The experimental probability of drawing the cards, 2, 3, or 4, from the deck of 52 cards, with the frequency obtained from 200 draws is about 15.5%
What is an experimental probability?An experimental probability is the probability of a specified event taking place, based on repeated trials or sampling.
The number of draws Rayna drew from the standard deck of cards = 200 draws
The frequency of the cards drawn, obtained from the frequency table are;
Frequency of 2 = 8
Frequency of 3 = 12
Frequency of 4 = 11
The experimental probability of drawing a card that has a value of 2 or a card that has a value of 3 or a card that has a value of 4 is therefore;
P(2, 3, 4) = (Frequency of 2 + Frequency of 3 + Frequency of 4)/The total number of draws Rayna drew
P(2, 3, 4) = (8 + 12 + 11)/200 = 0.155 = 15.5%
The experimental probanbility of drawing a 2, or a 3, or a 4 is therefore; 15.5%Learn more on experimental probabilities here: https://brainly.com/question/29070862
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If a musician uses his credit card to pay for a new violin that cost 2900 and does not pay on it until the second month what will the 3. 35% monthly interest charge be at the end of the first month show your work and how you got your answer
The formula to calculate interest charge when the musician does not make any payments for one month is Interest = Principal * Rate * Time. Using the given values, the interest charge for the first month is $97.15, making the total owed amount at the end of the first month $2,997.15.
If the musician does not make any payments for one month, the amount owed will accumulate interest. To calculate the interest charge, we can use the following formula:
Interest = Principal * Rate * Time
where the principal is the initial amount owed, the rate is the monthly interest rate as a decimal, and the time is the time period in months.
In this case, the principal is $2,900, the monthly interest rate is 3.35% expressed as a decimal (0.0335), and the time is one month.
So, the interest charge for the first month will be:
Interest = $2,900 * 0.0335 * 1
Interest = $97.15
Therefore, at the end of the first month, the musician will owe the initial balance of $2,900 plus the interest charge of $97.15, for a total of $2,997.15.
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student id numbers are created using the digits 0-9. how many five- digit student id numbers can be created if repeat digits are allowed? what if repeats are not allowed?
There are 100,000 possible five-digit student ID numbers that can be created if repeat digits are allowed (10^5).
However, if repeats are not allowed, there are only 9 x 9 x 9 x 9 x 9 = 590,490 possible student ID numbers that can be created (9^5).
The reason for the difference is that when repeats are allowed, you can use the same digit multiple times, for example "11111".
When repeats are not allowed, you can only use each digit once, for example "12345". The possible permutations of the digits 0-9 increase as more digits are added to the ID number, meaning that the more digits there are, the more possible combinations there are.
Therefore, when repeats are not allowed, the number of possible combinations is reduced significantly. In the case of five-digit student ID numbers, the difference is almost twofold.
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find the solution of the system of equations 2x + 6y = -16 -6x - 3y = -27 i need a answer neoowww
The solution of the system of equations are (7,-5).
Define about the system of equations?A set or group of equations that you solve all at once is referred to as a "system" of equations. The fundamental linear system comprises two equations as well as two variables. Linear equations (those that graph simply straight lines) are easier to understand than non-linear ones.The system of equations:
2x + 6y = -16 and -6x - 3y = -27
2x + 6y = -16
Divide by 2
x + 3y = -8 ..eq 1
-6x - 3y = -27 ..eq 2
Use elimination method.
Add eq 1 from 2
x + 3y -6x -3y = -8 - 27
-5x = -35
x = 7
3y = -8 - 7
y = -15/3
y = -5
Thus, the solution of the system of equations are (7, -5).
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Which number correctly completes the ratio table?
2 8 13 14
16 Square 104 112
A. 64
B. 48
C. 40
D. 32
Using a constant factor, the number that completes the ratio table is calculated as: A. 64.
How to Solve Ratio Table?To complete the ratio table, we can observe that each number in the second row is obtained by multiplying the corresponding number in the first row by a constant factor of 8.
Thus, the ratio of the first row number to the second row number is 1:8.
This means that:
2 * 8 = 16
13 * 8 = 104
8 * 8 = 64.
Therefore, we can also get the correct number that completes the ratio table by multiplying 8 by 8, which is:
8 * 8 = 64.
So, the missing number in the ratio table is: A. 64.
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How many consecutive zeros are there at the end of 6^8 x 10^3 x 8^2 x 25^5 ?
Answer:
13
Step-by-step explanation:
(6^8)(10^3)(8^2)(25^5)=1049760000000000000
so 13 zeros after 104976
You visit an orchard. The probability that you randomly select a ripe apple is 92%. The probability that you randomly select a ripe cherry is 86%. Design and use a simulation to estimate the probability that you pick an apple that is ripe and a cherry that is not ripe
We calculate that the probability of selecting an unripe cherry and an apple is roughly 6.22%.
To estimate the probability that you pick an apple that is ripe and a cherry that is not ripe, we can use a simulation. Here's one way to do it:
Start by creating a large number of simulations. For example, we could simulate 10,000 visits to the orchard.For each simulation, randomly select an apple and a cherry from the orchard. Use the given probabilities to determine whether each fruit is ripe or not. For example, we could use a random number generator to select a number between 0 and 1, and if the number is less than or equal to 0.92, we consider the apple to be ripe. Similarly, if the number is less than or equal to 0.86, we consider the cherry to be ripe.Check whether the apple is ripe and the cherry is not ripe. If both conditions are true, count this as a success. If not, count it as a failure. After simulating a large number of visits to the orchard, divide the number of successes by the total number of simulations to get an estimate of the probability. For example, let's say we simulate 10,000 visits to the orchard using the method described above. After counting the number of successes and failures, we find that there were 622 visits where we picked a ripe apple and a non-ripe cherry. The estimated probability of this happening is therefore:622 / 10,000 = 0.0622, or approximately 6.22%.
Therefore, based on this simulation, we estimate that the probability of picking a ripe apple and a cherry that is not ripe is approximately 6.22%. Note that the actual probability may be slightly different due to the random nature of the simulation.
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find the volume of the triangular prism 2.4 cm 3.6 cm 6 cm
Answer:
25.92cm²
Step-by-step explanation:
First, do 2.4x3.6=8.64
then multiply by length so 8.64x6=25.92
Hope this helps
a political candidate has asked you to conduct a poll to determine what percentage of people support him. if the candidate only wants a 3% margin of error at a 95% confidence level, what size of sample is needed? when finding the z-value, round it to four decimal places.
A sample size of 1068 is needed with a 95% confidence level and a 3% margin of error to estimate the proportion of people who support a political candidate.
To determine the sample size needed to estimate the percentage of people who support the political candidate with a 3% margin of error at a 95% confidence level, we can use the formula:
n = (z^2 * p * (1 - p)) / (E^2)
where n is the sample size, z is the z-value corresponding to the desired confidence level (95% confidence level corresponds to z = 1.96), p is the estimated proportion of the population that supports the candidate (we can use 0.5 as a conservative estimate), E is the desired margin of error (3% or 0.03)
Substituting the values into the formula, we get:
n = (1.96^2 * 0.5 * (1 - 0.5)) / (0.03^2) = 1067.11
Rounding up to the nearest integer, we need a sample size of 1068 to estimate the percentage of people who support the political candidate with a 3% margin of error at a 95% confidence level.
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Triangle 1 and triangle 2 are similar right triangles formed from a ladder leaning against a building.
Determine the distance from the bottom of the building to the point where the ladder is touching the building for triangle 2.
4 feet
7 feet
9 feet
14 feet
The distance from the bottom of the building to the point where the ladder is touching the building for Triangle 2 is 14 feet.
What is triangle?
A triangle is a polygon with three sides and three angles. It is one of the most basic geometric shapes and is often used in geometry, trigonometry, and other branches of mathematics.
Since Triangle 1 and Triangle 2 are similar right triangles formed from the same ladder leaning against the same building, their corresponding sides are proportional to each other.
Let's use the concept of similarity and proportions to solve for the unknown distance in Triangle 2. We can set up the following proportion based on the corresponding sides of the two triangles:
(vertical leg of Triangle 1) : (horizontal leg of Triangle 1) = (vertical leg of Triangle 2) : (horizontal leg of Triangle 2)
We know that in Triangle 1:
the length of the hypotenuse (the ladder) is 16 feet
the length of the horizontal leg (the distance along the ground) is 8 feet
the length of the vertical leg (the distance from the bottom of the building to the point where the ladder is touching the building) is 16 feet
Using the Pythagorean Theorem, we can solve for the length of the vertical leg of Triangle 2:
(vertical leg of Triangle 1) : (horizontal leg of Triangle 1) = (vertical leg of Triangle 2) : (horizontal leg of Triangle 2)
16 : 8 = (vertical leg of Triangle 2) : 7
Simplifying the proportion, we get:
2 : 1 = (vertical leg of Triangle 2) : 7
To solve for the vertical leg of Triangle 2, we can multiply both sides of the proportion by 7:
2 * 7 : 1 * 7 = (vertical leg of Triangle 2)
14 : 1 = (vertical leg of Triangle 2)
Therefore, the distance from the bottom of the building to the point where the ladder is touching the building for Triangle 2 is 14 feet.
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2. The function f gives the dollar value of a bond t years after the
bond was purchased. The graph of Jis shown.
What is f(0)? What does it mean in this situation?
b. What is f(4.5)? What does it mean in this situation?
c. When is f(t) = 1500? What does this mean in this
situation?
The function f a. f(0) represents the bonds after 0 years. That is the immediate value of bond in dollars at 0 year. b. f(4.5) represents the value of the bond 4.5 years later.
What does a mathematical function mean?A function in mathematics is a rule that designates a certain output value for each input value. Each input from the domain has precisely one output in the range, forming a relationship between two sets known as the domain and the range. The letter f(x), where x is the input variable and f(x) is the output variable, is a common way to represent a function. The output variable is specified by the function's rule, but the input variable can accept any value from the function's domain.
For the given graph of the function:
a. f(0) represents the bonds after 0 years. That is the immediate value of bond in dollars at 0 year.
b. f(4.5) represents the value of the bond 4.5 years later.
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olympic gold medal has a gram of 586 grams. what is the mass of a 2018 olympic gold medal in hectograms
The mass of a 2018 Olympic gold medal in hectograms is 58.6 hg.
First, we need to know the mass of the Olympic gold medal in grams. According to the question, the mass of an Olympic gold medal is 586 grams.
To convert grams to hectograms, we need to divide the mass in grams by 100. This is because there are 100 grams in 1 hectogram.
To do the division, we can use a calculator. Dividing 586 by 100 gives us 5.86.
The answer we get is in hectograms, so we can write it as 5.86 hg. This means that the mass of a 2018 Olympic gold medal is 5.86 hectograms.
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number of calls coming to the customer care center of a mobile company per minute is a poisson random variable with mean 5. find the probability that no call comes in a certain minute
The given information says that the number of calls coming to the customer care center of a mobile company per minute is a Poisson random variable with a mean of 5, So the probability that no call comes in a certain minute is 1
What is the Poisson distribution?A Poisson distribution is a probability distribution that shows the probability of a certain number of events occurring within a specific time or space, provided that these events occur at an average rate that is constant throughout the space or time.
Given a Poisson random variable with mean λ, the probability of observing x occurrences of an event in a certain time interval is given by:
P(X = x) = (e^(-λ) * λ^x) / x!,
where e is Euler's number (approximately equal to 2.71828).
We are required to find the probability that no call comes in a certain minute, i.e., P(X = 0).
Substituting the given values into the Poisson distribution formula:
P(X = 0) = (e^(-5) * 5^0) / 0!
= (1 * 1) / 1
= 1
Therefore, the probability that no call comes in a certain minute is 1.
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explain the real-world meaning of the parameters a, b, and c of the quadratic function model. based on data from 1990 to 2003, the amount of money spent on prescription drugs (per capita) can be modeled by
The parameters a, b, and c of a quadratic function model have different real-world meanings that relate to the specific context of the data being analyzed. In the case of the quadratic function model used to analyze the amount of money spent on prescription drugs per capita between 1990 and 2003.
The parameters can be defined as follows:
a: The parameter a represents the coefficient of the squared term in the quadratic function model. In the context of the amount of money spent on prescription drugs per capita, a represents the curvature of the relationship between time and spending.
A positive value of a indicates a U-shaped curve, while a negative value of a indicates an inverted U-shaped curve.
b: The parameter b represents the coefficient of the linear term in the quadratic function model. In the context of the amount of money spent on prescription drugs per capita, b represents the rate of change of spending over time.
A positive value of b indicates that spending is increasing over time, while a negative value of b indicates that spending is decreasing over time.
c: The parameter c represents the intercept of the quadratic function model. In the context of the amount of money spent on prescription drugs per capita, c represents the initial amount of spending at the beginning of the time period being analyzed.
Hence, a represents the curvature of the relationship between time and spending, b represents the rate of change of spending over time, and c represents the initial amount of spending at the beginning of the time period.
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How do I solve this?
Answer:
150 handshakes
Step-by-step explanation:
50+50=100 Since the girls shook ONCE to a boy and a girl, we would multiply 100 twice, then add another 50.
Benzoic acid is used to determine the heat capacity of bomb calorimeters because it can be obtained in pure form and its energy of combustion is known very accurately (-26.43 kJ/g).
Determine the calorimeter constant of the calorimeter that had a temperature increase of 9.199 degrees Celsius when 3.500 g of benzoic acid was used.
Benzoic acid is used to determine the heat capacity of bomb calorimeters because it can be obtained in pure form and its energy of combustion is known very accurately (-26.43 kJ/g).
The calorimeter constant is -2873.5.
Determine the calorimeter constant of the calorimeter that had a temperature increase of 9.199 degrees Celsius when 3.500 g of benzoic acid was used.To determine the calorimeter constant, follow these steps:
Explanation:
1. Calculate the energy released by the benzoic acid combustion: Multiply the mass of benzoic acid by its energy of combustion.
Energy released = mass × energy of combustion
Energy released = 3.500 g × -26.43 kJ/g = -92.505 kJ
2. Convert the temperature increase to a change in energy: Multiply the temperature increase by the mass of benzoic acid.
ΔEnergy = temperature increase × mass of benzoic acid
ΔEnergy = 9.199°C × 3.500 g = 32.1965 J
3. Determine the calorimeter constant: Divide the energy released by the change in energy.
Calorimeter constant = Energy released / ΔEnergy
Calorimeter constant = -92.505 kJ / 32.1965 J
Note: We need to convert the units to be consistent, either to J or kJ.
1 kJ = 1000 J, so -92.505 kJ = -92505 J.
Calorimeter constant = -92505 J / 32.1965 J = -2873.5
The calorimeter constant is -2873.5.
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What is √45 rounded to the nearest whole number
Answer:
3√5
Step-by-step explanation:
Describe two different ways to obtain the image below.
The given image is trapezoid and to obtain the image there are two different ways: 1. Plotting the points 2. Transformations
What is trapezoid?
In geometry, a trapezoid is a four-sided polygon that has at least one pair of parallel sides. The parallel sides of a trapezoid are called bases, while the non-parallel sides are called legs.
The image below appears to be a trapezoid with vertices at A(2,2), B(4,5), C(6,5), and D(8,2). There are several ways to obtain this image, but here are two possible methods:
Method 1: Plotting the Points
One way to obtain the image is to plot the points A, B, C, and D on a coordinate plane, and then connect them in the correct order to form the trapezoid. Here are the steps:
Draw a coordinate plane with x and y axes.
Plot the point A at (2,2).
Plot the point B at (4,5).
Plot the point C at (6,5).
Plot the point D at (8,2).
Connect the points A, B, C, and D in the order ABDC to form the trapezoid.
Method 2: Transformations
Another way to obtain the image is to start with a reference trapezoid with known vertices, and then apply a sequence of transformations to obtain the desired trapezoid. Here are the steps:
Start with a reference trapezoid with vertices at (0,0), (2,3), (4,3), and (6,0). This trapezoid has the same shape as the desired trapezoid, but is located in a different position on the coordinate plane.
Translate the reference trapezoid 2 units to the right and 2 units up by adding (2,2) to each vertex. This results in a trapezoid with vertices at (2,2), (4,5), (6,5), and (8,2), which is the desired trapezoid.
(Optional) Rotate or reflect the trapezoid as desired to obtain different orientations or symmetries.
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Write the equation y - 6 = -5(x + 1) in
slope-intercept form.
answer - y = -5x + 1
Some of the dimensions of a house are shown below.
Calculate the length u.
Give your answer in metres to 2 d.p.
56°
1.65 m
u
43°
Not drawn accurately
Using trigonometric relations we can see that u = 4.28m
How to find the length of u?First we can find the length of the shared side using the trigonometric relation:
tan(56°) = x/1.65m
1.65m*tan(56°) = x
2.45m = x
Then the length of the bottom side of the right triangle in the right side is iven by:
tan(43°) = 2.45m/y
Solving for y:
y = 2.45m/tan(43°)
y = 2.63m
Then the length of u is:
u = 1.65m + 2.63m = 4.28m
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PLEASE HELP MEEEEEEEEEEE!
What is the measure of the unknown angle?
A straight angle divided into a fifty-eight-degree angle and an unknown angle.
100°
112°
120°
122°
Therefore , the solution of the given problem of angles comes out to be the right response is option d 122°.
An angle meaning is what?Using Cartesian coordinates, the top and bottom walls divide the circular lines that make up a skew's ends. There is a chance that two poles will meet at a junction point. Angle is another outcome of two things interacting. They mirror dihedral forms the most. A two-dimensional curve can be created by arranging two line beams in various ways at their extremities.
Here,
180 degrees is the length of a straight circle. It has been split into a 58-degree angle and an unidentified angle, as far as we are aware. So that we can determine the size of the undetermined angle, let's use subtraction:
=> Angle unknown = 180 degrees minus 58 degrees
=> Angle unknown = 122 degrees
As a result, the undetermined angle is 122° in size.
The right response is (d) 122°.
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The city manager has received approval to add a new fountain to the main park. He uses a coordinate plane to map the existing fountain, represented by rectangle TRUV.
The new fountain will be a reflection of the existing fountain across the y-axis. Which statement about the new fountain, identified as T'R'U'V', is true?
The statement that would be true of the reflection of the existing fountain across the y - axis is B. There are two sets of parallel lines: T'V' || R'U' and T'R' || V'U'
How to reflect across the y - axis ?A reflection of a shape would lead to a congruent shape in another part of the graph. This means that the new shape would have the same set of parallel lines as the original.
The quadrilateral TRUV had parallel line sets of TV || RU and TR || VU so the reflected figure would have congruent parallel lines at T'V' || R'U' and T'R' || V'U'.
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The options for the question are:
There are two sets of parallel lines: TV VU and TR || R'U
There are two sets of parallel lines: T'V' || R'U' and T'R' || V'U'
The points T. R, U, and V have these coordinates: (-2,-7),(6,7),(-2,-4)
.and (-6,-4).
The points T. R. U, and V have these coordinates: (2,-7), (6,7),(2,-4) and (6,-4)
Question 4 In which circuit represented below are meters properly connected to measure the current through resistor R1 and the potential difference across R2? A) LWA OAA OB.B OCC ODD
In Circuit B, the ammeter is connected in series with resistor R1 and the voltmeter is connected in parallel with resistor R2.
Therefore, the circuit is correctly setup to measure the desired quantities.
The correct circuit for measuring the current through resistor R1 and the potential difference across R2 is Circuit B. Circuit B is formatted with an ammeter measuring the current through R1 and a voltmeter measuring the potential difference across R2.
An ammeter is used to measure current and should be connected in series with the component it is measuring; whereas a voltmeter is used to measure potential difference and should be connected in parallel with the component it is measuring.
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PLEASE HELP, DUE NOW
Which of the following equations represents a linear function?
y equals two thirds times x squared
x = 5
y equals negative one fourth times x plus 5
2x + 7 = 12
According to the question this equation represents a single point in the xy-plane, and does not have a constant rate of change. It doesn't have a linear function as a result.
Explain equation?When the roots and solutions of two equations match, they are said to be equivalent. The same number, symbols, or expression must be added to or subtracted from both the equation's two sides to produce an equivalent equation. By multiplying or dividing both sides of an equation by a nonzero number, we can also obtain an analogous equation.
Equation representing a linear function:
Y is equivalent to x plus 5 times the negative one-fourth.
Linear functions have a constant rate of change, which means that as x increases or decreases by a certain amount, y also changes by a constant amount. The equation y equals negative one fourth times x plus 5 has a constant slope of negative one fourth, which means that for every increase of one in x, y will decrease by one fourth. This is a characteristic of a linear function.
The equation y equals two thirds times x squared represents a quadratic function, which has a curved graph.
The equation x = 5 is a linear equation, but it only represents a vertical line passing through x = 5. It does not have a slope or a y-intercept, which are necessary for a linear function.
The equation 2x + 7 = 12 can be simplified to a linear equation of the form y = mx + b by solving for y:
2x + 7 = 12
2x = 5
x = 5/2
Substituting x = 5/2 back into the equation gives:
y = 2(5/2) + 7 = 12
This equation represents a single point in the xy-plane, and does not have a constant rate of change. Therefore, it is not a linear function.
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Evaluate q2 + (r5 -10) if q = 5 and R = 2
Answer:
q=5,R=2
Step-by-step explanation:
=5×2+(2×5-10)
=10+(10-10)
=10+0
=10
if my grade is 88 but i have a test that counts for 25 percent of my total grade and i get an 80 what will my grade be
If your grade is 88 but you have a test that counts for 25 percent of your total grade and you get an 80, your grade will be 86.
Test scores are an essential aspect of an educational system. Teachers use them to evaluate how well students have grasped concepts or learned material from a class or course. They help in establishing the academic strength and weaknesses of the student.
The test score you got is 80, which makes 25% of the total grade you can have for this course. This means that 0.25*80 = 20 marks will be added to your final grade. Your previous grade was 88, which will not be counted with the test marks.
Hence the marks you will have for the final grade will be 88 + 20 = 108. Divide this number by 1.25 (as 25% is equivalent to 0.25), which results in 86.4. You can round it off to the nearest integer, which is 86.
Therefore, your final grade will be 86.
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Shapera has three sources of income. she earns $15 for each lawn she mows. She earns $7 per hour working part-time at a pet store. She earns $20 each day she delivers newspapers.
Part A: Write an expression that represents her total earnings.
Part B: In the six weeks, Shapera mowed 7 lawns, worked 36 hours at the pet store, and delivered newspapers 7 days. Did she make enough to buy the computer? Explain your answer
(Please answer as fast as possible!!)
Answer:
Step-by-step explanation:
Mowed lawns 15 times 7 = 105 Working at pet store 7 times 36 = 252 Delivers newspapers 20 times 7 = 140 105+252+140= 497QUESTION 1. Assume we are testing a function with 3 variables:
Variable A: has values 0 and 1
Variable B: has values 0 and 1
Variable C: has values 0 and 1
What is the total 2-way variable value configuration coverage achieved by the following tests:
A=0; B=0; C=1
A=0; B=1; C=1
A=1, B=0, C=0
The total 2-way variable achieved by the given tests is 6.
How to find 2-way variable?
There are three pairs of variables, and each pair can have two possible values, resulting in 2-way variable value configurations. Therefore, the total 2-way variable value configuration coverage achieved by the given tests is 6, as follows:
A=0, B=0
A=0, C=1
B=0, C=1
A=0, B=1
A=1, B=0
A=1, C=0
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in a recent survey of 619 salinas residents, 437 stated they experienced significant traffic delays within the last month. if one of the 619 residents is selected at random, what is the probability they have experienced delays?
If one of the 619 residents is selected at random, the probability they have experienced delays is 70.6%.
To find the probability that a randomly selected Salinas resident has experienced significant traffic delays within the last month, we need to use the formula for probability:
Probability = Number of favorable outcomes / Total number of outcomes
In this case, the favorable outcome is the number of residents who have experienced significant traffic delays, which is 437. The total number of outcomes is the total number of residents surveyed, which is 619. Therefore, the probability is:
Probability = 437 / 619 ≈ 0.706
This means that there is a 70.6% chance that a randomly selected Salinas resident has experienced significant traffic delays within the last month, based on the given survey results.
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a town doubles its size every 38 years. if the population is currently 6,790, what will the population be in 76 years?
Population will be 43,160 in 76 years if a town doubles its size every 38 years if the current population is 6,790.
Since the town doubles in size every 38 years, we can use the formula:
P = P0 * 2^(t/T)
where P0 is the initial population, P is the population after time t, and T is the doubling time (38 years in this case).
We know that the current population is P0 = 6,790, and we want to find the population in 76 years, which is t = 76. Plugging these values into the formula, we get:
P = 6,790 * 2^(76/38)
P = 6,790 * 2^2
P = 6,790 * 4
P = 27,160
Therefore, the population of the town will be 27,160 in 76 years.
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Need help it’s due tomorrow for test corrections!!
We know that the temperature was 56°F at midnight, so we can plot the point (24, 56)
What is graph ?
Graph can be defined as visual representation of given data using the ordered pairs.
To graph Elroy's data, we can use the x-axis to represent the time of day in hours and the y-axis to represent the temperature in degrees Fahrenheit.
First, we can plot the point (6, 50) to represent the temperature at 6am.
Next, we can use the information that the temperature rose 3° per hour for the next 4 hours. This means that at 10am, the temperature would be 50 + 3(4) = 62°F. We can plot this point at (10, 62). Similarly, we can find the temperature at 7am, 8am, and 9am using the same formula and plot those points as well.
Then, we can use the information that the temperature rose 2° per hour for the next 6 hours. This means that at 4pm, the temperature would be 62 + 2(6) = 74°F. We can plot this point at (16, 74). Similarly, we can find the temperature at 11am, 12pm, 1pm, 2pm, and 3pm using the same formula and plot those points as well.
The temperature then stayed steady until 6pm, so we can draw a horizontal line at y = 74 from 4pm to 6pm.
For the next 2 hours, the temperature dropped 1° per hour. This means that at 8pm, the temperature would be 74 - 2 = 72°F. We can plot this point at (20, 72). Similarly, we can find the temperature at 7pm using the same formula and plot that point as well.
Therefore, we know that the temperature was 56°F at midnight, so we can plot the point (24, 56).
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