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Which statement is true?
The value of 8,590 − 4,586 is half the value of 2 x (8,590 − 4,586).
The value of 2,674 x 5,480 + 5 is 5 times the value of 2,674 + 5,480.
The value of 6,432 x (1,860 − 6) is 6 less than the value of 6,432 x 1,860.
The value of 2,876 x (9,280 + 8) is 8 more than the value of 2,876 x 9,280.
Answers
Answer:
answer is A i took the testStep-by-step explanation:
8,590 − 4,586 = 4,0042 x (8,590 − 4,586) is 8,008 so its half ur welcome give brainliest plzRelated Questions
What is the total area, in square units, of the four triangular faces of a right, square-based pyramid that has base edges measuring 6 units and lateral edges measuring 5 units
Answers
Given :
Square-based pyramid that has base edges measuring 6 units and lateral edges measuring 5 units.
To Find :
The total area, in square units, of the four triangular faces of a right.
Solution :
We know, area of square based prism is given by :
\(A = a^2 + \dfrac{ah}{2}\)
Here, a is the length of square base and h is the height .
\(A = 6^2 + \dfrac{6\times 5}{2}\\\\A = 51 \ units^2\)
Therefore, total area in square units is 51.
The table represents the height of part of a fireworks display, h(t), depending on the time in seconds, t, that has passed. The Table is t 3, 4, 5, 6, 7 and h(t) 336, 384, 400, 384, 336
What are the restricted domain and range of the function?
Answer choices:
a. D={0≤t≤10} and R={0≤h(t)≤400}
b. D={3≤t≤7} and R={336≤h(t)≤400}
c. D={3≤t≤7} and R={0≤h(t)≤400}
d. D={0≤t≤10} and R={336≤h(t)≤400}
Answers
Answer:
A) D = {0 ≤ t ≤ 10} and R = {0 ≤ h(t) ≤ 400}
Step-by-step explanation:
for a posttest following anova, there are four different treatment groups. how many pairwise comparisons must be made to gain a complete understanding of which treatment effects differ significantly from others? a. 4 b. 6 c. 12 d. 24
Answers
There are 6 pairwise comparisons that need to be made in order to gain a complete understanding of which treatment effects differ significantly from others.
In order to determine which treatment effects differ significantly from others, we need to make pairwise comparisons between all possible pairs of treatment groups. Let's consider an example with four treatment groups labeled A, B, C, and D.
To determine which treatment effects differ significantly from others, we need to compare the mean scores of each treatment group with the mean scores of every other treatment group. This means we need to make the following pairwise comparisons:
A vs B
A vs C
A vs D
B vs C
B vs D
C vs D
Therefore, there are 6 pairwise comparisons that need to be made in order to gain a complete understanding of which treatment effects differ significantly from others.
It's worth noting that when making multiple pairwise comparisons, there is an increased risk of making a Type I error (i.e., rejecting the null hypothesis when it is actually true) due to the multiple testing problem. To control for this, researchers may choose to adjust the significance level or use methods such as the Bonferroni correction to adjust the p-values of the individual tests.
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Ashley had 4/ 5 of a spool of yarn. She used 2/5 of it for her project. What fraction of the spool was used for her project? Write your answer in simplest form
Answers
Ashley used 8/25 of the spool for her project.
To determine the fraction of the spool that Ashley used for her project, we need to multiply the fraction of the spool she had (4/5) by the fraction she used (2/5):
(4/5) * (2/5) = 8/25
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Determine if the following functions are increasing or decreasing, and compare their rates of change. A. Both functions are increasing and have different rates of change. B. Both functions are decreasing and have different rates of change. C. Both functions are increasing and have the same rate of change. D. Both functions are decreasing and have the same rate of change.
Answers
Both functions are decreasing and have the same rate of change.
========================================================
Explanation:
The slope intercept form is y = mx+b
m = slopeb = y interceptThe first equation y = -2x-3 has slope m = -2, which is the rate of change.
--------------------
Let's find the slope of the line through (0,0) and (3,-6)
\((x_1,y_1) = (0,0) \text{ and } (x_2,y_2) = (3,-6)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{-6 - 0}{3 - 0}\\\\m = \frac{-6}{3}\\\\m = -2\\\\\)
Or you can use the shortcut that m = y/x = -6/3 = -2. This shortcut only works when the line goes through the origin. We divide the nonzero x,y values.
The slope of the second line is the same as the first line's slope.
Both lines have the same rate of change.
Both lines are decreasing due to the negative slope value.
Visually, each line goes downhill as we move from left to right.
--------------------
Side note: Both lines have the same slope (-2), but different y intercepts. This makes the lines parallel.
Math division help if can
Answers
Answer: A. 2 17 /21
Step-by-step explanation:you divide them.You change both mixed number to improper fraction.which is 236 /9 divide 28 /3.You do kcf which stand for KEEP CHANGE FLIP.YOU KEEP 236/9 and change Divide to mulipction sign and flip 28/3 to 3/28.You multiply236 /9 and 28/3 which gives u 708 /252.After that u simply it to 59 /21 .Lastly change back to mix number which is 2 17/21.
Hope it helps bye ;)
what is the point slope and slope intercept form of (2,-6),(4,0)
Answers
Answer:
-6/-2=3 (the answer is 3)
Step-by-step explanation:
Change in y/ Change in x. How you do it: -6-0/2-4=-6/-2=3
Hope this helped :)
the integral jest to show that the series below converges. Then: 1. Find an upper bound for R₁, the remainder, in terms of n; 2. Find how many terms are needed to ensure that the remainder is less t
Answers
Now, we will test the convergence of the series. For that, we will apply the Integral Test. To apply the Integral test, we need to compare this series with the integral of the function .
Putting the values in the integral: Since the integral is convergent, so the given series is also convergent. Now, we will find an upper bound for R₁ in terms of n. To do this, we will use the formula of the remainder is a decreasing function, so we can apply the Integral test again.
Next, we will find how many terms are needed to ensure that the remainder is less than 0.001.To find the number of terms, we need to find n, such that Thus, we need at least n = 2 terms to ensure that the remainder is less than 0.001. Now, we will test the convergence of the series. For that, we will apply the Integral Test.
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do 18/14 and 10/15 have the same vaule explain why
Answers
Answer:
Step-by-step explanation:
18/14 and 10/15 don't have the same value. Only equivalent fractions have same value.
These two are not equivalent fractions
Answer:
No.
Step-by-step explanation:
Without much calculation, we can notice that 18/14 is actually greater than 10/15 since its numerator is greater than its denominator, making it greater than 1. However, 10/15 is less than 18/14 since its numerator is less than its denominator making it less than 1. In short:
18/14 > 1
10/15 < 1
18/14 > 10/15
State if the two triangles are congruent. If they are, state how you know.
Answers
Answer:
The triangles can be congruent.
Step-by-step explanation:
They are congruent if proven by SSS: 2 sides are clearly stated that they are congruent due to the marks they have.
The last side can be congruent if the diagonals are congruent in length by proving.
They can also be congeuent due to SAS because there is gonna be alternate interior angles due to the transversal.
Before the Euro came in, European countries had their own currencies.
France had the franc and Spain pesetas.
Use £1 = 9.60 francs to work out how much 45p is in francs.
Answers
Answer:
4.32 francs
Step-by-step explanation:
45p × £/(100p) × 9.6 francs / £ = 4.32 francs
Find each value without using a calculator.
tan π /2
Answers
The value of tan π/2 is undefined.
The value of tan π/2 can be found without using a calculator.
Step 1: First, let's recall the definition of tangent (tan) function. In a right triangle, the tangent of an angle is defined as the ratio of the length of the opposite side to the length of the adjacent side.
Step 2: In the case of π/2, which is 90 degrees, we can imagine a right triangle where the angle is 90 degrees. In this triangle, the adjacent side length would be zero, and the opposite side would have a non-zero length.
Step 3: However, since the length of the adjacent side is zero, the tangent function is not defined for π/2. This means that there is no numerical value for tan π/2.
Therefore, The value of tan π/2 is undefined.
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Unfortunately you injected lidocaine intra-arterially. The first sign of lidocaine toxicity would be, except....
a. circumoral numbness
b. tongue paresthesia
c. dizziness
d. cold
Answers
If lidocaine is injected intra-arterially, it can quickly lead to systemic toxicity. The first signs of toxicity may include circumoral numbness and tongue paresthesia, but these symptoms may be followed by more severe manifestations such as dizziness, seizures, and cardiac arrest.
The systemic effects of lidocaine are dose-dependent, meaning that the higher the dose, the more severe the symptoms.
Lidocaine is a local anesthetic that is commonly used for minor surgical procedures or dental work. It works by blocking the nerve signals that transmit pain to the brain. However, if it is injected into an artery, it can rapidly spread throughout the body and affect other organs, leading to potentially life-threatening complications.
If you suspect that a patient has been injected with lidocaine intra-arterially, it is important to act quickly. The first step is to stop the injection and monitor the patient closely for signs of toxicity. If the patient is experiencing severe symptoms, such as seizures or cardiac arrest, emergency treatment should be initiated immediately. Treatment may include administering medications to counteract the effects of the lidocaine or performing cardio-pulmonary resuscitation (CPR) if necessary.
In conclusion, the first signs of lidocaine toxicity may include circumoral numbness and tongue paresthesia, but more severe symptoms may follow, such as dizziness, seizures, and cardiac arrest. If you suspect that a patient has been injected with lidocaine intra-arterially, it is important to act quickly to prevent potentially life-threatening complications.
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2 2.1 Mathematical intro show that there is another form for spherical harmonics: 1 3 3 Y₁ x iy 1/√√2 (²-1) 2πT 2π 1 3 3 z YO 2 2π π r 1 3 x iy Y₁¹ 3 2π - - 12 √ √ 2² (²+²) 2 2π
Answers
Spherical harmonics are an integral part of quantum mechanics. They describe the shape of the orbitals, which electrons occupy in atoms. Moreover, the spherical harmonics provide the angular distribution of a wave in spherical coordinates. In 3D, the spherical harmonics can be written as:
Ylm(θ, φ) = √(2l + 1)/(4π) * √[(l - m)!/(l + m)!] * Plm(cosθ) * e^(imφ)
Here, l and m are known as the angular quantum numbers. They define the shape and orientation of the orbital. Plm(cosθ) represents the associated Legendre polynomial, and e^(imφ) is the exponential function. The spherical harmonics have various forms, including:
Y1,1 = -Y1,-1 = 1/2 √(3/2π) sinθe^(iφ)
Y1,0 = 1/2 √(3/π)cosθ
Y2,2 = 1/4 √(15/2π)sin²θe^(2iφ)
Y2,1 = -Y2,-1 = 1/2 √(15/2π)sinθcosφ
Y2,0 = 1/4 √(5/π)(3cos²θ-1)
Y0,0 = 1/√(4π)
The spherical harmonics have various applications in physics, including quantum mechanics, electrodynamics, and acoustics. They play a crucial role in understanding the symmetry of various systems. Hence, the spherical harmonics are an essential mathematical tool in modern physics. Thus, this is how one can show another form for spherical harmonics.
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help? plssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
Answers
Answer:
you're right, d measures 180 degrees
Step-by-step explanation:
the protractor is measuring a straight line and straight lines measure 180 degrees
hope this helps
For each of the following situations, decide what sampling method you would use. Provide an explanation of why you selected a particular method of sampling.
a. The major state university in the state is attempting to lobby the state legislature for a bill that would allow the university to charge a higher tuition rate than the other universities in the state. To provide a justification, the university plans to conduct a mail survey of its alumni to collect information concerning their current employment status. The university grants a wide variety of different degrees and wants to make sure that information is obtained about graduates from each of the degree types. A 5% sample of alumni is considered sufficient.
b. The Environmental Protection Agency (EPA) is required to inspect landfills in the United States for the presence of certain types of toxic material. The materials were sealed in containers and placed in the landfills. The exact location of the containers is no longer known. The EPA wants to inspect a sample of 1000 containers from the 40,000 containers know to be in the landfills to determine if leakage from the containers has occurred.
Answers
a. The sampling method that I would use for the given scenario is stratified random sampling.
b. The sampling method that I would use for the given scenario is systematic sampling.
Stratified random sampling is the most effective way to get accurate results in this situation. The university wants to conduct a mail survey of its alumni to collect information about their current employment status to justify charging a higher tuition rate than other universities. Stratified random sampling divides the population into strata based on certain characteristics.
In this case, strata would be the alumni that have different degrees from the university. The information collected through this method will be more representative of the population than simple random sampling. It ensures that each stratum is represented accurately in the sample. It also minimizes the variability within each stratum. It is an effective way of ensuring that each stratum is properly represented.
Systematic sampling involves selecting every kth element from a list of the population. In this situation, the Environmental Protection Agency (EPA) wants to inspect a sample of 1000 containers from the 40,000 containers known to be in landfills to determine if leakage from the containers has occurred. As the exact location of the containers is no longer known, systematic sampling can be used.
EPA can select every 40th container from the list of the population, as 40,000/1000 = 40. In this way, they will have a random sample of 1000 containers from the 40,000 containers. This sampling method is less time-consuming and more cost-effective than other sampling methods. It also ensures the sample is representative of the entire population.
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I will give you 40 points if you answer correctly
What is the distance of segment FG?
Answers
Answer:
dmfirnwudodnwbdovnwidovnwjchehqodnvnwocnfbwbxocjejajxkfek
The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable. A mapping diagram with one circle labeled x-values containing values negative 8, negative 5, negative 1, 1, and 12 and another circle labeled y values containing values negative 4 and negative 2 and arrows from negative 8 to negative 4, negative 5 to negative 2, negative 1 to negative 2, 1 to negative 2, 12 to negative 4, and 12 to negative 2. Is the relation a function? Explain. Yes, because for each input there is exactly one output Yes, because for each output there is exactly one input No, because for each input there is not exactly one output No, because for each output there is not exactly one input
Answers
Is the relation a function: C. No, because for each input there is not exactly one output.
How to determine the relationships that represent functions?In Mathematics, a function is typically used for uniquely mapping an independent value (input variable or domain) to a dependent value (range or output variable).
This ultimately implies that, an independent value represents the value on the x-axis of a cartesian coordinate while a dependent value represents the value on the y-axis of a cartesian coordinate.
Since the independent value (12) is mapped to multiple dependent values (-4 and -2), we can logically deduce that the relation does not represent a function.
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Probability part 2 is shunya is going to spin the spinner 200 times. (B) work out an estimate for the number of times the spinner will land on 3 (please show working out ) :)
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Solve for x. Round your answer to the nearest tenth and type it in the blank without units.
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The opposite side of the right triangle (x) is approximately 6.888 inches long.
Right angle triangleTo solve this problem, we can use the trigonometric ratio for the sine function, which is opposite/hypotenuse. We have the hypotenuse as 12 inches and the opposite angle as 35 degrees, so we can set up the equation:
sin(35) = opposite/12
To solve for the opposite, we can multiply both sides by 12:
opposite = 12 * sin(35)
sin(35) as approximately 0.574:
opposite = 12 * 0.574
opposite ≈ 6.888
Therefore, the opposite side of the right triangle (x) is approximately 6.888 inches long.
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If f(x) = 6x – 4, what is f(x) when x = 8?Which represents where f(x) = g(x)?
Answers
What is the value of a in the equation a = 2 + 3a + 8? (5 points)
Group of answer choices
5
10
−5
−10
Answers
Step-by-step explanation:
a = 2 + 3a + 8
a = 10 + 3a
a - 3a = 10
-2a = 10
a = -5
Write an addition problem that has a sum of -24. Include one positive number and one negative number in the problem
Answers
-26 + 2 = -24
I hope this helps you, have a great rest of your day. :)
Answer:
-30 + 6 = -24
Step-by-step explanation:
Having -30 as the first number in the equation makes the equation negative. But by adding 6, then it will be -24, which is the answer we are trying to get to.
Hope this helped!
brainly?...
PLEASE HELP ME WITH THIS QUESTION, ILL BRAINLIEST YOU
Answers
Answer:
y = 56.9
Step-by-step explanation:
100 + 13x = 180
13x = 80
x= 80/13
7(80/13) + y = 100
y = 56.9
A same side interior angle of two parallel lines is 20° less than the other same side interior angle. Find the measures of these two angles.
Answers
Answer:
80º and 100º
Step-by-step explanation:
Which two ordered pairs would represent points on a graph of 5x + 6y = 12?
A.(-3, 6)
B.(0, 2)
C.(5, 6). D.(6,-3)
E. (11, 12)
Answers
3) Manuel constructs a scale model of a building with a rectangular base.
Her model is 3 inches in length and 1 inch in width. The scale on the model
is 1 inch = 43 feet. What is the actual area, in square feet, of the base of
the building? (draw it out to help answer the question)
Answers
Answer:
14
Step-by-step explanation:
Answer:
B
Step-by-step explanationHelp needed ASAP will give BRAINLIEST
Answers
Consider the evolution of a TCP connection with the following characteristics. Assume that all the following algorithms are implemented in TCP congestion control: slow start, congestion avoidance, fast retransmit and fast recovery, and retransmission upon timeout. If ssthresh equals to cwnd, use the slow start algorithm in your calculation.
• The receiver acknowledges every segment, and the sender always has data available for transmission. All TCP segments have the same size (say, 1 unit).
• The network latency in sending a segment (header and payload) from the sender to the receiver is 30ms and the network latency in sending an acknowledgment (header only) from the receiver to the sender is 20ms. Ignore packet processing delays at the sender and the receiver.
• Initially ssthresh at the sender is set to 4. Assume cwnd and ssthresh are measured in segments. Retransmission timeout (RTO) is initially set to 500ms at the sender and updated to 150 ms during the connection lifetime.
• The connection starts to transmit data at time t = 0, and the initial sequence number starts from 1. Segment with sequence number 5 is lost once. No other segments are lost.
How long does it take, in milliseconds, for the sender to receive the ack for the segment with the sequence number 12? show your diagram.
Answers
It takes 350ms for the sender to receive the ack for the segment with the sequence number 12.
To calculate the time it takes for the sender to receive the ack for the segment with the sequence number 12, we need to consider the network latency for sending a segment from the sender to the receiver (30ms) and the network latency for sending an acknowledgment from the receiver to the sender (20ms). We also need to consider the initial sequence number (1) and the fact that the segment with sequence number 5 is lost once.
Here is a diagram showing the evolution of the TCP connection:
| Time (ms) | Event | cwnd | ssthresh | RTO |
|-----------|-------|------|----------|-----|
| 0 | Connection starts | 1 | 4 | 500 |
| 30 | Segment 1 sent | 1 | 4 | 500 |
| 50 | Ack for segment 1 received | 2 | 4 | 500 |
| 80 | Segment 2 and 3 sent | 2 | 4 | 500 |
| 100 | Ack for segment 2 received | 3 | 4 | 500 |
| 120 | Ack for segment 3 received | 4 | 4 | 500 |
| 150 | Segment 4, 5, 6, and 7 sent | 4 | 4 | 500 |
| 170 | Ack for segment 4 received | 5 | 4 | 500 |
| 190 | Ack for segment 6 received | 6 | 4 | 500 |
| 220 | Segment 8, 9, 10, 11, and 12 sent | 6 | 4 | 500 |
| 240 | Ack for segment 7 received | 7 | 4 | 500 |
| 260 | Ack for segment 8 received | 8 | 4 | 500 |
| 290 | Ack for segment 9 received | 9 | 4 | 500 |
| 310 | Ack for segment 10 received | 10 | 4 | 500 |
| 330 | Ack for segment 11 received | 11 | 4 | 500 |
| 350 | Ack for segment 12 received | 12 | 4 | 500 |
From the diagram, we can see that the sender receives the ack for the segment with the sequence number 12 at time t = 350ms. Therefore, it takes 350ms for the sender to receive the ack for the segment with the sequence number 12.
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Choose all the options that describe the result of multiplication look at photo
Answers
Answer:
irrational
Step-by-step explanation: