Answer: We can use Bayes' theorem to find the probability that a randomly chosen applicant has a graduate degree, given that they are male. Bayes' theorem states:
P(A|B) = P(B|A) * P(A) / P(B)
where A and B are events, P(A|B) is the conditional probability of event A given that event B has occurred, P(B|A) is the conditional probability of event B given that event A has occurred, P(A) is the prior probability of event A, and P(B) is the prior probability of event B.
In this case, we want to find P(grad degree | male), which is the probability that an applicant has a graduate degree given that they are male. Using Bayes' theorem, we have:
P(grad degree | male) = P(male | grad degree) * P(grad degree) / P(male)
We are given that 134 applicants are male, and 40 of those males have a graduate degree. Therefore:
P(male | grad degree) = 40 / total number of applicants with a graduate degree
We are not given the total number of applicants with a graduate degree, but we can find it using the fact that 40 applicants are male and have a graduate degree, and that there are 134 male applicants in total. Therefore:
total number of applicants with a graduate degree = 40 / (40/134) = 118.33 (rounded to the nearest whole number)
Next, we need to find the prior probability of having a graduate degree, P(grad degree). We can use the total number of applicants and the number of applicants with a graduate degree to calculate this probability:
P(grad degree) = number of applicants with a graduate degree / total number of applicants = 118 / 300 = 0.3933 (rounded to four decimal places)
Finally, we need to find the prior probability of being male, P(male). This probability can be calculated similarly:
P(male) = number of male applicants / total number of applicants = 134 / 300 = 0.4467 (rounded to four decimal places)
Now, we can substitute these values into Bayes' theorem to find the probability that a randomly chosen applicant has a graduate degree, given that they are male:
P(grad degree | male) = (40 / 118) * 0.3933 / 0.4467 = 0.332 (rounded to three decimal places)
Therefore, the probability that a randomly chosen applicant has a graduate degree, given that they are male, is approximately 0.332 or 33.2%.
Step-by-step explanation:
Find the lateral and total surface area round to the nearest hundredth if necessary
The lateral and total surface area of the prism are 1000 square feet and 1120 square feet.
How to determine the lateral and total surface area of a prismIn this problem we need to determine the lateral and total surface area of a prism with a triangular base. The lateral surface area is the sum of the areas of the three rectangles and the total surface area is the sum of the lateral surface area and the areas of the two triangles.
The area formulas for the triangle and the rectangle are, respectively:
Triangle:
A = s · √[s · (s - a) · (s - b) · (s - c)]
s = 0.5 · (a + b + c)
Where:
a, b, c - Sides, in feet.s - Semiperimeter, in feet.A - Area, in square feet.Rectangle:
A = w · h
Where:
w - Width, in feeth - Height, in feet.A - Area, in square feet.Now we proceed to determine each surface area:
Lateral surface area:
A = 2 · (20 ft) · (17 ft) + (20 ft) · (16 ft)
A = 1000 ft²
Total surface area:
s = 0.5 · (17 ft + 17 ft + 16 ft)
s = 25 ft
A = √[(25 ft) · (25 ft - 17 ft)² · (25 ft - 16 ft)] + 1000 ft²
A = 1120 ft²
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Jim bought a pair of shoes for $50 and laces for $1. If the sales tax is 7%, how much tax must he pay?
(a) $3.57
(c) $0.36
(b) $350
(d) $35.70
Jim must pay tax $3.57.
The correct answer is (a) $3.57.
To calculate the sales tax that Jim must pay, we need to find 7% of the total cost of the shoes and laces.
The total cost of the shoes and laces is $50 (shoes) + $1 (laces) = $51.
To calculate the sales tax, we multiply the total cost by the tax rate:
Sales tax = 7% of $51
[tex]= 0.07 \times $51[/tex]
= $3.57.
Therefore, Jim must pay $3.57 in sales tax.
The correct answer is (a) $3.57.
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What is it?????????!!!!!!!!!
From the attached graph the solution set is (3, 3) for the inequalities
The first inequality is y < -(2/3)x + 5.
We can graph this by plotting the y-intercept of 5 and then using the slope of -2/3 to find additional points.
We then draw a dashed line through these points to indicate that the points on the line are not included in the solution set.
Since the inequality is y <, we shade the region below the line.
The second inequality is y ≥ (4/3)x - 1.
We can graph this by plotting the y-intercept of -1 and then using the slope of 4/3 to find additional points.
We then draw a solid line through these points to indicate that the points on the line are included in the solution set.
Since the inequality is y ≥, we shade the region above the line.
Hence, from the attached graph the solution set is (3, 3) for the inequalities
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Evaluate log_10^3.
a) 100
b) 1, 000
c) 9
d) 3
La escuela de Hannah organizó una
donación de libros. Hay 150 estudiantes
en su escuela, que donaron b libros en
total. Hanna donó 3 veces el promedio
de libros que donó cada estudiante
According to the information, Hannah donated b/50 books in total.
How to calculate how many books did Hannah donate?First, we need to find the average number of books donated by each student. We can do this by dividing the total number of books donated by the number of students:
average number of books per student = b / 150Hannah donated 3 times this amount, so we can multiply the average by 3 to find how many books she donated:
Hannah's donation = 3 * (b / 150)Simplifying this expression, we get:
Hannah's donation = b / 50Therefore, Hannah donated b/50 books in total.
Note: This question is in Spanish. Here is the question in English:
Hannah's school organized a book donation. There are 150 students in her school who donated a total of b books. Hannah donated 3 times the average number of books donated by each student. How many books did Hannah donate?
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Suppose that you are taking a course where the total class grade is the weighted average of your homework, worksheets, quizzes and tests.
The homework is worth 15% of the course grade, worksheets are worth 20% of the course grade, the quizzes are worth 25% of the course grade, and tests are worth 40% of the course grade. To get a B in the course, you must have an overall average of at least 80%.
Your current grades in each category are:
Homework =
74
%, Worksheets =
76
%, and Quizzes =
77
%.
What is the minimum test average you need to get a B in the course?.
Your answer is:
% (Round to at least 1 decimal place)
HELP ME PLEASE!!!!!
Answer:
1. True
2.True
3.True
4.False
5.False
6.True
7.True
8.True
Step-by-step explanation:
1. The area of a rectangle is found by the formula A=bh.
2. There are 4 rectangles making up the lateral area of the prism. 2+3=5. 5*6=30, and multiply by 2 since there are two of the 2x6 and two of the 3x6 rectangles to get 60. The bases of the prism have an area of 6 square inches each.
60+12+12=84
3. 3*5=15
4. The base is not a square, so you cannot multiply by 4 to get the area of all the triangles. You can multiply by two, and also multiply 1/2(3)(4) by 2 to get the area of the other two triangles.
5. The base is a triangle. 1/2(3)(4)=6.
6. 2[1/2(3)(4)]=12. 2(8*5)=80. 3*8=24. 80+24+12=116
7. A cube has 6 identical sides, so you can find the area of one side and multiply by 6 to get the surface area of the cube.
8. 9^2=81. 81*6=486.
3. A room is 17 feet by 16 feet. Carpet for the room costs
$101 per square yard.
How much will it cost to carpet the room?
Question 1
Answer: First, let's convert the room's dimensions from feet to yards, since the carpet cost is given per square yard:
17 feet = 5.67 yards (rounded to two decimal places)
16 feet = 5.33 yards (rounded to two decimal places)
Next, we can calculate the area of the room in square yards by multiplying these values:
Area = 5.67 yards × 5.33 yards = 30.23 square yards (rounded to two decimal places)
Finally, we can multiply the area by the cost per square yard to get the total cost:
Total cost = 30.23 square yards × $101/square yard = $3,056.23 (rounded to two decimal places)
Therefore, it will cost $3,056.23 to carpet the room.
Select each angle of rotation about the origin, (0, 0) that maps WXYZ TO W’ X’ Y’Z
The angle of rotation about the origin, (0, 0) that maps WXYZ TO W’ X’ Y’Z are
180 degrees
540 degrees
900 degrees
How to find the angle of rotationThe transformation rule for an angle of 180 degrees is simply a reflection or a flip. This means that any object or figure that undergoes this transformation will be flipped over a line or axis.
The rule is (x, y) will become (-x, -y)
Where 540 degrees = 360 + 180
where 900 degrees = 360 + 360 + 180
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what is the expanded notation of -6⁷
Answer:
The expanded notation of -6⁷ means writing the number -6⁷ as a sum of its place values.
-6⁷ can be written as:
-6 × 6 × 6 × 6 × 6 × 6 × 6
or
-6 × (6 × 6 × 6 × 6 × 6 × 6)
or
-6 × 6⁶
In expanded notation form, it can be written as:
-6 × (6 × 6 × 6 × 6 × 6 × 6)
= -6 × (46656)
= -279936
Therefore, the expanded notation of -6⁷ is -279936.
Step-by-step explanation:
Find the volume. round the final answer to the nearest whole number as needed. Round all intermediate values to the nearest tenth as needed.
In the given diagram, the volume of the composite shape is 12,672 ft³
Calculating the volume of a composite shapeFrom the question, we are to calculate the volume of the given composite shape
The composite shape is made up of a pyramid and a cuboid
Thus,
Volume of the shape = Volume of pyramid + Volume of cuboid
Volume of pyramid = 1/3 × base area × height
Volume of cuboid = Length × Width × Height
Calculating the volume of the pyramid
Volume of pyramid = 1/3 × 24² ×15
Volume of pyramid = 1/3 × 576 ×15
Volume of pyramid = 576 × 5
Volume of pyramid = 2880 ft³
Calculating the volume of the cuboid
Volume of the cuboid = 24² × 17
Volume of the cuboid = 9792 ft³
Thus,
Volume of the shape = 2880 ft³ + 9792 ft³
Volume of the shape = 12,672 ft³
Hence, the volume of the shape is 12,672 ft³
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An office manager needs to cover the front face of a rectangular box with a label for shipping. The vertices of the face are (–5, 8), (3, 8), (–5, –4), and (3, –4). What is the area, in square inches, of the label needed to cover the face of the box?
96 in2
48 in2
40 in2
20 in2
The area, in square inches, of the label needed to cover the face of the box is 96 in².
Option A is correct.
How do we calculate?We must first determine the length and breadth of the rectangle before multiplying them together to determine the area of the rectangular face.
The distance between the x-coordinates of two opposite points determines the length of the rectangle:
length equals 3 - (-5) = 8.
The distance between the y-coordinates of the same two opposite points determines the rectangle's width:
width = 8 + (-4) = 12
In conclusion, the rectangle's size is: 8 × 12 = 96 square inches is the area formula.
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$5850 is invested at 6.5% compounded continuously. How long will it take for the balance to reach $11700? Round your answer to two decimal places.
Answer:10.66 years. Punch again to double check
Step-by-step explanation:
A=Pe^(rt)
11700=5850e^(.065t)
isolate the variable expression
2=e^(.065t) divide by 5850
ln2=lne^(.065t) take the natural log of both sides
ln2=.065t. Bring down the power, lne equals
t is about 10.66 years. Divide ln2 by .065
A company produces traffic barrels. The diameter each barrel is
18 inches. The surface area of one barrel is 2,939.04 square inches.
What is the height of the traffic barrel? Estimate to the nearest hundredth using 3.14 for pie
The height of the traffic barrel is 42.97 inches.
What is the height of the traffic barrel?The surface area of a cylinder is derived with A = 2πr² + 2πrh. A = surface area, r = radius and h = height.
Since diameter is given as 18 inches, we can get radius by dividing the diameter by 2:
r = 18 / 2
r = 9 inches.
Substituting these values, we get:
2,939.04 = 2π(9²) + 2π(9)h
2,939.04 = 162π + 18πh
2,939.04 - 162π = 18πh
h = (2,939.04 - 162π) / (18π)
h = 42.9736382161
h = 42.97 inches
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Types of discontinuities
Identify and Classify the discontinuities in the function, please
The discontinuity at x = -2 is a removable discontinuity or a hole in the graph of the function.
To identify the discontinuities in the function f(x), we first need to find the values of x that make the denominator zero, since division by zero is undefined.
The denominator of f(x) is x² + x - 2, which can be factored as (x - 1)(x + 2). Therefore, the function f(x) is undefined at x = 1 and x = -2, since they would make the denominator zero.
Now we need to determine the type of discontinuity at these points.
At x = 1, the function f(x) approaches infinity as x approaches 1 from both sides of the graph.
At x = -2, the function f(x) has a hole in the graph.
This means that the function is undefined at x = -2, but if we "plug in" x = -2, we can factor the numerator and cancel out the common factor with the denominator, resulting in a new function that is continuous at x = -2. The new function is:
f(x) = (x⁴ - 5x² + 4) / (x² + x - 2)
= [(x² - 1)(x² - 4)] / [(x - 1)(x + 2)]
= (x - 1)(x + 1)(x - 2), for x ≠ -2
Therefore, the discontinuity at x = -2 is a removable discontinuity or a hole in the graph.
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Enter your answer in the box.
Answer:
- 63
Step-by-step explanation:
When x = 0, x - 1 = -1
f(x - 1) = f(-1) = 21 from the table
-3f(x-1) = -3 (21)
= -63
The table below shows the amount of time 80 people spent watching television during a week.
Time (hours)
Frequency
0 < h ≤ 10
5
10 < h ≤ 20
15
20 < h ≤ 30
50
30 < h ≤ 40
10
Calculate an estimate for the mean time spent watching television.
Give your answer to 1 d.p.
An estimate for the mean time spent watching television is approximately 24.375 hours.
How to calculate the meanMidpoint of 0 < h ≤ 10 = (0 + 10) / 2 = 5
Midpoint of 10 < h ≤ 20 = (10 + 20) / 2 = 15
Midpoint of 20 < h ≤ 30 = (20 + 30) / 2 = 25
Midpoint of 30 < h ≤ 40 = (30 + 40) / 2 = 35
Sum of observations = (5 × 5) + (15 × 15) + (25 × 50) + (35 × 10) = 125 + 225 + 1250 + 350 = 1950
Total number of observations = 5 + 15 + 50 + 10 = 80
Mean = Sum of observations / Total number of observations = 1950 / 80 = 24.375
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Please help me I really don’t get this. ILL GOVE BRAINLIEST TO ANYONE PLEASD I GIVE 18 points
Answer: C, yes
Step-by-step explanation:
Again you have do the same thing to both sides
They added 1 to both sides
Answer is C , yes they are same
Which is equivalent to cube root 8?
Answer:
2
Step-by-step explanation:
The value of cube root of 8, ∛8, is 2.
Answer:
2
Step-by-step explanation:
cube root 8 means:
a number x such that x * x * x = 8
the answer is 2, since 2 * 2 * 2 = 8
Find the missing dimensions of each figure. Round your answer to the nearest tenth. PLEASE HELP
answer is : r=1.6 in since the volume of cylinder is :
[tex]\pi {r}^{2} h[/tex]
Starting from rest, an object travels at a constant speed of 150 cm/s (centimeters per second) along a straight line. If d is the total distance in cm that the object has traveled at time t seconds, then which of the following gives the equation expressing d as a function of t, and the total distance d in meters that the object has traveled at time t = 2 seconds?
The equation expressing d as a function of t can be found by using the formula for distance traveled with constant speed:
d = vt
where d is the distance, v is the constant speed, and t is the time elapsed.
In this case, the speed is 150 cm/s, so the equation is:
d = 150t
To find the total distance traveled in meters at t = 2 seconds, we need to first find the total distance traveled in centimeters at t = 2 seconds:
d = 150t
d = 150(2)
d = 300 cm
To convert to meters, we divide by 100:
d = 300/100
d = 3 meters
Therefore, at t = 2 seconds, the object has traveled a total distance of 3 meters.
For the following exercises, convert the angle measures to radians.
-236° (the exact answer) b) 601° (round to two decimal places)
The calculated values of the angle measures when converted to radians are 1.31π rad and 3.34π rad
Converting the angle measures to radians.To convert angles from degrees to radians, we multiply the number of degrees by π/180.
This means that
Angle = Degree measure * π/180
Using the above as a guide, we have the following:
Angle 236 = 236 * π/180
Evaluate the products
Angle 236 = 1.31π rad
Next, we repeat the same process for the second angle 601 degrees
Angle 601 = 601 * π/180
Evaluate the products
Angle 601 = 3.34π rad
Hence, the angles are 1.31π rad and 3.34π rad
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parallel and perpendicular line math homework
a. The slopes of the lines are:
Slope of line 1 = -5/2
Slope of line 2 = 7/5
Slope of line 3 = -5/2
b.
Line 1 and Line 2 : Neither
Line 1 and Line 3 : Parallel
Line 2 and Line 3 : Neither
Calculating the slope of linesFrom the question, we are to determine the slope of each of the given lines:
Using the formula,
m = (y₂ - y₁) / (x₂ - x₁)
Where m is the slope
(-4, 7) and (-2, 2)m = (2 - 7) / (-2 - (-4))
m = (-5) / (2)
m = -5/2
(0, -1) and (-5, -8)m = (-8 - (-1)) / (-5 - 0)
m = (-7) / (-5)
m = 7/5
(-2, 8) and (2, -2)m = (-2 - 8) / (2 - (-2))
m = (-10) / (4)
m = -5/2
b.
NOTE: Two lines are said to be parallel if they have equal slopes; and they are said to be perpendicular if the slope of one is the negative reciprocal of the other.
Thus,
Line 1 and Line 2 : Neither
Line 1 and Line 3 : Parallel
Line 2 and Line 3 : Neither
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If Kayla has a 73% in her history class and she took a test 20% of her grade and got a 60 on it. What would her grade be?
Answer:
70.4%
Step-by-step explanation:
Assuming the test is the only graded assignment, and the remaining 80% of her grade is still at 73%, we can calculate Kayla's new overall grade as follows:
New overall grade = (0.80 x 73) + (0.20 x 60)
New overall grade = 58.4 + 12
New overall grade = 70.4
Therefore, Kayla's new overall grade is 70.4%
Answer:
70.4% or a C-.
Step-by-step explanation:
To calculate Kayla's new grade after taking the test, you need to first find out what percentage of her overall grade the test is worth. If the test is worth 20% of her grade, then the remaining 80% of her grade is based on other factors, such as homework, quizzes, and other tests.
To calculate Kayla's new grade, you can use the following formula:
New grade = (Current grade x Weight of current assignments) + (Grade on test x Weight of test)
Plugging in the numbers given in the problem, we get:
New grade = (0.73 x 0.80) + (0.60 x 0.20)
New grade = 0.584 + 0.12
New grade = 0.704
Therefore, Kayla's new grade after taking the test would be approximately 70.4%, or a C-.
more aleks parallel and perpendicular lines
a. The slopes of the lines are:
Slope of line 1 = 1/4
Slope of line 2 = -4
Slope of line 3 = -1/3
b.
Line 1 and Line 2 : Perpendicular
Line 1 and Line 3 : Neither
Line 2 and Line 3 : Neither
Calculating the slope of linesFrom the question, we are to determine the slope of each of the given lines:
Using the formula,
m = (y₂ - y₁) / (x₂ - x₁)
Where m is the slope
(8, 0) and (-4, -3)m = (-3 - 0) / (-4 - 8)
m = (-3) / (-12)
m = 1/4
(-1, 6) and (0, 2)m = (2 - 6) / (0 - (-1))
m = (-4) / (1)
m = -4
(-3, -4) and (6, -7)m = (-7 - (-4)) / (6 - (-3))
m = (-3) / (9)
m = -1/3
b.
NOTE: Two lines are said to be parallel if they have equal slopes; and they are said to be perpendicular if the slope of one is the negative reciprocal of the other.
Thus,
Line 1 and Line 2 : Perpendicular
Line 1 and Line 3 : Neither
Line 2 and Line 3 : Neither
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One option in a roulette game is to bet 11on red. (There are 18 red compartments, 18 black compartments, and two compartments that are neither red nor black.) If the ball lands on red, you get to keep the 11 you paid to play the game and you are awarded 11. If the ball lands elsewhere, you are awarded nothing and the 11 that you bet is collected. Complete parts (a) through (b) below.
The expected value for playing roulette if a person bet $16 on red is -$0.84.
b. The statement that best describes what this value means is option b. Over the long run, the player can expect to lose about $1.05 for each game played.
What is the expected value?To be able to calculate the expected value, you need to multiply the probability of winning by the amount won hence it will be:
Expected value = (18/38) x $16 - (20/38) x $16
= -$0.84
Based on the fact that the expected value has a negative sign, it implies that, on average, the player tend to lose money over the long run.
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See full question below
one option in a roulette game is to bet $16 on red. (there are 18 red compartments, 18 compartments, and two compartments that are neither red nor black) if the ball lands on red, you get to keep the $16 you paid to play the game and you are awarded $16. If the ball lands elsewhere, you are awarded nothing and the $16 that you bet is collected.
a. what is the expected value for playing roulette if you bet $16 on red?
$__________ (round to the nearest cent)
b. chosen the statment below that best describes what this value means???
Pick One!
a. over the long run, the player can expect to win about $1.05 for each game played
b. over the long run, the player can expect to lost about $1.05 for each game player
c. over the lung run, the player can expect to break even
Please help if I don't finish this today my parents gonna take my phone away
Find the slope to solve the problem.
Sue drives 200 miles by 1:00 pm. She drives 350 miles by 4:00 pm if she continues at the same rate, how far will she drive by 5:00 pm?
To find the slope in this problem, we can use the formula for calculating slope, which is change in distance divided by change in time. In this case, the change in distance is 350 miles - 200 miles = 150 miles, and the change in time is 4:00 pm - 1:00 pm = 3 hours.
So, the slope (rate of driving) is 150 miles / 3 hours = 50 miles per hour.
Now, to find how far Sue will drive by 5:00 pm, we can use the slope and the additional time of 1 hour (from 4:00 pm to 5:00 pm).Distance driven by 5:00 pm = Slope * Time = 50 miles per hour * 1 hour = 50 miles.Therefore, Sue will drive an additional 50 miles by 5:00 pm, making her total distance driven by 5:00 pm 200 miles + 150 miles + 50 miles = 400 miles. So, Sue will drive 400 miles by 5:00 pm if she continues at the same rate. Note that in this problem, we are assuming that Sue maintains a constant speed throughout her drive. If her speed changes, the solution may be different.
divide to 7 digits after the decimal point. Do not round your answer 3.1 divided by 6
The value of 3.1 divided by 6 leaving 7 digits after the decimal point without rounding is 0.5166666
Evaluating the quotient expressionFrom the question, we have the following parameters that can be used in our computation:
3.1 divided by 6
When represented as an expression, we have
3.1 divided by 6 = 3.1/6
The above expression can be calculated using a calculator
Using a calculator, we have
3.1/6 = 0.51666666666
This means that
3.1 divided by 6 = 0.51666666666
Leaving 7 digits after the decimal point without rounding, we have
3.1 divided by 6 = 0.5166666
Hence, the value of 3.1 divided by 6 is 0.5166666
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3+3=???
A: 3113
B: 33
C. 6 ( I did the math and never got this answer)
D. 9
please help !!!!!
Answer:
D
Step-by-step explanation:
gimme the points
cuz
scientific
Help pleaseeeee I would appreciate it
The answers of the matrix of A after adding -5 times row 1 to row 3 of matrix is
1 -1 5 | -1
1 -1 -4 | 5
0 9 -25 | 4
What is a matrix in mathematics ?A matrix is described as a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns, which is used to represent a mathematical object or a property of such an object.
Matrices are useful for describing systems of linear or differential equations, as well as representing a linear application.
We perform the row operation and have:
1 -1 5 | -1
1 -1 -4 | 5
0 9 -25 | 4
The result after adding -5 times row 1 to row 3 of matrix is shown below:
1 -1 5 | -1
1 -1 -4 | 5
0 9 -25 | 4
In conclusion, in a matrix function, the input and the output values are matrices.
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