Answer:
where is the figure
Step-by-step explanation:
Concept Simulation 20.4 provides background for this problem and gives you the opportunity to verify your answer graphically. How many time constants (a decimal number) must elapse before a capacitor in a series RC circuit is charged to 47.0% of its equilibrium charge?
The number of time constants must elapse before a capacitor in a series rc will be 0.634rc.
Explanation:
Let us denote the equilibrium charge with qₐ
In the given question
for the duration we are to obtain the final charge on the capacitor should be 47% of qₐ
q= qₐ(1-e⁻t/rc)
Where q is the final charge = 47% = 0.47qₐ
RC is the time constant
substitute the values:
0.47qₐ= qₐ(1-e⁻t/rc)
e⁻t/rc=0.53
Taking natural log of both sides
ln(e⁻t/rc) = ln(0.53)
-t/rc = -0.634
t/rc =0.634
t=0.634rc
So the time constant will be t=0.634timeconstants
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Suppose y varies directly when x when x is 14 y is 7 write the equation that relates x and y
We know that y varies directly with x.
First we need to find the constant of variation
7=14k
k= 7/14
k=1/2
the equation that relates x and y is
\(y=\frac{1}{2}x\)Janet went shopping and spent $62.50. She bought a jacket for $35.00. She also bought a pair of pants.
The equation below represents the cost, p, of the pants Janet bought?
35.00 + p = 62.50
What was the cost of the pants?
Answer:
$27.5
Step-by-step explanation:
35.00+p=62.5
-35 -35
p=27.5
Therefore, the pants cost Janet 27.50 dollars.
What is the image point of (5,1)(5,1) after a translation right 5 units and down 2 units? PLS HELP ME
Answer:
the answer would be(0, -1) happy to help you ahmed
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
hope this helps
Which biconditional statement below is true?
Angles are congruent if and only if they are vertical angles.
Angles are congruent if and only if they are vertical angles.
Angles are supplementary if and only if their sum is 180°.
Angles are supplementary if and , only if their sum is 180°.
A number is a whole number if and only if it is a natural number.
A number is a whole number if and only if it is a natural number.
Points are collinear if and only if they are coplanar.
Points are collinear if and only if they are coplanar.
Answer: Angles are supplementary if and only if their sum is 180° is true.
Step-by-step explanation:
Test by making both parts negative: Angles are not supplementary if and only if their sum is not 180° This is also true.
Kenisha is about to call a Bingo number in a classroom game from 1-
75.
1. Describe an event that is likely to happen, but not certain, for the
number she calls.
2. Describe an event that is unlikely to happen, but not impossible, for
the number she calls.
3. Describe an event that is certain to happen for the number she calls.
PLEASE HELP WILL VOTE BRANLIEST ONLY IF ANSWER IS CORRECT 10 POINTS !!!!!!!!!
1. An event that is likely to happen, but not certain, for the number Kenisha calls is that it is a prime number. While there are several prime numbers between 1 and 75, it is not guaranteed that the number she calls will be prime. However, given the range of numbers, the probability of calling a prime number is relatively high.
2. An event that is unlikely to happen, but not impossible, for the number Kenisha calls is that it is a perfect square. Perfect squares are numbers that can be expressed as the square of an integer. In the range of 1 to 75, there are only a few perfect squares, so the chances of calling one as the bingo number are relatively low, but not impossible.
3. An event that is certain to happen for the number Kenisha calls is that it will be an integer. Since the game is played with whole numbers from 1 to 75, the number called will always be an integer, as it represents a specific whole number in the given range.
\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)
♥️ \(\large{\textcolor{red}{\underline{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)
The solution is given below.
1. An event that is likely to happen, but not certain, for the number Kenisha calls is that it will be an odd number. Since there are 75 numbers in total and half of them are odd, there is a higher probability that the number called will be odd.
2. An event that is unlikely to happen, but not impossible, for the number Kenisha calls is that it will be a perfect square. There are only a few perfect square numbers between 1 and 75, so the chances of calling a perfect square number are lower compared to other numbers.
3. An event that is certain to happen for the number Kenisha calls is that it will be a number between 1 and 75. Since the numbers in the game range from 1 to 75, any number called by Kenisha will definitely fall within this range.
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the set of all positive integers that are divisible by both 15 and 35 is infinite. what is the least positive integer in this set?550105210525
The least positive integer that will be divisible by both 15 and 35 will be 105.
The given integers are 15 and 35.
As we know that the least positive integer will be divisible by both 15 and 35 will be LCM ( least common factor) of 15 and 35.
The least common multiple of LCM of two integers is the common multiple of two numbers such that it is the least among all common multiples.
For example, LCM of 3 and 5 will be 15 because among all common multiples of 3 and 5, 15 will be least common multiple.
For LCM of 15 and 35, let's write multiples of both the numbers.
Multiples of 15 = 15,30,45,60,75,90,105,120,135,150,165,180,195,210,....
Multiples of 35= 35,70,105,140,175,210,...
We can see that 105 and 210 are two common multiples out of which 105 is the least multiple.
Therefore, the least positive integer that will be divisible by both 15 and 35 will be 105.
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HELP!!!
Which of the following represents the asymptote of the graph
As a Senior Surveyor you have been assigned a task to plan a Side Scan operation in search of an object in 200 m water. Explain the factors taken into consideration to officer-in-charge of the boat proceeding for a Side Scan survey.
As a Senior Surveyor planning a Side Scan operation in search of an object in 200 meters of water, there are several important factors to consider. Here are the key considerations that should be communicated to the officer-in-charge of the boat:
1. Object characteristics: Gather information about the object you're searching for, including its size, shape, and material composition. This will help determine the appropriate sonar frequency and settings to use during the Side Scan survey.
2. Bathymetry: Obtain accurate bathymetric data for the survey area to understand the water depths, contours, and potential obstacles. This information is crucial for planning the survey lines, ensuring safe navigation, and avoiding any hazards.
3. Side Scan sonar equipment: Assess the capabilities and specifications of the Side Scan sonar system to be used. Consider factors such as the operating frequency range, beam width, and maximum range. Ensure that the equipment is suitable for the water depth of 200 meters and can provide the required resolution for detecting the target object.
4. Survey area and coverage: Determine the extent of the search area and establish the coverage requirements. Plan the survey lines, considering the desired overlap between adjacent survey lines to ensure complete coverage. Account for any factors that may affect the survey, such as current conditions, tidal movements, or known features in the area.
5. Survey vessel and navigation: Assess the capabilities and suitability of the survey vessel for the Side Scan operation. Consider factors such as stability, maneuverability, and the ability to maintain a steady course and speed. Ensure the vessel is equipped with accurate navigation systems, such as GPS and heading sensors, to precisely track the survey lines.
6. Environmental conditions: Consider the prevailing weather conditions, such as wind, waves, and visibility. Ensure that the operation can be conducted safely within the given weather window. Additionally, be aware of any environmental regulations or restrictions that may impact the survey.
7. Data processing and analysis: Plan for the post-survey data processing and analysis, including the software and tools required to interpret the Side Scan sonar data effectively. Determine the desired resolution and sensitivity settings to optimize the chances of detecting the target object.
8. Safety and emergency procedures: Communicate the necessary safety precautions and emergency procedures to the officer-in-charge, ensuring the crew is aware of potential risks and how to mitigate them. This includes safety equipment, communication protocols, and emergency response plans.
By considering these factors and effectively communicating them to the officer-in-charge, you can help ensure a well-planned Side Scan operation in search of the object in 200 meters of water.
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It took a car 2 days to travel 2274 miles. What was this car's average speed, in miles per hour? (round to the nearest mile per hour)
Answer:
47 mph
Step-by-step explanation:
1 day = 24 hours, so 2 days = 48 hours.
2274/48 (2274 miles per 48 hours, simplify!) This equals 47.375. Round it down to 47 mph.
This is assuming the car took no breaks.
Hope this helps!
write and algebraic expression for nine times of the square of a number
Answer:
9• x2
Step-by-step explanation:
Well you have 9 and then you times(•) then X is the number we don’t know. Then x would be squared(like the image below).
what is the value of 3cubed
Answer:
27
Step-by-step explanation:
\(3^{3}\) is basically just multiplying the number 3, three times. So 3x3x3. 3x3 is 9, and when you multiply 3 more, it is 27.
Answer:
Step-by-step explanation: 3, because when 3 is cubed you get 27.
Describe the transformation of the graph of f (x)=eˣ represented by the graph of g(x)=eˣ⁻⁹+4.
need help putting these least to greatest , 0.81 , 0.9, 0.73, 0.7
Answer:
0.7 0.73 0.81 0.9
Step-by-step explanation:
hope this helps
FINAL!! Pls help
1. What is the y-value of the solution to the system of equations?
-7x + 5y = 6
7x + 4y = 12
Answer:
(4/7,2)
Step-by-step explanation:
x= 4/7
y= 2
characteristics of a number may be positive negative or always zero
Answer:
There is nothing positive or negative about zero. Zero is just zero. It is NEITHER positive NOR negative. To the right of zero on number line are positive numbers and on the left of zero, lie the negative numbers on the number line.
Answer:
Positive numbers are greater than 0 and located to the right of 0 on a number line. Negative numbers are less than 0 and located to the left of 0 on a number line. The number zero is neither positive nor negative.
Determine if the following equation is linear. If the equation is linear, convert i to standard form: ax+by=c
Given the equation:
\((10+y)^2-y^2=-3x+11\)Then, expanding and operating this equation leads to:
\(\begin{gathered} 10^2+2\cdot10\cdot y+y^2-y^2=-3x+11 \\ 100+20y=-3x+11 \end{gathered}\)There are no quadratic terms, so the equation is linear. Now, converting it to standard form:
\(20y+3x=-89\)1) Louis is dilating triangle ABC at right. He
multiplied each x-coordinate and y-coordinate of
triangle ABC by -2.
a. What are the new coordinates of the points?
To find the new coordinates of the points after Louis multiplied each x-coordinate and y-coordinate of triangle ABC by -2, we can use the following formulas:
New x-coordinate = -2 * old x-coordinate
New y-coordinate = -2 * old y-coordinate
Let's apply these formulas to each point in triangle ABC:
Point A: (-3, 4)
New x-coordinate of A = -2 * (-3) = 6
New y-coordinate of A = -2 * 4 = -8
New coordinates of A: (6, -8)
Point B: (1, 1)
New x-coordinate of B = -2 * 1 = -2
New y-coordinate of B = -2 * 1 = -2
New coordinates of B: (-2, -2)
Point C: (5, -2)
New x-coordinate of C = -2 * 5 = -10
New y-coordinate of C = -2 * (-2) = 4
New coordinates of C: (-10, 4)
Therefore, the new coordinates of the points after Louis multiplied each x-coordinate and y-coordinate of triangle ABC by -2 are:
A: (6, -8)
B: (-2, -2)
C: (-10, 4)
help please!!!!!!! WILL GIVE BRAINLYEST IF YOU REMIND ME!!! THANK YOUU
The Surface Area of the solid is 399.6 sq. m.
From the figure,
Given the side of composite solid
To find the Surface Area of the solid.
Let's Know,
How do you find surface area?
Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.
Now, According to the question:
Using Mathematical Knowledge find the surface area .
To see the figure,
Surface Area = (8 x 7 x 3 )/2 + 8 x 12 x 3 +( 8 x 6.9 ) / 2
Surface Area = 84 + 288 + 27.6
Surface Area = 399.6 sq. m.
Hence, The Surface Area of the solid is 399.6 sq. m.
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what is the next number in the sequence? 9….16….24….33…
The given sequence is 9, 16, 24, 33. To find the next number, let's look for a pattern in the differences between the terms.
The difference between 16 and 9 is 7, between 24 and 16 is 8, and between 33 and 24 is 9.
The pattern in the differences is that they are increasing by 1 each time. So, the next difference would be 10.
To find the next number, we add the next difference to the last term in the sequence. Adding 10 to 33 gives us 43.
Therefore, the next number in the sequence is 43.
To find the next number in the given sequence, we looked for a pattern in the differences between the terms. We observed that the differences were increasing by 1 each time. Using this pattern, we added the next difference to the last term in the sequence to find the next number.
The next number in the sequence 9, 16, 24, 33 is 43.
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While not technically a number or statistic words or phrases like many, often, occasionally, few or remarkably low amounts can be examples of the numbers & stats signpost
Words and phrases such as many, often, occasionally, few, or remarkably low amounts can be considered examples of the numbers and statistics signpost.
These expressions are used to provide a sense of quantity, frequency, or comparison within a given context. By using these terms, speakers or writers can convey information about the scale, frequency, or relative magnitude of a particular phenomenon or data point. When discussing numbers and statistics, it is often useful to provide additional context to enhance understanding. Words like many, often, occasionally, few, or remarkably low amounts serve as signposts to indicate the scale, frequency, or comparison associated with a specific data point or phenomenon.
For instance, the term "many" implies a large quantity or a significant number. It suggests that the subject being discussed is abundant or prevalent. On the other hand, "few" indicates a small quantity or a low number, indicating scarcity or rarity. These words help to convey a relative sense of magnitude or comparison, allowing the audience to understand the significance of the information being presented. Similarly, terms like "often" and "occasionally" provide insights into the frequency or regularity of an event or occurrence.
Additionally, the phrase "remarkably low amounts" conveys that the quantity being discussed is significantly below expectations or norms. It highlights the exceptional nature of the low amount, emphasizing the contrast between the observed value and what is typically anticipated. Overall, using words and phrases like many, often, occasionally, few, or remarkably low amounts within the context of numbers and statistics enhances communication by providing a qualitative understanding of quantity, frequency, or comparison. These signposts enable the audience to grasp the relative scale, occurrence, or significance of the information being shared.
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Jorge works at a dairy farm that ships eggs to restaurants. Jorge decides to try new packaging for the eggs to see if it results in fewer broken eggs. Jorge packs a random sample of 8 shipments with the current packaging and a random sample of 8 shipments with the new packaging. He collects data from the restaurants on the number of broken eggs in each shipment. Current packaging: 5, 9, 4, 4, 5, 5, 7, 4 New packaging: 3, 6, 6, 3, 5, 5, 6, 5 The means are 5.375 and 4.875 respectively, for a difference of 0.5. Jorge wants to know if this is significant or if it could be caused by chance. To find out, he re-randomizes the results 12 times and finds the differences of the means. The dot plot shows the data. What is the best conclusion for Jorge to make based on the data
Answer:
The difference of 0.5 is not significant because the re-randomizations show that it is within the range of what could happen by chance.
Step-by-step explanation:
For the means which are given as 5.375 and 4.875 respectively, for a difference of 0.5.
The best conclusion for Jorge to make based on the data is that - The difference of 0.5 is not significant because the re-randomizations show that it is within the range of what could happen by chance
A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Undergraduate Major Graduate School Business Engineering Others Total Yes 70 84 126 280 No 182 208 130 520 Total 252 292 256 800 Of those students who are majoring in business, what percentage plans to go to graduate school? a. 70.00 b. 72.22 c. 8.75 d. 27.78
The percentage of students majoring in Business that plans to go to Graduate school is 27.78% (option d)
We are given a crosstabulation of 800 college seniors with their undergraduate major and whether or not they plan to go to graduate school. We need to find the percentage of business students who plan to go to graduate school.
From the table, we can see that:
Out of 252 business students, 70 plans to go to graduate school.
Therefore, the percentage of students majoring in Business that plans to go to Graduate school = (Number of business students who plans to go to graduate school / Total number of business students) × 100= (70 / 252) × 100= 0.2778 × 100= 27.78%
Hence, the answer is option d.
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7. Find the area of the rhombus. Express
your answer as a mixed number of
square centimeters in simplest form.
3 2/3cm
4½cm
Which term describes the red curve in the figure below?
• A. Hyperbola
B. Circle
C. Parabola
• D. Ellipse
A cone has a circular base. So, the answer to your question is B for circle.
In a scatter plot, if all data points were aligned along a 44º angle, the correlation would be_______. a) medium strength. b) low strength. c) high strength. d) 0
In a scatter plot, if all data points were aligned along a 44º angle, the correlation would be 0. The correct answer is D.
In a scatter plot, the correlation coefficient measures the strength and direction of the linear relationship between two variables. It ranges from -1 to 1, where -1 indicates a perfect negative linear relationship, 1 indicates a perfect positive linear relationship, and 0 indicates no linear relationship.
When all data points are aligned along a 44º angle, it means that the points are distributed randomly and do not follow a clear linear pattern. There is no consistent increase or decrease in one variable as the other variable changes. Therefore, the correlation between the variables is 0, indicating no linear relationship or strength of association.
In other words, the angle of 44º suggests that the variables are unrelated and have no linear dependency on each other.
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isabella made a pyramid-shaped paper gift box with a square base in her origami class. each triangular side of this pyramid has a base length of 5 centimeters and a slant height of 9.7 much paper did isabella use to make the gift box? a. 194 square centimeters b. 97 square centimeters c. 122 square centimeters d. 219 square centimeters
Isabella made a pyramid-shaped paper gift box with a square base in her origami class and correct answer is option b) 97 square centimeters.
To calculate the amount of paper Isabella used to make the gift box, we need to find the total surface area of the four triangular sides.
Each triangular side has a base length of 5 centimeters and a slant height of 9.7 centimeters. The formula for the area of a triangle is given by:
Area = (1/2) * base * height
Substituting the values into the formula, we have:
Area = (1/2) * 5 * 9.7
Area = 24.25 square centimeters
Since there are four triangular sides, we multiply the area of one triangular side by four to get the total surface area of the triangular sides:
Total Surface Area = 24.25 * 4
Total Surface Area = 97 square centimeters
Therefore, Isabella used 97 square centimeters of paper to make the gift box.
Hence, the correct answer is 97 square centimeters.
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In space, how many planes can be perpendicular to a given line at a given point on that line in space?
A. 1
B.0
C. 3
D. infinitely many
In space, there can be infinitely many planes that are perpendicular to a given line at a given point on that line.
The correct answer is Option D.
The key concept here is that a plane is defined by having at least three non-collinear points.
When a line is given, we can choose any two points on that line, and then construct a plane that contains both the line and those two points. By doing so, we ensure that the plane is perpendicular to the given line at the chosen point.
Since we can select an infinite number of points on the given line, we can construct an infinite number of planes that are perpendicular to the line at various points.
Thus, the correct answer is D. infinitely many planes can be perpendicular to a given line at a given point in space.
The correct answer is Option D.
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I do not understand the question need some help solving
Answer:
the answer is C = between 10 and 17 ft
A department store is ordering the fall line of shoes. Which of the following statisticalmeasurements would they use to determine what sizes they should order the most?A. mode B. rangeC.medianD.mean
The departmental store is ordering the fall line of shoes.
In order to determine what size they should order for the most, they will need to know what size the customers buy the most.
This value is called the mode
It is a statistical data that depicts the number of a data set that appears the most.
The store will need to buy the size that the customers buy the most, that is the mode.
Option A