The sum of two oppositely traveling EM waves in free space, with E1 Â Eo sin (wt - kz) and E2 Â Eo sin(Wt + kz) is a standing wave.
The two oppositely traveling EM waves in free space, with E1 Â Eo sin (wt - kz) and E2 Â Eo sin(Wt + kz) show that the sum of these two waves is a standing wave.
The two waves interfere to create a wave that doesn't appear to be moving. The standing wave is represented by E Â 2E0 cos(kz) sin(wt), where E0 is the maximum amplitude of the electric field and k is the wave number.
To find the magnetic field associated with each traveling wave, Maxwell's version of Ampere's Law can be used.The magnetic field associated with each wave is given by
B = µoE / c where µo is the permeability of free space and c is the speed of light in a vacuum.
Therefore, the magnetic field associated with each traveling wave is given by
B1 = µoE1 / c and B2 = µoE2 / c.
The Poynting vector for each traveling wave is given by
S = E x B µo. Therefore, the Poynting vector for the two waves is given by S1 = E1 x B1 µo and S2 = E2 x B2 µo .
The time-average value of the Poynting vector is given by (1 / 2) E0² µo. The direction of the Poynting vector is perpendicular to the direction of propagation of the wave, and it represents the rate at which energy is transported by the wave.
The total magnetic field associated with the standing wave is given byB = B1 + B2. Substituting the expressions for B1 and B2 yields
B = µo / c (E1 - E2).
The Poynting vector for the standing wave is given by S = E x B µo.
Substituting the expressions for E and B yields
S = (2E0 sin(kz))² µo / 4c = E0² µo sin²(kz) / c.
The time-average value of the Poynting vector is (1 / 2) E0² µo, which is the same as that of the individual waves
The sum of two oppositely traveling EM waves in free space, with E1 Â Eo sin (wt - kz) and E2 Â Eo sin(Wt + kz) is a standing wave. Maxwell's version of Ampere's Law is used to find the magnetic field associated with each traveling wave. The Poynting vector for each traveling wave is found, and the time average value for each is determined. The total magnetic field associated with the standing wave is calculated. Finally, the Poynting vector for the standing wave is found, and the time average value is determined.
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what is the distance between 4, 6 and 3,2
Answer:
Distance = 4.1231
Step-by-step explanation:
D = √((x2 - x1)^2 + (y2 - y1)^2
D = √((3 - 4)^2 + (2 - 6)^2)
D = √((-1)^2 + (-4)^2
D = √1+16
D = √17
D = 4.1231
show that zork's algorithm always gets within a factor of 2 of the optimal solution
Zork's algorithm guarantees that it always gets within a factor of 2 of the optimal solution because of the way that it combines the solutions from the left half and the right half. Zork's algorithm is an algorithm that is used to solve optimization problems.
Zork's algorithm always gets within a factor of 2 of the optimal solution. Zork's algorithm works by dividing the problem into two halves and then recursively solving each half. In each step, the algorithm decides whether the optimal solution lies in the left half, the right half, or across the middle.
If the optimal solution is in the left half, the algorithm recursively solves the left half. If the optimal solution is in the right half, the algorithm recursively solves the right half. I
f the optimal solution is across the middle, the algorithm takes the best solution that it found in the left half and the best solution that it found in the right half and combines them. The algorithm stops when it has solved the problem to the desired accuracy.
Suppose that the optimal solution is across the middle and that the solution in the left half is l and the solution in the right half is r. Without loss of generality, suppose that l ≤ r. Then the combined solution is at most r.
But r is at most twice the optimal solution, because r is in the right half and the optimal solution is across the middle. Therefore, the combined solution is at most twice the optimal solution.
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Anyone know how to do???
Answer:
The answer is angle 7
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
It asks for the alternate exterior angle
1 is adjacent to 2
5 is interior
and 8 is not alternate to 2, so that leaves 7
Pls help me ASAP will make brainlist
Answer:
B
Step-by-step explanation:
use pythagoras first
x² + x² = (12√2)²
expand & simplify the squares
2x² = 144(2)
x² = 144
root both sides to get x
x = 12
A ramp is designed with the profile of a right triangle. The measure of one acute angle is 2 times the measure of the other acute angle. Find the measure of each angle.
Please help fast!!! I will give you 5 stars I really need this answered. Thank you!
Answer:
Measure of each angle is 90, 45, 45 degrees
Step-by-step explanation:
We know a right angle automatically is 90 degrees. An entire triangle is 180 degrees. Lets make our problem.
90 + 2x = 180
Subtract 90 from both sides: 2x = 90
Divide each side by 2: x = 45
I hope this helped, please mark Brainliest, thank you!
16. Determine the parametric equations of each line. a. the line that passes through (−5, 10) and has a slope of 3 b. the line that passes through (1, -1) and is perpendicular to the line (x, y) = (4, −6) + t(2, −2) c. the line that passes through (0, 7) and (0, 10)
a. The line passing through (-5, 10) with a slope of 3 can be parametrized as x = -5 + 3t and y = 10 + 3t.
b. The line passing through (1, -1) and perpendicular to (x, y) = (4, -6) + t(2, -2) can be parametrized as x = 1 + (-1/2)t and y = -1 + (1/2)t.
c. The line passing through (0, 7) and (0, 10) can be parametrized as x = 0 and y = 7 + t.
a. To determine the parametric equations for the line passing through (-5, 10) with a slope of 3, we can use the point-slope form of a line. The equation is given by y - y1 = m(x - x1), where (x1, y1) is the given point and m is the slope. Plugging in the values, we have y - 10 = 3(x - (-5)). Simplifying this equation gives y = 3x + 25. By letting x = -5 + t, we can obtain the parametric equations x = -5 + 3t and y = 10 + 3t.
b. To find the line perpendicular to (x, y) = (4, -6) + t(2, -2), we can use the fact that the slopes of perpendicular lines are negative reciprocals. The given line has a slope of -2/2 = -1. Thus, the perpendicular line will have a slope of 1. Using the point-slope form again with the point (1, -1), we get y - (-1) = 1(x - 1). Simplifying gives y = x. Therefore, the parametric equations for the perpendicular line are x = 1 + (-1/2)t and y = -1 + (1/2)t.
c. The line passing through (0, 7) and (0, 10) is a vertical line parallel to the y-axis. This means that the x-coordinate remains constant. Hence, the parametric equation for x is x = 0. As the line passes through (0, 7), we can let y = 7 + t, where t is the parameter. Therefore, the parametric equations for this line are x = 0 and y = 7 + t.
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Given the following functions, find each of the values: f(t) = tz - t - 42 r ( t ) = t+6 ( f t r ) ( - 5 ) = ( f - ) ( - 4) = ( fr)
(0) = ( - 3 ) =
(ftr)(-5) = -5z - 37
(f-)(-4) = -4z - 38
(fr)(0) = -252
(fr)(-3) = -9z - 117
To find the values of the given functions at specific inputs, we substitute the given inputs into the respective functions.
Given:
f(t) = tz - t - 42
r(t) = t + 6
Let's evaluate each value step by step:
(ftr)(-5):
First, substitute -5 into f(t) and then substitute the result into r(t).
f(-5) = (-5)z - (-5) - 42 = -5z + 5 - 42 = -5z - 37
r(-5) = (-5) + 6 = 1
(ftr)(-5) = (-5z - 37)(1) = -5z - 37
(f-)(-4):
First, substitute -4 into f(t).
f(-4) = (-4)z - (-4) - 42 = -4z + 4 - 42 = -4z - 38
(f-)(-4) = -4z - 38
(fr)(0):
First, substitute 0 into f(t) and then substitute the result into r(t).
f(0) = (0)z - (0) - 42 = -42
r(0) = (0) + 6 = 6
(fr)(0) = (-42)(6) = -252
(fr)(-3):
First, substitute -3 into f(t) and then substitute the result into r(t).
f(-3) = (-3)z - (-3) - 42 = -3z + 3 - 42 = -3z - 39
r(-3) = (-3) + 6 = 3
(fr)(-3) = (-3z - 39)(3) = -9z - 117
To summarize:
(ftr)(-5) = -5z - 37
(f-)(-4) = -4z - 38
(fr)(0) = -252
(fr)(-3) = -9z - 117
Please note that the values of the functions depend on the variable z, which is not provided in the given question. Therefore, the expressions remain in terms of z.
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1. Find the seven unknown angle measures in the diagram. Explain your
reasoning.
Answer:
Angle JC is 63.
Angle AJ is 117
Angle BC is 117
Angle DH is 63
Angle HF is 117
Angle FE is 63
Angle DE is 117
The cost of staying at a hotel is $129 per night for the room plus a resort fee of $9.95 for high-speed internet access. Write an equation that that represents the cost of staying at the hotel, C, for n nights.
Answer:
C=$129n+$9.95
Step-by-step explanation:
Cost = 129 dollars multiplied by n (number of nights) plus the initial fee of $9.95
So for 1 night: $138.95=$129(1)+9.95. The cost is $138.95 because you are multiplying $129 by 1, and then adding $9.95
Solve for x. Show your work with proper statements and notation.
a
Point O ∈
AB
Answer:
x=27
Step-by-step explanation:
m<AOB = 180
36+90+2x=180
x=27 degrees
Prepare journal entries to record the following merchandising transactions of Cabela's, which uses the perpetual inventory system and the gross method. July 1 Purchased merchandise from Boden Company for $6,000 under credit terms of 1/15,n/30, FOB shipping point, invoice dated July 1. July 2 Sold merchandise to Creek Company for $900 under credit terms of 2/10,n/60, FOB shipping point, invoice dated July 2 . The merchandise had cost $500. July 3 Paid $125 cash for freight charges on the purchase of July 1. July 8 Sold merchandise that had cost $1,300 for $1,700 cash. July 9 Purchased merchandise from Leight Company for $2,200 under credit terms of 2/15,n/60, FOB destination, invoice dated July 9. July 11 Returned $200 of merchandise purchased on July 9 from Leight Company and debited its account payable for that amount. July 12 Received the balance due from Creek Company for the invoice dated July 2 , net of the discount. July 16 Paid the balance due to Boden Company within the discount period. July 19 Sold merchandise that cost $800 to Art Company for $1,200 under credit terms of 2/15,n/60, FOB shipping point, invoice dated July 19. July 21 Gave a price reduction (allowance) of $100 to Art Company for merchandise sold on July 19 and credited Art's accounts receivable for that amount. July 24 Paid Leight Company the balance due, net of discount. July 30 Received the balance due from Art Company for the invoice dated July 19 , net of discount. credit terms of 2/10,n/60, FOB shipping point, invoice dated July 31 . Journal entrv worksheet Purchased merchandise from Boden Company for $6,000 under credit terms of 1/15,n/30, FOB shipping point, invoice dated July 1.
Accounts receivable (Art) $1,078Sales Discount $22Cash $1,100
Journal entry is a process of recording every transaction in a business in the order they take place. In the case of Cabela's, the following merchandising transactions were recorded:1. Purchased merchandise from Boden Company for $6,000 under credit terms of 1/15, n/30, FOB shipping point, invoice dated July 1The cost of merchandise purchased from Boden Company is debited while Accounts payable (Boden Company) is credited. The cost of merchandise is calculated as $6,000 * (1-1%) = $5,940 while the remaining $60 is the discount received.
Cost of merchandise $5,940Accounts payable (Boden) $5,9402. Sold merchandise to Creek Company for $900 under credit terms of 2/10, n/60, FOB shipping point, invoice dated July 2.The sales revenue is credited while the cost of goods sold is debited with the cost of the merchandise. This is because the cost of merchandise sold is an expense and expenses are debited.
Sales revenue $900Cost of goods sold $500Merchandise inventory $5003. Paid $125 cash for freight charges on the purchase of July 1The Freight Out expense is debited while Cash is credited.
Freight out expense $125Cash $1254. Sold merchandise that had cost $1,300 for $1,700 cashThe cash received for the sale is debited while the cost of goods sold is credited with the cost of the merchandise. This is because the cost of merchandise sold is an expense and expenses are debited.
Cash $1,700Cost of goods sold $1,300Merchandise inventory $1,3005. Purchased merchandise from Leight Company for $2,200 under credit terms of 2/15, n/60, FOB destination, invoice dated July 9The cost of merchandise purchased is debited while Accounts payable (Leight Company) is credited. The cost of merchandise is calculated as $2,200 * (1-2%) = $2,156 while the remaining $44 is the discount received.
Cost of merchandise $2,156Accounts payable (Leight) $2,1566. Returned $200 of merchandise purchased on July 9 from Leight Company and debited its account payable for that amount.The Accounts payable is debited with the amount of merchandise returned while the Merchandise inventory account is credited with the cost of the returned merchandise.Accounts payable (Leight) $200Merchandise inventory $2007. Received the balance due from Creek Company for the invoice dated July 2, net of the discountThe accounts receivable account is debited with the net amount received while the sales discount account is credited with the discount received.
Accounts receivable (Creek) $882Sales discount $18Cash $9008. Sold merchandise that cost $800 to Art Company for $1,200 under credit terms of 2/15, n/60, FOB shipping point, invoice dated July 19The sales revenue is credited while the cost of goods sold is debited with the cost of the merchandise.
This is because the cost of merchandise sold is an expense and expenses are debited.Sales revenue $1,200Cost of goods sold $800Merchandise inventory $8009. Gave a price reduction (allowance) of $100 to Art Company for merchandise sold on July 19 and credited Art's accounts receivable for that amount.
The allowance account is debited while Accounts receivable (Art Company) is credited.Allowance $100Accounts receivable (Art) $10010. Paid Leight Company the balance due, net of discountAccounts payable (Leight) is debited with the net amount paid while Cash is credited.Accounts payable (Leight) $2,128Cash $2,12811.
Received the balance due from Art Company for the invoice dated July 19, net of discount The accounts receivable account is debited with the net amount received while the sales discount account is credited with the discount received.
Accounts receivable (Art) $1,078Sales discount $22Cash $1,100
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Solve for X 5x+7=2x-2
[tex]5x+7=2x-2\\5x+7-2x+2=0\\3x+9=0\\3x=-9\\x=\frac{-9}{3} \\x=-3[/tex]
Thus, x = -3
[ Check ]
Substitute x = -3 in the equation
[tex]5(-3)+7=2(-3)-2\\-15+7=-6-2\\-8=-8[/tex]
The equation is true so the answer is x = -3 #
Answer:
move 2x over the equal sign do the same for seven so that the equation reads 5x - 2x = -2 - 7 so it will be 3x = -9 divide both sides by 3 x= -3
what is 20(21+68)-100+6
Lucie is struggling with Geometry and is in need of a private tutor. She has two candidates in mind. The veteran tutor charges $15 for the first session plus $60 per hour afterward. The new college graduate charges $45 for the first session plus $50 per hour afterward. How many hours must these two tutor in order to earn the same amount of money?
Answer:
2.33 hours
Step-by-step explanation:
Given
Veteran Tutor
[tex]Charges = \$15[/tex] --- first session
[tex]Hourly\ Rate = \$60[/tex]
College Graduate
[tex]Charges = \$45[/tex] --- first session
[tex]Hourly\ Rate = \$50[/tex]
Required
Determine the number of hours they earn the same amount
Represent the hours with x
First, we need to calculate the total charges for the veteran tutor for x hours;
[tex]Total = 15 + 60x[/tex]
Next, we need to calculate the total charges for the college graduate tutor for x hours;
[tex]Total = 45x + 50[/tex]
For them to earn the same amount, we have:
[tex]15 + 60x = 45x + 50[/tex]
Solving for x
[tex]60x - 45x = 50 - 15[/tex]
[tex]15x = 35[/tex]
Divide through by 15
[tex]x = \frac{35}{15}[/tex]
[tex]x = 2.33\ hours[/tex]
5. Find the difference of the square of 65 and the square of 45
The square of 65 and the square of 45 are separated by 2200.
We must first compute each square independently and then compare the two outputs to determine the difference between the squares of 65 and 45.
A number is multiplied by itself to produce the square of a number. Let's determine the squares of 65 and 45 now:
65 squared:
65 * 65 = 4225
45 squared:
45 * 45 = 2025
Find the difference between these two squares by doing the following:
4225 - 2025 = 2200
Consequently, 2200 is the difference between the squares of 65 and 45.
Consider the following to provide extra context for this:
The area of a square with each side is represented by the square of 65, which is 4225.65 units in size. Similarly, the area of a square with sides that are each 45 units long is represented by the square of 45, or 2025.
The difference in their areas, which is 2200 square units, can be calculated by deducting the area of the smaller square (2025) from the area of the larger square (4225).
As a result, the larger square, which corresponds to the square of 65, has 2200 square units more surface area than the smaller square, which corresponds to the square of 45.
In summary, there are 2200 units in the square of 65 and the square of 45.
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The difference between the square of 65 and the square of 45 is calculated by first finding the square of each number (4225 and 2025 respectively) then subtracting the smaller number from the larger one, resulting in a difference of 2200.
Explanation:The subject of this question is Mathematics. We are being asked to find the difference between the square of 65 and the square of 45. First, let's calculate the square of each number. The square of a number is found by multiplying the number by itself. So, the square of 65 is 65 * 65 = 4225 and the square of 45 is 45 * 45 = 2025.
Next, to find the difference between these two values, we subtract the smaller value (2025) from the larger value (4225). This gives us 4225 - 2025 = 2200.
Therefore, the difference of the square of 65 and the square of 45 is 2200.
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A process has the following transfer function: Gp(s) - 26-38 + 1)/(5s + 1) a. Using a P-controller, find the range of the controller gain that will yield a stable closed loop system. b. Simulate the process with the P controller to confirm the range of stability as determined in part (a).
The correct answer of a) the range of controller gain that will yield a stable closed-loop system is 0 ≤ Kp ≤ 1.6.
a. Using a P-controller, the range of the controller gain that will yield a stable closed-loop system is determined. A proportional controller (P-controller) is a feedback controller that performs a proportional action to the error signal (the deviation between the process variable and its set point). The closed-loop transfer function (CLTF) can be found by multiplying the plant transfer function and the controller transfer function. The feedback equation for a proportional controller is as follows: u(t) = Kp [e(t)] where u(t) is the control signal, Kp is the proportional gain, and e(t) is the error signal. The closed-loop transfer function (CLTF) for the system can be expressed as Gcl(s) = Gp(s) / (1 + Kp Gp(s))
Hence, the range of controller gain that will yield a stable closed-loop system is 0 ≤ Kp ≤ 1.6.
b. The process can be simulated with the P-controller to confirm the stability range determined in part (a). Simulink can be used for simulation purposes. The following is the Simulink model for the P-controller: Simulink model for P-controller. In this model, the “step” block is used to generate a step input signal. The “Gain” block is used to set the gain value for the controller. The “Transfer function” block represents the plant transfer function. The “Sum” block is used, to sum up the error signal and the control signal. The “Scope” block is used to view the output signal. By changing the gain value, the response can be observed, and the range of stability can be verified.
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Express $306 for 17 tickets as a unit rate.
Pls. Need Help I suck at unit Rates
Answer:
$18 per ticket
Step-by-step explanation:
you have to find the cost of one ticket so you divide 306 by 17 and you get $18
Can someone give me the answer and explanation I’ll give brainlist and points
108 students going on a field trip to pan for gold if they are going in bands that holds five students each how many Vans are needed how many students will ride in the van isn't full
QUESTION 10 Let f(x) = sin x and g(x) = cos x, and W = span{f,g}. 10.1 Use the Wronskian to show that f and g are linearly independent. (3) 10.2 For a R, let fi(x) = sin(x + a) and gi(z) = cos(z+a). Show that f₁.91 € W. (3) 10.3 Show that {f1,91} is linearly independent.
In Question 10, the functions f(x) = sin(x) and g(x) = cos(x) are considered, and W is defined as the span of f and g. The problem requires demonstrating the linear independence of f and g using the Wronskian. Additionally, for any real number a, new functions fi(x) = sin(x + a) and gi(x) = cos(x + a) are introduced, and it needs to be shown that f₁.91 ∈ W. Finally, it is required to prove that the set {f₁,91} is linearly independent.
10.1 To show that f and g are linearly independent, we can use the Wronskian. The Wronskian of two functions f(x) and g(x) is defined as the determinant of the matrix [f(x), g(x)] and its derivative [f'(x), g'(x)]. In this case, the Wronskian of f(x) = sin(x) and g(x) = cos(x) is:
W(f, g) = |sin(x) cos(x)|
|cos(x) -sin(x)|
Calculating the determinant, we get W(f, g) = sin^2(x) + cos^2(x) = 1. Since the Wronskian is nonzero (1 ≠ 0), f and g are linearly independent.
10.2 To show that f₁.91 ∈ W, we consider the function f₁.91(x) = sin(x + a). Since sin(x + a) can be rewritten as sin(x)cos(a) + cos(x)sin(a), we can express f₁.91 as a linear combination of f and g:
f₁.91(x) = sin(x)cos(a) + cos(x)sin(a) = cos(a)sin(x) + sin(a)cos(x) = g(x)cos(a) + f(x)sin(a).
Thus, f₁.91 is a linear combination of f and g, indicating that it belongs to the span W.
10.3 To show that {f₁,91} is linearly independent, we need to demonstrate that the only linear combination of f₁.91 that equals the zero function is the trivial combination where all coefficients are zero. Suppose we have c₁f₁.91(x) = 0 for some scalar c₁. Expanding this expression, we get c₁(sin(x + a)) = 0. Since sin(x + a) ≠ 0 for any x, this implies that c₁ must be zero. Therefore, the set {f₁,91} is linearly independent.
Overall, using the Wronskian, we established the linear independence of f and g, showed that f₁.91 belongs to the span W, and proved that {f₁,91} is linearly independent.
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Six percent of all cars manufactured at a large auto company are lemons. Suppose two cars are selected at random from the production line of this company. Let x denote the number of lemons in this sample. Write the probability distribution of x. X P(x) 0. 0.8836 1. 0.1060 2. 0.0564
The probability of getting 0 lemons in the sample is 0.8836, the probability of getting 1 lemon in the sample is 0.1060, and the probability of getting 2 lemons in the sample is 0.0564.
The probability distribution of x can be calculated as follows:
Given that 6% of all cars produced at a large auto company are lemons. This means that out of every 100 cars manufactured at the company, 6 of them are lemons.Let x denote the number of lemons in this sample. Then, x can take the values 0, 1, or 2. To find the probability of each value of x, we use the binomial probability formula, which is:
P(x) = (nCx) * p^x * (1-p)^(n-x)
where n is the sample size, p is the probability of success, and x is the number of successes.
The sample size is 2 because we are selecting two cars at random from the production line. The probability of success (getting a lemon) is 0.06. Using the binomial probability formula, we get:
P(0) = (2C0) * 0.06^0 * (1-0.06)^(2-0) = 0.8836
P(1) = (2C1) * 0.06^1 * (1-0.06)^(2-1) = 0.1060
P(2) = (2C2) * 0.06^2 * (1-0.06)^(2-2) = 0.0564
Therefore, the probability distribution of x is:X P(x) 0. 0.8836 1. 0.1060 2. 0.0564
In conclusion, the probability of getting 0 lemons in the sample is 0.8836, the probability of getting 1 lemon in the sample is 0.1060, and the probability of getting 2 lemons in the sample is 0.0564.
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-5y + 12 + 8y − 6 − 2 = ______ help plz
Answer:
(combine like terms)
-5y + 12 + 8y − 6 − 2
3y+12-8
3y+4
In a recent survey of 600 randomly selected voters in the town of Brookland, 482 are in favor of increasing funding for the town's mental health services. Based on the survey results, approximately how many of Brookland’s 19,310 voters are in favor of increasing funding for the town's mental health services?
Using the information provided above how many in the town are in favor of mental health services funding being increased? From the number of those in favor of increasing funding what is the percentage of voters? If there is a margin of error of 3% what would happen if they increased the number of those randomly selected to 1,200?
Create a document to capture your response. Make sure to show your work and explain how you arrived at your answer with at least 3 complete sentences. Upload to Dropbox when complete.
80.49% of Brookland voters support increasing funding for mental health services.
To estimate the number of voters in favor of increased funding for mental health services in Brookland, one can use the percentage of voters who participated in the survey and apply it to the total number of voters in the city.
The percentage of supporters of the financial increase is calculated by dividing the number of supporters by the total number of survey respondents:
Ratio = (482 / 600) = 0.8033
To estimate the number of voters, we multiply the proportion by the total number of voters in the city:
Estimated number of voters = 0.8033 * 19,310 = 15,541
An estimated 15,541 voters in Brookland support increasing funding for the city's mental health services.
To calculate the percentage of voters, we divide the estimated number of voters by the total number of voters in the city and multiply by 100:
Percentage of voters = (15,541 / 19,310) * 100 = 80.49%
Therefore, approximately 80.49% of Brookland voters support increased funding for mental health services.
If you increase the number of randomly selected voters to 1200, the margin of error decreases. A larger sample size usually provides a more accurate representation of the population.
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answers plz
i don’t get it
HELP NOW PLEASE!!!!!!!!!!!!
Answer:
Negative numbers are used in navigation and directions determination
Based on previous sales, Ron predicted sales of 80 pen sets. He actually sold 100 pen sets. Find the error and absolute error for the pen sets.
Answer: A=-20 B=20 its the right answer so your welcome
Answer:
A= -20, B = 20
Step-by-step explanation: just did the instruction on Edge
what is the value of x
Answer:
128
26 +26 is 52.
Total sum of the angles has to be 180.
180-52=128
Answer:
x = 128 degrees
Step-by-step explanation:
This is an isosceles triangle, so that means that both base angles equal 26 degrees.
The sum of a triangle is 180 degrees, so we can use that to solve for x.
x + 26 + 26 = 180
x + 52 = 180
x = 128
Hope this helps!
If 3x + 4y = 15, find an equation solving for x
Answer:
x=105
Step-by-step explanation:
3x+4y=15
3x+4y=7
7*15=105
x= 105
i really hopes this helps i did this in last semester
Given that x:28=7:x Calculate the positive value of x .
Answer:
14
Step-by-step explanation:
Please need help it’s due today.
9514 1404 393
Answer:
A, E, slope of 6B, F, slope of 1/4C, D, slope of 2/5Step-by-step explanation:
Each triangle represents a triangle that could be used to compute the slope of a line. That slope is the ratio of the vertical measure to the horizontal measure. For each of the triangles shown, the associated slopes are ...
A: 54/9 = 6
B: 15/60 = 1/4
C: 18/45 = 2/5
D: 16/40 = 2/5
E: 72/12 = 6
F: 13/52 = 1/4
Then the boxes on each horizontal line can be filled with ...
A: (E, 6)
B: (F, 1/4)
C: (D, 2/5)
