let have the following distribution: 1 2 3 4 0.2 0.3 0.1 0.4 find (write it up to first decimal place).

Nominal categorical data is a categorical variable with two or more values, with no order. The examples of nominal categorical data here are the issue type, country, city.

Categorical data can be divided as two as per the variables. They are nominal and ordinal. In nominal categorical data, there will be two or more data points, but they are not ranked. The hair color can be red/blond/brown/black etc. But these cannot be ranked by taking one over the other.

In ordinal categorical data, there we can assign an order on the data points. Like grading system in marks of students, size comparison like large, medium, small. Here we could rank these in order.

Year can sometimes be nominal and sometimes ordinal. It is as per the context. If we are using it to calculate time it is ordinal.

So here we could not rank of variables in country, issue type, city. So all are nominal categorical data.

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The slope of the secant line is 137.

The rate of change of discharges between 1994 and 1995 can be determined by taking the first derivative of the function, f'(x) = 3.3x² - 72x + 260. When x = 1994, the rate of change is -6. This means that the discharges decreased by 6 from 1994 to 1995.

The average rate of change of discharges from 1994 to 2000 can be determined by taking the average of the first derivative of the function for x = 1994 and x = 2000. When x = 1994, the first derivative is -6 and when x = 2000, the first derivative is 148. The average rate of change of discharges from 1994 to 2000 is therefore 71.

f(0) = 1.2 (0)3-36 (0)2+262/0)+570 = 570

+(4) = 1-2(4)3-36(4)2 +262 (4) +570 = 1118.8

Slope of the secant line = [tex]\dfrac{1118.8 - 570}{4-0}[/tex]

Slope of the secant line = 137

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Answer:

Step-by-step explanation:

x-2=-9

Add 2 on both sides

x=-7

Answer:

[tex]x=11[/tex]

Step-by-step explanation:

x−2=9

Add 2 to both sides.

x=9+2

Add 9 and 2 to get 11.

x=11

pls tell me if wrong

Answer:

$10.22

Step-by-step explanation:

The total amount Kendra needs for the bead is $2.87 more than the amount she currently has in her purse, which is $7.35. Therefore, x = $7.35 + $2.87 = $10.22.

The inequality that represents this situation is:

x ≥ $7.35 + $2.87

x ≥ $10.22

Another way to represent this would be:

x - $7.35 ≥ $2.87

x ≥ $10.22

Both of these inequalities represent the same thing, that x (the total amount Kendra needs for the bead) must be greater than or equal to $10.22.

3) The components of composition between two functions are [tex]f(n) = n^{2}+ 5^{n}[/tex] and g(n) = n² + 1.

4) The composition between functions g(n) = √(4 + n + √n) and h(n) = n⁴ + 8 is the function (g ° h)(n) = √[4 + n⁴ + 8 + √(n⁴ + 8)].

In this problem we find two cases of composition between functions, that is, a operation between two functions, so that the input of the first function (f(x)) is substituted by the entire second function (g(x)), that is:

f ° g(x) = f [g(x)]

Case 3 - If we know that [tex](f\,\circ \,g) (n) = (n^{2}+1)^{2}+5^{n^{2}+1}[/tex], then the components of the composition of functions are:

[tex]f(n) = n^{2}+ 5^{n}[/tex]

g(n) = n² + 1

Case 4 - If we know that g(n) = √(4 + n + √n) and h(n) = n⁴ + 8, then the composition between the two functions is:

(g ° h)(n) = √[4 + n⁴ + 8 + √(n⁴ + 8)]

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A=1/2bh and b=2A/h so

b=2A/h =2(12cm^2)/3cm=8cm

In order to find the base

We apply the area of a triangle formula to find the base

We know the formula to find the area of a triangle is,

[tex]A =\frac{1}{2}XbXh[/tex]

Here the area and the height is given

So the base is

[tex]12 = \frac{1}{2} X bX3[/tex]

Substituting the values we get

[tex]\frac{12X2}{3} = b[/tex]

[tex]8cm = b[/tex]

Answer:

4.

a.) -7/6 (x + 4)(x - 3) = y

b.) -6/121 (x-8)^2 = y

c.) 1/6 (x-sqrt 7)(x + sqrt 7) = y

5.

a.) -13/36 (x+2)^2 + 5 = y

Step-by-step explanation:

4. The intercept form of a quadratic equation is

[tex]y=a(x-p)(x-q)[/tex], where a is a number determining things like if the parabola opens up or down and how wide or narrow the parabola, while p and q are the x-intercepts.

Because we're given the x-intercepts and a point on the parabola, we can simply plug everything in and solve for a to find the equation of the parabola:

a.):

[tex]y=a(x-(-4))(x-3)\\y=a(x+4)(x-3)\\\\7=a(2+4)(2-3)\\7=a(6)(-1)\\7=-6a\\-7/6=a\\\\y=-7/6(x+4)(x-3)[/tex]

b.):

[tex]y=a(x-8)^2\\\\-6=a(-3-8)^2\\-6=a(-11)^2\\-6=121a\\-6/121=a\\\\y=-6/121(x-8)^2[/tex]

c.):

[tex]y=a(x-\sqrt{7})(x-(-\sqrt{7}))\\ y=a(x-\sqrt{7})(x+\sqrt{7})\\ \\ 3=a(-5-\sqrt{7})(-5+\sqrt{7})\\ 3=a(25-5\sqrt{7}+5\sqrt{7}-7)\\ 3=a(25-7)\\ 3=18a\\ 3/18=1/6=a\\ \\ 1/6(x-\sqrt{7})(x+\sqrt{7})=y[/tex]

5. The vertex form of a quadratic equation is

[tex]y=a(x-h)^2+k[/tex], where a is the same type of number as in the intercept form and (h, k) is the vertex.

Like the intercept form of the equation, we're given everything except a and thus we can plug in what we have and solve for a:

[tex]y=a(x-(-2))^2+5\\y=a(x+2)^2+5\\\\-8=a(4+2)^2+5\\-8=a(6)^2+5\\-8=36a+5\\-13=36a\\-13/36=a\\\\y=-13/36(x+2)^2+5[/tex]

Using their concepts, we have that the mean will be increased and the median will remain constant.

The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations.

The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile, which is the middle value of the distribution.

The largest value is the 7th observation, therefore it will be included in the calculation of the mean.

Since this observation have an increased value, the sum of all observations will be increased while the number of observations remains constant,

So the mean will be increased.

Hence, for a distribution of 7 observations, we have that:

The first three observations are the first half.

The 4th observation is the median.

The last three observations are the second half.

Here only the last observation changes, not the fourth, hence the median remains constant.

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Answer:

Point A: y = 552

Point B: y = 123

Step-by-step explanation:

y = -13x - 46

A: x = -46

y = -13(-46) - 46  ==> plugin -46 for x in y = -13x - 46

y = 598 - 46

y = 552

A: x = -13

y = -13(-13) - 46  ==> plugin -13 for x in y = -13x - 46

y = 169 - 46

y = 123

The actual interval of existence for the solution is all real numbers, including t = 0.

a. The characteristic equation for the differential equation is

2t dy/dt = 8y,

which gives us

dy/dt = 4/t y.

Separating variables, we have

dy/y = 4/t dt,

which integrates to

ln|y| = 4 ln|t| + C,

where C is an arbitrary constant of integration.

Taking the exponential of both sides, we obtain

|y| = Ce^(4ln|t|),

which gives us

y = C t^4.

Using the initial condition y(-1) = 2, we can find the value of C:

y(-1) = C(-1)^4

2 = C(-1)^4

C = -2.

So the solution to the initial value problem is

y(t) = -2 t^4.

b. The largest interval of the form a < t < b on which the existence and uniqueness theorem for first order linear differential equations guarantees the existence of a unique solution is t ≠ 0, since the coefficient of the differential equation is undefined at t = 0.

c. The actual interval of existence for the solution is all real numbers, including t = 0.

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If during her first week of work, a physical therapist estimated that therapy sessions would last about 30 minutes each. The time the physical therapist expect to spend at a therapy session is: about 45 minutes.

In order to find the expected duration of a therapy session, you can calculate the mean (average) of the durations for the five sessions.

The mean is calculated by adding the durations of all the sessions and then dividing by the number of sessions.

Mean = (47+53+32+50+45) / 5

Mean = 227/5

Mean = 45 minutes

Therefore the physical therapist should expect to spend about 45 minutes on average for each therapy session.

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The total number of outcomes that are possible are given as follows:

48 outcomes.

The number of outcomes for each case is obtained using the Fundamental Counting Theorem, with the multiplication of the number of outcomes for each trial.

The number of outcomes in each step is given as follows:

Hence the total number of outcomes that are possible are obtained as follows:

N = 6 x 8

N = 48.

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The measure of AC is 12 units.

The measure of AC' is 6 units

The measure of C'B' is 10.5 units.

The midsegment of a triangle is a line connecting the midpoints between two sides of a triangle. Therefore, the segment is parallel to the third side and half of it.

Therefore, applying mid segment principle,

C'B' = 1 / 2 (21)

C'B' = 21 / 2

C'B' = 10.5 units

Hence, using mid segment principle

AC' = CC' = 6

Therefore,

AC = 6 + 6 = 12 units

using mid segment principle,

AC' = 6 units

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(a) Verifying that y(x) = (x - c)^2 satisfies the differential equation y' = 2y:

To verify that the function y(x) = (x - c)^2 satisfies the differential equation y' = 2y, we can find the derivative y' and substitute it back into the equation:

y' = d/dx [(x - c)^2] = 2(x - c)

So, y' = 2y if and only if 2(x - c) = 2y, which can be simplified to x - c = y.

Therefore, y(x) = (x - c)^2 satisfies the differential equation y' = 2y for all x, including x = c.

(b) Values of b for which the initial value problem y' = 2/y, y(0) = b has no solution or a unique solution:

(i) No solution: If b = 0, the initial value y(0) = 0 and the denominator of the right-hand side of the differential equation y' = 2/y would be 0, making the equation undefined at that point. Therefore, the initial value problem y' = 2/y, y(0) = 0 has no solution.

(ii) Unique solution defined for all x: For all other values of b (b ≠ 0), the initial value problem y' = 2/y, y(0) = b has a unique solution that can be found using standard methods of solving initial value problems. This solution will be defined for all x.

The figure illustrating the fact that the initial value problem y' = 2/7, y(0) = 0 has infinitely many different solutions would show a family of curves that are all solutions to the differential equation y' = 2/7, with different starting values y(0) leading to different curves. This demonstrates that there are infinitely many different solutions to the initial value problem.

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Answer:

Answer:

The expression simplifies to:

[tex](\frac{3p^2 + 49}{42p})^2 -(\frac{3p^2 - 49}{42p})^2[/tex]

Using the difference of squares identity, the expression further simplifies to:

[tex]\frac{98p}{42p^2} = \frac{98}{42p}[/tex]

Step-by-step explanation:

Part A: The range of a function is the set of all possible outputs (y-values) for the given domain of the function. In this case, the domain of f(x) is all real numbers. We can find the range of f(x) by analyzing the two different parts of the piecewise function:

For x <= 2, f(x) = 2^(x+1) - 3. The minimum possible output for this function is y = -1 (when x = -1) and the maximum possible output is y = 3 (when x = 0).

For x > 2, f(x) = 10/x. The minimum possible output for this function is y = 0 (as x approaches infinity) and the maximum possible output is y = 10 (when x = 2)

So, the range of f(x) is [-1, 10].

Part B: The asymptotes of a function are the lines that the graph of the function approaches but never touches. In this case, the graph of f(x) has a vertical asymptote at x = 0, because the function is not defined at x=0.

Part C: The end behavior of a function is the behavior of the function as the input (x) approaches positive or negative infinity. In this case, the function f(x) = 10/x as x > 2, as x approaches positive infinity the output(y) approaches 0, and as x approaches negative infinity the output(y) does not exist. Therefore, the end behavior of f(x) is that it approaches 0 as x approaches positive infinity.

Answer:

It is a well-known fact that for any natural number k, there are no non-zero integers x, y, and z that satisfy x^3 + y^3 + z^3 = k, unless k = 1 or k = 8. This is known as Fermat's Last Theorem.

However, for k = 1, we have the solution (x, y, z) = (1, 0, 0) and for k = 8, we have the solution (x, y, z) = (2, −1, 1)

It's important to note that this problem is a complex mathematical problem, which was solved only by Andrew Wiles in 1994 using advanced mathematical theories such as Iwasawa theory and Galois representations.

The perimeter of the rectangle is (6x - 2)ft and the area of the rectangle is (2x^2 - 5x - 12) square ft.

What is a rectangle?

A rectangle is a sort of quadrilateral with parallel sides that are equal to one another and four vertices that are all 90 degrees apart. Because of this, it is also known as an equiangular quadrilateral.

We are given that the length of a rectangle is (2x + 3) ft. and the width is

(x - 4) ft.

We know that perimeter of rectangle = 2(Length + Width)

So,

⇒Perimeter = 2(2x + 3 + x - 4)

⇒Perimeter = 2(3x - 1)

⇒Perimeter = (6x - 2)ft

We know that area of rectangle = Length * Width

So,

⇒Area = (2x + 3) * (x - 4)

⇒Area = 2x^2 - 8x + 3x - 12

⇒Area = (2x^2 - 5x - 12) square ft

Hence, the perimeter of the rectangle is (6x - 2)ft and the area of the rectangle is (2x^2 - 5x - 12) square ft.

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For given arithmetic operations, matching is as:

Addition              - Subtraction

Multiplication      - Division

Square                - Square root

Cube                    - Cube root

Arithmetic operations is a branch of mathematics, that involves the study of numbers, operation of numbers that are useful in all the other branches of mathematics. It basically comprises operations such as Addition, Subtraction, Multiplication and Division.

These basic mathematical operations (+, -, ×, and ÷) we use in our everyday life. Whether we need to calculate the annual budget or distribute something equally to a number of people, for every such aspect of our life, we use arithmetic operations.

The four basic arithmetic operations in Maths, for all real numbers, are:

Addition (Finding the Sum; ‘+’)

Subtraction (Finding the difference;  ‘-’)

Multiplication (Finding the product; ‘×’ )

Division (Finding the quotient; ‘÷’)

As, inverse operations inverses the actual value

Addition                      - Subtraction

Multiplication              - Division

Square                        - Square root

Cube                           - Cube root

hence, they will be matched accordingly.

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Sorry but i can't really read the writing so... Maybe try take a pic again

the measure of the angle x is c)30°

Answer:

30 degrees

Step-by-step explanation:

In the bottom triangle,

Both angles are 75 degrees, so their sum is 75 + 75 = 150 degrees
The remaining angle is 180 - (sum of the two other angles)
= 180 - ( 75 + 75)
= 30 degrees

As this angle is a the vertically opposite angle to x, it will be equal to x
∴ x = 30 degrees

The required meaning of the word sped is A special education student.

The noun is defined as any word used to identify any of class of people, places, or things are called noun.

Here,
Sped is a noun word that tends is meaning toward education, which has meaning as special education student. The plural of sped is speds while in british english sped is used as a verb past tense and past participle of speed.

Thus, the required meaning of the word sped is A special education student.

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The output column, S, of the given input-output table was created from the student ID 21444368 using an algorithm where if the student ID digit is an even integer, a 0 is placed in the corresponding row of column S, and if the student ID digit is an odd integer, a 1 is placed in the corresponding row of column S.

Student ID: 81725225

P Q R S

1 1 1 0

1 1 0 1

1 0 1 1

0 1 0 0

0 0 1 1

0 1 1 0

0 0 0 1

Student ID: 81725225

P: The first digit of my student ID is 8 so it is an even integer, therefore I place a 0 in row 1 of column P.

Q: The second digit of my student ID is 1 so it is an odd integer, therefore I place a 1 in row 2 of column Q.

R: The third digit of my student ID is 7 so it is an odd integer, therefore I place a 1 in row 3 of column R.

S: The fourth digit of my student ID is 2 so it is an even integer, therefore I place a 0 in row 4 of column S.

The resulting table is:

P Q R S

1 1 1 0

1 1 0 1

1 0 1 1

0 1 0 0

0 0 1 1

0 1 1 0

0 0 0 1

The output column, S, of the given input-output table was created from the student ID 21444368 using an algorithm where if the student ID digit is an even integer, a 0 is placed in the corresponding row of column S, and if the student ID digit is an odd integer, a 1 is placed in the corresponding row of column S. The same algorithm was applied to my student ID 81725225, resulting in the table shown above.

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Therefore , the solution of the given problem of inequality graph comes out to be  the graph of the inequality 2x - y ≤ -3 is a line that cuts through the x-y plane

An inequality graph is a graph that represents the solution set of an inequality, showing the values of the independent variable (usually represented on the x-axis) for which the inequality is true.

Here,

An inequality can be represented graphically by shading the region on a coordinate plane that satisfies the inequality. The direction of shading (above or below the line) depends on the inequality symbol.

The graph of the inequality 2x - y ≤ -3 in the x-y plane can be plotted by finding the boundary line for the inequality and shading the region that satisfies the inequality. To do this, we can start by setting the equation 2x - y = -3 and finding the x- and y-coordinates of the points on the line. Then we can plot these points and draw the line that connects them.

Next, we will determine which side of the line represents the solution set. To do this, we can pick a point that is not on the line and substitute its x- and y-coordinates into the inequality. If the inequality is true for the point, we shade the region that contains the point. If the inequality is false, we shade the region that does not contain the point.

So the graph of the inequality 2x - y ≤ -3 is a line that cuts through the x-y plane and is shaded on one side. The shaded region represents all the x- and y-coordinates that satisfy the inequality.

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Answer:

99.08

Step-by-step explanation:

169.95*(1-45%)*(1+6%) = 99.08

Answer:

400.33

Step-by-step explanation:

haul price= 377.67

tax=22.66

377.67+22.66=400.33

Answer:

Step-by-step explanation:

the error, based on the question, the eqution has 4 solution for the X

listed as (4, -4, -3, 1)

as X solution in verticial , put all the X value into the F(x) to find the Y valuein horizontal value