Answer:
thirteen hundredths=13/100
one hundred thirty thousandths=130/1000
cancelling by 10 this is =13/100
hence the question
Step-by-step explanation:
13/100 is equivalent to 130/1000 because if you simplify 130/1000 it becomes 13/100.
You simplify 130/1000 by dividing both sides by 10. 130 divided by 10 is 13, and 1000 divided by 10 is 100.
Positive and negative reinforcement are similar in that both processes a.are ineffective unless backed up with classical conditioning. b.are used to increase the frequency of a behavior. c.are used to decrease the frequency of a behavior. d.take away something for inappropriate behaviors.
Positive and negative reinforcement are similar in that both processes are used to increase the frequency of a behavior. Option b) is the correct answer.
Positive reinforcement involves presenting a rewarding stimulus immediately after the desired behavior, which increases the probability of that behavior happening again. It can be something desirable, such as praise, rewards, or privileges. In this case, positive reinforcement is used to encourage and strengthen the frequency of a behavior.
Negative reinforcement, on the other hand, involves the removal or avoidance of an aversive stimulus after the desired behavior, which also increases the likelihood of that behavior being repeated. It focuses on removing something unpleasant or uncomfortable to reinforce the behavior.
Both positive and negative reinforcement share the objective of increasing the frequency of a behavior by providing consequences that are either rewarding or relieving. They are effective methods for shaping behavior and promoting desired outcomes. However, they are distinct from classical conditioning, which involves associations between stimuli and automatic responses.
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Complete the equation describing how x and y are related -2
The equation of the line found is:
y = 3x + 1.
Since the rate of change is always the same, that is, when x changes by 1, y always changed by the same value, this is a linear equation.
Linear equation:
A linear equation is an equation in which the greatest power of a variable is always 1. Also called the 1 degree equation. The standard form of a linear equation in one variable is of the form Ax + B = 0. where x is a variable, A is a coefficient, and B is a constant. The standard form of linear equations in two variables is of the form Ax + By = C. where x and y are variables, A and B are coefficients, and C is a constant.
The equation of a line is given by:
y = mx + b
In which:
m is the slope, that is, by how much y changes when x changes by 1.
b is the y-intercept, which is the value of y when x = 0.
From the table, when x =0 and y =1 , thus b = 1.
When x = and y = 1 . When x =1 and y = 4 , when x = 2 and y =7 , and so on. That is, when x changes by 1, y changes by 3, and the slope is m = 3.
The equation of the line is:
y = 3x + 1.
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I need you to solve this for me and I need the steps and answer
+1x=+50
Answer:
x=50
Step-by-step explanation:
+1x=50
divide both sides by 1
x=50
Answer:
x = 50
Step-by-step explanation:
If you divide anything by one, it will remain the same.
To isolate the x variable, you need to divide both sides by 1.
+1x/1 = 50/1
x = 50
a recent survey found that 81% of senior adults wear glasses for driving. in a group of 20 senior adults, how like that no more than 16 wear glasses for driving? 37% 58.8% 63% 41.2%
The answer is approximately 45.82%, which is closest to 41.2% which is calculated using the binomial distribution formula.
To solve this problem, we can use the binomial distribution formula, which is:
\(P(X ≤ k) = Σ^n_i=0 (n choose i) p^i (1-p)^(n-i)\)
Where:
X= number of senior adults who wear glasses for driving
k= maximum number of senior adults who wear glasses for driving that we're interested in (in this case, 16)
total number of senior adults in the group (in this case, 20)
p =probability that a senior adult wears glasses for driving (in this case, 0.81)
We want to find P(X ≤ 16), which represents the probability that no more than 16 senior adults wear glasses for driving.
Using the formula above, we get:
\(P(X ≤ 16) = Σ^20_i=0 (20 choose i) 0.81^i (1-0.81)^(20-i)\)
Calculating this sum exactly can be quite tedious, but we can use a normal approximation to get an estimate.
Utilizing the mean (np = 20*0.81 = 16.2) and the standard deviation (sqrt(np(1-p)) = 1.94) of the binomial dissemination, able to surmise the likelihood utilizing the ordinary dissemination as taken after:
P(X ≤ 16) ≈ P(Z ≤ (16 - 16.2)/1.94)
Where Z =standard normal random variable.
Using a standard normal distribution table or a calculator, we can find that:
P(Z ≤ (16 - 16.2)/1.94) ≈ P(Z ≤ -0.103)
≈ 0.4582
hence, the answer is approximately 45.82%, which is closest to 41.2%.
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Samir is going to invest $22,000 and leave it in an account for 9 years. Assuming the interest is compounded monthly, what interest rate, to the nearest tenth of a percent, would be required in order for Samir to end up with $38,000?
The interest rate required to get a total amount of $38,000.00 from compound interest on a principal of $22,000.00 compounded 1 times per year over 9 years is 9.0909 % per year.
What is the interest rate?The amount a lender charges a borrower is called an interest rate, and it is expressed as a percentage of the principal, or the loaned amount. Typically, a loan's interest rate is expressed as an annual percentage rate, or APR .
r = n[(A/P)1/nt - 1]
r = 1 × [(38,000.00/22,000.00)1/(1)(9) - 1]
r = 0.0909090
Then convert r to R as a percentage
R = r × 100
R = 0.0909090 × 100
R = 9.0909 %/year
The interest rate required to get a total amount of $38,000.00 from compound interest on a principal of $22,000.00 compounded 1 times per year over 9 years is 9.0909 % per year.
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Answer: 6.1
Step-by-step explanation:
fill in the blank. _____sample
The population is first split into groups. The overall sample consists of every member from some of the groups. The groups are selected at random.
Example—An airline company wants to survey its customers one day, so they randomly select 555 flights that day and survey every passenger on those flights.
Why it's good: A cluster sample gets every member from some of the groups, so it's good when each group reflects the population as a whole.
it is important to consider the potential for intra-cluster similarity, as individuals within the same cluster may be more similar to each other than to individuals in other clusters.
What is intra-cluster sample?A cluster sample is a sampling technique where the population is divided into clusters or groups, and a subset of clusters is selected at random to form the overall sample. In this type of sampling, all members of the selected clusters are included in the sample.
In the given example, the airline company selects 555 flights as clusters and surveys every passenger on those flights. Each flight represents a cluster, and by selecting random flights, the company includes every passenger on those selected flights in the survey.
This cluster sampling approach is suitable when each group or cluster is representative of the overall population. It is useful when it is impractical or costly to sample every individual unit within the population, but the selected clusters are expected to reflect the characteristics of the entire population.
Cluster sampling allows for more practical data collection, particularly when dealing with large populations or geographically dispersed units. However, it is important to consider the potential for intra-cluster similarity, as individuals within the same cluster may be more similar to each other than to individuals in other clusters.
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Julio says, "If you subtract 14 from my number and multiply the difference by - 4, the result is
- 28." What is Julio's number?
Julio's number is
Answer:
x = 21
Step-by-step explanation:
let the number be x
-4(x-14) = -28
-4x + 56 = -28
-4x = -28 - 56
-4x = -84
x = 84/4 = 21
Which values of h make the relation {(-2,3), (4,7), (9, h)} a function?
Answer:
h can be any value.
Step-by-step explanation:
As long as each input as exactly one output, the value of h does not matter.
1 7/9 as a mixed number
Answer:
1 8/9
Step-by-step explanation:
Answer:
Step-by-step explanation: 17/9 = 1 and 8/9
each array element occupies an area in memory next to, or ____, the others.
In the context of arrays and memory allocation, each array element occupies an area in memory next to, or contiguous to, the others.
Arrays are a fundamental data structure used to store and organize elements of the same data type in a linear arrangement. When an array is created, the memory is allocated contiguously, meaning that each element is stored in a sequential order, adjacent to the previous and the next element.
This contiguous memory allocation allows for efficient access and modification of array elements using their index, as the index is used to calculate the memory address of the desired element directly. The memory address of an element in the array can be computed using the base address, element size, and index of the array.
Contiguous memory allocation also has some drawbacks, such as the need for a continuous block of memory for large arrays, which may lead to memory fragmentation issues. Additionally, inserting or deleting elements in the middle of the array requires shifting the subsequent elements, which can be time-consuming for large arrays.
Overall, the contiguous memory allocation of array elements is crucial for efficient array operations and is an important concept to understand when working with arrays in programming languages.
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Alberto has $2.25 in dimes and nickels in his pocket. He has nine more nickels than dimes. How many of each type of coin does he have?
I really need help!
Alberto has 12 Dimes and 21 Nickels in his pocket.
How many of each type of coin does he have?Dimes value = 0.10$
Nickels value = 0.05$
Let d = number of dimes = 0.10d
Let d+9 = number of nickels = 0.05(d + 9)
Value of the Dimes + Value of the Nickels = total value of the coins
Write the equation:
0.10d + 0.05(d + 9) = 2.25
Distribute:
0.10d + 0.05d + 0.45 = 2.25
0.15d + 0.45 = 2.25
Subtract 0.45 from each side:
0.15d = 1.80
Divide to find the number of dimes.
d = 12
The number of nickels is d +9 = 12 + 9 = 21
Alberto has $2.25 in dimes and nickels in his pocket. He has 12 Dimes and 21 Nickels in his pocket.
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The zoo is building a new tank for some of its fish. The tank will be a cube able to hold 3,375 cubic feet of water. Which equation could you use to find the length of each side of the tank.
Answer:
\( s = \sqrt[3]{V} \)
Length of each side of the tank = 15 ft
Step-by-step explanation:
A cube has equal length sides.
Formula for the volume of a cube is given as \( V = s^3 \), where,
s = side length of the cube.
Given that a tank, in the shape of a cube, holds 3,375 ft³ of water, to derive an equation for finding the length of each side of the tank, make "s" the subject of the formula as follows:
\( V = s^3 \)
Take the cube root of both sides
\( \sqrt[3]{V} = \sqrt[3]{s^3} \)
\( \sqrt[3]{V} = s \)
\( s = \sqrt[3]{V} \)
The above equation would be used to find the length of each side of the tank as follows:
\( s = \sqrt[3]{3,375} \) (substitution)
\( s = \sqrt[3]{3,375} \)
\( s = 15 \)
Length of each side of the tank = 15 ft
a correlation coefficient is a statistical measure of theextent to which two factors vary or relate together.statistical significance of a difference between two sample means.frequency of scores at each level of some measure.difference between the highest and lowest scores in a distribution.
The correlation coefficient measures the relationship between variables. Statistical significance determines if a difference is meaningful. Frequency represents distribution, and range measures variability in data.
A correlation coefficient is a statistical measure of the extent to which two factors vary or relate together.It quantifies the strength and direction of the linear relationship between two variables. The correlation coefficient ranges from -1 to +1, where -1 indicates a perfect negative correlation, +1 indicates a perfect positive correlation, and 0 indicates no linear correlation between the variables.
Statistical significance of a difference between two sample meansStatistical significance refers to the likelihood that an observed difference or relationship between variables in a sample is not due to random chance but reflects a true difference or relationship in the population. It is assessed using hypothesis testing and p-values. If the p-value is below a predetermined significance level (often 0.05), the difference or relationship is considered statistically significant.
Frequency of scores at each level of some measure.The frequency of scores at each level of some measure refers to the number of times each value or category occurs in a dataset. It provides information about the distribution of scores and allows us to understand the prevalence of different values or categories within the data.
Difference between the highest and lowest scores in a distribution.The difference between the highest and lowest scores in a distribution is known as the range. It is a simple measure of dispersion that provides an indication of the spread or variability of the data. It is calculated by subtracting the lowest score from the highest score.
Each of these concepts has its own significance and application in statistical analysis.
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. 10(7x - 2) + 3(-7X - 8)
Answer:
49x-44 is it.
Step-by-step explanation:
Question 4 (1 point)
Choose all the terms in the expression
5x⁴ - 7x³ + x + 2
(below are multiple choice options)
5
5x⁴
-7x³
1
X
2
Answer: there are 4 terms and they are 5x^4, -7x^3, x, and 2
Step-by-step explanation:
a trapizumis shown below
fine the angles of x and y
It should be noted that the values of x and y in the trapezium will be
x=118
y= 35
What is a trapezium?A trapezoid, also known as a trapezium, is a closed, flat object with four straight sides and one pair of parallel sides. A trapezium's parallel sides are known as the bases, while its non-parallel sides are known as the legs. A trapezium might have parallel legs as well. A trapezium is a quadrilateral with one parallel pair of opposite sides.
Based on the information, x will be:
= 180-62
= 118
y will be:
= 180-145=35
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write an equation for the horizontal line that passes through
the equation of the horizontal line passing through (-3, 4) is y = 4.
The equation of a horizontal line is of the form y = c, where c represents the y-coordinate of any point on the line. In this case, we are given that the line passes through the point (-3, 4). Since the line is horizontal, the y-coordinate remains constant for all points on the line.
Therefore, the equation of the horizontal line passing through (-3, 4) is y = 4. This means that no matter what x-value we choose, the y-value will always be 4.
In other words, all the points on this line will have a y-coordinate of 4.
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Complete question is below
Write the equation of the horizontal line that passes through (-3, 4).
The equation for the horizontal line that passes through a given point is y = b.
A horizontal line is a straight line that is parallel to the x-axis. The equation of a horizontal line is of the form y = c, where c is a constant. Since the line is horizontal, the value of y remains constant for all values of x. Therefore, the equation of a horizontal line passing through a given point (a, b) is y = b.
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What is the answer to how many 1/2 are in 3 1/2?
which of the following statements appropriately describe theoretical hypotheses? check all that apply. a theoretical hypothesis is a hypothesis that can never be proved, but only confirmed. a theoretical hypothesis is a hypothesis that attempts to provide an explanation for a scientific question or phenomenon. a theoretical hypothesis is a hypothesis that can be proved with empirical evidence. a theoretical hypothesis is a hypothesis that can be proved by evidence from observation.
A theoretical hypothesis is a hypothesis that attempts to provide an explanation for a scientific question or phenomenon by proposing a theoretical framework or model. (option b).
Theoretical hypotheses are often used in scientific research to guide investigations and to help researchers make predictions about what they expect to observe. They are essential to the scientific method because they provide a basis for developing testable predictions and designing experiments to confirm or reject them.
A theoretical hypothesis is a hypothesis that attempts to provide an explanation for a scientific question or phenomenon.
This statement is accurate. As discussed earlier, a theoretical hypothesis is a type of hypothesis that proposes a theoretical framework or model to explain a scientific question or phenomenon.
Therefore, statement b is the most accurate description of a theoretical hypothesis.
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a ball is dropped from a height of 6 ft. assuming that on each bounce, the ball rebounds to one-third of its previous height, find the total distance traveled by the ball.
A ball is dropped from a height of 6 ft. assuming that on each bounce, the ball rebounds to one-third of its previous height, the total distance traveled by the ball is approximately 11.926 feet.
How do we calculate the total distance?We have to calculate the distance traveled by the ball with the help of the given data, as shown below;The first height of the ball is 6 feet. Distance traveled by the ball at the first instance = 6 feet.The ball rebounds to one-third of its previous height, and the ball goes to a height of:6/3 = 2 feet.
Distance traveled by the ball after the first bounce = 6 + 2 + 2 = 10 feet.The ball rebounds again to one-third of its previous height, and the ball goes to a height of:2/3 = 0.6667 feet. Distance traveled by the ball after the second bounce = 10 + 0.6667 + 0.6667 = 11.3334 feet.
The ball rebounds again to one-third of its previous height, and the ball goes to a height of:0.6667/3 = 0.2222 feet. Distance traveled by the ball after the third bounce = 11.3334 + 0.2222 + 0.2222 = 11.7778 feet. The ball rebounds again to one-third of its previous height, and the ball goes to a height of:0.2222/3 = 0.0741 feet.
Distance traveled by the ball after the fourth bounce = 11.7778 + 0.0741 + 0.0741 = 11.926 feet. Therefore, the total distance traveled by the ball is approximately 11.926 feet.
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3. Consider the following system: →0.85→0.85→ Determine the probability that the system will operate under each of these conditions: a. The system as shown. (Do not round your intermediate calculations. Round your final answer to 4 decimal places.) b. Each system component has a backup with a probability of .85 and a switch that is 100 percent reliable. (Do not round your intermediate calculations. Round your final answer to 4 decimal places. c. Each system component has a backup with a probability of .85 and a switch that is 90 percent reliable. (Do not round your intermediate calculations. Round your final answer to 4 decimal places.)
a. The probability that the system will operate as shown is approximately 0.6141.
b. Probability ≈ 0.6141The probability remains the same as in the previous case, which is approximately 0.6141.
c. The probability that the system will operate with each component having a backup with a probability of 0.85 and a switch that is 90% reliable is approximately 0.6485.
a. To find the probability that the system will operate as shown, we multiply the probabilities of each component. Since the system is shown to have three components with a probability of 0.85 each, we can calculate:
Probability = 0.85 × 0.85 × 0.85
Probability ≈ 0.6141
The probability that the system will operate as shown is approximately 0.6141.
b. In this case, each system component has a backup with a probability of 0.85 and a switch that is 100% reliable. Since the backup has a probability of 0.85, and the switch is 100% reliable (probability = 1), we can calculate the probability as:
Probability = 0.85 × 0.85 × 0.85
Probability ≈ 0.6141The probability remains the same as in the previous case, which is approximately 0.6141.
c. In this scenario, each system component has a backup with a probability of 0.85, but the switch is 90% reliable (probability = 0.90). We can calculate the probability as:
Probability = 0.85 × 0.90 × 0.85
Probability ≈ 0.6485
The probability that the system will operate with each component having a backup with a probability of 0.85 and a switch that is 90% reliable is approximately 0.6485.
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Given: triangle ABC is isosceles with
So which means that ABC is not isosceles.
I ONLY HAVE 5 MIN TO ANSWER PLEASE HELP ME !!!!!!!!!!!
How do you determine which values to multiply when you apply the distributive property?
WILL MARK BRAINLIEST!!!
distance formula help
Answer:
\((0,-1)\)
Step-by-step explanation:
\((x^{2} -x^{1} )(y^{2} -y^{1} )\)- the formula
\((-1 - -1) = 0\)
\((-8 - -7) =-1\)
So, the answer is:
\((0,-1)\)
or
\(0=-1\)
^
this is the swiggly line
Find the value of “X”
Answer:
x = 27
Step-by-step explanation:
(3x - 17) + (x + 40) + (2x - 5) = 180
6x = 17 - 40 + 5 + 180
6x = 162
x = 27
Answer:
The value of x is 27°.
Step-by-step explanation:
Given that total angles inna triangle is 180°. In order to find the value of x, you have to add up all the expressiobs to form 180° :
(3x - 17)° + (x + 40)° + (2x - 5)° = 180°
6x + 18° = 180°
6x = 180° - 18°
6x = 162°
x = 162° ÷ 2
x = 27°
I need help with this it’s geometry this is my 2nd time asking for help
Answer:
The measure of angle WVX is 140°.
Step-by-step explanation:
Let x be the measure of angle WVX.
\( \frac{14}{9} \pi = 2x\)
\( x = \frac{7}{9} \pi( \frac{180}{\pi}) = 140 \: degrees\)
Answer:
angle = arc length/radius
in this case, the arc length is 14/9*\(\pi\) and the radius is 2. Upon multiplying these, you get 140.
so, the answer is 140 degrees.
Counting jails and prisons, approximately how many citizens are incarcerated? a. 1 million b. 2.3 million c. 3 million d. 4.3 million.
In September 2021, the approximate number of citizens incarcerated in jails and prisons is around 2.3 million.
It is important to note that this figure can vary over time due to changes in policies, criminal justice reforms, and other factors. The incarcerated population includes individuals who have been convicted of crimes and are serving their sentences, as well as those who are awaiting trial or have been sentenced but not yet transferred to a correctional facility.
These numbers can vary between different countries and jurisdictions. To obtain the most accurate and up-to-date information on current incarceration rates, it is advisable to refer to official sources such as the U.S. Bureau of Justice Statistics or relevant governmental organizations in your country.
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help me pls i need this its been 4 hours
Answer:
≈ 33.3 cm²
Step-by-step explanation:
Given the linear ratio of 2 similar cones = a : b , then
ratio of their areas = a² : b²
Here the ratio of radii = 2 : 3 , thus
ratio of areas = 2² : 3² = 4 : 9
let x be the area of the smaller cone then by proportion
\(\frac{4}{x}\) = \(\frac{9}{75}\) ( cross- multiply )
9x = 300 ( divide both sides by 9 )
x = 33.33333
Thus
surface area of smaller cone ≈ 33.3 cm² ( nearest tenth )
Nancy has the following data:
4 12 2 v 18
If the median is 12, which number
could v be?
If the median of the given data is 12, then we need to arrange the numbers in ascending order:
2, 4, v, 12, 18Since the median is the middle value when the data is arranged in ascending order, v must be a number between 4 and 12 (exclusive) in order to maintain the median as 12.
Therefore, v could be any number greater than 4 and less than 12.
Find the surface area of each pyramid show answer and round all decimals to the nearest tenth
The surface area of the pyramid is approximately 138.528 square feet.
What is the surface area of the pyramid?
The surface area of a solid is the sum of the areas of all faces of the solid. In this case, we find that the surface area is the sum of the areas of four triangles and the area of the square base. Then, we proceed to determine the surface area of the solid:
A = 4 · (1 / 2) · √[(3 ft)² + (8 ft)²] · (6 ft) + (6 ft)²
A ≈ 138.528 ft²
The surface area of the pyramid is approximately 138.528 square feet.
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