What is the constant of proportionality in this proportional relationship?

X: 2 2 1/2. 3. 3 12
Y: 5/2 25/8. 15/4. 35/8

O 4/5
O5/4
O4
O5

What Is The Constant Of Proportionality In This Proportional Relationship?X: 2 2 1/2. 3. 3 12Y: 5/2 25/8.

Answers

Answer 1

In the given set of data, 4/5 is the constant of proportionality in the proportional relationship.

What is constant of proportionality?

When two or more parameters are either directly or indirectly proportional to one another, the relationship is written as a = kb or a = k/b, where k denotes the direction of the relationship between the two variables. The proportionality constant, k, is defined as follows.

The ratio of two proportional values at a constant value serves as the definition of the proportionality constant. When the product or ratio of two variables yields a constant, the relationship between the two is proportional. By comparing the ratio of the two specified quantities, we can calculate the value of the proportionality constant. A direct variation or an inverse variation of this relationship are both possible.

Given

2 : 5/2

2 = (k)5/2

also

3 : 15/4

3 = (k)15/4

This gives us

k = 2 × 2/5

k = 4/5

k = 3 × 4/15

k = 4/5

Thus, In the given set of data, 4/5 is the constant of proportionality in this proportional relationship.

Learn more about constant of proportionality

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Related Questions

Plz help me with this

Answers

B is the correct answer

You have to solve the problem \frac{3}{4}-\frac{1}{8} ​4 ​ ​3 ​​ − ​8 ​ ​1 ​​ . After you make the denominators the same, what do you do?


FOR ALL MY POINTS

Answers

Answer:

If you are doing subtraction with fractions you need to make a common denominator and subtract the numerators from each other

ex. 1/2 - 1/3

make a common denominator (or find the least common multiple)

3/6 - 2/6

subtract the numerators

take 2 from 3 and put that on top.

Solution 1/2-1/3= 3/6-2/6= 1/6

libro de matemáticas 1 de secundaria pag 108

porfavor es para hoy ಠ﹏ಠ​

Answers

con repuesta y todo para mi friend, no mas que las demas no pude contestarlas ya que estava en clase y ahorita estoy haciendo tarea ok

Which equation shows exponential GROWTH?
A) y=.5^x
B) y=.25^x
C) y= 25^x
D) y= .2^x

Answers

c) y = 25^x

explanation

because y increase as x increases

HELP ME!!!!!!!!!!! Its the one in the middle

Answers

Answer:

[tex]\frac{x3(p+5)}{10p(p-1)}[/tex]

Step-by-step explanation:

BRAINLIEST PLEASE

Help me it is an hw due soon please

Answers

Answer:

1st is 1/4 and 2nd is 1/10

Which expression is represented by the model?


4X43
-4X-3
-4x+3

Answers

4x43 im pretty sureeeeeeeeeeeeee
4x43 I think yeppppppppp

Andrei ,Aura,Dorin,și Emilia calculează media geometrică a numerelor √32;3√2 și obțin rezultatele din tabelul:Andrei 6√2.
Aura 4√3.
Dorin 2√6
Emilia6.

Answers

Answer:

this is the way we calculate it ♡♡♡

the number of magazine subscriptions decreases by 8% each year.If there are 225,000 this year,how many will there be 7 years from now

Answers

Answer:

I got 147107

Step-by-step explanation:

If the subscriptions decrease by 8% each year then you would times 225000 by 0.08 then take the number you get from that and subtract it from 225000. And repeat until you get to the seventh year.

What is the positive value of “x”?
x(x+5)=387
Hint: Use the quadratic formula

Answers

Answer:

x= −5−11√13/2, −5+11√13/2

Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.

Exact Form:

x= −5−11√13/2, −5+11√13/2

Decimal Form:

x=17.33053201…,

−22.33053201…

Step-by-step explanation:

x(x+5)=387

Simplify

x(x+5).

x^2+5x=387

Subtract 387 from both sides of the equation.

x^2+5x−387=0

Use the quadratic formula to find the solutions.

−b±√b^2−4(ac)/2a

Substitute the values a=1, b=5, and c= −387 into the quadratic formula and solve for x.−5±√5^2−4⋅(1⋅−387)/2⋅1

Simplify.

x=−5±11√13/2

The final answer is the combination of both solutions.

x=−5−11√13/2, −5+11√13/2

The result can be shown in multiple forms.

Exact Form:

x=−5−11√13/2,−5+11√13/2

Decimal Form:

x=17.33053201…,

−22.33053201…

Hope it is helpful....

Answer:

[tex]\displaystyle x=\frac{-5+11\sqrt{13}}{2}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right  

Distributive Property

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Algebra I

Standard Form: ax² + bx + c = 0Quadratic Formula: [tex]\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}[/tex]

Step-by-step explanation:

Step 1: Define

x(x + 5) = 387

Step 2: Identify Variables

Rewrite

[Distributive Property] Distribute x:                                                               x² + 5x = 387[Subtraction Property of Equality] Subtract 387 on both sides:                  x² + 5x - 387 = 0Part:                                                                                                                 a = 1, b = 5, c = -387

Step 3: Solve for x

Substitute in variables [Quadratic Formula]:                                                [tex]\displaystyle x=\frac{-5\pm\sqrt{5^2-4(1)(-387)}}{2(1)}[/tex][√Radical] Evaluate exponents:                                                                    [tex]\displaystyle x=\frac{-5\pm\sqrt{25-4(1)(-387)}}{2(1)}[/tex][√Radical] Multiply:                                                                                         [tex]\displaystyle x=\frac{-5\pm\sqrt{25+1548}}{2(1)}[/tex][√Radical] Add:                                                                                               [tex]\displaystyle x=\frac{-5\pm\sqrt{1573}}{2(1)}[/tex][Fraction - Denominator] Multiply:                                                                  [tex]\displaystyle x=\frac{-5\pm\sqrt{1573}}{2}[/tex][Fraction - √Radical] Simplify:                                                                        [tex]\displaystyle x=\frac{-5\pm 11\sqrt{13}}{2}[/tex]

(x + 7)^2 – 11 = 0
lesser =
greater =

Answers

Answer:

Lesser = -[tex]\sqrt{11}[/tex] - 7 = -10.317

Greater = +[tex]\sqrt{11}[/tex] - 7 = -3.683

Step-by-step explanation:

I am assuming you are asking for the lesser x solution and greater x solution.

(x + 7)^2 – 11 = 0

(x + 7)^2 = 11

x+7 = ±[tex]\sqrt{11}[/tex]

x = ±[tex]\sqrt{11}[/tex] - 7

Lesser = -[tex]\sqrt{11}[/tex] - 7 = -10.317

Greater = +[tex]\sqrt{11}[/tex] - 7 = -3.683

Answer:

lesser= -14

greater= 0  (:

If the formula for finding the area of a rectangle is A=bh, then how could you describe the formula for finding the area of a triangle

Answers

Answer:

A=LxW

Step-by-step explanation:

Answer:

El perímetro de un triángulo es igual a la suma de sus tres lados.

b   x h

 2

On a triangle, one side measures 4x2−2x and another side measures 2x2 −5x+1. If the perimeter of the triangle is 9x2 + x+6, what is the measure of the third side of the triangle? (Your answer will be an expression)

Answers

Answer:

3x² + 8x + 5

Step-by-step explanation:

Subtract the sum of the 2 given sides from the perimeter, that is

9x² + x + 6 - (4x² - 2x + 2x² - 5x + 1)

= 9x² + x + 6 - (6x² - 7x + 1 ) ← distribute parenthesis by - 1

= 9x² + x + 6 - 6x² + 7x - 1 ← collect like terms

= 9x² + 8x + 5

PLEASE HELP! ANSWER FOR 20 POINTS PLS PLS

Answers

Answer:

5³ = 125

Step-by-step explanation:

5³ = 5 × 5 × 5 = 25 × 5 = 125

Answer:

5³ = 15 because the ³ mean 3 left over 5's like if i had 2² the ² = 2 so 2²=4

5+5+5=15

Answer : 15

The school that Billy Bob goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.

What is the ordered pair of your intersection?

Make sure you use parenthesis and no spaces! example: (5,9)

Answers

Answer:

if your looking for the ordered pair its 8,14....But if you looking for the answer for the prices it

for grandpa 8 dollars

For children 14 dollars

write

S8,C14

Step-by-step explanation:

Litterally the answer is the ordered pair and the answer is on the graph shown in the problem.

HELP I NEED HELP ASAP

A. 5%
B. 0.5%
C. 50%
D. 0.05%

Answers

the answer is A.5% i am not 100% sure thooooo

Answer:

the answer is A.5%

Step-by-step explanation:

Helia invested 4000 AED for 3 years with a compound interest rate of 1.5%, Calculate the worth of her investment at the end of this time period

Answers

4000(1+1.5\100)to the power of 3

what is the area of a square yards of a rectangle with a length of 9 yds and a width of 4 yds?

Answers

[tex]a = lw[/tex]

[tex]a = (9)(4)[/tex]

[tex]a = 36 \: {yds}^{2} [/tex]

Answer:

Here we can understand that the shape is a rectangle as length is not equal to width.

Area of the rectangle in square yards when length is 9 yds and width is 4 yds will be,

Area of Rectangle = LENGTH × WIDTH

⇒ 9*4

⇒ 36 sd yds

Thus the are will be  36 sd yds

Is the absolute value of -29 less than 29?

Answers

Answer:

no

Step-by-step explanation:

The absolute value is EXACTLY 29, so.

I really need help really fast!!!

Answers

Answer:

-3 sqrt 2 or -4.242640687

Step-by-step explanation:

If you give me the correct answer I will give you brainliest plz help

Answers

It’s 1 and 2.
Comment if you need clarification.

Find the area of the semicircle. 10

Answers

Exact Area = 25pi   square units

Approximate Area = 78.5  square units

The approximate value is found using pi = 3.14

====================================================

Explanation:

I think you meant to say "quarter circle" instead of "semicircle".

The area of a full circle with radius r = 10 is

A = pi*r^2

A = pi*10^2

A = pi*100

A = 100pi

But we only want one quarter of this. So we divide the full area by 4

(100pi)/4 = (100/4)pi = 25pi

The exact area in terms of pi is 25pi square units

If we used the approximation pi = 3.14, then we can say 25*pi = 25*3.14 = 78.5 is the approximate area

To get a better approximation, use more decimal digits in pi.

You have 59 total coins in a jar on your nightstand at home. The total amount of money is $12.05. You only have quarters and dimes. How many of each type of coin do you have? (hint - use a different method to write and solve the system).​

Answers

9514 1404 393

Answer:

41 quarters18 dimes

Step-by-step explanation:

When there are two contributors to the mix, it usually works well to let a variable represent the quantity of the larger contributor. Here, that larger contributor is the quarter.

Let q represent the number of quarters. Then 59-q is the number of dimes. The value of the coins, in cents, is ...

  25q +10(59 -q) = 1205

  15q +590 = 1205 . . . . . . . . eliminate parentheses, collect terms

  15q = 615 . . . . . . . . . . . subtract 590

  q = 41 . . . . . . . . . . divide by 15

  59-q = 59 -41 = 18 . . . . . number of dimes

You have 41 quarters and 18 dimes.

5y=2x+5 Y=-x +6
( x, y)

Answers

Answer:

Step-by-step explanation:

6/5 + 2x/5= y

3+ 5y/2 = x

Find the values of the variables in the parallelogram. The diagram is not to scale.

Answers

Step-by-step explanation:

option B is the correct answer of this question.

x = 29, y = 49 and z = 102 .

plz mark my answer as brainlist plzzzz vote me also .

hope this will be helpful to you.

Answer:

B

Step-by-step explanation:

x is 29 because the inverse opposite of angles are the same.

z is 102 because opposite parallelogram angles are the same.

y is 49 through process of elimination.

[tex]\sqrt{2x-3} =5[/tex]

Answers

X=14

How to:
Square both sides then solve the equation

Which of the relations has a domain of {-5, 0, 5}?

A. {(-5, 5), (0, 5), (5,5)}
B. {(0, -5), (0, 0), (0, 5)}
C. {(-5, 0), (0, 5), (1, 0)}

Answers

Answer:

B

Step-by-step explanation:

its that how you would look like if you were anime sorry was looking at your pf. have a nice day

Please help! Will give brainliest!
Options
1/9
1/6
1/4
1/2

Answers

It’s 1/4! Hopes this helps :) if it’s right (I’m pretty sure it is) could I get brainliest please?

Lawrence knows his race car can accelerate from 0 miles per hour to 100 miles per hour in 60 seconds. He assumed the acceleration was constant and created the graph below. If his graph is accurate, what point on the graph would give him the speed of the race car after 30 seconds of accelerating

Answers

Answer:

50 miles at 30 seconds

Step-by-step explanation:

It is that half way point of both the x and the y axis for the first minute of driving

Answer:

Lawrence knows his race car can accelerate from 0 miles per hour to 100 miles per hour in 60 seconds

A community builds a sandbox section and a playground section at one of the local parks. The area of the playground
section is 1,675 square feet. It is 100 square feet more than 4.5 times the area of the sandbox section.
• Write an equation that can be used to determine the area, A. of the sandbox section.
. What is the area of the sandbox section? Show all work.
Enter your equation, answer, and work in the box

Please help worth 25 points

Answers

9514 1404 393

Answer:

A + (100 +4.5A) = 1675A ≈ 286.4 square feet

Step-by-step explanation:

The problem statement tells us that the area of the sandbox and playground together is 1675 square feet. Using A as the area of the sandbox section, the playground section is said to be (100 +4.5A). Then the total area is ...

  A + (100 +4.5A) = 1675 . . . . . . an equation to determine A

  5.5A = 1575 . . . . . . . . . . . . . . . subtract 100, collect terms

  A = 1575/5.5 = 286 4/11 . . . . . divide by 5.5

The area of the sandbox section is about 286.4 square feet.

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