Answers
Answer:
A is 90 degrees because of the box
Answer:
a = 34.64
Step-by-step explanation:
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Suppose there are five processes, their arrival time and running time are listed as follows. Adopt FCFS and SJF, respectively, give the schedule order and average waiting time. (12) 1) Give the schedule order of FCFS. (3) 2) Compute the average waiting time of FCFS. (3) Give the schedule order of SJF. (3) 3) 4) Compute the average waiting time of SJF. (3) Process Arrival time Running time Pl 0 3 P2 3 10 P3 4 6 P4 5 1
Answers
Average waiting time for FCFS: 8.75
SJF schedule order: Pl -> P4 -> P3 -> P2Average waiting time for SJF: 4.75
To solve this scheduling problem using FCFS (First-Come, First-Served) and SJF (Shortest Job First) algorithms, let's go step by step:
Schedule order for FCFS:
The FCFS algorithm schedules processes based on their arrival time. So, the schedule order for FCFS is as follows:
Pl -> P2 -> P3 -> P4
Average waiting time for FCFS:
To compute the average waiting time for FCFS, we need to calculate the waiting time for each process and then take the average.
Process | Arrival Time | Running Time | Waiting Time
Pl | 0 | 3 | 0
P2 | 3 | 10 | 3
P3 | 4 | 6 | 13
P4 | 5 | 1 | 19
Average waiting time = (0 + 3 + 13 + 19) / 4 = 8.75
Therefore, the average waiting time for FCFS is 8.75.
Schedule order for SJF:
The SJF algorithm schedules processes based on their running time. The process with the shortest running time gets executed first. If multiple processes have the same running time, the process with the earliest arrival time is selected first. The schedule order for SJF is as follows:
Pl -> P4 -> P3 -> P2
Average waiting time for SJF:
To compute the average waiting time for SJF, we need to calculate the waiting time for each process and then take the average.
Process | Arrival Time | Running Time | Waiting Time
Pl | 0 | 3 | 0
P4 | 5 | 1 | 3
P3 | 4 | 6 | 6
P2 | 3 | 10 | 10
Average waiting time = (0 + 3 + 6 + 10) / 4 = 4.75
Therefore, the average waiting time for SJF is 4.75.
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Use the quadratic formula to find both solutions to the quadratic equation
given below.
4x2 + 3x -1 = 0
Answers
Answer:
do u mean 4x²........i need to make sure it
At the Medal Factory, the assembly line produces 98 screwdrivers in a batch. The screwdrivers are
packaged in boxes with 12 each. If 5 batches are made in one day, how many screwdrivers will be leftover
at the end of it?
Answers
Answer:
10
Step-by-step explanation:
68 screwdrivers will be leftover at the end of day.
What is Division?A division is a process of splitting a specific amount into equal parts.
Given that At the Medal Factory, the assembly line produces 98 screwdrivers in a batch.
The screwdrivers are packaged in boxes with 12 each.
If 5 batches are made in one day
We need to find how many screwdrivers will be leftover at the end of it.
12 screwdrivers in each batch.
So for 5 batches there are 5×12=60 screwdrivers.
The left screwdrivers are 98-60=38
Hence, 68 screwdrivers will be leftover at the end of day.
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8). Triangle A'B'C' is formed when Triangle ABC is
translated right by 4 and up by 2. Which statement is
true?
Choose all that apply:
1.The angles of Triangle ABC and Triangle A'B'C' are the
same
2.Triangle A'B'C' is congruent to the original triangle.
3.The perimeter of Triangle ABC and Triangle A'B'C' are
the same.
Answers
Answer:
Answer 2 is correct because triangle ABC is the same as the original just that the position has changed
Which of the following is the quotient of the rational expressions shown
below? Make sure your answer is in reduced form.
7x²
3x-5
2x+6 x+3
OA.
OB.
O C.
O D.
O E.
21x³-35x2
2x² +12x+18
7x²
6x-10
7x³ +21x²
6x² +8x-30
6x-10
7x²
6x² +8x-30
7x³+21x²
Answers
The quotient of the rational expressions shown above is given by, Answer: option (C) 7x²/6x-10
To simplify the expression 7x² / 3x-5 / 2x+6 / x+3
We need to perform the following steps:
Invert the divisor.
Change the division to multiplication.
Factor the numerator and denominator.
First, divide the first term in the numerator (7\(x^2\)) by the first term in the denominator (2x) to get 3.
Then multiply (2x + 6) by 3 to get 6x + 18 Subtract this from the numerator.
2x + 6 | 7\(x^2\) + 3x - 5
- (6x + 18)
_______
-3x - 23
Then subtract the following term from the numerator: -3x.
Dividing -3x by 2x gives -3/2.
Multiply (2x + 6) by -3/2. The result is -3x - 9.
Subtract this from the previous result.
3 - (3/2)x
_________
2x + 6 | - 14
The result of polynomial long division is -14.
Therefore, the quotient of the rational expression is (7\(x^2\) + 3x - 5) / (2x + 6) -14.
So the correct answer is option D: -14.
Cancel out any common factors.
Multiply the remaining terms to get the answer.
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Evaluate this expression for x=16; 20 - X =
Answers
Answer:
x = 16 . 20 - x = 4 20-16=4
Step-by-step explanation:
Answer:
= 4
Step-by-step explanation:
Find the non-parametric equation of the plane with normal (−5,6,6)-5,6,6 which passes through point (5,−6,0)5,-6,0.
Write your answer in the form Ax+By+Cz+d=0Ax+By+Cz+d=0 using lower case x,y,zx,y,z and * for multiplication. Please Do Not rescale (simplify) the equation.
Answers
Sothe non-parametric equation of the plane with the given normal vector and passing through the point (5, -6, 0) is: -5x + 6y + 6z + 61 = 0
How to explain the equationIn order to find the non-parametric equation of the plane, we need the normal vector and a point on the plane. The normal vector is given as (-5, 6, 6), and a point on the plane is (5, -6, 0).
The non-parametric equation of a plane is given by:
Ax + By + Cz = D
where (A, B, C) is the normal vector and (x, y, z) is a point on the plane. We can substitute the values into the equation to find the values of A, B, C, and D.
(-5)(x - 5) + (6)(y + 6) + (6)(z - 0) = 0
Expanding this equation:
-5x + 25 + 6y + 36 + 6z = 0
-5x + 6y + 6z + 61 = 0
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The seismic wave of an earthquake is represented by the equation r = 12.8 sin(θ), where r is measured in miles.
The seismic wave is represented by ______ curve having a center on the ______
The earthquake can be felt ________miles from its center.
1 Circular, Rose, Limacon
2 Positive x Axis, Negative x Axis, Positive Y axis, negative Y axis
3 6.4, 12.8, 25.6
Answers
Answer:
1. CIRCULAR
2. POSITIVE Y-AXIS
3. 6.4
Step-by-step explanation:
Right on edge
Answer:
CIRCULAR
POSITIVE VERTICAL AXIS
6.4
Step-by-step explanation:
On edge 2023
x/10 - 4 = 5. What is X?
Answers
The given equation is
\(\frac{x}{10}-4=5\)First, we add 4 on each side.
\(\begin{gathered} \frac{x}{10}-4+4=5+4 \\ \frac{x}{10}=9 \end{gathered}\)Then, we multiply 10 on each side.
\(\begin{gathered} \frac{x}{10}\cdot10=9\cdot10 \\ x=90 \end{gathered}\)Therefore, the solution is 90.Given a normal distribution with mean M = 8 and σ = 3,
What is the x value corresponding to z = 0.4?
Answers
123
\(123 > x = 10 > 6\)
Help me with this math function below!!
Answers
The answer fir the second question mark is -22 . Why because -10-12 =-22
8
,
5
⋅
10
5
4
,
25
⋅
10
−
4
Answers
Answer:35
Step-by-step explanation:
add 3 and 4
distribute
Simplify:
B^4 . B^3
^ = means I’m squaring it.
Answers
Step-by-step explanation:
B⁴×B³B^(4+3)B⁷stay safe healthy and happy...
A two-digit number read from left to right is 20% greater than the same number read from right to left. Find the number.
Answers
Answer:
54
Step-by-step explanation:
We'll call the number "ab".
From left to right, the value of this number will be \(10a+b\).
From right to left, the value of this number will ve \(10b+a\).
From the question,
\(10a+b=1.2(a+10b)\\10a+b=1.2a+12b\\8.8a=11b\)
For a and b to be whole numbers,
\(\left \{ {{a=5} \atop {b=4}} \right.\)
So the number is 54.
What are the coordinates of Point S after a dilation with the center at the origin and a scale factor of 1/2?
A (2,-1)
B (4,-2)
C (8,-4)
D (16,-8)
Answers
Therefore, the coordinates of point S after a dilation with the center at the origin and scale factor of 1/2 are (4, -2).
What is factor?In mathematics, a factor is a number or expression that divides another number or expression without leaving a remainder. For example, 2 and 3 are factors of 6 because 6 can be divided by 2 and 3 without leaving a remainder. In algebra, factors are often used to factorize an expression, which involves breaking it down into its constituent factors. This is a useful technique for simplifying algebraic expressions, solving equations, and finding common factors in polynomials. Factors are also important in number theory, where they are used to study properties of integers and prime numbers.
Given by the question.
To perform a dilation with the center at the origin and scale factor of 1/2, we need to multiply the coordinates of the point by the scale factor.
The coordinates of point S are (8, -4).
After dilation, the x-coordinate will be 1/2 of 8, and the y-coordinate will be 1/2 of -4:
x' = (1/2) * 8 = 4
y' = (1/2) * (-4) = -2
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simplify this problem\( \frac{9x}{4x - 4} + \frac{ {x}^{2} + 6x }{ {x}^{2} + 5x - 6} \)
Answers
1. Factor the denominators as follow:
\(\begin{gathered} 4x-4=4(x-1) \\ \\ \\ x^2+5x-6 \\ =x^2+6x-x-6 \\ =x(x+6)-(x+6) \\ =(x-1)(x+6) \\ \\ \\ \\ \\ \frac{9x}{4(x-1)}+\frac{x^2-6x}{(x-1)(x+6)} \end{gathered}\)2. Write the expresion with the less common denominator:
Multiply the first fraction by (x+6) (both parts, numerator and denominator):
\(\frac{9x}{4(x-1)}\cdot\frac{x+6}{x+6}=\frac{9x(x+6)}{4(x-1)(x+6)}\)Multiply the second fraction by 4 (both parts, numerator and denominator):
\(\frac{x^2-6x}{(x-1)(x+6)}\cdot\frac{4}{4}=\frac{4(x^2-6x)}{4(x-1)(x+6)}\)Rewrite the expression with the less common denominator:
\(\begin{gathered} \frac{9x(x+6)}{4(x-1)(x+6)}+\frac{4(x^2-6x)}{4(x-1)(x+6)} \\ \\ =\frac{9x(x+6)+4(x^2-6x)}{4(x-1)(x+6)} \end{gathered}\)3. Remove parentheses and simplify:
\(\begin{gathered} \frac{9x^2^{}+54x+4x^2-24x}{(4x-4)(x+6)} \\ \\ =\frac{13x^2+30x}{4x^2+24x-4x-24} \\ \\ =\frac{13x^2+30x}{4x^2+20x-24} \end{gathered}\)Then, the given expression simplified is:\(\frac{9x}{4x-4}+\frac{x^2-6x}{x^2+5x-6}=\frac{13x^2+30x}{4x^2+20x-24}\)![simplify this problem[tex] \frac{9x}{4x - 4} + \frac{ {x}^{2} + 6x }{ {x}^{2} + 5x - 6} [/tex]](https://i5t5.c14.e2-1.dev/h-images-qa/answers/attachments/3FEf63pRqLXeuugCPzvxJcejYts4in3X.png)
Determine the value of y, if x is 4.
y= | x - 7 |
Answers
Answer: y = 3
Step-by-step explanation:
During a sale at a furniture store, sofas were marked down 30%. You have a coupon for an additional 15% off. What is the final price of a sofa that originally cost $550? Justify your solution
Answers
The original price of the sofa is $327.25.
What is the original price of the sofa?Percentage is the fraction of an amount expressed as a number out of 100. The sign used to represent percentage is %.
When the price of the sofa is marked down, it becomes cheaper by the marked down percentage. The coupon also further reduces the price of the sofa.
Price of the sofa after the markdown = (1 - markdown) x original price
(1 - 0.3) x $550
0.7 x $550 = $385
Price of the sofa after the coupon = (1 - coupon) x price after the markdown
(1 - 0.15) x $385
0.85 x $385 = $327.25
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Se tienen dos dados, uno
rojo con puntos que
representan números
positivos del 1 al 6 y el otro
azul, que representan a los
números negativos del uno
negativo al seis negativo. Al
tirar ambos dados, se
obtuvieron los siguientes
puntos: (+2).(-5). ¿Cuál es el
resultado de sumar los
puntos?. Aplica el método de
descomposición-
simetrización-anulación.
Answers
Answer:
oooo[[oooo seven. my boy o girl
Answer:
-3
Step-by-step explanation:
porque si debes 5 y pagas 2 quedas debiendo 3 sé que no es la mejor explicación pero bueno...
Sara's high school played 15 basketball games this year and 3 were at night.
The team won most of their games. They were defeated during 4 games. How many games did they win ?
PLEASE HELP ASAP!!!!!!!!!!!!!!!
Answers
On Friday, Javier sold 8 5/6 pitchers of lemonade from his lemonade stand. On Saturday, he sold 2 5/6 times as much lemonade as on Friday. How many pitchers of lemonade did Javier sell on Saturday?
Answers
A fraction is written in the form of a numerator and a denominator where the denominator is greater than the numerator.
The number of pitchers of lemonade sold on Saturday is \(25\frac{1}{36}\).
What is a fraction?A fraction is written in the form of a numerator and a denominator where the denominator is greater than the numerator.
Example: 1/2, 1/3 is a fraction.
We have,
Friday:
Number of lemonade sold = \(8\frac{5}{6}\)
Saturday:
Number of lemonade sold = \(2\frac{5}{6}\) times of Friday
The number of lemonade sold on Saturday:
= \(2\frac{5}{6}\) x \(8\frac{5}{6}\)
= 17/6 x 53/6
= 901/36
= \(25\frac{1}{36}\)
Thus,
The number of pitchers of lemonade sold on Saturday is \(25\frac{1}{36}\).
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can someone solve this?
-5^4 x 4y^10 x -3y^-1
Answers
Answer:
\(7500 {y}^{9} \)
Step-by-step explanation:
\( { - 5}^{4} \times {4y}^{10} \times { - 3y}^{ - 1} \)
\( = 12 \times {5}^{4} {y}^{9} \)
\( = 12 \times 625 {y}^{9} \)
\( = 7500 {y}^{9} \)
determine whether the set s is linearly independent or linearly dependent.s = {(−2, 2, 4), (1, 9, −2), (2, 3, −3)}
Answers
To determine whether the set S is linearly independent or linearly dependent.The set is linearly independent. This is because the only way to make a linear combination of vectors equal to the zero vector is to have all the coefficients equal to zero.
A linear combination of vectors is the sum of a scalar multiple of each vector in the set. We must check if the equation a(-2,2,4) + b(1,9,-2) + c(2,3,-3) = (0,0,0) has only the trivial solution, i.e., a=b=c=0. This gives us the system of equations,-2a + b + 2c = 01a + 9b + 3c = 02a - 2b - 3c = 0We can solve the system of equations by using Gauss-Jordan elimination. The augmented matrix for the system is:[-2 1 2 0][1 9 3 0][2 -2 -3 0]Let's use elementary row operations to simplify the matrix.
We can swap the first and second rows since the first element in the second row is 1.[1 9 3 0][-2 1 2 0][2 -2 -3 0]We can then add twice the first row to the third row to eliminate the leading coefficient in the third row.[1 9 3 0][-2 1 2 0][0 16 3 0]We can then add nine times the first row to the second row to eliminate the leading coefficient in the second row.[1 9 3 0][0 17 15 0][0 16 3 0]We can then add -16/17 times the second row to the third row to eliminate the leading coefficient in the third row.[1 9 3 0][0 17 15 0][0 0 -117/17 0]We see that the only solution is a=0, b=0, and c=0. Therefore, the set S is linearly independent.
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Write x2 y2 – 18x 8y 5 = 0 in standard form. group terms and move the constant to the other side of the equation. x2 – 18x y2 8y = –5 determine the values that need to be added to both sides of the equation. (–18 ÷ 2)2 = 81 and (8 ÷ 2)2 = 16 add the values to both sides of the equation. write each trinomial as a binomial squared, and simplify the right side. what is the standard form of the equation of a circle given by x2 y2 – 18x 8y 5 = 0? ( )² ( )² =
Answers
The equation of the circle x² + y² – 18x + 8y + 5 = 0 can be written as in the standard form is (x – 9)² + (y + 4)² = 92
What is a circle?It is a locus of a point drawn equidistant from the center. The distance from the center to the circumference is called the radius of the circle.
The equation of the circle is given below.
x² + y² – 18x + 8y + 5 = 0
Add and subtract 97, then we have
x² – 18x + y² + 8y + 97 – 97 + 5 = 0
x² – 18x + 81 + y² + 8y + 16 – 92 = 0
(x – 9)² + (y + 4)² = 92
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use distributive property to find the product 1/5 * 5 10/11
pls help lolz
Answers
Answer:
1/2/11
Step-by-step explanation:
1/5×5/10/11=1/5×65/11
=13/11
=1/2/11
1. If EF has endpoints at E(-3, 10) and F(5.6) and is dilated about the origin by a factor of 7 which of the
following would be the length of its image, E'F'?
Answers
Answer: 28√5
Step-by-step explanation:
The endpoints of EF are E(-3 , 10) and F(5 , 6)
Let x1 = -3, y1 = 10, x2 = 5, y2 = 6
So, the length of EF is,
\(\begin{aligned}&\mathrm{EF}=\sqrt{\left(\mathrm{x}_{2}-\mathrm{x}_{1}\right)^{2}+\left(\mathrm{y}_{2}-\mathrm{y}_{1}\right)^{2}} \\&\mathrm{EF}=\sqrt{\left(5-(-3)^{2}+(6-10)^{2}\right.} \\&\mathrm{EF}=\sqrt{(5+3)^{2}+(-4)^{2}} \\&\mathrm{EF}=\sqrt{64+16} \\&\mathrm{EF}=\sqrt{80} \\&\mathrm{EF}=4 \sqrt{5}\end{aligned}\)
Scale factor = 7
Therefore,
\(\begin{aligned}&\mathrm{E}^{\prime} \mathrm{F}^{\prime}=7 \mathrm{EF} \\&\mathrm{E}^{\prime} \mathrm{F}^{\prime}=7 \cdot 4 \sqrt{5} \\&\mathrm{E}^{\prime} \mathrm{F}^{\prime}=28 \sqrt{5}\end{aligned}\)
Please answer it all this is very important
Answers
Answer:
6.)
The answer is 63 inches because this value is closer to the mean and while the data is positively skewed (as in the mean is greater than the median) it's not by that much.
7.)
This would mean that the data is symmetric. By this, I mean that there would have to be an equal amount of data on either side of the mean. For example, for every entry 2 units below from the mean there must be one 2 units above the mean and so on. There would also have to be many entries on the mean/median (so that it would also be the mode)
8.)
We can observe that there are no real outliers that would heavily influence the data and so we can just take the mean
the mean of student A is: (68+72+73+67)/4= 70
The mean of student B is: (74+73+73+74)/4=73.5
We can see that student A, on average, is closer to 70 than student B and can therefore conclude that student A is more percise
How many numbers have an absolute value of 4/5
Answers
Answer:
2
Step-by-step explanation:
only 4/5 and -4/5 are 4/5 away from 0
Answer:
Two. 4/5 and -4/5
Step-by-step explanation:
absolute value means distance from zero. 4/5, and -4/5 are the only two numbers that are 4/5 away from zero, so the is two numbers. if you have anymore questions asking how many numbers have a specific absolute value, the answer is two as well.
jennifer took a survey about the pets the students in her class have. of the 27 students, 14 had cats, 12 had dogs, and 4 had both a cat and a dog. how many students did not have a dog or a cat?
Answers
The total number of students who did not have a dog or a cat was 5
Jennifer conducted a survey about the pets of students in her class. In total, 27 students participated in the survey. Among these, 14 students had cats, 12 students had dogs, and 4 students had both cats and dogs.
Jennifer took a survey among the students in her class to know about their pets. The total number of students who took part in the survey was 27. She found that 14 students had cats, 12 students had dogs, and 4 students had both cats and dogs.
Now, we need to calculate the number of students who don't have a dog or a cat. Let's start by calculating the total number of students who had either a dog or a cat.There were 14 students with cats and 12 students with dogs, which means that 26 students had either a cat or a dog.
However, since 4 students had both a cat and a dog, we must subtract this from our total. Therefore, there were 22 students with either a cat or a dog.Now, we need to subtract this from the total number of students who took the survey. That is,27 - 22 = 5 students Therefore, there were 5 students who did not have a dog or a cat.
The total number of students who did not have a dog or a cat was 5.
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heeeeeeeellllllpppppp quickly
Answers
Answer:
A
Step-by-step explanation: