According to the rule of 72, in about how many years will $80 be worth $40 if the rate of inflation is 3%? A. 6 years B. 12 years C. 48 years D. 24 years​

Answers

Answer 1

Answer:

24 years  answer is D

Step-by-step explanation:


Related Questions

three times a number subtracted by 3 is 20

Answers

Answer:

3x - 3 = 20

Step-by-step explanation:

Times is a word that represents multiplication. A number can be represented by x.

3x - 3 = 20

Solving this:

3x - 3 = 20     1. Add 3 on both sides

3x = 23           2. Divide by 3 on both sides

x = 7 2/3

help me asap mathematics 7th grade

Answers

Answer:

The pizza is 8.99 per pizza.

Step-by-step explanation:

Please help!!! Graph the line with slope −1 and y-intercept 3

Answers

This is what I got when i graphed it.

Maria has two routes, E and W, she can take when commuting to work. Both routes go through a railroad crossing, and sometimes she needs to stop at the crossing to allow trains to pass. She claims that the proportion of times she needs to stop when taking route E is different from the proportion of times she needs to stop when taking route W. She conducted the following hypothesis test at the significance level of α=0.10.

H0: pE=pW
Ha: pE≠pW
In the hypotheses, pE represents the proportion of times she needs to stop at the crossing when using route E, and pW represents the proportion of times she needs to stop at the crossing when using route W.

All conditions for inference were met, and the resulting p-value was 0.37. Which of the following is the correct decision for the test?


The p -value is less than alpha , and the null hypothesis is rejected. There is convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.

The p -value is greater than alpha , and the null hypothesis is not rejected. There is convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is the same for the different routes.

The p -value is greater than alpha , and the null hypothesis is rejected. There is not convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.

The p -value is greater than alpha , and the null hypothesis is not rejected. There is not convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.

The p-value is greater than α, and the null hypothesis is rejected. There is convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.

Answers

Answer:

The p-value is greater than α , and the null hypothesis is not rejected. There is not convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.

Step-by-step explanation:

The claim is not supported. Since 0.37>0.10, the null hypothesis is not rejected. There is not convincing statistical evidence that the proportion of times she needs to stop at the crossing is different for the different routes.

-3x + 5.5x + 4 = 7.2

Answers

Answer:

1.28

Step-by-step explanation:

x = 1.28

John used 5/6 of a tank of gas each day while traveling to the Super Bowl. He drove for 9 days in a row . How much gas did he use in all.

Answers

Answer:

7 1/2 tanks of gas

Step-by-step explanation:

5/6 • 9

= 45/6

Simplify.

7 1/2 tanks of gas in all

Answer:

7 1/2

Step-by-step explanation:

5 times 9 is 45. 45/6 simplified is 7 3/6 or 7 1/2

Find the tip:
A $32 meal with a 15% tip
Tip = $ ____​

Answers

Answer:

$4.80

Step-by-step explanation:

$32 × 0.15 = $4.80

How do you write 6 = h(2) as an ordered pair?

Answers

In order pair it is written as (2,6)
(2,6) hope this helps you your welcome

A $90 dress is on sale 50% off, then an additional 10% off the marked-
down price. How much is the dress after both savings?

Answers

$41.5 is the answer
90*0.5=45
45*0.1=4.5
45-4.5=41.5

Arithmetic sequence of -10,8,26

Answers

Answer:

the sequence is going up by 18

WASTING ALL MY POINTS FOR THIS TO BE ANSWERED!
CORRECT answers will get BRAINLY points.
BRAINLIEST will get awarded.

Answers

u have to subtract the new number by the discount and get your and wet

Answer:

I cannot see the question because of my chromebook. ima quess eleventeen

Step-by-step explanation:

HELP ME PLS!!! ill give brainlist, and don’t give me no wrong answerr

Answers

Answer:

There's no question attached or written out...

Step-by-step explanation:

So yeah....

pls help

Solve the following system of equations for y using elimination:

6x – 12y = 24
-X – 6y = 4

A. -6
B. 0
C. -1
D. 4

Answers

Answer:

C

Step-by-step explanation:

what is the answer to
4 over x = 5 over 9

Answers

Answer:

Step-by-step explanation:

Answer:

x = 36/5, x = 7 1/5, x = 7.2

Step-by-step explanation:

4/x = 5/9

36 = 5x

5x = 36

divide both sides by 5

x = 36/5.

Find the area of a triangle with the following sides

Answers

Step-by-step explanation:

step 1. The easiest way is to use Herons formula.

step 2. s = (a + b + c)/2 = (3 + 5 + 6)/2 = 7

step 3. A = sqrt(7(7-4)(7-5)(7-6))

step 4. A = sqrt(7(3)(2)(1))

step 5. A = sqrt(42)

step 6. A = 6.4807 = 6.5cm^2.

Identify the model that shows 2 items being divided equally among 3 people. How much will each person have?

Answers

Based on the question, each person will have 2/3 of the item

Ratios and Proportion

From the given information, we are told that 2 items are being divided equally among 3 people. This can be expressed as:

2 items = 3 people

For each person;

x = 1 person

Take the ratio to have:

2/x = 3/1

3x = 2

x = 2/3

This shows that each person will have 2/3 of the item

Learn more on ratio here: https://brainly.com/question/2914376

Answer:

2/3  

Step-by-step explanation:

The yellow one with red.

Go to Canvas to watch an instructional video and complete the assignment. After watching the video and uploading the assignment found in Canvas, write a 2-3 sentence reflection sharing a success or challenge you had with this assignment.

Answers

This is simply what I wrote for my assignment, sorry I am a bit late.

It was confusing when she took out the negative and postive pairs, but then I soon knew that the negative tiles are like subtracting positive tiles. Then once she got the total I was amazed with how easy it was to find out the value of x.

hope this helps! <3

math i need this for. right nowww

Answers

Answer:

y= 4x+3

Step-by-step explanation:

Slope intercept is y=mx+b, with m being slope and b being the y intercept. 4 is the slope, 3 is the y intercept

If 7x−2+5x−12+3 is simplified, which description best matches the equivalent expression

Answers

12x-11 boom your welcome

Write an equivalent expression by distributing the "-−" sign outside the parentheses:
-(-1.5q+5r)+2

Answers

Answer:

1.5q - 5r = 2

Step-by-step explanation:

All you need to do here is negate each term inside the brackets, which allows you to get rid of the minus sign and the brackets.

-(-1.5q + 5r) = 2

is exactly the same as saying:

-1 × (-1.5q + 5r) = 2

And if we multiply each term in the brackets by negative one, we get:

(1.5q - 5r) = 2

And now the brackets can go, leaving you with:

1.5q - 5r = 2

I need help with this please

Answers

Answer:

x + 12 ft

Step-by-step explanation:

Area = base times height.  Here we know the area (x^2 + 9x - 36) and the width (x - 3).  Since area = length times width, divide the given area by x - 3.

x^2 + 9x - 36 factors into (x - 3)(x + 12).

Dividing this result by x - 3 yields the length:  x + 12 ft

alicia has 428 candies she is putting them in portion cups for a party if she uses 30 candies in a cup how many portion cups can she fill?

Answers

she can fill 14 cups up full

I NEED HELP NOW PLEASE
What is the slope of the line?

Answers

Answer: Slope, sometimes referred to as gradient in mathematics, is a number that measures the steepness and direction of a line, or a section of a line connecting two points, and is usually denoted by m. Generally, a line's steepness is measured by the absolute value of its slope, m.

Step-by-step explanation:

Answer:

slope = [tex]\frac{7}{4}[/tex]

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 1, - 3) and (x₂, y₂ ) = (3, 4) ← 2 points on the line

m = [tex]\frac{4-(-3)}{3-(-1)}[/tex] = [tex]\frac{4+3}{3+1}[/tex] = [tex]\frac{7}{4}[/tex]

What is the positive solution to the equation 3x2 + 31 = 912
A 10.95
B 8.51
8.36
D 7.75
E 4.47

Answers

Answer:

E) 4.47

Step-by-step explanation:

3x²+31=91

3x²=91-31

3x²=60

x²=60÷3

x²=20

x=√20

x=4.47

Answer:

4.47

Step-by-step explanation:

the only rational answer for this is 4.47 because once you solve as much as you can, you should end up with a whole number multiplied by a square root. the decimal form of that  number is 4.47

I need the answer please?

Answers

Answer:

84

Step-by-step explanation:

[tex]7 + (15 - 5) \times (10 - 6) \times \frac{1}{2} + 5 \times 10 = 84[/tex]

Answer:

The answer is 84 inches Squared!

Step-by-step explanation:

Here is the explanation to the answer:-

All you have to do is divide the whole figure into some parts!

Here is what I have divided the figure into.

The triangle area is 1/2 * L*H

The measurements are 1/2 * 4*3 = 6in Squared.

                         ( The Next Shape To The Triangle)

 Rectangle area is L*B

The Measurements are 4*7 = 28inches Squared.

                          (The next shape to the rectangle)

Rectangle area is L*B

Measurements are 5*4 = 20inches squared.  

                                    (Above Shape of the rectangle)

Area of rectangle is L*B

Measurements are 6*5 = 30 Inches Squared.

    Now, add all the areas of the figure:-

6 + 28 + 20 + 30 = 84 Inches Squared.

Thanks, and hope this helps.

Natural logs are the inverse of the_______
function e


A. Rational

B. quadratic

C. Exponential

D. Linear

Answers

Answer:

c i think

Step-by-step explanation:

C. Exponential I believe So

2y-6+5y+9 * pls dont have much time i will give you branlts

Answers

Answer:

7y + 8 is the simplified answer

Hope this helps  

What is the answer to y + 6 = 20

Answers

Answer:

y=20-6=14

Step-by-step explanation:

14 is the answerrrrrr...

How many pieces of ribbon having length of 50cm will make 1 meter?
option a (4 pieces )
option b( 3 pieces)
option c ( 2 pieces)

Answers

Answer:

option c

Step-by-step explanation:

one meter is 100 centimeters

Can someone please help me with this

Answers

Answer:

1)  any positive value other than 8

2) 8

3) impossible, both equation have the smme slope

Other Questions
what wars led to the decline of the ottoman empire When observing an organism's phenotype, how can we predict thegenotype? factorise 49m-84mn+36n using the identity x+(a+b)x+ab=(x+a)(x+b) The slope below the line is -1/7. Write a point-slope equation of the line using the coordinates on the labeled point. A company that manufactures air-operated drain valve assemblies currently has $100,000 available to pay for plastic components over a 5-year period. If the company spent only $52,000 in year 1, what uniform annual amount can the company spend in each of the next 4 years to deplete the entire budget Does anyone know the answer? If so how did you get the answer. A. Dan should hope his flight uses configuration B.B. Dan should hope his flight uses configuration A.C. Dan is equally likely to get an aisle seat with whichever configuration his flight usesD. There is not enough information to determine which configuration Dan should hope his flight uses PLEASE HELP ME, ANSWER ONLY IF YOU KNOW AND IF YOU CAN ADD THE EQUATION(Whoever adds the equation and it seems correct will earn brainliest.) A group of friends wants to go to the amusement park. They have no more than $175 to spend on parking and admission. Parking is $12.50, and tickets cost $16.25 per person, including tax. Write and solve an inequality which can be used to determine xx, the number of people who can go to the amusement park. Ms. O'Rourke has graded 20% of her 150 students'papers. How many papers does she still need to finishgrading? Write the complementary RNA strand for the following DNA strand. TAC ACC TTG ACG If f(7) = 22, thenf^-1(22) = [?] How might a newspaper try to get more people's attention by making a newsstory appear more important than it really is?A. Newspapers may only use the facts.B. Newspapers may write longer stories.C. Newspapers may use bigger photos.D. Newspapers may practice sensationalism. Which ordered pair is the solution of the systemgraphed below? Find the unit rate. Enter your answer as a mixed number. 7 1 A fertilizer covers 8 square foot In = hour. The unit rate is square feet per hour. First used at the Battle of the Somme, Britain pioneered the use of _____________ in World War I to cross rough battlefield terrain. Group of answer choices airplanes machine guns tanks chemical gas Alexa's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 100 teas in all, 50 of which were caffeinated. What percentage of the teas were caffeinated? Which sentence contains a pronoun with a vague or ambiguous antecedent?A.Roger asked his friend for help moving the dresser.B.Jessie was pleased when she got an A on the test.C.Mitch put popcorn in the bowl and then ate it.D.Dan and Mia visited their grandmother last week. the load riquirment in your plan is 60 psf at a jiost spacing of 16 inches. if the room dimensions are length 13 feet 2 inches and width 11 feet and 7 inches, are 2x10 boards apporiate HELPPPPPPPPPPPPPPPPPPPPPPP PLEASE GUYS I BEG YOU BRAINLIST AND 40 POINTSONE IMAGE AND ONE QUESTIONFIND X Where____(am) you ___(bear)? I__(am)__(bear) in__(your country).