/question/1575906.

#SPJ2

I NEED IT ASAP PLZ AND I NEED THEM ALL ANSWER PLZ

Use the table to answer the questions.

X Y Point
-8 8 L
0 4 M
4 2 N
8 0 P

Calculate the slope between point L and point M using the change in y and the change in x. Show all work in the formula. slope =m =

2) Calculate the slope between point N and point P using the change in y and the change in x. Show all work in the formula. slope =m =

3) Write the letter and ordered pair of the y-intercept.

Answers

Answer:

See below for answers

Step-by-step explanation:

1) Slope is Rise/Run=(y2-y1)/(x2-x1)=(4-8)/(0-(-8))=(-4/8)=-1/2, therefore m=-1/2

2) Slope is Rise/Run=(y2-y1)/(x2-x1)=(0-2)/(8-4)=-2/4=-1/2, therefore m=-1/2

3) The y-intercept is point M because the y-intercept of a function is where the graph will cross the y-axis which also means the y-value when x=0. Therefore, the y-intercept is point M which is (0,4)

1. M=-1/2

2. M=-1/2

3. The y-intercept is point M which is (0,4)

plz help I need this now

Answers

Answer: 1 30.0

3 20

2 8

Step-by-step explanation:

What appears to be the scale factor used to create this dilation?

4
0.5
2
0.25

HELP! I NEED THIS TODAY

Answers

The answer is 0.5


Just take one point from the original shape and one from the transformed one. The just write the ordered pair out. Mine was (3,4) and (1.5, 2) Now in order for you to get from 3 to 1.5 you need to multiply 0.5 so the scale factor that was used is 0.5

Pls mark Braille at
you have a lot of tabs open haha, and i think it’s .5
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