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3 years ago

Describe the steps you would take to draw a graph

Mathematics

2 answers:

Zigmanuir [339]3 years ago

8 0

Step-by-step explanation:

well first it would depend on what type of graph it is. If the graph is a bar graph you would have to take notes on what you want to find and the numbers you need to use. You would start by labeling what you are trying to find. You then are going to put down the numbers you need to use on the y-axis and x-axis. You will then graph/shade the data you collected

You could also use a tally chart. You would start by drawing a square/rectangle. you would write a line straight down the middle of the square/rectangle. On the left side you would put what you are trying to mark down. If it is more than one thing make more lines horizontal.You would then go to the right side of your now so called "graph". You would then put tally marks on the small squares/rectangles to represent the amount of each box.

Fynjy0 [20]3 years ago

5 0

Answer:

Step-by-step explanation:

Step 1: Identify the variables. ...

Step 2: Determine the variable range. ...

Step 3: Determine the scale of the graph. ...

Step 4: Number and label each axis and title the graph.

Step 5: Determine the data points and plot on the graph. ...

Step 6: Draw the graph.

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A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 7 vinegar, and the second brand con

SOVA2 [1]

Answer:

78 ml of 7% vinegar and 312 ml of 12% vinegar.

Step-by-step explanation:

Let x represent ml of 7% vinegar brand and y represent ml of 12% vinegar brand.

We have been given that chef wants to make 390 milliliters of the dressing. We can represent this information in an equation as:

$x+y=390...(1)$

$y=390-x...(1)$

We are also told that 1st brand 7% vinegar, so amount of vinegar in x ml would be $0.07x$ .

The second brand contains 12 vinegar, so amount of vinegar in y ml would be $0.12y$ .

We are also told that the chef wants to make 390 milliliters of a dressing that is 11% vinegar. We can represent this information in an equation as:

$0.07x+0.12y=390(0.11)...(2)$

Upon substituting equation (1) in equation (2), we will get:

$0.07x+0.12(390-x)=390(0.11)$

$0.07x+46.8-0.12x=42.9$

$-0.05x+46.8=42.9$

$-0.05x+46.8-46.8=42.9-46.8$

$-0.05x=-3.9$

$\frac{-0.05x}{-0.05}=\frac{-3.9}{-0.05}$

$x=78$

Therefore, the chef should use 78 ml of the brand that contains 7% vinegar.

Upon substituting $x=78$ in equation (1), we will get:

$y=390-78$

$y=312$

Therefore, the chef should use 312 ml of the brand that contains 12% vinegar.

4 0

3 years ago

A firm has a revenue function that can be represented by r (x)=700x-0.35x^2, where r (x) is the total revenue (in dollars) and x

Fudgin [204]

Answer:

How many units need to be sold to produce the maximum revenue? 1000 units

How many in dollars is the maximum revenue when the maximum of units are sold? $350,000

Step-by-step explanation:

We get max value of a function if we differentiate it and set it equal to 0.

We need to differentiate r(x) and set it equal to 0 and solve for x.

That would be number of units sold to get max revenue.

Then we take that "x" value and substitute into r(x) to get the max revenue amount.

Before differentiating, we see the rules shown below:

$f(x)=ax^n\\f'(x)=n*ax^{n-1}$

Where

f'(x) is the differentiated function

Now, let's do the process:

$r (x)=700x-0.35x^2\\r(x)=700-2*0.35x\\r(x)=700-0.7x\\0=700-0.7x\\0.7x=700\\x=1000$

So, 1000 units need to be sold for max revenue

Now, substituting, we get:

$r (x)=700x-0.35x^2\\r(1000)=700(1000)-0.35(1000)^2\\r(1000)=350,000$

The max revenue amount is $350,000

5 0

3 years ago

Parts of New Orleans is currently below sea level and continues to sink each year. NASA images shows that one part of the city i

I am Lyosha [343]

Step-by-step explanation:

The Mathematical expression would be given as:

- (70 + 2n)

Where n represents any given year.

Negative sign is taken as it symbolises depth below sea level.

4 0

3 years ago

What is the first step in solving the following system of equations? 3 x + y = 23. 8 x + 2 y = 23. Substitute the value of y fro

Taya2010 [7]

Answer:

Step-by-step explanation:

Our system of equations is:

3x + y = 23

8x + 2y = 23

If we want to use substitution, that means that we essentially want to manipulate one of the two equations so that one variable (like y) is written in terms of the other (like x), and then substitute that expression into the second equation so that we have one variable and one equation and we can easily solve from there.

So the first thing to be done is to write one of the variables in terms of the other. It would be easiest to do it with the first equation and write y in terms of x - in other words, "solve the first equation for y".

The answer is B.

5 0

3 years ago

Read 2 more answers

Given no other restrictions what are the domain and range of the following function f(x)=x^2-2x+2

zmey [24]

Answer:

R= {y|y>=1}

Step-by-step explanation:

D = all real numbers R= {y|y>=1}.

All polynomials have domain of all real numbers.

For the range, the vertex format is useful;

Y= (X-1)^2 + 1

Since (X-1) is never less than zero, Y>=1.

That is where the vertex is, at Y=1

4 0

3 years ago