On a recent day 8 euros were worth 9 dollars and 24 euros were worth 24 dollars write an equation of the form y = kx

Answers

Answer 1
Question:

On a recent day, 8 euros were worth $9 and 24 euros were worth $27. Write an equation of the form y = kx to show the relationship between the number of euros and the value in dollars.

Answer:

y = 1.125x is the equation to show the relationship between the number of euros and the value in dollars.

Solution:

Given that On a recent day 8 euros were worth 9 dollars and 24 euros were worth 24 dollars

Let "y" be the value in dollars

Let "x" be the number of euros

We have to write a equation in form of y = kx

8 euros were worth 9 dollars

"k" is found as follows:

[tex]k = \frac{\text{value in dollars}}{\text{number of dollars}}[/tex]

[tex]k = \frac{9}{8}[/tex]

Therefore, equation of y = kx is given as:

[tex]y = \frac{9}{8}x[/tex]

[tex]y = 1.125x[/tex]

To check the equation, use the another given value

24 euros were worth $27

[tex]y = 1.125 \times 24\\\\y = 27[/tex]

Hence the equation y = 1.125x is correct    


Related Questions

pls help me its easy but im lazy

Answers

Answer: Volume = a^4 * b^6

Step-by-step explanation:

Volume = (a^2*b)*(a*b^2)*(a*b^3)

Volume = a^2 * b * a * b^2 * a * b^3

Volume = a^4 * b^6

If the butcher paper is 21 inches long,what is the area of one circle

Answers

Answer:

=[tex]12.25[/tex][tex]\pi[/tex]

Step-by-step explanation:

Given:

Length of  butcher paper,(diameter of three congruent circle) = 21 inches

Means, diameter of a circle = [tex]\frac{21}{3}[/tex] = 7 inches

Questioned asked:

Area of one circle = ?

Solution:

Radius of a circle ,r = half of of one circle's diameter

                           r = [tex]\frac{7}{2}[/tex]

                            = [tex]3.5[/tex]

Area of circle = [tex]\pi[/tex][tex]r^{2}[/tex]

                      [tex]3.5\times3.5[/tex] [tex]\pi[/tex]

                      =[tex]12.25[/tex][tex]\pi[/tex]

                     

  Therefore, Area of one circle   ==[tex]12.25[/tex][tex]\pi[/tex]

17x+6y=17 in slope intercept form

Answers

Answer:

6y = -17x + 17

Step-by-step explanation:

All you have to do for this equation to put it into slope-intercept form is to minus 17x from both sides giving you 6y = -17x + 17 which is the correct form. Then you can simplify by dividing everything by 6 but I'll let you do that.

i think y = -17/6x + 17/6 is the answer

The table compares the initial amount of fuel Li Jing's car had, and the total distance she traveled using that amount, in several different occasions.


Can the total distance be represented as a function of fuel?


Fuel (liters) 1st # , Distance (kilometers) 2nd #

30 100

35 120

40 140

35 120

45 160

25 90

30 100

20 80


Yes or No and why?

Answers

Answer:

answer is yes

Step-by-step explanation:

Final answer:

Yes, the total distance can be represented as a function of fuel. The relationship between the two variables can be represented by a linear function. By calculating the slope and y-intercept of the line, we can determine the equation representing the total distance as a function of fuel. which is y = 4x - 20

Explanation:

Yes, the total distance can be represented as a function of fuel. In this case, the fuel can be considered as the independent variable and the total distance as the dependent variable. By analyzing the table, we can observe that as the amount of fuel increases, the total distance also increases. This relationship can be represented using a linear function, since the data points seem to form a straight line.

A linear function can be written in the form y = mx + b, where y represents the total distance, x represents the amount of fuel, m represents the slope of the line (which indicates how the total distance changes with each unit of fuel), and b represents the y-intercept (which represents the initial distance when there is no fuel).

By calculating the slope of the line using two data points, we can determine the equation of the linear function. For example, using the first and second data points, we can calculate the slope as:

m = (120 - 100) / (35 - 30) = 20 / 5 = 4

With this information, we can write the function representing the total distance as a function of fuel:

y = 4x + b

To determine the value of b (the y-intercept), we can select any data point and substitute the values of x and y into the function. Let's use the first data point:

100 = 4(30) + b

Solving this equation, we find that b = -20.

Therefore, the equation representing the total distance as a function of fuel is:

y = 4x - 20

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A quadrilateral has the following coordinates:

Point A: (4, 7)
Point B: (–4, 7)
Point C: (–4, –7)
Point D: (4, –7)

Enter the length of side CD.

Answers

Answer:

8 units

Step-by-step explanation:

-4 is 4 units from the y-axis

4 is 4 units from the y-axis.

4 + 4 = 8 units

Have a great day :D

A trapezoid was broken into a rectangle and a triangle. A trapezoid is broken into a rectangle and a triangle. The rectangle has a base of 8 centimeters and a height of 6 centimeters. The triangle has a base of 2 centimeters and a height of 6 centimeters. What is the length, b, of the base of the triangle?

Answers

Answer:

4 cm

Step-by-step explanation:

this is the answer on egde:)

Answer: 2

Step-by-step explanation:

I got it right on a unit test review

Carlos bought 5 tickets to a play for a total of
$20. The equation 5c = 20 can be used to find
the cost c in dollars of each ticket. How much
does each ticket cost?​

Answers

Answer:

Each ticket cost 4dollars

I think it would be 4 because you get the cost from dividing 20 and 5. Ps I'm 11

Ramon has 7/8 of a cup of cottage cheese. How many 1/4 cup servings can he make?

Answers

Answer:

Ramon can make 3 1/2 or 3.5 servings of 1/4 of a cup each one

Step-by-step explanation:

1. What information was given to us to answer the question correctly?

Amount of cottage cheese Ramon has = 7/8 of a cup

2. How many 1/4 cup servings can he make?

For answering this question, we make this calculation:

7/8 * 1/4

7/8 * 4/1 = 28/8 = 7/2 or 3 1/2 cup servings

This means that Ramon can make 3 1/2 or 3.5 servings of 1/4 of a cup each one:

1/4 + 1/4 + 1/4 + (1/2 * 1/4) = 7/8

3/4 + (1/2 * 1/4) = 7/8

3/4 + 1/8 = 7/8

6/8 + 1/8 = 7/8

7/8 = 7/8

James took a journey of 1.5 hours duration. He arrived at his destination at 1:10. Calculate the time when he started his journey

Answers

He took an journey of 1 and half hours, there being 60 minutes in an hour and 30 minutes in half and hour he traveled 90 minutes, now that means he left at 11:40am and got there at 1:10pm

Write and solve a word problem to match the equation 6×?=48

Answers

Answer:

Jack has 48 rockets in all. He wants to split them equally into 6 groups. How much rockets do he put into each group?

Let "how much" = x. Set the equation:

x * 6 = 48

(x * 6)/6 = (48)/6

x = 48/6

x = 8

8 groups is your answer.

~

Will mark brainliest and 15 points, please and thank you

Answers

Answer:

Student 3 and Student 4

Step-by-step explanation:

Expand equation of Student 3

y = 2 (x - 1)

y = 2x -2, which is the same equation as student 4.

Mr. Stewart picked 1/2 of a pound of berries. He divided them evenly among 4 containers. How many pounds of berries did Mr. Stewart put in each container?

Answers

Answer:

1/8 pound

Step-by-step explanation:

    (1/2)/4 = 1/8

or  (1÷2)÷4 = 0,125

A bank offers a CD that pays a simple interest rate of 6​%. How much must you put in this CD now in order to have ​$11 comma 700 to replace all the windows in your house in 5 ​years?

Answers

Answer:

You should invest US$ 9,000 in the CD to replace all the windows in your house.

Step-by-step explanation:

Let's recall that the simple interest formula is:

A = P * (1 + r * t), where,

A  = final amount

P = initial principal balance

r = annual interest rate

t = time (in years)

Replacing with the real value, we have:

11,700 = P * (1 + 0.06 * 5)

11,700 = P * (1.3)

P = 11,700/1.3

P = 9,000

You should invest US$ 9,000 in the CD to replace all the windows in your house in 5 years.

Final answer:

To calculate the initial deposit for a CD with a 6% simple interest rate in order to have $11,700 in 5 years, you can use the simple interest formula. The formula is rearranged to solve for the initial deposit amount: P = I / RT, where 'P' is the initial deposit, 'I' is the desired amount, 'R' is the interest rate, 'T' is the CD term.

Explanation:

The subject of the question is about how much initial deposit you must put into a CD with a simple interest rate of 6% in order to have $11,700 in 5 years. You can find this out by using the formula for simple interest, which is I = PRT. 'I' is the interest, 'P' is the principal amount (what you want to find out), 'R' is the rate of interest, and 'T' is the time in years.

Since you want to find out 'P' (the principal amount), you'd rearrange the formula to P = I / RT. Now you substitute 'I' with $11,700, 'R' with 0.06 (6% expressed as a decimal), and 'T' with 5 years. So, P = $11,700 / (0.06 * 5). From this calculation, you'll be able to determine how much money you need to deposit now into your CD to reach your goal.

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31. What is the value of x? 11 3 6 12

Answers

Answer:none of the above

Step-by-step explanation:

Noah was assigned to make 64 cookies for the bake sale. He made 125% of that number. 90% of the cookies he made were sold. How many of Noah’s cookies were left after the bake sale?

Answers

He made a total amount of 80 cookies. He then sold 72 of those cookies.


Explanation:
125% of 64 is equal to 80.
90% of 80 is equal to 72.

Answer:

  8

Step-by-step explanation:

The number left was 10% of the number he made. The number he made was 125% of 64, so the number left was ...

  10% × 125% × 64 = 0.125 × 64 = 8

8 of Noah's cookies were left.

There are 1,087 souvenir paperweights that need to be packed in boxes. Each box will hold 11 paperweights. How many boxes will be needed? boxes will be needed to hold all the souvenir paperweights.

Answers

Answer:

99 boxes (98.8181818182 rounded)

Step-by-step explanation:

All you do is divide 1087 by 11 and then round, 98 full boxes and 1 not totally full

Help ASAP ! Please !!!

Answers

Answer:

Step-by-step explanation:

Volume = 4/3πr³

= 4/3*22/7*7*7*7

= 4*22*7*7*7/3*7

=4*22*7*7/3= 4312/3

= 1437.3 cm³

A spiner with 12 equally sized slices is shown below. The dial is spun and stops on a slice at random. What is the probability that the dial stops on a white slice?
Write your answer in simplest form.

Answers

Answer:

The probability that the dial stops on a white slice = 1/12

Step-by-step explanation:

To determine:

What is the probability that the dial stops on a white slice?

Fetching Information and Solution Steps

Spinner having the number of equal slices = 12The dial is spun and stops on a slice at random.

As there are 12 equally sized slices of a spinner. So, the probability  that the dial stops on a white slice is 1 out of 12 chances.

Therefore, the probability that the dial stops on a white slice = 1/12

Keywords: probability, chance

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Evaluate the expression when y=-6.
y² + 7y - 5

Answers

Answer is -11 hope this helps
Final answer:

When y is equal to -6, the evaluation of the formula [tex]y^2 + 7y - 5[/tex] is -11.

Explanation:

In order to assess this mathematical statement when y=-6, we substitute -6 for y in the expression y² + 7y - 5.

In the expression, swap out y for -6. This gives us (-6)² + 7(-6) - 5.Total up each component. 36, 42, and 5 are the results. Addition and subtraction are to be done left to right. 36 - 42 therefore equals -6, and -6 - 5 equals -11.

This evaluation's outcome is a score of -11.

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which angle is supplementary to DFA?​

Answers

Answer:

<AFB

Step-by-step explanation:

Supplementary angles are the angles that's sum up to 180° which is called a straight angle.

In this question we see AFB is supplementary to DFA for DFB is the straight angle.

The graph of the function f(x) = -(x + 3)(x - 1) is shown
below.

Answers

Answer: i think the answer is A

Step-by-step explanation:

dont quote me

if 8 students have cell phones and two don’t what’s the percentage of high school freshman that don’t have a cell phone?

Answers

Answer:

75%

Step-by-step explanation:

If 3/4 = x/8, then x is equal to __.

Answers

Answer:

6

Step-by-step explanation:

if 3/4 = x/8 then x = 6 because you have to multiply 4 by 2 to get 8. in the same way 3×2 = 6

plz give me brainliest, i just need 3 more until expert plz plz plz

(Compound inequalities)
Solve for x.
-8x + 3 ≥ 27 and -13x + 5 ≥ 57
Choose 1 answer:
A: x ≤ -4
B: x ≤ -3
C: -4 ≤ x ≤ -3
D: There are no solutions
E: All values of x are solutions

Answers

Answer:

C: -4 ≤ x ≤ -3

Step-by-step explanation:

-8x + 3 ≥ 27

x ≤ -3

-13x + 5 ≥ 57

x ≤-4

It’s A y’all mad goofy for choosing C

X < -4

Each bag of candy the factory makes contains 120 pieces of chocolate candy. This week, the factory produced 1800 pieces. Solve the equation below for p to find the number of bags of candy the factory produced. 120p = 1800

Answers

Answer:

15 bags

Step-by-step explanation:

120p = 1800

p = 1800/120 =180/12 = 15

Final answer:

To find the number of bags of candy produced, divide 1800 by 120 to get p, which results in p = 15, indicating the factory made 15 bags of candy.

Explanation:

The student is asked to solve the equation 120p = 1800 for p to find out the number of bags of candy the factory produced. In order to find p, we need to perform algebraic operations to isolate the variable on one side of the equation. Here's the step-by-step solution:


 Start with the equation: 120p = 1800.
 Divide both sides of the equation by 120 to solve for p: p = 1800 / 120.
 Perform the division: p = 15.

Therefore, the factory produced 15 bags of candy.

Help quick!.................

Answers

Answer: D.

Step-by-step explanation:

I think its d because there all equally apart and proportionate

Use the Distributive
Property to express
28 + 56

Answers

Answer:

Use the distributive property to express a sum of two whole numbers 1–100 with a common factor as a multiple of a sum of two whole numbers with no common factor.

For example, express 36 + 8 as 4 (9 + 2).

Here’s another one thank u all for helping me. I really appreciate it!

Answers

C = circumference of circle with radius r

C = 2*pi*r

C = 2*3.14*3500

C = 21,980

C = 22,000 rounding to 2 significant figures (3500 is also 2 sig figs)

Answer is choice C

WILL AWARD 100 POINTS PLUS BRAINLIEST IF RIGHT

The function represents the number of specialty items produced at the old factory w weeks after a change in management. The graph represents the number of specialty items produced at the new factory during the same time period.
During Week 0, how many more specialty items were produced at the old factory than at the new factory? Explain.

Find and compare the growth rates in the weekly number of specialty items produced at each factory. Show your work.

When does the weekly number of specialty items produced at the new factory exceed the weekly number of specialty items produced at the old factory? Explain.

Answers

a)

During week 0, the number of specialty items produced at the old factory than at the new factory is 33

b)

Old factory

The growth rate from week 0 to week 1 is 20.

The growth rate from week 1 to week 2 is 22.

New factory:

The growth rate from week 0 to week 1 is 30.

The growth rate from week 1 to week 2 is 32.

c)

The weekly number of specialty items produced at the new factory exceeds the weekly number of specialty items produced at the old factory

in week 4.

What is a function?

A function has an input and an output.

A function can be one-to-one or onto one.

It simply indicated the relationships between the input and the output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

Old factory:

f(x) = 223 (1.09)^x

When x = 0,

f(0) = 223(1.09)^0 = 223(1) = 223

In zero weeks, the number of specialties produced is 223.

When x = 1,

f(1) = 223(1.09)^1 = 243.07 = 243

When x = 2,

f(2) = 223(1.09)^2 = 265.32 = 265

When x = 3,

f(3) = 223(1.09)^3 = 290.41 = 290

When x = 4:

f(4) = 223(1.09)^4 = 318.53 = 318

New factory:

(0, 190), (1, 220), (2, 252), (3, 290), (4, 337)

This means,

(0, 190)

In zero weeks, the number of specialties produced is 190.

Thus,

a)

During week 0, the number of specialty items produced at the old factory than at the new factory.

= 223 - 190

= 33

b)

The growth rates in the weekly number of specialty items produced at each factory.

Old factory:

The growth rate from week 0 to week 1 = (243 - 223)/(1 - 0) = 20/1 = 20

The growth rate from week 1 to week 2 = (265 - 243)/(2 - 1) = 22/1 = 22

New factory:

The growth rate from week 0 to week 1 = (220 - 190)/(1 - 0) = 30/1 = 30

The growth rate from week 1 to week 2 = (252 - 220)/(2 - 1) = 32/1 = 32

c)

The weekly number of specialty items produced at the new factory exceeds the weekly number of specialty items produced at the old factory

in week 4.

i.e

f(4) = 223(1.09)^4 = 318.53 = 318

(4, 337)

318 < 337

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Answer: if your question is the same as mine, it should be correct!

Step-by-step explanation:

(a) 40 more specialty items, as 230 (initial value at the Old Factory) minus 190 is 40.

(b) y2 – y1/x2 – x1

252-220/2-1

32

(c) The new factory seems to have a faster production rate.

(d) Week 3 is the week when the production is faster at the New Factory.

p(w)=230(1.1)^w

p(w)=230(1.1)^3

p(w)=230(1.33100)

p(w)= 306.13

At week 3 for the Old Factory, it seems that there is less production happening than the 3rd week at the New Factory.

hopefully this helped :3


On Tuesday, a local hamburger shop sold a combined total of 600 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the
number of hamburgers sold. How many hamburgers were sold on Tuesday?

Answers

Answer:

Step-by-step explanation:

h + c = 600

c = 3h

now we sub

h + 3h = 600

4h = 600

h = 600/4

h = 150 <=== hamburgers sold on Tuesday

c = 3h

c = 3(150)

c = 450....and 450 cheeseburgers sold

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