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sergeinik [125]
1 year ago
14

A cafeteria serves lemonade that is made from a powdered drink mix. There is a proportional relationship between the number of s

coops of powdered drink mix and the amount of water needed to make it. For every 2 scoops of mix, one half gallon of water is needed, and for every 5 scoops of mix, one and one fourth gallons of water are needed.
Part A: Find the constant of proportionality. Show every step of your work.

Part B: Write an equation that represents the relationship. Show every step of your work.

Part C: Describe how you would graph the relationship. Use complete sentences.

Part D: How many gallons of water are needed for 12 scoops of drink mix?
Mathematics
1 answer:
ZanzabumX [31]1 year ago
7 0

Therefore ,the constant of proportionality comes out to be 4 and the equation that represents the relationship is x=1/4y.

<h3>What is equation?</h3>

Since equations are essentially questions, efforts to systematically find answers to those questions have been the driving force behind the development of mathematics. From straightforward algebraic equations that just require addition or multiplication to differential equations, exponential equations that use exponential expressions, and integral equations, there are many different types of equations that range in complexity.

Here,

scoop is represented as x and water is represented as y

therefore, For every 2 scoops of mix, one half gallon of water is needed, and for every 5 scoops of mix, one and one fourth gallons of water are needed.

Equation from the given data is

2x = 1/2y or x=1/4y

and

5x = (1+1/4)y

5x=5/4y

So,

x=1/4y.

Therefore ,the constant of proportionality comes out to be 4

The equation that represents the relationship is x=1/4y.

We can graph the plot by using the given equation x=1/4y

or 4x=y

so for every x value we have to put 4 times its value into y for every point

you point in the graph.


To know more about equation , visit

brainly.com/question/12788590

#SPJ1

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Hurry for Brainlist =Accurate Answer
cluponka [151]

Step-by-step explanation:

the second line has to be parallel (but not identical), so that the 2 lines do not cross each other, do not have any point in common.

that means it must have the same slope but a different y-intercept.

the line in the graph goes through the origin (0, 0), which makes the y-intercept = 0 (the y value when x = 0).

and we see that the points with integer coordinates seem to be e.g. (3, -2).

so, for the slope (y difference / x difference between 2 points) we use this point and the origin.

x changes by +3 (from 0 to 3).

y changes by -2 (from 0 to -2).

so, the slope is -2/3. and it is always the factor of x.

let's look at the answer options :

2x + 3y = 0

3y = -2x

y = (-2/3)x

this is the identical line, so it is wrong !

2x + 3y = 6

3y = -2x + 6

y = (-2/3)x + 2

the same slope and different y-intercept.

this is the correct solution !

2x - 3y = 9

-3y = -2x + 9

y = (2/3)x - 3

wrong slope. so it is wrong !

y = 3x + 2

wrong slope. so it is wrong !

5 0
3 years ago
Simplify -5(20 + 3).
sammy [17]
Whenever a number is beside a parenthesis without a sign it means multiplication. So you would use PEMDAS work in parenthesis then exponents, multiplication (from left to right) addition and subtraction (from left to right). so you would add 20+3 and get 23 then multiply that by -5 to get -115 as your answer.
4 0
3 years ago
Read 2 more answers
Please help really needed
Sholpan [36]
Your correct answer is c.
4 0
3 years ago
HELP PLEASE IM ALMOST DONE I WILL MARK BRAINLIEST
gulaghasi [49]

Answer:

y = 94

x = 86

Step-by-step explanation:

brainliest plz

7 0
3 years ago
Find the value of 9u-2 given that -7u-7=7 ?
Yuliya22 [10]

Answer:

-20

Step-by-step explanation:

when you solve:  -7u-7=7, you get u= -2 and when you plug it in you get this equation 9(-2)-2=?

then you get -20

4 0
2 years ago
Read 2 more answers
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