What is the solution to the system of equations y x 10 2x y 4?.

Answers

Answer 1

The solution to the system of equation is [tex](\frac{14}{3},-\frac{16}{3})[/tex]

What is a system of equations ?

A system of equations is a set of two or more equations with the same variables. A solution to a system of equations is a set of values for the variable that satisfy all the equations simultaneously.

Differentiate between substitution and elimination method.

The major difference between the substitution and elimination method is that the substitution method is the process of replacing the variable with a value, whereas the elimination method is the process of removing the variable from the system of linear equations.

The system of equations are :

y = x - 10 and

2x + y = 4

On solving two equations by using substitution method ,we get

By substituting the value of y in another equation ,we obtain the equation in terms of one variable :

Now, according to the question

⇒ 2x + (x - 10) = 4

⇒ (2x + x) = (4 + 10)

⇒ 3x = 14

⇒ x = 14/3

Further for y ,we substitute obtained value of x in the equation

y = x - 10

Now,

[tex]y = \frac{14}{3}-10[/tex]

  [tex]=\frac{(14-30)}{3}[/tex]

  [tex]= (\frac{-16}{3})[/tex]

  [tex]= - (\frac{16}{3})[/tex]

Hence ,the solution is (x,y) : [tex](\frac{14}{3},-\frac{16}{3})[/tex]

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Related Questions

Explain how the process of checking polynomial division supports the fact that polynomials are closed under multiplication and addition.

Answers

The process of checking polynomial division supports the fact that polynomials are closed under multiplication and addition is shown below:

What is a polynomial?

A polynomial is the quotient (with or without a remainder). multiplying this polynomial by the polynomial's divisor We get a polynomial with updated exponents and coefficients, so it's closed under multiplication.

A polynomial is defined as an equation composed of variables, constants, and exponents that are joined together using mathematical operations such as addition, subtraction, multiplication, and division.

If no remainder exists, the dividend is equal to the quotient multiplied by the divisor.

The quotient and divisor, as well as their product, the dividend, are both polynomials.

If there is a residual, it is added to the product of the quotient and divisor.

The polynomial dividend is the sum of the remainder and the product of the quotient and divisor.

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The length of a rectangle is 3 times the width. The difference between the length and the width is 8.

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The length of the rectangle is 12 units long.

What is a Rectangle?

A rectangle is a geometric figure with equal opposite sides.

The angle between two consecutive sides is 90 degrees.

Area of ​​rectangle = length x width. Perimeter of rectangle = 2 (length + width).

let's assume,

length = l, width = w

Given the,

The length of the rectangle is 3 times the width

l = 3w

The difference in length and width is 8 feet

l-b = 8

According to equations 1 and 2

3w - w = 8

2w = 8

w = 4

Substitute into expression 1

l = 3(4)

l = 12 units.

So the rectangle is 12 units long.

your question is incomplete, but most probably the full question was

The length of a rectangle is 3 times the width. The difference between the length and the width is 8 feet. Determine the rectangle's length

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Match each circle on the left-hand side with its circumference on the right

Answers

Answer:

1 - 4

2 - 2

3 - 5

4 - 3

5 - 1

Step-by-step explanation:

Hope this helps

use the counting principle to determine the number of elements in the sample space. the possible ways to complete a multiple-choice test consisting of 24 questions, with each question having four possible answers (a, b, c, or d).

Answers

There are 4²⁴ possible ways to complete the multiple-choice test consisting of 24 questions, with each question having four possible answers.

We have 24 questions with each having 4 possible outcomes. If we had a question, then we would have 4 ways of answering question 1 and for each of the four answers in question 1, we would have four ways of answering question 2. So, we haveways of answering the questions.

Like this, we have 24 questions. There are four ways to choose an answer to each question. By counting principle, we multiply the number of choices at each step and then we have -

= 4×4×4×4...= 4²⁴ ways to complete the test

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Please help! There is 2 answers for this. thank you so much!

Answers

x = I9I

or:

x = I-9I

so:

x = 9 or -9

Line k ha an equation of y=x 2 7. Line include the point (7, – 2) and i perpendicular to line k. What i the equation of line ?

Answers

The equation of Straight line, perpendicular to line [k]would be y = - x + 5

What is the general equation of a Straight line?

The general equation of a straight line is -

[y] = [m]x + [c]

where -

[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].

[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.

The equation of straight line also represents the directly proportional relation as -

y = mx + c

y = mx         {c = 0}

m = y/x    

or

m = Δy/Δx  

where [m] is constant of proportionality.

We have a line [k] that has an equation of y = x - 7

We have the given equation of line -

y = x - 7

Slope of line will be 1.

Slope of the line perpendicular to line [k] will be -

m[p] = -1

Then, the general equation would become -

y = - x + c

For point (7, - 2), we can write -

- 2 = - 7 + c

c = - 2 + 7

c = 5

Therefore, the equation of Straight line, perpendicular to line [k]would be y = - x + 5

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which of these af3 molecules will have a nonzero dipole moment? choose all that apply. which of these molecules will have a nonzero dipole moment?choose all that apply. request answer

Answers

The first molecule will have a ZERO dipole moment since all the F atoms are at 120 degree making the net dipole zero.

What exactly is a molecule?

A molecule is a group of two or more atoms held together by chemical bonds; depending on the context, the term may or may not include ions that meet this criterion.

A molecule is a particle composed of two or more atoms that are chemically bonded together; the number of atomic nuclei constituting a molecule is fixed. HCl(g), for example, is a molecule composed of one hydrogen atom bonded to one chlorine atom. It is a diatomic molecule because it is composed of two atoms.

The second molecule will have a NON ZERO dipole moment. The net dipole moment will be downwards. The third molecule will have a NON ZERO dipole moment.

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a culture of bacteria has an initial population of 8600 bacteria and doubles every 5 hours. using the formula p t

Answers

The exponential growth formula for bacteria growth is P(t) = 8600 [tex](2)^(t/5)[/tex].

What is exponential growth?

     Exponential growth is a pattern of data that exhibits a greater increase over time, resulting in an exponential curve. Exponential is also a mathematical term meaning "with exponents". For example, if you raise a number to the 10th power, the number increases exponentially. Exponential growth is growth that increases at a constant rate.

Here given take Initial number of bacteria = 8600. rate of growth = 2.

It doubles every year. Then doubling time = 5 hours.

Now population growth after t years,

P(t) = Po [tex](2)^(t/5)[/tex]

=> P(t) = 8600 [tex](2)^(t/5)[/tex]

Therefore exponential growth formula is P(t) = 8600 [tex](2)^(t/5)[/tex].

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Hace 20 año tendre tre vece la edad que tenia hace 10 año. ¿Que edad tuve hace tre año

Answers

Three years ago , mine age was 6 years

What do you mean by algebraic expression?

The concept of algebraic expressions is the use of letters or alphabets to represent numbers without providing their precise values. We learned how to express an unknown value using letters like x, y, and z in the fundamentals of algebra. Here, we refer to these letters as variables. Variables and constants can both be used in an algebraic expression. A coefficient is any value that is added before a variable and then multiplied by it.

Let my present age be x

Age of mine , 20 years ago = x - 20

Age of mine , 10 years ago = x - 10

According to question,

(x - 20) = 13(x - 10)

⇒ x - 20 = 13x - 130

⇒ 13x - x = 130 - 20

⇒ 12x = 110

⇒ x = 110/12

⇒ x = 9.17

Age of mine , theree years ago = x - 3

= 9.17 - 3

= 6.17

≈ 6

Therefore, three years ago , mine age was 6 years

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How long is the side of a square field if it's perimeter is 1 and 1/2 miles

Answers

Answer:

0.375 miles on each side.

Step-by-step explanation:

Since a square is equal on each side, and has 4 sides, we can take 1.5 miles and divide it by 4:

1.5 divided by 4 = 0.375 miles per side

May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!

Answer:

[tex]\dfrac{3}{8}\;\;\sf miles[/tex]

Step-by-step explanation:

A square is a quadrilateral (4-sided shape) with sides of equal length.

The perimeter of a two-dimensional shape is the distance all the way around the outside.

Therefore, the perimeter of a square is four times its side length.

Given:

Perimeter of a square is 1 and 1/2 miles."s" is the side length of the square.

[tex]\begin{aligned}\textsf{Perimeter of a square}&=4s\\\\\implies 1\frac{1}{2}&=4s\\\\\dfrac{3}{2}&=4s\\\\s&=\dfrac{3}{2} \div 4\\\\s&=\dfrac{3}{2} \times \dfrac{1}{4}\\\\s&=\dfrac{3 \times 1}{2\times4}\\\\s&=\dfrac{3}{8}\; \sf miles \end{aligned}[/tex]

Therefore, the side length of a square field with a perimeter of 1 and 1/2 miles is 3/8 miles.

the principle that individuals will be given only the level of access that is appropriate for their specific job role or function is called .

Answers

The principle that individuals will be given only the level of access that is appropriate for their specific job role or function is called Principle of Least Privilege (PoLP)

What is Privilege Creep?

The IT team will frequently need to re-grant credentials so that users may accomplish certain tasks when businesses choose to revoke all administrative capabilities from business users. For instance, many commercial off-the-shelf (COTS) apps and legacy programmes used in enterprise IT systems need privileges to function. The IT staff needs to restore local administrator access to business users so they can utilise these approved and necessary programmes.

As privileges are rarely removed once they have been granted again, organisations may find that many of their users eventually have local administrator rights once more.A user is only provided the minimal levels of access - or permissions - required to carry out his or her job functions under the principle of least privilege (PoLP), which is a notion in information security. It is widely regarded as a best practise in cybersecurity and is a crucial step in safeguarding privileged access to highly valuable data and assets. Beyond human access, least privilege applies.

Least privilege :

Applications, systems, and linked devices that require rights or permissions to carry out a necessary operation can all use the paradigm. Least privilege enforcement makes sure the machine tool only has the minimal access required. A mechanism to centrally store and secure privileged credentials is necessary for least privilege enforcement, combined with adaptable policies that can balance cybersecurity and compliance needs with operational and end-user needs.

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Which is a term in both the sequence f'n )= F n 1 )+ 4?.

Answers

The first term in both sequences f(n) = f(n - 1) + 4 and f(n)=3(5)^(n-1),  is -1.

What is a geometric sequence?

The sequence where each word is varied by another by a common ratio is known as a geometric progression or geometric sequence. When we add a constant (which is not zero) to the term before it, the sequence's subsequent term is created. The following symbols stand in for it: a, ar, ar2, ar3, ar4, etc.

Geometric Progression (GP), a form of sequence in mathematics, is a series in which each subsequent term is created by multiplying each preceding term by a set integer, known as a common ratio. A geometric sequence of integers that follows a pattern is another name for this development.

We have,

f(n) = f(n - 1) + 4

And,

f(n) = 3(5)ⁿ⁻¹

f(1) = 3

Putting n=1

f(n) = f(n - 1) + 4

Now,

f(1) = f(1 - 1) + 4

3 = f(0) + 4

⇒ f(0) = 3 - 4 = -1

Here f(0)= -1

and  f(n) = 3(5)ⁿ⁻¹

Now,

f(1) = 3 × (5)¹⁻¹ = 3 × (5)⁰ = 3 × 1 = 3

f(1) = 3

Hence, the first term in both sequences is -1.

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2. Find the sum, S, for the arithmetic series described? Remember to use the formula

Answers

Using the given formula, the sum of S(n) for the arithmetic series is 565.5.

In the given question we have to find the sum S(n) for the arithmetic series

The given formula is S(n)=n/2 {a(1)+a(n)}

The given values are a(1)=12, a(n)=75,n=13

We just have to put values in given formula

S(n)=n/2 {a(1)+a(n)}

S(n)=13/2 (12+75)

S(n)=6.5*87

S(n)=565.5

Hence, the sum of S(n) for the arithmetic series described is 565.5.

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Which equation can replace 3x plus 5y equals 59 in the original system and still produce the same?.

Answers

13x = 39 can be used in place of the equation 3x + 5y = 59.

Which of the following ordered pairs represents a solution to the linear equation system 2x 3y equals 6?

Only D(0,2) falls on the line, as can be seen. Another way to check is to plug the values of the points' x and y coordinates into the equation 2x3y=6, which, as can be seen, only has one solution (0, 2).

What is the name of the equation system that has a solution?

An assignment of values to the variables x1, x2,..., xn such that each of the equations is satisfied is the definition of a solution of a linear system. The solution set is the collection of all conceivable solutions.

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Guys help me on #4 please

Answers

Answer:

Step-by-step explanation:

so we are told that he deposited 7/9 of  his money.  that mean the remaining is  2/9.   because 9/9 - 7/9 = 2/9   get it?

we are also told that 2.50 = 2/9 of his pay

so use that info to find the total pay

also using my calculator tells me that 2/9 = 0.22222222222222222222

knowing that,  we can divide 2.50 by 0.222222222222

2.50 / 0.2222222222  = 11.25

we now know that  2.50 is 0.222 of  11.25

if you want to check your answer just multiply 11.25 x .222222222  to see if you get 2.50

Do you understand?

Assuming that julia is equally likely to have a spelling mistake on each of the 444 pages, what is the probability that she will have no spelling mistakes on at least one of them?.

Answers

The probability that she will have no spelling mistakes on at least one of them = 0.9919.

Let, X be the random variable denoting the no. of pages among those 444 pages which Julia writes where she makes no spelling mistake.

clearly we know that,

X Binomial (444, 0.7)

So,      P(X = x) = [tex]4c_{x} * (0.7)^{x} * (0.3)^{(4-x)}[/tex]

                           [when  x = 0, 1, 2, 3, 4 ..... so on until 444]

                        = 0 otherwise

According to the question, we have to find out  P(X ≥ 1) .

Now, P(X ≥ 1)

    = 1 - P(X = 0)

    = [tex]1 - (444c_{x} * (0.7)^{0} * (0.3)^{(4)})[/tex]

    = 1 - 0.0081

    = 0.9919

So, the required probability is  given by, 0.9919

Hence the answer is the probability that she will have no spelling mistakes on at least one of them = 0.9919.

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find the value of a,b,c,d,e and f​

Answers

The value of

a = 30  degreeb = 40 degreec = 30 degreed = 60 degreee = 120 degreef = 120 degree

From the figure

2a = 60 degrees ( Corresponding angles are equal )

a = 60 / 2

a = 30 degrees

4c + 60 = 180  degrees ( Sum of angles on a straight line is 180 degrees)

4c = 120

c  = 30 degrees

f = 4c  ( Corresponding angles are equal )

f = 4 × 30

f = 120 degrees

3b + 60 = 180 degrees ( Sum of angles on a straight line is 180 degrees)

3b = 120

b = 40 degrees

f + d = 180 degrees ( Sum of angles on a straight line is 180 degrees)

120 + d = 180

d = 60 degrees

d + e = 180 degrees ( Sum of angles on a straight line is 180 degrees)

60 + e = 180

e = 120 degrees

Hence, the value of

a = 30  degreesb = 40 degreesc = 30 degreesd = 60 degreese = 120 degreesf = 120 degrees

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Is there a series of rigid transformations that could map triangle QRS to triangle ABC if so which transformations could be used?.

Answers

The transformations that could be used is option D) ΔQRS can be translated so that Q is mapped to A and then reflected across the line containing QS.

A geometric transformation known as a stiff transformation of a Euclidean space maintains the Euclidean distance between each pair of points. Stiff transformations include rotations, translations, reflections, or any combination of these. A rotation is known as a rigid transformation or isometry when the image and the pre-image are of the same size and shape. Despite the fact that the figures may be in different positions, an object's size, form, and rotation are all the same. These are the two different categories of transformations: The rigid transition does not change the size or shape of the preimage. The preimage's size but not its shape will change as a result of the non-rigid transformation.

Note that the full question is:

Is there a series of rigid transformations that could map ΔQRS to ΔABC? If so, which transformations could be used?

A No, ΔQRS and ΔABC are congruent but ΔQRS cannot be mapped to ΔABC using a series rigid transformations.

B No, ΔQRS and ΔABC are not congruent.  

C Yes, ΔQRS can be translated so that R is mapped to B and then rotated so that S is mapped to C.

D Yes, ΔQRS can be translated so that Q is mapped to A and then reflected across the line containing QS.

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Name the property shown in the equation: 4 x (5 + 6) = (4 x 5) + (4 x 6)

Answers

The property used in the equation is called Distributive property.

What is Distributive property?

The distributive Property States that when a factor is multiplied by the sum/addition of two terms, it is essential to multiply each of the two numbers by the factor, and finally perform the addition operation.

Given an equation, 4 x (5 + 6) = (4 x 5) + (4 x 6)

The property used in this equation is distributive property.

a(b+c) = (a*b)+(a*c)

Hence, The property used in the equation is called Distributive property.

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3. The math club and the science club had fundraisers to buy supplies for a hospice. The math
club spent $235 buying six cases of juice and one case of bottled water. The science.
club spent #110 buying four cases of juice and two cases of bottled water. How much
did a case of juice cost? How much did a case of bottled water cost?
Cost of Case of Juice:
Cost of Case of Water:

Answers

Cost of Case of Juice: 20

Cost of Case of Water: 15

What is an equation?

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions.

Here, we let

cost of a case of juice = x

cost of a case of water = y

6x + 1y = 135...(1)

4x + 2y = 110.....(2)

Now, we multiply equation (1) by 2 and equation (2) by 1 and we get

12x + 2y = 270

4x + 2y = 110

Now, we subtract equation (1) from equation (2) and we get

8x = 160

x = 20

and y = 15

Hence, the Cost of a Case of Juice: 20

Cost of Case of Water: 15

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what is the probability of drawing (without replacement) an ace, then a king, and then a queen, from a regular deck of 52 cards?

Answers

Three cards are drawn from a standard deck. Thus, the probability to get an ace, followed by a king, and then a queen, is  16/34,425

The formula for conditional probability is:

P(A∩B) = P(B|A) . P(A)

In the given problem:

P(ace) = 4 / 54

After an ace was drawn, the number of cards now is 51.

Hence,

P(king | ace) = 4/51

After the second drawn, the remaining cards is 50. Hence,

P(queen | (king | ace)) = 4/50

Therefore,

P(ace,king,queen) = 4/54 x 4/51 x 4/50 = 64 / 137,700 = 16/34,425

Thus, the probability to get an ace, followed by a king, and then a queen, is  16/34,425

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firm x can forward integrate into distribution distributors are highly dependent on the product necessary distribution networks are tightly held by a single distributor end-users have inelastic demand for the product

Answers

Firm X is least likely to capture gains from the innovation when end users have inelastic demand for the product.

When the demand is inelastic for the product, firm X will be least likely to capture the gains, because the firm will not able to adjust prices for any added production cost.

Production costs allude to the costs an organization causes by assembling an item or offering support that produces income for the organization. Production costs can incorporate various costs, for example, work, unrefined components, consumable assembling supplies, and generally above.

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What are the 2 numbers represented in binary form?.

Answers

Binary is a base-2 number system that represents numbers using the states 0 and 1. It is also possible to refer to it as a true state and a false state. The process for creating a binary number is the same as for creating a regular decimal number.

Negative numbers can be expressed in a variety of ways. Magnitude of the sign is one method. In this technique, the sign is indicated using one bit. Typically, mathematical numbers consist of a sign and a value. While the value denotes the size of the number, the sign shows whether it is positive (+) or negative (-).

Negative binary numbers can be represented in a signed binary number system using the one's complement method. Positive numbers continue to be unchanged in one's complement.

Hence we get the required answer.

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Answer:

1 and 0

Step-by-step explanation:

Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the cdf is the following.
0 , x<0
f(x) = ((x^2)/4) , 0 <= x <= 2
1 , 2<= x
Use the cdf to obtain the following. (If necessary, round your answer to four decimal places.)
(a) P(X %u2264 1)
(b) P(0.5 %u2264 X %u2264 1)
(c) P(X > 1.5)
(d) The median checkout duration [solve 0.5 = F(mew)]
(e) Use F'(x) to obtain the density function f(x)
(f) Calculate E(X)
(g) Calculate V(X) and %u03C3x
(h) If the borrower is charged an amount h(X) = X2 when checkout duration is X, compute the expected charge
E[h(X)].

Answers

By using the concept of probability, it can be calculated that

a)  P(X [tex]\leq[/tex] 1) = 0.25

b) P(0.5 [tex]\leq[/tex] X [tex]\leq[/tex] 1)  = 0.1875

c) P(X > 1.5) = 0.4375

d) Median = 1.414

e) F'(X) = 0.5x , 0 [tex]\leq[/tex] x [tex]\leq[/tex] 2

           0, otherwise

f) E(X) = 1.33

g) V(X) = 0.2311, SD(X) = 0.4807

h)  E(h(X)) = 2

What is probability?

Probability gives us the information about how likely an event is going to occur

Probability is calculated by Number of favourable outcomes divided by the total number of outcomes.

Probability of any event is greater than or equal to zero and less than or equal to 1.

Probability of sure event is 1 and probability of unsure event is 0.

The cdf is

f(x) = [tex]\left \{ {\frac{x^2}{4}},{ 0 \leq x \leq 2} \atop {1, x=2}} \right.[/tex]

Now,

a) P(X [tex]\leq[/tex] 1) = [tex]\frac{1^2}{4} = 0.25[/tex]

b) P(0.5 [tex]\leq[/tex] X [tex]\leq[/tex] 1)

= [tex]\frac{1^2}{4} - \frac{0.5^2}{4}\\\\\frac{3}{16}\\\\0.1875[/tex]

c) P(X > 1.5) = 1 - P(X [tex]\leq[/tex] 1.5)

                      [tex]1 - \frac{1.5^2}{4}[/tex]

                       0.4375

d) Let [tex]\mu[/tex] be the median

P(x [tex]\leq \mu[/tex]) = 0.5

[tex]\frac{\mu^2}{4} = 0.5[/tex]

[tex]\mu^2 = 0.5 \times 4 =2\\\mu = \sqrt{2}\\\mu = 1.414[/tex]

e) F'(x) =

[tex]\frac{2x}{4}, 0 \leq x \leq 2\\0, otherwise[/tex]

F'(X) = 0.5x , 0 [tex]\leq[/tex] x [tex]\leq[/tex] 2

           0, otherwise

f) E(x) =

[tex]\int_0^2 x \times 0.5 xdx\\=0.5 \times \frac{x^3}{3} |_0^2 \\=0.5 \times \frac{2^3}{3}\\=\frac{4}{3}\\=1.33[/tex]

g) V(X) = E([tex]X^2[/tex]) -[tex](E(X))^2[/tex]

    E(X^2) =

                   [tex]\int_0^2x^2(0.5x)dx \\0.5 \times \frac{x^4}{4}|_0^2\\2[/tex]

[tex]V(X) = 2 - (1.33)^2[/tex]

V(X) = 0.2311

SD(X) = [tex]\sqrt{0.2311} = 0.4807[/tex]

h) h(X) = [tex]X^2[/tex]

   E(h(X)) = [tex]\int_0^2X^2({0.5X)dx[/tex]

               = [tex]0.5 \frac{x^4}{4}|_0^2[/tex]

               = [tex]0.5 \times \frac{2^4}{4}[/tex]

               = 2

                   

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TRUE/FALSE. the altitude from the vertex angle to the base of an isoceles triangle is also a prependicular bisector

Answers

Its true that perpendicular bisectors also exist for the height from an isosceles triangle's vertex angle to its base.

Given that,

We have to find perpendicular bisectors also exist for the height from an isosceles triangle's vertex angle to its base.

We know that

Let us take a triangle ABC and draw an altitude CD

Being an isosceles triangle

In ΔACD and ΔCDB

CD=CD (common )

CA=CB ( equal opposite sides)

∠ A=∠ B (the angle between the opposing sides is also equal)

Triangle ACD and triangle CDB are congruent

So , AD=DB by CPCT

So, its true

Therefore, Its true that perpendicular bisectors also exist for the height from an isosceles triangle's vertex angle to its base.

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A dot plot titled Number of books read this month going from 0 to 5. 0 has 4 dots, 1 has 8 dots, 2 has 5 dots, 3 has 0 dots, 4 has 3 dots, and 5 has 2 dots.
Use the dot plot to help you complete the statements.

A cluster is located at 4 and 5 and another is at
.
A gap is located at
.
A peak is located at
.

Answers

We can see two clusters (a group of values that stick together):

One cluster at 0, 1 and 2 and the second one at 4 and 5.A gap is at 3 (no dots, no books read)A peak is at 1 (greatest number of dots, 8 books read)

Please attach the picture (dot plot or other graph or figure) next time.

What is the mean of first 10 whole numbers?.

Answers

The mean of the first 10 whole numbers is 4.5.

What is mean?

A amount that includes a price intermediate between those of the acute members of some set is known as mean.

Main body:

In this question we have to find the mean of the first 10 whole numbers. Whole numbers are all non-negative integers which start from 0. Now the mean of the first 10 whole numbers will be the mean of numbers from 0 to 9, as the count of numbers from 0-9 is 10. Use this concept to reach the answer.

Mean of numbers is equal to the sum of the numbers divided by the count of the numbers that is

Mean = sum of numbers/ total numbers          …………………….. (1)

To find the mean of the first 10 whole numbers, we will find the sum of numbers from 0 to 9 as 0-9 are the first 10 whole numbers.

So, the sum of the first 10 whole numbers is 0+1+2+3+4+5+6+7+8+9=45.

Now putting the values in equation (1) we get, mean = 45/10 = 4.5

Hence, the mean of the first 10 whole numbers is 4.5.

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help meeeeeeeeeeee pleaseee rnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

The number of students in 2001 is 150.4 thousand and the number of students in 2018 is 467.5 thousand

How to find the number of students

In the year 2001

The function in the question is given as

y = 123.1(1.069)ˣ

Where

x is the number of years from 1998 through 2013

So, the value of x in 2001 is

x = 2001 - 1998

This gives

x = 3

Replace x with 3 in the equation y = 123.1(1.069)ˣ

So, we have the following

y = 123.1(1.069)³

Evaluate the expression on the right-hand side

y = 150.4

In the year 2018

The value of x in 2018 is

x = 2018 - 1998

This gives

x = 20

Replace x with 20 in the equation y = 123.1(1.069)ˣ

y = 123.1(1.069)²⁰

Evaluate the expression on the right-hand side

y = 467.5

Hence, there are about 467.5 thousand students in 2018 is

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HELP
what is the output of the function when the input is 0?

Answers

Answer: The input is the x variable and the output is the y variable, so the equation is y=0 which is just a line on the x axis

**the thicker line in the picture is what the line should look like.

Find the absolute maximum and minimum of the function f(x,y)=x2+y2 subject to the constraint x4+y4=1296. As usual, ignore unneeded answer blanks, and list points in lexicographic order. Absolute minimum value: attained at ( , ), ( , ), ( , ), ( , ). Absolute maximum value: attained at ( , ), ( , ), ( , ), ( , ).

Answers

Minimum value and maximum value attained at 36 and [tex]2\sqrt{648}[/tex] respectively.

What is maxima and minima ?

Maxima and minima of a function are the largest and smallest value of the function respectively either within a given range or on the entire domain. Collectively they are also known as extrema of the function. The maxima and minima are the respective plurals of maximum and minimum of a function.

Given that f = [tex]x^{2}[/tex]+ [tex]y^{2}[/tex]

Let g = [tex]x^{4}[/tex] + [tex]y^{4}[/tex] = 1296

By Lagrange Multipliers:  grad(f) = λ grad(g)

or  <2x, 2y> = λ <4[tex]x^{3}[/tex], 4[tex]y^{3}[/tex]>

Equating like entries:

2x = 4λ[tex]x^{3}[/tex]=> x(2λ[tex]x^{2}[/tex] - 1) = 0

2y = 4λ[tex]y^{3}[/tex] => y(2λ[tex]y^{2}[/tex] - 1) = 0

Now there possible 3 cases :

(i) If x = 0, then   [tex]x^{4}[/tex] + 0 = 1296 => x = ±6.

(ii) If y = 0, then 0 + [tex]y^{4}[/tex]= 1296 => y = ±6

(iii) Otherwise, we have 2λ[tex]x^{2}[/tex] - 1 = 0 = 2λ[tex]y^{2}[/tex] - 1  => λ([tex]x^{2}[/tex] - [tex]y^{2}[/tex]) = 0.

If λ = 0, then both x = 0 and y = 0 and this is not possible since [tex]x^{4}[/tex]+ [tex]y^{4}[/tex]= 1296.

Otherwise,[tex]x^{2}[/tex] = [tex]y^{2}[/tex] ⇒ [tex]x^{4}[/tex] +  [tex]x^{4}[/tex] = 1296 => x = ± [tex]648^{1/4}[/tex]

(with x and y will have different signs)

Now we have following critical points (in lexicographic order):

(- [tex]648^{1/4}[/tex], - [tex]648^{1/4}[/tex])

(- [tex]648^{1/4}[/tex],  648^(1/4))

(-6, 0)

(0, -6)

(0, 6)

(6, 0)

( [tex]648^{1/4}[/tex], - [tex]648^{1/4}[/tex])

( [tex]648^{1/4}[/tex],  [tex]648^{1/4}[/tex])

Minimum value attained at f(±6, 0) = f(0, ±6) = 36

Maximum value attained at f(± [tex]648^{1/4}[/tex],  [tex]648^{1/4}[/tex]) = f(± [tex]648^{1/4}[/tex], - [tex]648^{1/4}[/tex]) = [tex]2\sqrt{648}[/tex]

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