On a coordinate plane, line A has a negative slope, line b is horizontal, line c is vertical, and line d has a positive slope.
Which line has no slope?
Line a
Line b
Line c
Line d
Answers
The line with no slope will be a horizontal line the correct option is line b.
What are lines and slopes?In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction. Slope or the gradient is the number or the ratio which determines the direction or the steepness of the line.
Given that on a coordinate plane, line A has a negative slope, line b is horizontal, line c is vertical, and line d has a positive slope.
The line with no slope will be line b because the line is a horizontal line.
Therefore, the line with no slope will be a horizontal line the correct option is line b.
To know more about lines and slope follow
https://brainly.com/question/3493733
#SPJ1
Answer:
C. Line C
Step-by-step explanation:
Edge 2023
Related Questions
suppose a frequency distribution has the following consecutive classes: $20 up to $30 $30 up to $40 $40 up to $50 what is the class midpoint for the first class?
Answers
Answer:25
Step-by-step explanation:
Bonnie and Kelly are part of a group going to a basketball game. The group has two court-side seats, five upper-level seats, and four seats in general admission. If the group randomly chooses seats, what is the probability that both Bonnie and Kelly will sit court side at the basketball game if they are the first two to choose seats? Express your answer as a percent. If necessary, round your answer to the nearest tenth.
1. 8%
98. 2%
3. 3%
18. 2%
Answers
The probability that both Bonnie and Kelly will sit courtside at the basketball game if they are the first two to choose seats is 2%.(option 2)
When the group selects their seats at random, we must take into account all possible outcomes in order to calculate this. There are a total of 11 seats, two of which face the court. 11 are there! possible methods by which the group can select their seats. There is only one option for Bonnie and Kelly to sit courtside out of these, and that is for them to select a seat courtside first. As a result, there is a one in eleven chance that Bonnie and Kelly will sit side by side in court., or 2%.
We can divide the probability by 100 to put this into percentage form. The question has been answered by this, which gives us 2%.
Learn more about probability:
https://brainly.com/question/24756209
#SPJ4
Complete Question:
Bonnie and Kelly are part of a group going to a basketball game. The group has two court-side seats, five upper-level seats, and four seats in general admission. If the group randomly chooses seats, what is the probability that both Bonnie and Kelly will sit court side at the basketball game if they are the first two to choose seats? Express your answer as a percent. If necessary, round your answer to the nearest tenth.
1. 8%
2. 2%
3. 3%
4. 12%
In an effort to cut costs and improve profits, many US companies have been turning to outsourcing. In fact, according to "Purchasing" magazine, 51% of companies outsourced some part of their manufacturing process in the past two to three years. You would like to verify this complaint, and surveyed 432 companies.
a) What is the probability that 338 or more companies outsourced some part of their manufacturing process in the past two or three years?
b) What is the probability that 285 or more companies outsourced some part of their manufacturing process in the past two or three years?
c) What is the probability that 48% or less of these companies outsourced some part of their manufacturing process in the past two or three years?
Answers
The probability that 48% or less of these companies outsourced some part of their manufacturing process in the past two or three years is 0.194.
a) The total number of companies surveyed is 432.
According to the report, 51% of the companies outsourced some part of their manufacturing process in the past two to three years.
Therefore, the expected value (μ) = 0.51 * 432 = 220.32,
and the standard deviation (σ) = √[432 * 0.51 * (1 - 0.51)]
= 10.27
Using the z-score formula, we get
z = (338 - 220.32)/10.27 = 11.43
Using the z-table,
we find the probability associated with the z-score to be P(z > 11.43)
= 0.000
This implies that the probability that 338 or more companies outsourced some part of their manufacturing process in the past two to three years is 0.000
b) Using the z-score formula, we get
z = (285 - 220.32)/10.27
= 6.29
Using the z-table, we find the probability associated with the z-score to be P(z > 6.29) = 0.000
This implies that the probability that 285 or more companies outsourced some part of their manufacturing process in the past two to three years is 0.000
c) Using the formula for the sample proportion,
we get:
p = 0.51,
q = 1 - p = 0.49,
n = 432
The mean of the sampling distribution of sample proportions (μp) = p = 0.51
The standard deviation of the sampling distribution of sample proportions
(σp) = √[pq/n]
= √[(0.51 * 0.49)/432]
= 0.029
Using the z-score formula, we get
z = (0.48 - 0.51)/0.029
= -0.862
Using the z-table,
we find the probability associated with the z-score to be P(z < -0.862) = 0.194
This implies that the probability that 48% or less of these companies outsourced some part of their manufacturing process in the past two or three years is 0.194.
To know more about probability visit:
https://brainly.com/question/31828911
#SPJ11
What is the measure of \blueD{\angle x}∠xstart color #11accd, angle, x, end color #11accd?
Angles are not necessarily drawn to scale
Answers
Given \[\begin{array}{c}{\angle \text{x}+\angle \text{y}=180^{\circ}} \\ {\angle \text{y}+\angle \text{z}=180^{\circ}}\end{array}\]We know that angles on a straight line add up to 180 degrees.So, \[\angle \text{y}=180^{\circ}-\angle \text{x} \ldots (1)\]Similarly, we know that angles around a point add up to 360 degrees.So, \[\angle \text{z}=360^{\circ}-\angle \text{y}=360^{\circ}-(180^{\circ}-\angle \text{x})=180^{\circ}+\angle \text{x} \ldots (2)\]Now, using equations (1) and (2), we can find the value of \[\angle \text{x}\].From equation (1), \[\angle \text{y}=180^{\circ}-\angle \text{x}=180^{\circ}-45^{\circ}=135^{\circ}\]From equation (2), \[\angle \text{z}=180^{\circ}+\angle \text{x}=180^{\circ}+45^{\circ}=225^{\circ}\]Hence, the value of \[\angle \text{x}\] is \[45^\circ\].Therefore, the measure of angle x is 45 degrees.
Quickly
A couple of two-way radios were purchased from different stores. Two-way radio A can reach 5 miles in any direction. Two-way radio B can reach 11.27 kilometers in any direction.
Part A: How many square miles does two-way radio A cover? Use 3.14 for it and round to the nearest whole number. Show every step of your work. (3 points)
Part B: How many square kilometers does two-way radio B cover? Use 3.14 for π and round to the nearest whole nubber. Show every step of your work.
Part C: If 1 mile = 1.61 kilometers, which two-way radio covers the larger area? Show every step of your work.
Part D: Using the radius of each circle, determine the scale factor relationship between the radio coverages.
Answers
The area of a circle is given by the formula A = πr^2, where A is the area, π is approximately 3.14, and r is the radius of the circle. For two-way radio A, r = 5 miles. Therefore, the area covered by two-way radio A is:
A = πr^2 = 3.14 × 5^2 = 78.5 square miles.
Part B:
To convert kilometers to miles, we multiply by 0.62137. Therefore, the range of two-way radio B in miles is:
11.27 km × 0.62137 mi/km = 7.00 miles
The area covered by two-way radio B is:
A = πr^2 = 3.14 × 7^2 = 153.86 square miles.
Part C:
To compare the areas covered by two-way radio A and two-way radio B, we need to convert the area of two-way radio B from square miles to square kilometers.
The area covered by two-way radio B is:
A = πr^2 = 3.14 × (11.27/1.61)^2 = 78.5 square kilometers.
Therefore, two-way radio B covers a larger area than two-way radio A.
Part D:
The radius of two-way radio A is 5 miles, and the radius of two-way radio B is 11.27 kilometers. To compare the areas covered by the two radios, we need to convert the radius of two-way radio B from kilometers to miles.
11.27 km × 0.62137 mi/km = 7.00 miles
Therefore, the scale factor relationship between the radio coverages is:
5 miles (radius of two-way radio A) : 7 miles (radius of two-way radio B)
or
1 : 1.4
What score would a student need to have a 30th percentile score on the SAT? Recall that the mean score was 1509, and the standard deviation of the scores is 312. Group of answer choices 1244 1345 1456 1673
Answers
Rounding to the nearest whole number, we get that the score a student would need to have a 30th percentile score on the SAT is 1345. Correct option is B.
To find the score corresponding to the 30th percentile, we need to use the standard normal distribution with a mean of 0 and a standard deviation of 1. We can convert the SAT score to a standard normal score using the formula:
z = (x - μ) / σ
where x is the SAT score, μ is the mean score (1509), and σ is the standard deviation (312).
To find the score corresponding to the 30th percentile, we need to find the z-score that has an area of 0.30 to its left. Using a standard normal table or calculator, we can find that the z-score corresponding to a 30th percentile is approximately -0.52.
Now we can use the formula to find the corresponding SAT score:
-0.52 = (x - 1509) / 312
Solving for x, we get:
x = -0.52 * 312 + 1509 = 1345.36
Therefore, the answer is (b) 1345.
To learn more about mean click on,
brainly.com/question/30870972
#SPJ4
Complete question is:
What score would a student need to have a 30th percentile score on the SAT? Recall that the mean score was 1509, and the standard deviation of the scores is 312.
Group of answer choices
a. 1244
b. 1345
c. 1456
d. 1673
I need help with the last question please.Identify the zeros of the function below.
Answers
Given the graph of a function, you need to remember that, by definition, the zeros of a function are the x-intercepts (where the function intersects the x-axis).
In this case, you can identify that the function intersects the x-axis at these points (approximately):
\(\begin{gathered} (1,0) \\ (4,0) \end{gathered}\)Therefore, the roots are, approximately:
\(\begin{gathered} x_1\approx1 \\ x_2\approx4 \end{gathered}\)Hence, the answer is:
\(\begin{gathered} x_1\approx1 \\ x_2\approx4 \end{gathered}\)Pls help question about total pay
Show working out
Answers
\(7\frac{1}{2}\implies 7.5\hspace{5em}1\frac{1}{4}\implies 1.25 \\\\[-0.35em] ~\dotfill\\\\ \stackrel{ \textit{Monday through Friday} }{\stackrel{ days }{(5)}\stackrel{ rate }{(10.80)}\stackrel{ hours }{(7.5)}}~~ + ~~\stackrel{ Saturday }{\stackrel{ days }{(1)}\stackrel{ rate }{(10.80)(1.25)}\stackrel{ hours }{(7.5)}} \\\\\\ 405~~ + ~~101.25\implies \text{\LARGE 506.25}\)
Complete the grouped relative frequency distribution for the data. Write each relative frequency as a decimal rounded to the nearest hundredth.( note that we are using a class width of 5)
Answers
Relative frequency can be defined as the number of times an event occurs divided by the total number of events occurring in a given scenario. The formula is given to be:
\(RF=\frac{f}{n}\)where f is the number of times the data occurred and n is the total number of observations.
We have the frequency of the individual groups as shown below:
\(\begin{gathered} 1\text{ to }5\Rightarrow3 \\ 6\text{ to }10\Rightarrow8 \\ 11\text{ to }15\Rightarrow3 \\ 16\text{ to }20\Rightarrow5 \end{gathered}\)The total number of observations is 19.
Therefore, the relative frequencies are calculated below:
\(\begin{gathered} 1\text{ to }5\Rightarrow\frac{3}{19}=0.16 \\ 6\text{ to }10\Rightarrow\frac{8}{19}=0.42 \\ 11\text{ to }15\Rightarrow\frac{3}{19}=0.16 \\ 16\text{ to }20\Rightarrow\frac{5}{19}=0.26 \end{gathered}\)ANSWER
\(\begin{gathered} 1\text{ to }5\Rightarrow0.16 \\ 6\text{ to }10\Rightarrow0.42 \\ 11\text{ to }15\Rightarrow0.16 \\ 16\text{ to }20\Rightarrow0.26 \end{gathered}\)T
A family paid $21,600 as a down payment for a home. If this represents 12% of the price of the home find the price of the home.
Answers
21, 600 = 12 /100 x X.
21,600 x 100/12 = X
180,000 = X
The big Xs are X, and the small xs are times.
Hope this helps.
The ratio of a person's weight on earth to his weight on the moon is 6 to 1. Xavier weighs 90 pounds on earth how much would you weigh on the moon
Answers
The ratio of a person's weight on earth to his weight on the moon is 6 to 1.
Xavier weighs 90 pounds on earth how much would he weigh on the moon?
To find how much Xavier weighs on the moon, we will use proportions.
We know that the ratio of Xavier's weight on earth to his weight on the moon is 6 to 1.
Therefore:
Weight on Earth / Weight on the Moon = 6 / 1OrWeight on Earth = 6 x Weight on the Moon
Given that Xavier weighs 90 pounds on Earth, let's plug that value into the equation to find his weight on the moon.
Weight on Earth = 6 x Weight on the Moon90 pounds = 6 x Weight on the Moon
Solving for the weight on the moon:Weight on the Moon = 90 / 6Weight on the Moon = 15 pounds
Therefore, Xavier weighs 15 pounds on the moon.
To know more about value,visit:
https://brainly.com/question/30478424
#SPJ11
does 18/2 represent an integer?
Answers
Answer:
yes(9)
Step-by-step explanation:
What are the 8 parallel lines?
Answers
Parallel lines are defined as lines that do not intersect or meet at any point in a plane. They are always parallel and equidistant from one another.
What is answer parallel line?
In geometry, parallel lines can be defined as two lines in the same plane that are at equal distance from each other and never meet. They can be both horizontal and vertical.
Parallel lines are two lines in the same plane that are equal distance apart and never intersect.
Real-world parallel line examples include railroad tracks, sidewalk edges, street markings, zebra crossings, the surface of pineapple and strawberry fruit, staircases and railings, and so on.
Parallel lines are lines in a plane that never meet, no matter how far they are extended. The distance between the parallel lines is constant because they never meet.
Parallel lines are defined as lines that do not intersect or meet at any point in a plane. They are always parallel and equidistant from one another.
these are 8 parallel lines
2x+3y = 6
2x+3y = 4
2x+3y = 1
2x+3y = 2
2x+3y = 3
2x+3y = 8
2x+3y = 7
2x+3y = 5
learn more about of lines here
https://brainly.com/question/22224495
#SPJ4
what decimal number is represented by the binary number 00000101
Answers
miley walks dogs to earn money. she tracks her steps while she walks the dogs so she can walk them all an equal distance. last week, she walked 11 dogs. her total distance was 4,532 yards. how far did she go
Answers
Answer:
If you are looking for how far she walked each individual dog, then the answer is 412 yards.
Step-by-step explanation:
She walked 4,532 yards with 11 dogs. We have to split 4,532 into 11 groups. That is 4,532/11, which simplifies to 412.
Hope that helped!
She go 412 while she walked 11 dogs.
What is Unitary method?The unitary method is used to find the value of a single unit from a given multiple.
She walked 4,532 yards with 11 dogs.
We have to split 4,532 into 11 groups.
so, the distance she travelled is
= 4532/11
= 412
Learn more about this concept here:
https://brainly.com/question/3253856
#SPJ2
Four puppies measured 5 1/4 in, 5 3/8 in, 5 5/8 in, and 5 5/16 in. long at birth. Put the lengths in order from least to greatest
Answers
Given:
Four puppies measured 5 1/4 in, 5 3/8 in, 5 5/8 in, and 5 5/16 in. long at birth
We will put the lengths in order from least to greatest
As we can see the whole number is the same for the numbers
So, we will compare the fractions
We will make the same denominator for all the fractions
the fractions are: 1/4, 3/8, 5/8, 5/16
So, the common denominator will be = 16
The new fractions will be:
\(\frac{4}{16},\frac{6}{16},\frac{10}{16},\frac{5}{16}\)to arrange the fractions, we will arrange them according to the numerator
So, the fractions in order from the least to the greatest will be:
\(\begin{gathered} \frac{4}{16},\frac{5}{16},\frac{6}{16},\frac{10}{16} \\ \\ \frac{1}{4},\frac{5}{16},\frac{3}{8},\frac{5}{8} \end{gathered}\)so, the given lengths in order from least to greatest will be:
5 1/4 in, 5 5/16 in, 5 3/8 in, 5 5/8 in
on average each year in the united states, how many people are shot? select one: a. 50,000 b. 10,000 c. 100,000 d. 25,000
Answers
On average each year in the United States, approximately 100,000 people are shot, making option C the correct choice.
The number of gunshot victims includes various circumstances such as unintentional shootings, law enforcement-related incidents, etc. Gun violence is a significant issue in the U.S., and public opinion varies on the most effective methods to address it, such as through gun control legislation, mental health support, or community-based interventions.
Efforts to reduce gun violence require a comprehensive approach, including understanding its root causes, studying the effectiveness of interventions, and promoting responsible gun ownership. Despite the challenges in addressing this complex issue, many organizations and individuals continue to work towards solutions to prevent gun-related injuries and deaths.
In the United States, approximately 100,000 (Option C) people are shot on average each year.
Learn more about Gun violence here: https://brainly.com/question/30579918
#SPJ11
Matt has exactly $1.60 in his pocket. He only has nickels and dimes. There are twice as many nickels as dimes. What is the number of coins in Matt's pocket?
Answers
Answer:
24 coins
Step-by-step explanation:
We give the dimes a unknown number like y since the nickels are twice as much we give it 2y we multiply the numbers with their value and form an equation like 2y×5+y×10=160 find the value of y then get value of 2y+y to get the number of coins
On the coordinate grid, the graph of y = RootIndex 3 StartRoot negative x minus 1 EndRoot is shown. It is a reflection and translation of y = RootIndex 3 StartRoot x EndRoot.
On a coordinate plane, a cube root function goes through (negative 2, 1), has an inflection point at (negative 1, 0), and goes through (7, negative 2).
What is the range of the graphed function?
Answers
Answer:
What least number should be added to 15871 to make it a perfect Square
The range of graph is {y | -2 < y < 2}.
What is range of Graph?The y-axis on a graph represents the possible output values, or range. Remember that the domain and range of the graph may be larger than the values seen if the graph extends beyond the area that is visible.
Given:
y = ∛(x - 1)
and, reflection and translation y = ∛x
Then, Reflection across the x-axis is accomplished by negating the output of the function. That is, ∛x has been transformed to -∛(x-1).
So, y∈ [-2, 2)
Hence, the range is {y | -2 < y < 2}
Learn more about range of function here:
https://brainly.com/question/21027387
#SPJ6
Una piscina tarda en llenarse 6 horas con un grifo y con otro grifo mayor tarda 4 horas.
¿Cuánto tiempo tardaría en llenarse la piscina con los dos grifos a la vez?
Answers
Usando la tasa conjunta, se encuentra que se tardaría 2.4 horas en llenarse la piscina con los dos grifos a la vez.
¿Cuál es la tasa conjunta?La tasa conjunta es la suma de cada tasa por separado.
En este problemas, las tasas por separadas són dadas por 1/6 y 1/4. Por eso, la tasa conjunta es dada por:
\(\frac{1}{x} = \frac{1}{6} + \frac{1}{4}\)
\(\frac{1}{x} = \frac{2 + 3}{12}\)
\(\frac{1}{x} = \frac{5}{12}\)
\(5x = 12\)
\(x = 2.4\)
Se tardaría 2.4 horas en llenarse la piscina con los dos grifos a la vez.
Puede-se aprender más a cerca de la tasa conjunta en https://brainly.com/question/25159431
At the candy store, M&Ms and Skittles are sold for $0.25 per ounce. Kevita puts some M&Ms in a bag and then added 8 ounces of Skittles. The total cost for her bag of candy is $7.50.
Kevita and Mary write the equation 0.25(x+8)=7.50 to represent the situation, where x represents the number of ounces of M&Ms.
Kevita says that to solve this equation, you first distribute the 0.25 through the parentheses to get0.25x+2=6.50.
Mary says that to solve this equation, you first divide by 0.5 on both sides to get x+8=30
Do you agree with either Kevita or Mary? Why? Finish solving the problem to find out how many ounces of M&Ms Kevita put in her bag of candy.
Answers
Answer:
The answer should be 22 ounch Hence,kevita is write but there should be 7.50 not 6.50 in kevita equation
write the best fit line that models the impact of fat content on calories. explain how you got your answer.
Answers
The equation of the given model is y = 13.16x + 251.05
First choose two point
The first point = (44, 830)
The second point = (63, 1080)
The slope of the line m = \(\frac{y_2-y_1}{x_2-x_1}\)
Substitute the values in the equation
The slope of the line = (1080-830) / (63 - 44)
= 250 / 19
Consider the point (44, 830)
The point slope form is
\(y-y_1=m(x-x_1)\)
Where m is the slope of the line
y - 830 = 250/19(x - 44)
y - 830 = (250/19)x - 11000/19
y = (250/19)x - 11000/19 + 830
y = 250/19 x + 4770/19
y = 13.16x + 251.05
Hence, the equation of the given model is y = 13.16x + 251.05
The complete question is
The table shows the fat content and calories for the burgers at a fast food chain.
Fat (g) 25 44 63 32 37 20 11 52
Calories 590 830 1080 680 750 420 310 820
Write the best fit line that models the impact of fat content on calories. Explain how you got your answer.
Learn more about point slope form here
brainly.com/question/24436844
#SPJ1
whats 78,563 divided by 98
Ty for whoever helps me <3
Answers
Answer:
801.66
Step-by-step explanation:
calculator
Answer:
801.6632653061
Step-by-step explanation:
.......
A truck drives 65 miles per hour for 5 hours. How far has the truck traveled?
Answers
Answer:
It has traveled 325 miles
Answer:
In 1 hour truck travels 65 miles
In 5 hours, truck travels 65*5= 325 miles
The Hoylake Rescue Squad receives an emergency call every 1, 2, 3, 4, 5, or 6 hours, according to the following probability distribution. The squad is on duty 24 hours per day, 7 days per week: a. Simulate the emergency calls for 3 days (note that this will require a ❝running,❝ or cumulative, hourly clock), using the random number table.
b. Compute the average time between calls and compare this value with the expected value of the time between calls from the probability distribution. Why are the results different?
Answers
The results are different because the simulated data is based on random numbers and may not perfectly match the probability distribution.
To simulate the emergency calls for 3 days, we need to use a cumulative hourly clock and generate random numbers to determine when the calls will occur. Let's use the following table of random numbers:
Random Number Call Time
57 1 hour
23 2 hours
89 3 hours
12 4 hours
45 5 hours
76 6 hours
Starting at 12:00 AM on the first day, we can generate the following sequence of emergency calls:
Day 1:
12:00 AM - Call
1:00 AM - No Call
3:00 AM - Call
5:00 AM - No Call
5:00 PM - Call
Day 2:
1:00 AM - No Call
2:00 AM - Call
4:00 AM - No Call
7:00 AM - Call
8:00 AM - No Call
11:00 PM - Call
Day 3:
12:00 AM - No Call
1:00 AM - Call
2:00 AM - No Call
4:00 AM - No Call
7:00 AM - Call
9:00 AM - Call
10:00 PM - Call
The average time between calls can be calculated by adding up the times between each call and dividing by the total number of calls. Using the simulated data from part a, we get:
Average time between calls = ((2+10+10+12)+(1+2+3)) / 7 = 5.57 hours
The expected value of the time between calls can be calculated using the probability distribution:
Expected value = (1/6)x1 + (1/6)x2 + (1/6)x3 + (1/6)x4 + (1/6)x5 + (1/6)x6 = 3.5 hours
The results are different because the simulated data is based on random numbers and may not perfectly match the probability distribution. As more data is generated and averaged, the simulated results should approach the expected value.
To learn more about Probability :
https://brainly.com/question/24756209
#SPJ11
Write a proportion to solve this problem: if 12 math books weigh 40 pounds, how much would 21 math books weigh
Answers
1 math book is 3.33 pounds or 3 1/3
21x3 1/3 or 3.33 = 69.93
I need help on some math work
Answers
Answer:
20d
Step-by-step explanation:
its my guess, several weeks not seven so you dont know how many weeks so we use the variable d. $20 a week. multiply the $20 by the amount of weeks you get 20d
i really need help with this question it's due today
Answers
40% of = 8 please help
Answers
Answer:
3.2
Step-by-step explanation:
Answer: 3.2
Step-by-step explanation:
Find, in the form x + iy: (-4+7i)². 4 (-4+7i)².
Answers
(-4 + 7i)² = 9 + 56i ; Where x + iy is complex form.
To find the square of (-4 + 7i), we can use the formula for squaring a complex number, which states that (a + bi)² = a² + 2abi - b².
In this case, a = -4 and b = 7. Applying the formula, we have:
(-4 + 7i)² = (-4)² + 2(-4)(7i) - (7i)²
= 16 - 56i - 49i²
Since i² is equal to -1, we can substitute -1 for i²:
(-4 + 7i)² = 16 - 56i - 49(-1)
= 16 - 56i + 49
= 65 - 56i
So, (-4 + 7i)² simplifies to 65 - 56i.
If we multiply the result by 4, we get:
4(-4 + 7i)² = 4(65 - 56i)
= 260 - 224i
Therefore, 4(-4 + 7i)² is equal to 260 - 224i.
The square of (-4 + 7i) is 65 - 56i. Multiplying that result by 4 gives us 260 - 224i.
To know more about complex visit:
https://brainly.com/question/29631921
#SPJ11