Answer:
b is correct
Step-by-step explanation:
Assume that x is an int variable. what value is assigned to x after the following assignment statement is executed? x = -3 4 / 5;
The value of x as an int variable is 0
What is a int variable?An int(integer) variable is a variable containing only whole numbers.
Given the expression;
x = - 3 + 4 % 6/ 5
Let's make into proper fraction, we have
x = - 3 + {}4/ 100 × 6/ 5
Multiply through
x = -3 + 6/ 5/ 4/ 100
x = -3 + {6/ 5 ÷ 0. 4}
x = -3 + {3}
expand the bracket
x = -3 + 3
Add like terms
x = 0
Thus, the value of x as an int variable is 0
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Complete question;
Assume that x is an int variable. what value is assigned to x after the following assignment statement is executed? x = -3 + 4 % 6/ 5;
pls helppp
math work
bleh
Answer:
q = -2
Step-by-step explanation:
when solving 12q >= -24 you get
q >= -2 (12 divides 24 by 2)
therefore q is greater or equal to -2.
There is a reflection at the boundary between two materials if there is a change of __________ at the boundary.
There is a reflection at the boundary between two materials if there is a change of the speed of light in the material at the boundary.
This bending is referred to as refraction. whilst a wave traveling at an angle adjusts its velocity upon crossing a boundary among materials,. This bending is known as refraction. As a wave crosses a boundary into a new medium, its pace, and wavelength exchange simultaneously as its frequency stays equal.
While light from air hits a smooth piece of glass (n = 1. five) with the ray perpendicular to the glass floor, of the subsequent will occur while light from air hits a clean piece of glass with the ray perpendicular to the glass surface, the part of the light passing into the glass: will now not exchange its frequency.
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Zaboca Printing Limited (ZPL) has only one working printer. Eight (8) customers submitted their orders today Monday 6th June 2022. The schedule of delivery of these orders are as follows:
Jobs (in order of arrival) Processing Time (Days) Date Due
A 4 Monday 13th June 2022
B 10 Monday 20th June 2022
C 7 Friday 17th June 2022
D 2 Friday 10th June 2022
E 5 Wednesday 15th June 2022
F 3 Tuesday 14th June 2022
G 8 Thursday 16th June 2022
H 9 Saturday 18th June 2022
All jobs require the use of the only printer available; You must decide on the processing sequence for the eight (8) orders. The evaluation criterion is minimum flow time.
i. FCFS
ii. SOT
iii. EDD
iv. CR
v. From the list (i to iv above) recommend the best rule to sequence the jobs
The recommended rule to sequence the jobs for minimum flow time is the EDD (Earliest Due Date) rule.
The EDD rule prioritizes jobs based on their due dates, where jobs with earlier due dates are given higher priority. By sequencing the jobs in order of their due dates, the goal is to minimize the total flow time, which is the sum of the time it takes to complete each job.
In this case, applying the EDD rule, the sequence of jobs would be as follows:
D (Due on Friday 10th June)
F (Due on Tuesday 14th June)
E (Due on Wednesday 15th June)
C (Due on Friday 17th June)
G (Due on Thursday 16th June)
H (Due on Saturday 18th June)
A (Due on Monday 13th June)
B (Due on Monday 20th June)
By following the EDD rule, we aim to complete the jobs with earlier due dates first, minimizing the flow time and ensuring timely delivery of the orders.
Therefore, the recommended rule for sequencing the jobs in this scenario is the EDD (Earliest Due Date) rule.
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ANYONE HELP PLEASE<3
Answer:
y = (2/3)x + 7
Step-by-step explanation:
Slope intercept form is y = mx +b
1) We start off with y =
2) m = slope. Since we know that the slope is 2/3 we can plug it in. y = 2/3x
3) b is y-intercept which = 7.
Put it all together: y = 2/3 x + 7
Given the function f(x) = 3x3 + 7x2 + 5x, find f(-3).
es
A)
f(-3) = -3
B)
f(-3) = -33
C)
f(-3) = -129
D)
f(-3) = -159
Answer:
the ans is b -33
Step-by-step explanation:
by putting the -3 in the place of x and adding,subtracting
Let abcdef be a convex hexagon. let a', b', c', d', e', f' be the centroids of triangles fab, abc, bcd, cde, def, efa, respectively.
(a) show that every pair of opposite sides in hexagon a'b'c'd'e'f' (namely a'b' and d'e', b'c' and e'f', and c'd' and f'a') are parallel and equal in length.
(b) show that triangles a'c'e' and b'd'f' have equal areas.
(a) shows that every pair of opposite sides in the hexagon a′b′c′d′e′f′ are parallel and equal in length. On the other hand, (b) demonstrates that the triangles a′c′e′ and b′d′f′ have equal areas.
(a) To show that every pair of opposite sides in hexagon a'b'c'd'e'f' are parallel and equal in length, we can use the fact that the centroids of triangles divide the medians into segments of equal length.
Let's consider a'b' and d'e'. The centroid of triangle fab, a', divides the median fb into two segments, a'f and a'b', such that a'f = 2/3 * fb. Similarly, the centroid of triangle def, e', divides the median de into two segments, e'd and e'f', such that e'd = 2/3 * de.
Since fb = de (opposite sides of hexagon abcdef), we have a'f = e'd. Now, we can consider the triangles a'f'd' and e'df'. By the properties of triangles, we know that if two sides of a triangle are equal, and the included angles are equal, then the triangles are congruent.
In this case, a'f' = e'd' (as shown above) and angle a'f'd' = angle e'df' (corresponding angles). Therefore, triangle a'f'd' is congruent to triangle e'df'.
By congruence, the corresponding sides a'd' and e'f' are equal in length.
By similar reasoning, we can show that b'c' and e'f', as well as c'd' and f'a', are parallel and equal in length.
(b) To show that triangles a'c'e' and b'd'f' have equal areas, we can use the fact that the area of a triangle is one-half the product of its base and height.
In triangle a'c'e', the base is c'e' and the height is the perpendicular distance from a' to c'e'. Similarly, in triangle b'd'f', the base is d'f' and the height is the perpendicular distance from b' to d'f'.
Since opposite sides in hexagon a'b'c'd'e'f' are parallel (as shown in part (a)), the perpendicular distance from a' to c'e' is equal to the perpendicular distance from b' to d'f'.
Therefore, the heights of triangles a'c'e' and b'd'f' are equal. Additionally, the bases c'e' and d'f' are equal (as shown in part (a)).
Using the area formula, area = 1/2 * base * height, we can see that the areas of triangles a'c'e' and b'd'f' are equal.
Hence, we have shown that triangles a'c'e' and b'd'f' have equal areas.
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Jaylen has a summer job that pays $11.50 per hour. He states that a linear function can be used to model his earnings, E, in dollars, in terms of the number of hours, h, that he works
Determine whether each action below can be used by Jaylen to prove that a linear function models his earnings. Select Yes or No for each action
Answer:
Yes
No
No
Yes
Step-by-step explanation:
Show that any k-cycle (a1.....ak) can be written as a product of (k 1)2-cycles. Conclude that any permutation can be written as a product of some number of 2-cycles. Hint: For the first part, look at your compu- tations in Exercise 1.5.3 to discover the right pattern. Then do a proper proof by induction.
Any k-cycle (a1.....ak) can be written as a product of (k-1) 2-cycles. Therefore, any permutation can be written as a product of some number of 2-cycles.
To prove that any k-cycle can be written as a product of (k-1) 2-cycles, we use induction on k.
Base case: For k=2, the 2-cycle (a1 a2) is already a product of (2-1) = 1 2-cycle.
Inductive step: Assume that any (k-1)-cycle can be written as a product of (k-2) 2-cycles. Consider a k-cycle (a1 a2 ... ak).
First, we can write this k-cycle as a product of two cycles: (a1 ak) and (a1 a2 ... ak-1).
Then, by the induction hypothesis, the cycle (a1 a2 ... ak-1) can be written as a product of (k-2) 2-cycles.
Finally, we can express the original k-cycle as a product of (k-1) 2-cycles:
(a1 a2)(a2 a3)...(ak-2 ak-1)(ak-1 ak)(a1 ak)
Therefore, any k-cycle can be written as a product of (k-1) 2-cycles.
Since any permutation can be written as a product of cycles, and each cycle can be written as a product of 2-cycles, it follows that any permutation can be written as a product of some number of 2-cycles.
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find the particular solution of the differential equation x^2/y^2−3 dy/dx=1/2y satisfying the initial condition y(1)=4–√ .Y =
The particular solution of the differential equation x2/y2 - 3 dy/dx = 1/2y satisfying the initial condition y(1) = 4 - √ is y = x2/4 + (1/4)√x - 1/4.
Step 1: Solve the differential equation to obtain the general solution. This can be done by re-arranging the equation to separate the y terms and then integrating to find the function y as a function of x.
Step 2: Use the initial condition to find the particular solution. Substitute the known value of x=1 and the value of y(1) into the general solution to determine the value of the constant of integration.
Step 3: Write down the particular solution in terms of x. Substitute the constant of integration into the general solution to obtain the particular solution in terms of x.
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Please help !!!
The seventh-graders at the middle school are going on a field trip to Hurricane Harbor. They will spend 6 1/2 hours at the water park. The students will need to ride 5 different water slides while they are there. If the time is evenly distributed, how many minutes will the students spend at each water slide?
Answer:
exabit for about 51 min
Step-by-step explanation:
COMMET IF I BE WRONG
Answer:
6 1/2×60=390 390÷5=78
Step-by-step explanation:
They will have an hour and 18 minutes per each water ride.
What’s the line of y= -1/2x+2
Answer:
A picture of the graph is attached
Step-by-step explanation:
Owen uses colored pencils on his homework assignment. His red pencil is 12.195 centimeters long. His blue pencil is 9.13 centimeters long.
What is the total length of these two pencils if he lines them up end to end?
Enter your answer, as a decimal, in the circle.
Ocm
Answer: 12.195+9.13=21.325
Step-by-step explanation: hope this help
fraction help
im stuck in tis problme kindly help
Answer:
\(\frac{7}{48} = B\)
Step-by-step explanation:
Convert 3 to fraction 12\4
5\8 - 5\12( 12\4 - 1\4 ) + 2\3
-
Since 12\4 and 1\4 have the same denominator, subtract them by subtracting their numerators.
5\8 - 5\12 ( 12-1\4 ) + 2\3
-
Subtract 1 from 12 to get 11.
5\8 - 5\12 ( 11\4 ) + 2\3
-
multiply 5\12 times 11\4 by multiplying numerator times numerator and denominator times denominator.
5\8 - 5 x 11 \ 12 x 4 + 2\3
Do the multiplications in the fraction
5 x 11 \ 12 x 4
= 5\8 - 55\48 + 2\3
-
Least common multiple of 8 and 48 is 48.Convert 5\8 and 55\48 to fractions with denominator 48.
30\48 - 55\48 + 2\3
-
Since 30\48 and 55\48 have the same denominator, subtract them by subtracting their numerators.
30 - 55 \ 48 + 2\3
-
Subtract 55 from 30 to get −25.
-25\48 + 2\3
Least common multiple of 48 and 3 is 48. Convert -25\48 and 2\3 to fractions with denominator 48.
-25\48 + 32\48
Since -25\48 and 32\48 have the same denominator, add them by adding their numerators.
-
-25 + 32 \ 48
Add −25 and 32 to get 7.
7\48
part 2 of important test, all solutions need to be the same
helppp
The solution of the quadratic equation using the quadratic formula is
x = 4 + 2√6 or 4 - 2√6
How to solve a quadratic equation using quadratic formula?The quadratic formula is a formula used to solve quadratic equations, which are equations of the form ax² + bx + c = 0 where a, b, and c are constants. The quadratic formula is:
x = (-b±√(b²-4ac))/(2a)
Given: x² - 8x - 84 = 0
Here, a = 1, b = -8 and c = -84
x = (-b±√(b²-4ac))/(2a)
x = [-(-8)±√((-8)²-[4×1×(-8)])]/(2a)
x = [8±√(96)]/2
x = (8± 4√6)/2
x = 4 ± 2√6
x = 4 + 2√6 or 4 - 2√6
Thus, the solution is x = 4 + 2√6 or 4 - 2√6
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in a game of poker, what is the probability that a five-card hand will contain (b) four of a kind, and (c) a full house (three cards of one value and two cards of another value)?
(b) We have 13 possibilities that a five-card hand will contain four of a kind.
(c) We have 12 possibilities that a five-card hand will contain a full house.
What do you mean by probability?The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.
The probability of an occurrence is a number between 0 and 1, with 1 representing certainty and 0 representing impossibility.
Since there are no other conceivable outcomes and the coin is fair, the odds of both the possibilities, "heads" and "tails," are equally likely to occur. As a result, the probability of either occurrence is half (which could also be written as 0.5)
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Evaluate -1-(-z) when z=-2
After Evaluating -1-(-z) when z=-2, the result of the given expression would be 1.
What is an expression in mathematics?In mathematics, an expression is a combination of numbers, variables, and operators (such as +, -, *, /, etc.) that represents a value or a computation.
An expression in mathematics is made up of a combination of variables, numbers, and functions (such as addition, subtraction, multiplication or division etc.) In some ways, phrases and expressions are similar. While a phrase by itself in language may contain an action, it does not constitute a complete sentence.
Arithmetic operators and numbers make up a mathematical numerical expression. No equality or inequality symbols, or unidentified variables, are present. Indeterminate variables, numbers, and arithmetic operators make up an algebraic expression. Neither equality nor inequality symbols can be found in it.
Evaluating the expression -1-(-z) when z=-2:
-1-(-z) = -1-(-(-2)) = -1+2 = 1
Hence, the result of the given expression would be 1.
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Soledad buys 5 ounces of frozen yogurt for $2.25. What is the unit price of the frozen yogurt in dollars per ounce?
Answer:
0.45
Step-by-step explanation:
You divided 2.25 by 5
18. If f(x) = arccos(x^2), then f'(x) =
The derivative of f(x) = arccos(x^2) is: f'(x) = -2x / √(1-x^4)
The derivative of f(x) = arccos(x^2), we'll use the chain rule. The chain rule states that the derivative of a composite function is the derivative of the outer function times the derivative of the inner function. In this case, the outer function is arccos(u) and the inner function is u = x^2.
First, let's find the derivative of the outer function, arccos(u). The derivative of arccos(u) is -1/√(1-u^2). Next, we'll find the derivative of the inner function, x^2. The derivative of x^2 is 2x.
Now we'll apply the chain rule. We have:
f'(x) = (derivative of outer function) * (derivative of inner function)
f'(x) = (-1/√(1-u^2)) * (2x)
Since u = x^2, we'll substitute that back into our equation:
f'(x) = (-1/√(1-x^4)) * (2x)
So, the derivative of f(x) = arccos(x^2) is:
f'(x) = -2x / √(1-x^4)
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the gas mileage for a certain model of car is known to have a standard deviation of 6 mi/gallon. a simple random sample of 36 cars of this model is chosen and found to have a mean gas mileage of 28.4 mi/gallon. construct a 99% confidence interval for the mean gas mileage for this car model. a) (27.971, 28.829) b) (12.944, 43.856) c) (25.824, 30.976) d) (26.074, 30.726) e) (14.444, 42.356) f) none of the above
99% confidence interval for the mean gas mileage for this car model is
(27.971, 28.829).
Given;
The gas mileage for a certain model of car is known to have a standard deviation of 6 mi/gallon.
A simple random sample of 36 cars of this model is chosen and found to have a mean gas mileage of 28.4 mi/gallon.
A = 1 - 0.990
=0.010
Hence, Z (0.010/2) = 0.477 (from the standard normal table)
So 99% confidence interval is;
⇒ X - Z /- Z + X
= 28.4 - 0.477, 28.4 + 0.477
= (27.971, 28.829)
99% confidence interval for the mean gas mileage for this car model is
(27.971, 28.829).
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Sum trigonometry to spice up ur evening lol
Answer:
x ≈ 23.6°
Step-by-step explanation:
Using the sine ratio in the right triangle
sinx° = \(\frac{opposite}{hypotenuse}\) = \(\frac{2}{5}\) , thus
x = \(sin^{-1}\) (\(\frac{2}{5}\) ) ≈ 23.6° ( to the nearest tenth )
A freezer is shaped like a rectangular prism. It has a length of 8 feet and a height of 3 feet. The volume is 54 cubic feet. Find the width of the freezer.
show your work
The width of the freezer is 2.25ft
Volume of a rectangular prismThe formula for calculating the volume of rectangular prism is expressed as:
V = lwh
Given the following
length l = 8feet
w is the width
height h = 3feet
Substitute
54 = 8*3w
54 = 24w
w = 54/24
w = 2.25ft
Hence the width of the freezer is 2.25ft
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What is the place value of 9 in 194.6 (full explanation is NOT neccesarry!)
For the plate occupying the square 0 $ r < 1,0 or = in each blank. You don't need to do the computation - just use your intuition. (a) 81(2. y) = 1: cy (b) 89(, y) = 2 – 1 – y: Gr 7 Com (C) 83(1. y) = (1 - 1)?y?: I EN
The correct choices for the blanks are:
(a) 0 or = (b) < or = (c) < or =
What are the correct symbols to fill in the blanks?In the given options, the correct symbols to fill in the blanks are as follows:
(a) The inequality 81(2. y) = 1 corresponds to 0 or =, meaning that the expression is true when y is either 0 or equal to 1.
(b) The inequality 89(, y) = 2 – 1 – y corresponds to < or =, indicating that the expression is true when y is less than or equal to 2 minus 1 minus y.
(c) The inequality 83(1. y) = (1 - 1)?y? corresponds to < or =, indicating that the expression is true when y is less than or equal to the result of (1 - 1) multiplied by y.
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how many pattern block triangles would create 3 hexagons
If you draw all the diagonals of a normal hexagon, there are 3*6=18 possible triangles; however, three of those are identical (the equilateral triangles), leaving us with 18-3=15 triangle possibilities.
In terms of geometry, a hexagon is a closed, six-sided polygon in two dimensions. A hexagon has six angles and six vertices. Hexa and gonio both denote the number six. A hexagon can be found in the shapes of a honeycomb, a football, a pencil face, and floor tiles. a standard hexagonal 2D geometric polygon with six equal-length sides and six equal-sized angles. All of the lines are closed, and there are no curving edges. A regular hexagon has 720 degrees of internal angles. Additionally, these shapes have six rotating and six reflective symmetries.
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Determine the direction angle (in degrees) for each vector: . Make sure you're using degrees instead of radians. • If you use a decimal approximation, you must be accurate to at least 3 decimal places. a. (5,2) has direction angle: 0: 21.801 b. (-2, 11) has direction angle: 101.31 c. (7,-3) has direction angle: d. (-8, -14) has direction angle: 0 60.26 Hint: Find the magnitude and the direction angle in degrees for: Magnitude: |||| = Direction angle: v = (-8√3,-8) Compute the sum: Hint: n=1 1 n+7
The given vectors are:(5,2), (-2,11), (7,-3), and (-8,-14).
The direction angle of a vector is the angle between the vector and the positive x-axis measured counterclockwise. Therefore, the direction angle of vector v = (x,y) is given by θ = tan⁻¹(y/x).a. For vector (5,2), direction angle is given by:θ = tan⁻¹(2/5) = 21.801 degrees (rounded to 3 decimal places)b.
For vector (-2,11), direction angle is given by:θ = tan⁻¹(11/-2) = 101.31 degrees (rounded to 3 decimal places)c. For vector (7,-3), direction angle is given by:θ = tan⁻¹(-3/7) = -23.198 degrees (rounded to 3 decimal places)Note that the direction angle here is negative because the vector points towards the negative x-axis.d.
For vector (-8,-14), direction angle is given by:θ = tan⁻¹(-14/-8) = 60.26 degrees (rounded to 3 decimal places)
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What to do if the bases and exponents are different?
If the bases of two exponential expressions are different, they cannot be directly compared or combined.
THE BASE AND EXPONENTSYou can convert one of the bases to match the other by using logarithm properties. For example, if you want to compare or combine 2³ and 3², you can convert the base of one of them to match the other by using the logarithm property log3(3²) = 2, so 3² can be rewritten as 2^(log3(3²)) = 2².
If you want to add or subtract exponential expressions with different bases, you can convert one of the bases to match the other by using logarithm properties, then combine the exponents. For example, if you want to add 2³ and 3², you can convert the base of one of them to match the other by using the logarithm property log2(3) = 1.58496, so 3² can be rewritten as 2^(log2(3)*2) = 2^3.18992. Now you can add the two exponents: 2³ + 2^3.18992 = 2³ (1 + 2^0.18992).
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3 9 points Write the point-slope form of an equation for a line that passes through the point with the given slope. wich 14) (1, 5), m= F. y - 5 = {(x - 1) G. y - 5 = 5(x - 1) H. y + 5 = $(x - 1) J. y - 5 = (x+1)
Answer:
Its G
Step-by-step explanation:
when you solve for G it gives you _5/3 as the slopes
Assume the distribution of IQ scores for adults can be modeled with a normal distribution with a mean score of 100 points and a standard deviation of 10 points. 90% of adults will have an IQ score higher than what value?
The IQ score that is higher than 90% of the population is 112.8.
We know that the IQ scores follow a normal distribution with a mean of 100 and a standard deviation of 10.
Let X be the random variable representing the IQ scores. We want to find the value x such that 90% of the observations lie above x.
Using the standard normal distribution table or calculator, we can find the z-score corresponding to the 90th percentile as 1.28.
The z-score formula is z = (x - μ) / σ, where μ is the mean, σ is the standard deviation and x is the value we want to find.
Plugging in the values, we get 1.28 = (x - 100) / 10. Solving for x, we get x = 100 + 12.8 = 112.8.
Therefore, the IQ score that is higher than 90% of the population is 112.8.
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Fred sold 14 rolls of wrapping paper for a band fundraiser earning the band $17. 50. Sharon sold 16 rolls of wrapping paper and earned $20. 00 for the band. If this relationship is graphed with the number of rolls sold on the x-axis and the money earned on the y-axis, what is the slope of the graph in dollars per roll?.
Answer: $1.25 Per Roll
Step-by-step explanation:
(14,17.50) and (16,20)