Answer:
what's the question that you need answered?
Step-by-step explanation:
?
There are 100 cm in a meter. write an expression to find the number of centimeters in 8 meters.
Help me with this question plss
Answer:
800m
Step-by-step explanation:
If 100cm is equivalent to a meter (1 Meter). 8 Meters would be equivalent to 8 Meters multiplied by 100cm and divided by a meter (1 Meter)
Complete the statement to describe the expression (a+b+c)(d+e+f)
The expression consists of _ factors, and each factor contains _ terms.
Fill in the blanks.
Answer:
Please check the explanation.
Step-by-step explanation:
We know that if we multiply 3 and 4, we get 12.
In other words, 3 × 4 = 12
Thus, 3 and 4 are factors of 12.
now
Given the expression
\((a+b+c)(d+e+f)\)
The given expression consists of two factors which are:
(a+b+c)(d+e+f)We also know that an expression can consist of terms, a term may be a constant or a variable. It can be both as well.
For example, in the expression, 4b + 2, 4b and 2 are terms.
so,
The factor (a+b+c) consists of 3 terms. These terms are a, b and c.Similarly, the factor (d+e+f) consists of 3 terms. These terms are d, e, and f.Identify a CSS3 2D transformation function that resizes an object by a factor of x horizontally.
a. scaleY(y)
b. rotate(angleY)
c. translateY(offY)
d. skewY(angleY)
The correct answer is not listed among the given options. None of the listed options is a CSS3 2D transformation function that resizes an object by a factor of x horizontally.
Here are brief explanations of the given options:
a. scaleY(y) - This function scales an object vertically by a factor of y.
b. rotate(angleY) - This function rotates an object around the y-axis by the specified angle.
c. translateY(offY) - This function translates an object vertically by the specified offset.
d. skewY(angleY) - This function skews an object along the y-axis by the specified angle.
To resize an object horizontally by a factor of x, you can use the scaleX(x) function. This function scales an object horizontally by a factor of x.
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it possible to create an equation for a circle given exactly two points. describe exactly how one would do this. provide an example if necessary.
It is impossible to create an equation for a circle given exactly two points.
Let's consider the two basic equations of circle, i.e, the standard equation and general equation.
Now, Standard equation of circle with center (h, k) and radius r is represented as
(x−h)² +(y−k)² =r²
Note here we need values of three unknowns, h, k, r to get equation of a certain circle.
The other general equation of circle is of the form
x² + y² + 2gx + 2fy + c = 0
Again, values of three unknowns (g, f and c) are necessary for obtaining equation of a certain circle. So in both cases, values of three unknowns are required to have an equation of a distinct circle. In order to calculate, the values of these three unknowns, we must first require three conditions that would be produced by three equations. Solving those equations, allows us to construct the equation of circle. So if only two points are given, then these gives two equations with three unknowns. It would be impossible to get three distinct values from two equations. So, there is no possible distinct circle for two points.
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Find the surface area of the figure. Hint: the surface area from the missing prism inside the prism must be ADDED!
To find the surface area of the figure, we need to consider the individual surfaces and add them together.
First, let's identify the surfaces of the figure:
The lateral surface area of the larger prism (excluding the base)
The two bases of the larger prism
The lateral surface area of the smaller prism (excluding the base)
The two bases of the smaller prism
The lateral surface area of a prism is given by the formula: perimeter of the base multiplied by the height.
The bases of the prisms are rectangles, so their areas can be calculated by multiplying the length by the width.
To find the missing prism's surface area, we need to consider that it is a smaller prism nested inside the larger prism. The lateral surface area and bases of the missing prism should also be included.
Once we have calculated the individual surface areas, we add them together to find the total surface area of the figure.
Without specific measurements or dimensions of the figure, it is not possible to provide a numerical answer. Please provide the necessary measurements or dimensions to calculate the surface area.
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80 is congruent to 5 modulo 17. question 14 options: true false
The statement "80 is congruent to 5 modulo 17" is true.
When two numbers are congruent modulo a given number, it means they have the same remainder when divided by that number. For example, 14 is congruent to 2 modulo 4, because both have a remainder of 2 when divided by 4.
In this case, we are considering the numbers 80 and 5 modulo 17. To see if they are congruent, we need to divide them by 17 and compare their remainders:80 ÷ 17 = 4 remainder 12 (or simply, 4 mod 17)5 ÷ 17 = 0 remainder 5 (or simply, 5 mod 17).
Since both numbers have the same remainder (namely, 5) when divided by 17, we can say that they are congruent modulo 17. Therefore, the statement "80 is congruent to 5 modulo 17" is true.
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Suppose that an angle is bisected to form two smaller angles that measure (3+30)° and (5+6)° . What is the measure of the original angle?
°
Based on the angles addition theorem, the measure of the original angle = 44°.
What is the Angles Addition Theorem?The angles addition theorem states that if an angle is bisected to form two smaller angles, then the sum of the measures of the two smaller angles equals the measure of the original angle that is bisected.
Given that the two smaller angles formed when bisected are: (3+30)° and (5+6)°. Based on the angles addition theorem:
The measure of the original angle = (3+30)° + (5+6)°
The measure of the original angle = 33° + 11°
The measure of the original angle = 44°
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Help me please i need the equation of axis of symmetry
Answer:
x = -2
Step-by-step explanation:
It's a vertical line at x = -2
HELP OMG
I LOST MY AIRPODS AT SCHOOL
Answer:
how should we help?
Step-by-step explanation:
Answer:
dang that sucks..... try and play music at max vol and see if you hear any music coming from anywhere that's probably were the airpods are, if they are in the case then i dont know if u would hear anything. It all depends...
~ i hope this has helped ya out some how, hope ya find your airpods my friend!~
Step-by-step explanation:
Question... The leader of a city crime watch team sends out a survey to her neighbors asking them to vote on the best time to patrol the city to watch for criminal acts. Describe how the design of the survey leads to bias. (4 points)
Options...
A nonresponse error was made in this design. This type of sampling only represents the city and not the entire county population.
A nonresponse error was made in this design. This type of sampling only represents the neighborhood with the worst crime and not the entire city population.
A convenience sample error was made in this design. This type of sampling only represents the neighborhood with the least crime and not the entire city population.
A convenience sample error was made in this design. This type of sampling is only representative of one neighborhood and not the entire city population.
There are no potential areas of bias.
Answer:
(c) A convenience sample error was made in this design. This type of sampling is only representative of one neighborhood and not the entire city population.
If x/y + y/x = -1 , find the value of x^3 - y^3
Answer:
0
Step-by-step explanation:
Multiplying the first equation by xy, we have ...
x^2 +y^2 = -xy
Factoring the expression of interest, we have ...
x^3 -y^3 = (x -y)(x^2 +xy +y^2)
Substituting for xy using the first expression we found, this is ...
x^3 -y^3 = (x -y)(x^2 -(x^2 +y^2) +y^2) = (x -y)(0) = 0
The value of x^3 -y^3 is 0.
please help with this question
Answer:
I think it would be B
an independent variable is the thing that doesn't change
Step-by-step explanation:
because the signal strength is what you want to stay the same you would want it to be at full bars. A is incorrect you can move the router closer or father away from the computer. your going to have to to get the best signal same for C. and on D it is incorrect because they never said that they were only going to have one device or two or three on the router.
hope this helps!
Describe how the shape, center and spread of t-models change as the number of degrees of freedom increasesshape becomes farther from normal, center does not change, spread becomes widershape becomes closer to normal, center does not change, spread becomes widershape becomes coser to normal, center does not change, spread becomes narrowershape becoems farther from normal, center does not change, spread becomes narrower
When the number of degrees of freedom increases of t model then option (c) shape becomes closer to normal, center does not change, spread becomes narrower
As the number of degrees of freedom (df) increases, the t-distribution becomes closer in shape to the standard normal distribution. When df is small, the t-distribution has more probability in the tails and less probability in the center compared to the normal distribution. However, as df increases, the shape of the t-distribution approaches the shape of the normal distribution, with most of the probability density concentrated in the center and less in the tails.
The center of the t-distribution remains the same as the degrees of freedom change. It is always centered at zero.
The spread of the t-distribution becomes narrower as the number of degrees of freedom increases. When df is small, the t-distribution has a wider spread than the normal distribution.
Therefore, the correct answer is option (c) shape becomes closer to normal, center does not change, spread becomes narrower
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Find the nonpermissible replacement for y inthis expression.(y +3)/(y-1)
To find the nonpermissible replacement for y in the expression;
\(\frac{y+3}{y-1}\)The nonpermissible replacement for y is the replacement for y at which the denominator of the expression is zero. (when the denomenator is zero, the final value can not be determined).
For the given expression, the denomenator is;
\(y-1\)For y to be nonpermissible, the denometor must be equal to zero.
\(y-1=0\)To get y, add 1 to both sides.
\(\begin{gathered} y-1+1=0+1 \\ y=1 \end{gathered}\)At y =1, the expression becomes;
\(\frac{y+3}{y-1}=\frac{1+3}{1-1}=\frac{4}{0}\rightarrow\text{ nonpermissible }\)Therefore, the nonpermissible replacement for y in the given expression is;
\(y=1\)Using the quadratic equation to calculate [H3O+] in 0.00250 M HNO2, what are the values of a, b, c and x , where a, b, and c are the coefficients in the quadratic equation ax2+bx+c=0, and x is [H3O+]? Recall that Ka=4.5×10−4 .
Express a, b, c, and x numerically separated by commas.
the values of a, b, c, and x are:
\(a = 1, b = 0, c = -1.125×10^-6, x = 0.0015\)
The chemical equation for the dissociation of nitrous acid, HNO2, is:
HNO2 + H2O ⇌ H3O+ + NO2-
The acid dissociation constant, Ka, is given as Ka = [H3O+][NO2-]/[HNO2]. Since HNO2 is a weak acid, we can assume that its dissociation is small compared to its initial concentration. Therefore, we can assume that [HNO2] ≈ 0.00250 M and [NO2-] ≈ [H3O+], and substitute these values into the expression for Ka:
\(Ka = [H3O+]^2 / [HNO2]\)
\(4.5×10^-4 = [H3O+]^2 / 0.00250\)
Multiplying both sides by 0.00250, we get:
\(0.00250 × 4.5×10^-4 = [H3O+]^2\)
a = 1, b = 0, and c = -0.00250 × 4.5×10^-4 = -1.125×10^-6. Therefore, the quadratic equation is:
\(x^2 - 1.125×10^-6 = 0\)
Using the quadratic formula, we can solve for x:
\(x = [-b ± sqrt(b^2 - 4ac)] / (2a)\)
Substituting the values of a, b, and c, we get:
\(x = [0 ± sqrt(0 - 4(1)(-1.125×10^-6))] / (2(1))x = [± sqrt(4.5×10^-6)] / 2x = ± 0.0015\)
Since [H3O+] cannot be negative, the only valid solution is:
x = 0.0015
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All of the following are true of betas and correlation coefficients EXCEPT: Group of answer choices Both betas and correlation coefficients can tell you something about the strength of a relationship. Betas describe the relationship between two variables exactly as correlations coefficients do. Betas from an analysis can be compared with other beta coefficients from the same analysis just as correlation coefficients can. Both betas and correlation coefficients can tell you something about the direction of a relationship.
Answer:
yes look at the eslotp uudh
Both betas and correlation coefficients can tell you something about the direction of a relationship. The corect option is D.
What is coorelation coefficient?The coefficient of variation is a ratio which is used to show the level dispersion of values or treatments around the mean of a set of values.
The coefficient of variation is the ratio of the standard deviation to the mean of a set of numbers or treatments. The higher the coefficient of variation the higher the dispersion from the mean.
The coefficient of variation is the best measure of risk for an isolated single asset. Beta is the a measure of how volatile a particular stock is compared to the market.
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what the simplified form of 3
Answer:
It’s the last one.
Step-by-step explanation:
135 can also be written as 9 times 15. Since this is a square root, find a factor that is repeated twice. 9 can be broken down into 3 times 3. Hence this goes on the outside. 15 stays inside.
What is a fitted value for a multiple regression model and the data that is used to create it?
Fitted value is a prediction of the mean response value.
According to the statement
we have to explain the fitted value for the regression model and the data which uses to collect the value.
So, For this purpose, we know that the
A Fitted value is a statistical model's prediction of the mean response value when you input the values of the predictors, factor levels, or components into the model.
An the fitted value used in this model is called the predicted values of response variable in the case of multiple regression model.
And data which is used to create the fitted value is the simple data by which we create the fitted value by the predict the value of given data.
So, Fitted value is a prediction of the mean response value.
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Tickets for a basketball game cost $20 for upper-level seats and $30 for lower-level seats. Tickets at the same venue
for an ice hockey game cost $15 for upper-level seats and $35 for lower-level seats. If tickets for all seats are sold,
the venue generates $7000 in revenue for a basketball game and $6500 for a hockey game. How many upper and
lower-level seats does the venue have?
Let x represent the number of upper-level seats.
Let y represent the number of lower-level seats.
20x + 30y = 7000
15x + 35y = 6500
The venue has
upper-level seats and lower-level seats.
Answer:
200 and 100
Step-by-step explanation:
Just did it:)
Answer:
The number of upper-level seats = 200
The number of lower-level seats = 100
Step-by-step explanation:
Given:
x = the number of upper-level seats.
y = the number of lower-level seats.
According to the question:
20x + 30y = 7000
15x + 35y = 6500
Multiply first equation by 3 and second by 4 then subtract them
\(3(20x + 30y) - 4(15x + 35y ) = 3(7000)-4(6500)\\60x+90y-60x-140y=-5000\\-50y=-5000\\y=100\)
Plug y=100 in 20x + 30y = 7000.
\(20x + 30y = 7000\\20x + 30(100) = 7000\\20x+3000=7000\\20x=4000\\x=200\)
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1. Rudy paid for 5 trees to be delivered.
Each tree cost $119.95.
Rudy paid $86.20 for delivery.
What is the total amount Rudy paid for mulch and delivery?
is anyone expert here in data forecasting methods? I need some help in some topics like time series(holts, holts winter), naive method, regression, acf, pacf, arima, stl method and multivariate time series. please reply if you can help me with these topics
Yes, there are experts here in data forecasting methods who can help you with the topics you've mentioned including time series (holts, holts winter), naive method, regression, acf, pacf, arima, stl method and multivariate time series.
Below are brief explanations of each of these terms:
Time Series: A time series is a sequence of observations of a particular quantity measured over time. Holts Method: The Holt’s method is a forecasting method that forecasts the data by taking into account the trend component along with the level component. Holts Winter Method: Holt's winter model is used to forecast seasonal univariate time series.Naive Method: The naive method is a forecasting method that uses the most recent observation as a forecast for the next time period.Regression: Regression is a statistical method used to estimate the strength and direction of the relationship between two or more variables.ACF & PACF: Autocorrelation function (ACF) and partial autocorrelation function (PACF) are statistical tools used to determine the nature of the correlation between a variable and its lag.ARIMA: ARIMA stands for AutoRegressive Integrated Moving Average. ARIMA is a forecasting technique that uses past data points to predict future values.STL Method: STL is a time series decomposition method that separates a time series into three components: trend, seasonality, and random.Multivariate Time Series: Multivariate time series analysis deals with the analysis of time series data that involves more than one variable.Based on the topics you've mentioned, you may want to ask specific questions regarding these topics to get more detailed answers.To know more about data forecasting, visit
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the height and age of each child in a random sample of children was recorded. the value of the correlation coefficient between height and age for the children in the sample was 0.8 . based on the least-squares regression line created from the data to predict the height of a child based on age, which of the following is a correct statement? responses on average, the height of a child is 80% of the age of the child. on average, the height of a child is 80% of the age of the child. the least-squares regression line of height versus age will have a slope of 0.8 . the least-squares regression line of height versus age will have a slope of 0.8 . the proportion of the variation in height that is explained by a regression on age is 0.64 . the proportion of the variation in height that is explained by a regression on age is 0.64 . the least-squares regression line will correctly predict height based on age 80% of the time. the least-squares regression line will correctly predict height based on age 80% of the time. the least-squares regression line will correctly predict height based on age 64% of the time.
The least-squares regression line of height versus age will have a slope of 0.8 . Was true statement option (2)
The correlation coefficient (r) measures the strength and direction of a linear relationship between two variables, in this case, height and age. A correlation coefficient of 0.8 indicates a strong positive linear relationship between height and age. The slope of the least-squares regression line represents the change in the height of a child for each one-unit increase in age.
Therefore, a slope of 0.8 indicates that for each one-year increase in age, the expected increase in height is 0.8 units. The other options are not correct or relevant based on the given information.
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Full Question: the height and age of each child in a random sample of children was recorded. the value of the correlation coefficient between height and age for the children in the sample was 0.8 . based on the least-squares regression line created from the data to predict the height of a child based on age, which of the following is a correct statement?
responses on average,
the height of a child is 80% of the age of the child. on average, the height of a child is 80% of the age of the child. the least-squares regression line of height versus age will have a slope of 0.8 . the least-squares regression line of height versus age will have a slope of 0.8 . the proportion of the variation in height that is explained by a regression on age is 0.64 . the proportion of the variation in height that is explained by a regression on age is 0.64 .what is a polygon with all sides and angles congruent
A regular polygon is a polygon with all sides and angles congruent. It exhibits symmetry and uniformity in its sides and angles, creating a visually appealing shape.
A polygon with all sides and angles congruent is called a regular polygon. In a regular polygon, all sides have the same length, and all angles have the same measure. This uniformity in the lengths and angles of the polygon's sides and angles gives it a symmetrical and balanced appearance.
Regular polygons are named based on the number of sides they have. Some common examples include the equilateral triangle (3 sides), square (4 sides), pentagon (5 sides), hexagon (6 sides), and so on. The names of regular polygons are derived from Greek or Latin numerical prefixes.
In a regular polygon, each interior angle has the same measure, which can be calculated using the formula:
Interior angle measure = (n-2) * 180 / n
Where n represents the number of sides of the polygon.
The sum of the interior angles of any polygon is given by the formula:
Sum of interior angles = (n-2) * 180 degrees
Regular polygons have several interesting properties. For instance, the
exterior angles of a regular polygon sum up to 360 degrees, and the measure of each exterior angle can be calculated by dividing 360 degrees by the number of sides.
Regular polygons often possess symmetrical properties and are aesthetically pleasing. They are commonly used in design, architecture, and various mathematical applications.
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Convert 14ML (megalitres) iinto kilolitres
Answer:
14000Kilolitres
Step-by-step explanation:
\( 1megalitre = 1000kilolitres \\ \)
\(14megalitres = xkilolitres\)
Cross multiply
\(14 \times 1000 = xkilolitres\)
\(14megaitres = 14000kilolitres\)
Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations)
Answer:
52\(\pi\)
Step-by-step explanation:
The total shaded are will be the area of big circle - not shaded circle + little shaded circle.
The are of big shaded circle: \(\pi\)\(r^{2}\) So, A=\(\pi\)(8^2)= 64\(\pi\)
The are of not shaded circle: \(\pi r^{2}\) So, A= \(\pi\)(4^2)= 16\(\pi\)
The are of little shaded cirlce: \(\pi r^{2}\) So, A=\(\pi\)(2^2)= 4\(\pi\)
64\(\pi\) - 16\(\pi\) + 4\(\pi\)= 52\(\pi\)
PLEASE HELP 20 points!!!6) Find the inverse function. Use f-1(x) to indicate the inverse function and 5 points
parenthesis for the numerator, if needed. Example: f-1(x)=(x+7)/5 *
f(x) = 4x - 2
Your answer
Answer:
Step-by-step explanation:
ANSWER: 16x+=92
What theorem explains why ∠4 ≅ ∠8?
Which angle pairs are same-side interior angles? List all angle pairs.
The theorem that explains why ∠4 ≅ ∠8 is the Alternate Interior Angles Theorem. The same side interior angles pair are ∠3 and ∠5, and ∠4 and ∠8.
Alternate Interior Angles theorem states that if two parallel lines are intersected by a transversal, then the alternate interior angles formed are congruent.
The same-side interior angles are the angles that are on the same side of the transversal and inside the two parallel lines. In the given diagram, the same-side interior angle pairs are ∠3 and ∠5, and ∠4 and ∠8.
All the angle pairs formed by the intersection of the two parallel lines and the transversal are
Corresponding angles are ∠1 and ∠5, ∠2 and ∠6, ∠3 and ∠7, ∠4 and ∠8
Alternate interior angles are ∠3 and ∠5, ∠4 and ∠8
Alternate exterior angles are ∠1 and ∠7, ∠2 and ∠6
Vertical angles are ∠3 and ∠4, ∠5 and ∠6, ∠1 and ∠2, ∠7 and ∠8
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A bank offers an investment account with an annual interest rate of 1.19% compounded annually. Amanda invests $3700 into the account for 2 years.
Answer the questions below. Do not round any intermediate computations, and round your final answers to the nearest cent.
(a) Assuming no withdrawals are made, how much money is in Amanda's
account after 2 years?
(b) How much interest is earned on Amanda's investment after 2 years?
The amount and interest after 2 years will be $3788.58 and $88.58, respectively.
Given that:
Investment, P = $3,700
Rate, r = 1.19
Time, n = 2 years
The amount is calculated as,
A = P(1 + r)ⁿ
A = $3700 (1 + 0.0119)²
A = $3700 x 1.0239
A = $3788.58
The amount of interest is calculated as,
I = A - P
I = $3788.58 - $3700
I = $88.58
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Points A(3, 8) and B(–4, 8) are located on a coordinate plane. Graph the pair of points. Then find the distance between them. Use numbers and words to explain your answer.
Answer:
Step-by-step explanation:
This distance can be calculated by using the distance formula. The distance between two points ( x 1 , y 1 ) and ( x 2 , y 2 ) can be defined as d = ( x 2 − x 1 ) 2 + ( y 2 − y 1 ) 2 .Jun 2, 2017
Given: AB is parallel to DC and E is the midpoint of AC.
Prove: ▲ABE ≅ ▲CDE
Therefore, the AAA test of congruency demonstrated that ABE is Congruence to CDE.
Congruent Definition ExampleSomething that is "exactly equal" in terms of size and shape is referred to as congruent. No matter which way we spin, flip, or rotate the shapes, they remain accurate. For instance, you may draw two circles with the same radius, cut them out, and stack them.
In this case, we are aware that AB ll DC - GIVEN
In light of the characteristic of parallel lines,
Let's recall the property of parallel lines:-
"When the pair of alternating angles equals one another, two straight lines become parallel."
Alternate angles are angle ABE and angle CDB.
angle BAE ≅ angle DCE -{alternate angles}
E is a midway, given that.
According to the midpoint theorem, opposite angles are congruent when angle AES and angle CED are compared.
Here, we may see the congruency test from AAA.
Hence its proved that ∆ABE ≅ ∆CDE by AAA test of congruency.
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