To provide a baseline against which they can evaluate the effects of a specific treatment, experimenters make use of a(n) Control condition (Option D).
What is a control problem and optimal control?A cost functional that depends on state and control variables is a part of a control problem. A collection of differential equations describing the movements of the control variables in a way that minimizes the cost function is referred to as an optimal control.Now,
When conducting an experiment, a control condition is established to serve as a reference point for evaluating the outcome. For instance, a control group is typically established and given a placebo when evaluating the effects of a new treatment. This serves as a tool to gauge the medication's actual effects because it will not include any of the active ingredients.Hence, to provide a baseline against which they can evaluate the effects of a specific treatment, experimenters make use of a(n) Control condition (Option D).
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Find the coordinates of the midpoint of a segment with the given endpoints. Then find the distance between the following pair of points. (Lesson 1-3)
P(26,12) and Q(8,42)
The coordinates of the midpoint is M(x, y) = (17, 27) and its length is 6√34 units.
How to find the coordinates of the midpoint of a line segment
In this problem we have the coordinates of two endpoints of a line segment, of which we must find the location of its midpoint by using the midpoint formula, whose vector form shall be used. Later, we determine the length of the line segment by calculating the vector behind the line segment and its magnitude.
If we know that P(x, y) = (26, 12) and Q(x, y) = (8, 42), then the location of its midpoint and its length are, respectively:
Midpoint
M(x, y) = 0.5 · P(x, y) + 0.5 · Q(x, y)
M(x, y) = 0.5 · (26, 12) + 0.5 · (8, 42)
M(x, y) = (13, 6) + (4, 21)
M(x, y) = (17, 27)
Length
PQ = (8, 42) - (26, 12)
PQ = (- 18, 30)
PQ = √[(- 18)² + 30²]
PQ = 6√34
The coordinates of the midpoint is M(x, y) = (17, 27) and its length is 6√34 units.
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When a new charter school opened in 2005, there were 350 students enrolled. Since then, the student population has
decreased by 100 students every two years.
Choose the formula below which gives the function N(t) representing the number of students attending the charter school
t years after 2005.
Select the correct answer below:
ON(t) = 100t + 350
ON(t)=-100t + 350
ON(t) = 50t + 350
ON(t) = -50t + 350
ON(t) = 350t + 100
ON(t) = -350t + 100
The number of students attending the charter school t years after 2005 is given by -50t + 350
What is an equation?An equation is used to show the relationship between numbers and variables. An equation can be linear, quadratic depending on the degree.
Let N(t) represent the number of students after t years, hence:
Since the population has decreased by 100 students every two years:
N(t) = -(100)/2 * t + 350 = -50t + 350
The number of students attending the charter school t years after 2005 is given by -50t + 350
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Graph the equation. Plot at least five points on the graph and label them with their
coordinates.
3. y = x - 1
4. y = 2|x|
S -6
6
4
4
-8-1
x
S -6
4
3
41
6
x
Answer: answer is si - 90w 8y 28y xis 4
Step-by-step explanation:
Fwam is going to an amusement park. The price of admission into the park is $10,
and once he is inside the park, he will have to pay $3 for every ride he rides on. How
much money would Fwam have to pay in total if he goes on 14 rides? How much
would he have to pay if he goes on r rides?
Cost with 14 rides:
Cost with r rides:
Submit Answer
attempt 1 out of 2
14
Digital Genius manufactures a cell phone charging pad that can fully charge any cell phone that is placed on it in 15 minutes.
The analytics department determined that at a price of $103.00 each, the demand would be 6 thousand pads, and at $53.00
each, the demand would be 16 thousand pads. Based on the assumption that a linear relationship exists between price and
demand, the price-demand equation is given by
p(x) = 5x + 133,
OA $23.80
OB. $70.00
OC. $63.00
OD. $26.60
where x is the number of thousands of pads in demand. At what price point should they sell the pads to have a demand of
14 thousand pads?
-
Reset
Submit
Answer:
digital genious manufacture a cell phone charging pad that can fully charge any cell phone that is placed on it in 15 min
Step-by-step explanation:
Answer:
Step-by-step explanation:
Find the quotient of the quantity 21 times ten raised to the negative twenty first power end quantity divided by the quantity 7 times ten raised to the negative twenty first power end quantity.. write the final answer in scientific notation. 3 x 10−42 3 x 100 3 x 1021 3 x 1042
Answer:3x10^0 or 3x10 to the power of 0
Step-by-step explanation:
I did the same exact one with my teacher i hope this helps you
2(s+t) 3 power - 6 when s=3 t=2.
We'll observe that the evaluated expression equals 244 in the next step.
How is an expression evaluated?To evaluate an expression, we only need to swap out the variables with the desired values.
What does evaluating expressions look like in practice?When x = 5 x = 5 x=5, you can be asked to "Evaluate 3 x 3x 3x." In the formula 3 x 3x 3x, take note of the proximity of the number 3 to the variable x. This denotes "x times three."
Here, we must assess:
2(s+t)³-6
By substituting them in the formula for t = 2 and s = 3, we obtain:
2(3+2)³- 6
= 2*(5) (5)³ - 6
= 2*125 - 6
= 244
Consequently, the evaluated expression equals 244.
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joyce paid $80 for an item at the store that was 30 percent of the original price. what was the original price?
$114 was the original price of an item.
What does the word percent mean?
A percentage is a ratio or fraction where the full value is always 100. Sam, for instance, would have received 30 out of a possible 100 points if he had received 30% on his arithmetic test. In ratio form, it is expressed as 30:100 and in fraction form as 30/100.Equation for Price Reduction:
Original Price * Percent Remaining of Original = New Price
Plug in the given values into the equation:
Original Price * 0.7 = $80
Divide both sides by 0.7 to isolate the Original Price:
80/0.7 = $114
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Question 1 (Multiple Choice Worth 1 points)
(02.01 MC)
Is the following relation a function? Justify your answer.
6
-2
4
-1
Yes bara
utout un
-2
Lessons
-2
Assessments
Gradebook.
i need the points. qnuddwdtg6tfr5v
determine whether the statement describes a descriptive or inferential statistic. a survey of 1455 people revealed that 53% work a full-time job; therefore it can be assumed that 53% of the u.s. population works a full-time job.
The given statement describes descriptive statistics.
What is Descriptive statistics?In the count noun sense, a descriptive statistic is a summary statistic that quantitatively describes or summarizes features from a collection of data, whereas descriptive statistics (in the mass noun sense) is the process of using and analyzing those statistics. Descriptive statistics differ from inferential statistics (or inductive statistics) in that they seek to summarize a sample rather than learn about the population that the sample of data is thought to represent. This generally means that, unlike inferential statistics, descriptive statistics are not based on probability theory and are frequently nonparametric statistics. For example, knowing that all of the participants in our example wore blue shoes would be useless.Therefore, the given statement describes descriptive statistics.
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Solve equation.
a-7=9
To solve the equation, add 7 to both sides. The solution is a = 16.
A linear equation is an equation of which the highest degree of its variables is 1.
Steps to solve linear equations:
Simplify the expressions. If there are parentheses, remove them by multiplying the corresponding terms.Combine the same terms.Isolate the variable on one side by using subtraction or addition.Use division or multiplication to find the value of the variable.Recall that if we subtract or add the same number to both sides of an equation, it does not change the equality.
The given problem:
Solve a-7=9
The variable is a. To isolate a, remove -7 by adding 7 to both sides:
a-7 +7 = 9 +7
a = 16 (solved)
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what is the measure of the smaller angle between the hands of a $12$-hour clock at $12:25$ pm, in degrees?
The smaller angle made by the hour hands of a clock at a given time is 137°30'. It is attained by using the concept of clocks on the problems.
What is a clock?
A clock is a device which is used for measuring and indicating the time. It has three hands, namely an hour hand, a minute hand and a second hand. A clock can be classified in two ways, one is a 12-hour clock and the other is a 24-hour clock.
Calculation of the smaller angle made by the hour hand
For minute hand,
60 min makes an angle 360°
1 min = 6°
25 min = 6° × 25
= 150°
For hour hand,
12 hours makes an angle 360°
1 hour = 30°
1 min = 30° / 60
= 1/2°
25 min = 1/2° × 25
= 12°30'
The smaller angle made by hour hand is given by 150° - 12°30'
=137°30'
Hence, the smaller angle between the hour hands is 137°30'.
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a bus picks up a group of tourists at a hotel. the sightseeing bus travels 2 blocks north, 2 blocks east, 1 block south, 2 blocks east, and 1 block south. where is the bus in relation to the hotel?
The bus is 4 blocks east of the hotel.
For given question
A sightseeing bus picks up a group of tourists at a hotel. It then travels 2 blocks north, 2 blocks east, 1 block south, 2 blocks east, and 1 block south, to determine where the bus is in relation to the hotel, the following calculation must be carried out:
North and South are antagonistic, the same as East and West
2 N + 2 E - 1S + 2E - 1S
2 N - 2S = 0
2E + 2 E = 4E
Therefore, the bus is 4 blocks east of the hotel.
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A team of explorers on a expedition was interupted by bad weather on 20%, if the weather was bad for 45 days what was the total number of days were on the missoin
The mission was of 225 days.
We are informed from the question the percentage of bad days and number of bad days. So, relating the two parts of question will give the number of days explorers were on mission. Let us assume the total number of days of mission be x.
20% × x = 45
Solving the equation now -
20/100x = 45
Shifting 100 to Right Hand Side of the equation as denominator
20x = 45 × 100
Performing multiplication on Right Hand Side of the equation
20x = 4500
Shifting 20 to denominator on Right Hand Side of the equation
x = 4500 ÷ 20
Performing division on Right Hand Side of the equation
x = 225
Hence, explorers were on mission for 225 days.
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Convert 50 grains to milligrams (to the nearest tenth).
mg
Answer:
3240milligramsStep-by-step explanation:
multiply the value in grains by the conversion factor '64.798'.
So, 50 grains = 50 × 64.798 = 3239.900 milligrams.
round 3240
Please help me please help me
Answer: FINAL IMAGE OF L IS 6 AND 7
Step-by-step explanation:
Answer:(1,-2)
Step-by-step explanation:
yolanda spends 8 2⁄3 hours per month playing soccer. approximately how many hours does she play soccer in a year? (there are twelve months in a year.)
Approximately 1 hour She plays soccer in a year.
What is soccer?Soccer on CBS Sports is various TV programs that have broadcasted soccer matches in the US on CBS, CBS Sports Organization, and Paramount+. These matches are from Global, European, and American contests. Affiliation football, all the more usually known as just football or soccer, is a group activity played between two groups of 11 players who essentially utilize their feet to impel the ball around a rectangular field called a pitch. Soccer, or football as it's known beyond North America, is the most famous game on the planet. Thus, how could it be played, who plays it, and a lot more inquiries are responded to here.
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what is the slope of the line that passes through the points (-5, 7) and( -2, 4)? Write your answer in simplest form
[tex](\stackrel{x_1}{-5}~,~\stackrel{y_1}{7})\qquad (\stackrel{x_2}{-2}~,~\stackrel{y_2}{4}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{4}-\stackrel{y1}{7}}}{\underset{run} {\underset{x_2}{-2}-\underset{x_1}{(-5)}}} \implies \cfrac{4 -7}{-2 +5}\implies \cfrac{-3}{3}\implies \text{\LARGE -1}[/tex]
the following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. treat the nine students as a population. complete parts (a) to (c). student perpectual bempah megan brooks jeff honeycutt clarice jefferson crystal kurtenbach janette lantka kevin mccarthy tammy ohm kathy wojdya . . . question content area right part 1 (a) determine the population mean pulse. the population mean pulse is approximately enter your response here beats per minute. (type an integer or decimal rounded to the nearest tenth as needed.)
The population mean pulse is approximately 70.44 beats per minute. The mean pulse of sample 1 is approximately 65 beats per minute.
The mean pulse of sample 2, is approximately 73.67 beats per minute.
How to solve for the mean pulsea. mean = ∑x/n
= 634 / 9
= 70.44
b. The mean of sample 1
= 64 + 65 + 66 / 3
= 195 / 3
= 65
c. the mean of sample 2
= 81 + 67 + 73 / 3
= 221 / 3
= 73.67
In summary, The population mean pulse is approximately 70.44 beats per minute. The mean pulse of sample 1 is approximately 65 beats per minute. The mean pulse of sample 2, is approximately 73.67 beats per minute.
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Complete question
Student
Pulse
Perpectual Bempah
64
Megan Brooks
81
Jeff Honeycutt
67
Clarice Jefferson
68
Crystal Kurtenbach
80
Janette Lantka
70
Kevin McCarthy
73
Tammy Ohm
65
Kathy Wojdya
66
(a) Determine the population mean pulse is approximately ____?__beats per minute.
(Type an integer or decimal rounded to the nearest tenth as needed.)
(b) Determine the sample mean pulse of the following two simple random samples of size 3.
Sample 1: {Perpectual, Tammy Kathy}
Sample 2: {Jeff, Megan, Kevin}
The mean pulse of sample 1 is approximately ___?___ beats per minute.
(Round to the nearest tenth as needed.)
The mean pulse of sample 2, is approximately ____?__ beats per minute.
(Round to the nearest tenth as needed.)
Please help meeee! Find all parts. SHOW YOUR WORK
The unknown angles are as follows:
x = 29z = 13∠RIG = 59°∠ZIM = 149°How to find angles when line intersect?∠AIM is perpendicular to IR.
Therefore,
∠RIM = 90°
Line AM, ZG and RI intersect at point I.
Therefore,
3x - 56 = x + 2 (vertically opposite angles)
3x - x = 2 + 56
2x = 58
x = 58 / 2
x = 29
4z + 7 + x + 2 = 90
4z + 7 + 29 + 2 = 90
4z = 90 - 7 - 2 - 29
4z = 52
z = 52 / 4
z = 13
∠RIG = 4z + 7
∠RIG = 4(13) + 7
∠RIG = 52 + 7
∠RIG = 59°
∠ZIM = 4z + 7 + 90
∠ZIM = 4(13) + 7 + 90
∠ZIM = 52 + 7 + 90
∠ZIM = 59 + 90
∠ZIM = 149 degrees
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according to a report on sleep deprivation by the centers for disease control and prevention, the proportion of california residents who reported insufficient rest or sleep during each of the preceding 30 days is 8.0%, while this proportion is 8.8% for oregon residents. these data are based on simple random samples of 11,545 california and 4,691 oregon residents. perform a hypothesis test to investigate if there is evidence of a difference in proportion at a significance level of 0.05. conclude in the context of the study. list the conditions for this hypothesis test.
The 95% confidence range for the difference in the percentages of sleep deprived people in California and Oregon is from -0.0015 to 0.0175.
With a 95% confidence level or 0.05 significance level, we may say that this range overlaps 0 and that the proportions are not statistically different. In other words, based on the findings from this sample, the proportion of the CA and OR populations may be equal.
What is a confidence interval?
A confidence interval (CI) is a range of estimates for an unknown parameter in frequentist statistics. The 95% confidence level is the most popular, however other levels, such 90% or 99%, are occasionally used when computing confidence intervals. The percentage of related CIs over the long run that include the parameter's actual value is represented by the confidence level. For instance, 95% of all intervals calculated at the 95% level should include the parameter's actual value.
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Suppose that 24 inches of wire costs 72. At the same rate, how much (in cents) will 49 inches of wire cost?
I'm assuming the "costs 72" is referring to 72 cents.
If so, then this is one way to solve:
(24 inches)/(72 cents) = (49 inches)/(x cents)
24/72 = 49/x
24*x = 72*49
x = 72*49/24
x = 147
It costs 147 cents, aka $1.47, to get 49 inches of wire.
Matt had 6 books to read. Each book has 11 pages. He has already read 60 pages. How many pages does he have left to read?
Help please I am struggling no need to graph it though.
Step-by-step explanation:
here are the answers. I hope they're clear.
Olivia's Cupcake Shoppe sells small and large cupcakes in three flavors.
Niamh paid $3 for a cupcake with buttercream icing.
Bethany bought a small vanilla cupcake.
Mateo paid $3.50 for a cupcake with strawberry icing
and a chocolate cupcake.
Use the axioms to make two conclusions about the
cakes that were purchased
Answer:
Step-by-step explanation:
Answer:
Small
Small
Vanilla
Strawberry
Step-by-step explanation:
Describe the translation from shape A to
shape B as a vector.
Step-by-step explanation:
Translating it on a vector it will be that
Which expression is equivalent to 2−3?
Answer: 2-3= -1
4-5= -1
Step-by-step explanation:
Answer:3-2
Step-by-step explanation:commutative property
Simplify 57 over 85 hurry
Answer:
Step-by-step explanation:
since no numbers can go into 57 over 85 except one your answer would be 57/85
Answer: 57/85
Step-by-step explanation:
57/85
is already in the simplest form. It can be written as 0.670588 in decimal form (rounded to 6 decimal places).
Find the GCD (or HCF) of the numerator and denominator
GCD of 57 and 85 are 1
Divide both the numerator and denominator by the GCD
57 ÷ 1
85 ÷ 1
Reduced fraction:
57
85
Therefore, 57/85 simplified to the lowest terms is 57/85.
hope this helps u ; )
What is 4 divided by 3?
Answer:
la respuesta de esta división es
1.333333>
Mona is purchasing a shirt. the total cost, c, of the shirt will be the price of the shirt, p, increased by 6% of the price of the shirt for sales tax. write an equation that represents the total cost of the shirt?
The equation representing total cost of the shirt is c = 1.06p.
As per the question, we are representing the total cost of the shirt as c and price of the shirt as p.
Calculating sales tax on the shirt -
Sales tax = p × 6%
Converting percentage to fraction and hence decimal form
Sales tax = p× 6/100
Sales tax = 0.06p
Forming the equation now -
Total cost = price of the shirt + sales tax on the shirt
c = p + 0.06p
Performing addition on Right Hand Side of the equation to find the equation representing total cost
c = 1.06p
Therefore, the equation representing the total cost of the shirt is c = 1.06p.
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