No, 1 is not a real number.
What is real number?Real numbers are numbers that can be used to measure or describe anything, such as a quantity or distance. Real numbers can be either rational (e.g. fractions, decimals, and integers) or irrational (e.g. roots and pi). Real numbers are usually represented on a number line, where points to the right of 0 represent positive numbers and points to the left of 0 represent negative numbers.
Real numbers include all the rational and irrational numbers. They can be integers, fractions, decimals, and even imaginary numbers. 1 is an integer, so it is not considered a real number. Real numbers are those that have a decimal representation, which 1 does not.
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What is the coefficient of y2 in the expression 2x2y 10xy2 5y²?
Let x be the coefficient of y^2 in the expression 2x^2y+10xy^2-5y^2. So x=5.
What is co-efficient?A coefficient is a multiplicative factor in a polynomial, series, or expression in mathematics. It is typically a number, although it can also be any expression (including variables such as a, b and c). They may also be referred to as parameters if the coefficients are variables in and of themselves.
Write an example of co-efficient.As an illustration, 6z stands for 6 times z. Since z is a variable, 6 is a coefficient. For variables without a value, the coefficient is 1.
The given algebraic expression is 2yx^2+10xy^2-5y^2.
The terms are xy^2, yx^2 any y^2
So the co-efficient of y^2 is 5.
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7. The height of a candle decreases d centimeters for every hour it burns.
a. Independent Variable:
b. Dependent Variable:
Answer:
Below
Step-by-step explanation:
The height of the candle DEPENDS on how many hours it has burned.
Dependent variable = height
Independent = hours
Using the histogram, determine the median and the range (spread) of the quiz scores.
The median is 12 range 16
Information can not be determined by histogram
Median 18 range 10
Median 15 range is 14
Information can not be determined by histogram.
What is histogram?
A histogram is an approximation of the distribution of numerical data. This term was first introduced by Karl Pearson. The first step in creating a histogram is to "bin" (or "bucket") the range of values. That is, divide the entire range of values into a series of intervals and count the number of values. At each interval fall. Bins are usually specified as consecutive, non-overlapping intervals of a variable. The bins (intervals) must be contiguous and often (but not necessarily) the same size.
If the bins are the same size, bars are drawn across the bins, with heights proportional to frequencies (number of cases in each bin). Histograms can also be normalized to display "relative" counts, which indicate the proportion of cases falling into each of multiple categories with sum of heights equal to 1.
Information can not be determined by histogram.
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I NEED ANSWER FASTTT PLEASEE!!!!
Use the drawing tool(s) to form the correct answer on the provided graph. The graph of function f(x)=|x| is vertically stretched by a factor of 2, shifted 6 units down, and then shifted 4 units to the right. Draw the transformed function on the provided graph.
Answer:
The transformed function is
g(x)=2*|x-4|-6
Step-by-step explanation:
First, you would have to stretch it vertically which is g(x)=2*f(x)
Then you would have to move it 6 units down and 4 units to the right which is g(x)=2*f(x-4)-6
resulting in the actual function
g(x)=2*|x-4|-6
Just type that function into the DESMOS calculator and you should be good
The correlation coefficient, r, is a number between 0 and 1 O and on O-o and o 0-10 and 10 0 and 10 0 and 100 0-1 and 1
The correlation coefficient is a numerical measure of the strength of the linear relationship between two variables. It ranges from 0 to 1, with 0 indicating no linear relationship, and 1 indicating a perfect linear relationship. A value of 0.5 or higher is considered a strong correlation.
The correlation coefficient is calculated by taking the covariance between two variables and dividing it by the product of the standard deviations of the two variables. The formula is as follows:
r = covariance(x,y) / (stdDeviation(x) * stdDeviation(y))
The correlation coefficient is a statistical measure used to quantify the strength of the linear relationship between two variables. It takes a value between 0 and 1, with 0 indicating no linear relationship, and 1 indicating a perfect linear relationship. The correlation coefficient is calculated by taking the covariance between the two variables and dividing it by the product of their standard deviations. A negative correlation coefficient means that as one variable increases, the other decreases. A value of 0.5 or higher is considered a strong correlation. The correlation coefficient can be used to determine the strength of the relationships between variables, whether they are linear or non-linear. It is an important tool for data analysis and can help to identify relationships between different variables.
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Find the product.
(6t - 3ax)(t+ ax)
Enter the corr
Answer:
Step-by-step explanation:
(6t - 3ax)(t+ ax)
use FOIL
6[tex]t^{2}[/tex] +6tax - 3tax -3[tex](ax)^{2}[/tex]
6[tex]t^{2}[/tex] + 3tax - 3[tex](ax)^{2}[/tex]
How do you find the missing leg length of the hypotenuse?
Answer:
Hello,
Step-by-step explanation:
Just find the longest measure.
I need help! Is p+9=2p-3 a one solution, no solution or infinitely Many solutions?
Answer: One solution
Step-by-step explanation:
A number is doubled and then 3 is subtracted. This gives the same result as if the numbers were quadrupled. What is the number?
Answer:
-3/2
Step-by-step explanation:
Let's call the number we're trying to find "x". When we double x and then subtract 3, we get 2x-3. The statement says that this is the same as if we had quadrupled x, which would be 4x. We can set these two expressions equal to each other to create an equation:
2x - 3 = 4x
We can solve this equation by first adding 3 to both sides to get rid of the negative number:
2x - 3 + 3 = 4x + 3
This simplifies to:
2x = 4x + 3
We can now subtract 4x from both sides to get rid of the 4x term:
2x - 4x = 4x + 3 - 4x
This simplifies to:
-2x = 3
Finally, we can divide both sides by -2 to solve for x:
(-2x) / (-2) = 3 / (-2)
This simplifies to:
x = -3/2
Therefore, the number we were trying to find is -3/2.
Answer:
Let's call the number we're trying to find "x". If we double x and then subtract 3, we get the expression 2x - 3. If we quadruple x instead, we get the expression 4x. We are looking for a value of x that makes these two expressions equal, so we can set them equal to each other and solve for x:
2x - 3 = 4x
To solve this equation, we can first combine like terms on each side by adding 3 to both sides and then dividing both sides by 2:
2x - 3 + 3 = 4x + 3
2x = 4x + 3
Combining like terms on the left side gives us:
2x - 4x = 4x + 3 - 4x
0 = 3
This equation is clearly false, since no value of x can make 0 equal to 3. Therefore, there is no solution to this problem, and the original number cannot be determined.
In general, if you are trying to solve a problem involving algebraic equations and you end up with a false equation (like 0 = 3 in this case), it means that there is no solution to the problem. This can happen for a variety of reasons, but in this case it is because the original problem statement was not possible or did not make sense.
Step-by-step explanation:
Sharon has a favorite video game she likes to play everyday until she hits 700 points. she knows that she can earn 10 points per star. if she has 490 points, how many days did she play
The number of days it will take Sharon to hit her target 700 points is 21 days
How many days did she play the game?Sharon's target on the game = 700 pointsAdditional points earned daily = 10 pointsPoints earned already = 490 pointsNumber of days she played the game = g490 + 10g = 700
Subtract 490 from both sides
10g = 700 - 490
10g = 210
divide both sides by g
g = 210 / 10
g = 21
Therefore, it will take Sharon 21 days to meet her target points.
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A business has a budget of $2,160 to spend on updating their technology. Each month, x, the business spends $135 on various technology updates. The amount of money remaining in the budget for technology, T(x), can be described by the function T(x) = −135x + 2160. What is the interpretation of the x-intercept in the context of the problem?
After 1 month, the business will have $2,025 remaining for technology updates.
After 16 months, the business will have $0 remaining in their technology budget.
The initial technology budget for the business is $2,160.
The business spends $135 every month updating their technology.
The interpretation of the x-intercept in the context of the given problem is: B. After 16 months, the business will have $0 remaining in their technology budget.
How to Find and Interpret the X-intercept of an Equation?To find the x-intercept of an equation, substitute the value of y = 0, and solve for x. It is the value of x when y or the output = 0.
Given the equation, T(x) = −135x + 2160, where T(x) is the amount of money remaining in the budget for technology, and x is the number of months, the x-intercept would be the number of months that the business will have $0 in their budget for technology.
To find the x-intercept, substitute T(x) = 0, into T(x) = −135x + 2160:
0 = −135x + 2160
135x = 2160
Divide both sides by 135
135x/135 = 2160/135
x = 16
This means after 16 months, the technology budget that the company will have remaining is $0.
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What is the mean of the following data 2 3 5 7 8?
Mean of the given numbers is 5.
What are the mean, median, and example?
The most frequent number, or the one that happens the most frequently, is known as the mode.
Example: Since the number 2 appears three times, more than any other number, it is the mode of the numbers 4, 2, 4, 3, and 2.
given numbers are 2 3 5 7 8
Mean is given by the formula
Mean = Sum of all the items/Number of items
x = 2 +3 + 5 + 7 + 8/5
x = 25/5
x = 5
Mean of the given numbers is 5.
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How do you do 300-84848393
Answer:
Step-by-step explanation:
84848093
What are the 6 steps to solving a standard equation or inequality?
The six steps to solve inequality are -:
Add the same number to both sides.
Subtract the same number from both sides.
Multiply both sides by the same positive number.
Divide both sides by the same positive number.
Multiply both sides by the same negative number and reverse the sign.
Divide both sides by the same negative number and reverse the sign.
Inequality—the state of not being equal, especially in status, rights, and opportunities1—is a concept very much at the heart of social justice theories. However, it is prone to confusion in public debate as it tends to mean different things to different people. Some distinctions are common though.
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Add the same number to both sides.
Subtract the same number from both sides.
Multiply both sides by the same positive number.
Divide both sides by the same positive number.
Multiply both sides by the same negative number and reverse the sign.
Divide both sides by the same negative number and reverse the sign.
Which inequality is represented by the graph below?
Answer:
2) y ≥ 2x - 3
Step-by-step explanation:
3 and 4 would be eliminated because the line does not intersect at (0, 2), but rather (0, -3).
What are the intercepts of the graphed function? Group of answer choices x-intercept = (–1, 0) y-intercept = (–3, 0) x-intercept = (0, –1) y-intercept = (0, –3) x-intercept = (0, –1) y-intercept = (–3, 0) x-intercept = (–1, 0) y-intercept = (0, –3)
The x and y intercepts of the graphed function are (–1, 0) and ( 0,-3 ) respectively.
What are intercepts?A graph's intersections with an axis, or at least touches on it, are known as intercepts.Where the graph crosses or touches the x-axis is known as an x-intercept.When the graph touches the y-axis is known as a y-intercept.When the y-value is zero, the equation has a solution known as the y-intercept.When the x-value is zero, the equation has a solution known as the x-intercept.As a result, the graphic idea of x- and y-intercepts is quite straight forward. When we are forced to attempt to handle intercepts algebraically, issues arise.Here, the x and y intercepts of the graphed function are (–1, 0) & ( 0,-3 ) respectively. Refer image for graph.So, option D is correct.To learn more about intercepts, refer:
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Determine the domain and range
Answer:
Domain:
[tex]0 \leqslant x \leqslant 4[/tex]
Range:
[tex]0 \leqslant x \leqslant 64[/tex]
What is the mean of 1 2 3 4 5?
Answer:
Step-by-step explanation:
answer is 3 because formula of mean is Mean = {Sum of Observation} ÷ {Total numbers of Observations}.
so 1+2+3+4+5=15/5=3
so 3
The mean or arithmetic mean* is represented with this symbol [tex]\boldsymbol{\sf{\overline{x}}}[/tex], and it is calculated by adding all the data, and dividing them in total, by the total number of data there is.
We calculate the mean.1 ➕ 2 ➕ 3 ➕4➕ 5 = 15➗5=3The mode of 1,2,3,4,5 is 3✅.
For a ride on a rental scooter, Bob Paid 3$ fee to start the scooter plus 11 cents per minute of the ride. the total bill for Bob's ride was 13.67. for how many minutes did Bob ride the scooter?
After solving the equation, the time in minutes Bob rides the scooter will be equal to 97 minutes.
What is an equation?Mathematical expressions with two algebraic symbols on either side of the equal (=) sign are called equations.
This relationship is illustrated by the left and right expressions being equal to one another. The left-hand side equals the right-hand side is a basic, straightforward equation.
As per the given information in the question,
Total price paid to start the scooter = $3
Price of ride per minute = 11 cents
1 dollar = 100 cents
So, 11 cents = 11/100 = $0.11 per minute
Then, the equation will be,
$3 + $0.11(x) = $13.67
Here, x is the total number of minutes.
0.11x = 13.67 - 3
0.11x = 10.67
x = 97 minutes.
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Dakota earned $15.75 in interest in Account A and $28.00 in interest in
Account B after 21 months. If the simple interest rate is 3.0% for Account A
and 4.0% for Account B, which account had the greater principal? Explain.
The principal of account A is $3 and the principal of account B is $4, Account B had the greater principal.
What is principal?
The principal is the sum that was first invested or borrowed from the bank. P stands for the principal. Rate: Rate is the interest rate at which the main sum is loaned to a person for a specific period of time; it may be 5%.
Given $15.75 in interest in Account A with interest rate 3.0% and $28.00 in interest in Account B with interest rate 4.0% after 21 months.
The formula of simple interest is I = PRT.
For account A:
R = 3.0% = 0.03
T = 21 month = 21/12 year
I = $15.75
P = I/RT
P = 15.75/ (0.03 × (21/12))
P =$3
For account B:
R = 4.0% = 0.04
T = 21 month = 21/12 year
I = $28.00
P = I/RT
P = 28.00/ (0.04 × (21/12))
P =$4
The principal of account B is more than that of account A.
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How do you rewrite an expression in equivalent form?
To rewrite an expression in equivalent form, you can use the distributive property, combine like terms, apply the commutative property, or use identities to simplify and rearrange the expression.
The distributive property states that multiplying a term and a sum of two or more terms is the same as multiplying each individual term and then adding the products together. It can be used to simplify expressions by breaking down larger terms into smaller ones. For example, 8(x + 2) can be rewritten as 8x + 16.Combining like terms is another way to rewrite expressions in equivalent form. This involves adding (or subtracting) two or more terms with the same variables. For example, 5x + 3x can be rewritten as 8x.The commutative property states that changing the order of two numbers or variables does not change their value. This can be used to rearrange expressions in equivalent forms. For example, 5x + 2y can be rewritten as 2y + 5x.Finally, identities are equations that are always true. They can be used to simplify and rearrange expressions in equivalent form. For example, (x + y)2 can be rewritten as x2 + 2xy + y2 using the identity (x + y)2 = x2 + 2xy + y2.
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Four girls have a mean height of
1.4m. Six boys have a mean
height of 1.7m.
Work out the mean height of all 10
children.
Answer:
To find the mean height of all 10 children, we need to find the total height of all the children and divide it by the number of children. The total height of the four girls is 4 * 1.4 = <<41.4=5.6>>5.6m
The total height of the six boys is 6 * 1.7 = <<61.7=10.2>>10.2m
The total height of all 10 children is 5.6 + 10.2 = <<5.6+10.2=15.8>>15.8m
The mean height of all 10 children is 15.8/10 = <<15.8/10=1.58>>1.58m. Answer: \boxed{1.58}.
Step-by-step explanation:
A 292929-meter ladder is sliding down a vertical wall so the distance between the top of the ladder and the ground is decreasing at 777 meters per minute. At a certain instant, the bottom of the ladder is 212121 meters from the wall.
Answer: The rate of change of the distancebetween the bottom of the ladder and the wall at that instant is 6.67 meter per minute.Let us consider that distance between the top of the ladder and the ground is x meterand distance between the bottom of the ladder and the wall is y meter.So, A right angle triangle is formed.Since, the bottom of the ladder is 21 meters from the wall.So, Applying Pythagoras theorem, Given that, the distance between the top of the ladder and the ground is decreasing at 7 meters per minute. Differentiate below equation with respect to time. Thus, the rate of change of the distance between the bottom of the ladder and the wall at that instant is 6.67 meter per minute
Step-by-step explanation:
Subtraction property of equality
3
2
= k + 11
2
3
2
− 11
2
= k + 11
2
− 11
2
Addition property of equality
3
2
+ (− 11
2
) = k + 11
2
+ (− 11
2
)
The solution is k =
-7
-4
StartFraction 13 over 2 EndFraction
StartFraction 15 over 2 EndFraction
Subtraction property of equality is B, -4.
What is subtraction property?
The Subtraction Property of Equality states that if two expressions are equal, then the same expression minus any number will also be equal. In other words, if a = b, then a - c = b - c. This property is important in algebra, as it allows us to solve equations by subtracting the same number from both sides. This property is also known as the Subtraction Property of Equality or the Subtraction Property of Equality of Two Values. It is an important concept that allows us to solve equations, and it is used in all levels of mathematics.
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Can someone please help me please
Answer:
3 (for the box), p=1
Step-by-step explanation:
Since they want you to follow the instructions, divide by 2 to get (5p-2p) alone.
6p/2 = 3p (exactly like 6/2)
You will get 3p=5-2p
To solve the rest of the equation, add 2p to both sides (once you add 2p to the left side, it gets rid of it on the right side by canceling it out)
3p=5-2p
+2p +2p
5p=5
Divide 5p by 5 to get p by itself.
5p/5 = 5/5
That is p = 1
To Write Equations of Parallel or perpendicular Lines Write the equation of the line that is parallel to y=2x + 4 and passes through the point (-4,-1). Geometry question
Answer:
Equations of parallel and perpendicular lines The equation of a straight line is represented as \ (y=ax+b\) which defines the slope and the \ (y\)-intercept. Here \ (a\) represents the slope of the line. Since two parallel lines never intersect and have the same slope, their slope is always equal.
Step-by-step explanation:
If ΔTYL ~ ΔCHK, find the value of x.
Answer:
There isn't enough information to solve for x.
Step-by-step explanation:
The way the statement of similarity is written, we get this proportion:
TY/CH = TL/CK = YL/HK
Replace segment names with lengths:
TY/10 = 25/CK = (4x - 1)/(x + 5)
There isn't enough information to solve for x.
i need help, who has the answers?
(4,3) , (0,-4) and (4,3.9) are the solution pairs where x > y .
What does greater than (>) mean ?
Greater than means that the variable or number is more than the given limit. On the other hand, greater than or equal to states that the number or variable is either equal to or more than the given limit. The greater-than symbol is represented as >, whereas the greater than or equal to sign is represented as ≥.
Given :
(4,3)
(4,4)
(0,-4)
(4,3.9)
(0,0)
Since , all the ordered pairs are in the (x,y) form , we can clearly see that (4,3) , (0,-4) and (4,3.9) are the solution pairs where x > y .
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A regression table mainly shows us Select one: a. How we should run the regression analysis.b. what the coefficients values are, and whether each coefficient is significant (likely to be different from from 0)c. that the smallest coefficients always have the greatest impact on the dependent variable.d. if a large constant term is important.e. all of the above.
A regression table mainly shows us that what the coefficients values are, and whether each coefficient is significant (likely to be different from from 0) .
A regression table is a statistical technique that describes how strongly a dependent variable and one or more independent variables are correlated (s). A field or variable you are attempting to predict or comprehend could be a dependent variable.
Regression allows researchers to predict or explain the variation in one variable based on another variable. The variable that researchers are trying to explain or predict is called the response variable. It is also sometimes called the dependent variable because it depends on another variable.
What is interpretation of regression statistics table?In statistics, regression is a technique that can be used to analyze the relationship between predictor variables and a response variable. When you use software (like R, SAS, SPSS, etc.) to perform a regression analysis, you will receive a regression table as output that summarize the results of the regression.
A regression table primarily reveals the values of the coefficients as well as the significance of each coefficient (how likely it is that it will depart from 0).
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How can you verify congruence?
If any two angles and side included between the angles of one triangle are equivalent to the corresponding two angles and side included between the angles of the second triangle, then the two triangles are said to be congruent.
There are 5 main rules of congruency for triangles:
SSS Criterion: Side-Side-SideSAS Criterion: Side-Angle-SideASA Criterion: Angle-Side- AngleAAS Criterion: Angle-Angle-SideRHS Criterion: Right angle- Hypotenuse-SideThree Ways To Prove Triangles Congruent:
SSS (Side-Side-Side) Postulate: If there exists a correspondence between the vertices of two triangles such that three sides of one triangle are congruent to the corresponding sides of the other triangle, the two triangles are congruent.
SAS (Side-Angle-Side) Postulate: If there exists a correspondence between the vertices of two triangles such that the two sides and the included angle of one triangle are congruent to the corresponding parts of the other triangle, the two triangles are congruent.
ASA (Angle-Angle-Side)Postulate: If there exits a correspondence between the vertices of two triangles such that two angles and the included side of one triangle are congruent to the corresponding parts of the other triangle, the two triangles are congruent.
By using these rules, If two angles and one side of a triangle are respectively equal to two angles and the matching side of another triangle, then the two triangles are congruent.
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