Between which two integers does [tex]\sqrt{11}[/tex] lie?

Answer:

( D ) x must be a number divisible by 3

Step-by-step explanation:

Rational numbers cannot be whole numbers.

( A ) x must be an odd number

if x is an odd number, Let's take x as 1 then the answer will be in rational number. So, Option A is wrong.

( B ) x must be an even number

If x is an even number, Let's take x as 2 then the answer will be in Rational number. So, Option B is wrong.

( C ) x must be a number greater than 3

Let's take x as 4, then the answer will be in Rational number. So, Option C is wrong.

( D ) x must be a number divisible by 3

Let's take x as 6 as 6 is divisible by 3, then

[tex] \frac{2}{3}x+ 1[/tex]

[tex] \frac{2}{3}(6)+ 1[/tex]

[tex]2(2) + 1[/tex]

[tex]4 + 1[/tex]

[tex]5[/tex]

The correct option is C. It is safe to apply the central limit theorem, even if the sample size for each sample is 15, if the sample population is normally distributed.

The central limit theorem states that, if you take repeated samples of a population and calculate the mean of each sample, the distribution of the means of those samples will tend to be normally distributed, provided that the sample size is large enough. This means that, even if the original population is not normally distributed, the distribution of the means of the samples will tend towards a normal distribution as the sample size increases.

However, if the original population is already normally distributed, then you can apply the central limit theorem with a smaller sample size and still expect the distribution of the means of the samples to be normally distributed. Therefore, in order for it to be safe to apply the central limit theorem with a sample size of 15, the sample population must be normally distributed.

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Answer:

3/4 = 15/20

3/4 = 8/10

Step-by-step explanation:

We can create charts in microsoft Excel by using new tab on the view menu.

It is a software programe created by Microsoft that uses spreadsheet to display numbers and data with formulas.It enables the users to format,organize and calculate data easily in a spreadsheet.

Open Microsoft Excel and select new tab.

Enter the data you want to create a chart.

Click the insert tab.

Click the recommended charts.(chart type)

Create chart.(once you select the chart preview and description appear at the right).

Click OK.(The recommended chart inserted into worksheet).

Hence we can create Excel chart into worksheet or microsoft word.

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Step-by-step explanation:

If a = b^2 c^3 and c = j^2 k^5, then we can substitute c = j^2 k^5 into the expression for a to get:

a = b^2 (j^2 k^5)^3

= b^2 j^6 k^15

This is a correct expression for a in terms of b, j, and k.

The correct expression for a in terms of b, j, and k is [tex]a = b^2 j^6 k^{15}[/tex].

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

The Numbers constants, variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbol be used to indicate the logical syntax's order of operations and other features.

We are given the terms as a = b^2 c^3 and c = j^2 k^5, then

we can substitute c = j^2 k^5 into the expression for a to get:

[tex]a = b^2 (j^2 k^5)^3\\= b^2 j^6 k^{15}[/tex]

Which is a correct expression for a in terms of b, j, and k.

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Answer:

Step-by-step explanation:

if you move over from 2. 3 full lines you get to 2.6. draw the x in between 2.6 and 2.8.

each line is 0.2 so 3.5 lines is 2.7

The equation of the function in vertex form is f(x) = 1/4(x-1)²+2.

What is vertex form?

A different way to express the equation of a parabola is in its vertex form. A quadratic equation is typically represented as an x 2 + b x + c, and when graphed, it will look like a parabola.

Here, we have

Given

The vertex (1, 2) and the point (-3, 6).

we have to find the equation of the function in vertex form.

We know that

The vertex form of the equation is :

f(x) = a (x-h)² +k

Now, we put the value of x, h, and k and we get

6 = a(-3-1)² + 2

6 = 16a + 2

4 = 16a

a = 1/4

Now, we put the value of a in the vertex form equation and we get

f(x) = 1/4 (x-1)²+2.

Hence, the equation of the function in vertex form is f(x) = 1/4(x-1)²+2.

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Answer:

30 seats

Step-by-step explanation:

For every row, there are 2 seats on the left and 3 seats on the right.

If there are 45 seats total on the right side, then there must be 45/3 = 15 rows. Therefore, there are 15*2= 30 seats on the left.

Answer:

If you want to learn something without me directly giving you the answer, then here's the explanation

Step-by-step explanation:

You are given two points with unclear coordinates. Because they are equal to each other, you know that they are both the exact same point, meaning that the x and y coordinate of each point is equal to eachother. Therefore,

[tex]3x/4=3\\y/6=2[/tex]

If you understand basic algebra, the rest should be easy.

Answer:

Step-by-step explanation:

No solution.

y=x

-1(y=x)

-1y=-1x

+1y=1x+2

-1y and 1y cancel each other out. -1x and 1x cancel each other out.

Leaving +2..so it's a no solution. Solved using elimination it's easier..

Note that in the word problem above, the number of Pawns that you have is 14 pawns.

To solve this problem, you can use the equation:

Number of pawns = (Number of pawns in the largest possible square) + (Number of pawns needed to fill in the square) + 1

Substituting the given information, we get:

Number of pawns = (7 pawns) + (6 pawns) + 1 pawn

Simplifying, we get:

Number of pawns = 14 pawns

Therefore, you have 14 pawns.

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On solving the provided question we can say that, - the roots of the given equations  are - x = -5/2 and x = 1

When referring to the values of a variable for which the supplied polynomial equals zero, we use the term "roots of a polynomial." The polynomial p(x) has zero roots if and only if an is its root. By setting each component to 0, you may solve for x to determine the roots, or solutions, of the polynomial equation P(x) = 0. Factoring is used to solve the polynomial equation. Set each component to a value of 0 (2x4), (x-6) or (x+1). Calculate x using the solution.

here,

[tex]2x^2 + 3x - 5[/tex]

(2x + 5)(x-1)

x = -5/2 and x = 1

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Answer:

⭐ There are 3 ways you can write a linear function (⭐ = most common):

The ratio of polynomials with which the polynomial denominator should not be equal to zero is known as a rational function. A function with a radical sign is frequently thought of as being irrational.

The ratio of polynomials to which the polynomial denominator should not be 0 is known as a rational function. It is same as the rational number's definition.

It's common knowledge that functions with radical signs are irrational functions. Activities including square roots, cube roots, or other roots, for instance, are regarded as irrational functions. It is claimed that a function is irrational if it performs addition, subtraction, multiplication, division, and raising to power with rational, non-integral exponents on the right side of the equation y = f(x).

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The values of h and k would be =2 and 2 respectively.

The value of x would be = 5.2

A horizontal distance is the distance that is be covered by a moving object through a horizontal pathway.

y = h + kx - 0.5x^2

When X = 2 and y = 5 is the centre of the hoop.

To calculate for y;

X max = -k/2× (-0.5)

X max = k = 2

y max = 5

Substitute the given variables into the equation and make h the subject of formula.

5 = (h + 2×2) - (0.5x^2)

5= (h + 4)- 1

h +4 = 5+1

h +4 = 6

h = 6-4

h = 2

Also from the graph, the value for x as the ball hits the ground would be = 5.2

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Answer:

B

Step-by-step explanation:

The [tex]x[/tex] intercepts are where [tex]f(x)=0[/tex].

[tex]2x^2+7x-9=0 \\ \\ (2x+9)(x-1)=0 \\ \\ x=-\frac{9}{2}, 1[/tex]

The [tex]y[/tex] intercept is where [tex]x=0[/tex].

[tex]f(0)=2(0)^2+7(0)-9=-9[/tex]

Julie has spent 40.25 + 10.56 = <<40.25+10.56=50.81>>50.81 seconds on wall climbing and the ropes.

She needs to complete the course in 74.6 - 50.81 = <<74.6-50.81=23.79>>23.79 seconds to match Lisa's record. Answer: \boxed{23.79}.

The Multiplication table that comes in the number 64 is 1, 2, 4, 8, 16, 32, and 64.

Multiples are numbers that are multiplied by another number to get a particular number.

In mathematics, multiples are the results of multiplying an integer by a given number.

Multiples of 5 include, for instance, 10, 15, 20, 25, 30, etc.

Numerous 7s include 14, 21, 28, 35, 42, 49, etc.

A multiple in mathematics refers to the outcome of multiplying two numbers together.

Here, the number 7 is multiple by 56.

Because the result of multiplying 0 by any number is 0, 0 is a multiple of all numbers.

So, in order to know what tables come in 64, we need to check that what numbers multiples ae 64:

64/1 = 64

64/2 = 32

64/4 = 16

64/8 = 8

64/16 = 4

64/32 = 2

64/64 = 1

Therefore, the Multiplication table that comes in the number 64 is 1, 2, 4, 8, 16, 32, and 64.

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Square Bases:  A = s².

Rectangle-shaped bases: A = l x w.

Circular bases: A = pi x r².

In geometry, a three-dimensional object's bottom is referred to as its base; if the solid's top is parallel to its bottom, it is also referred to as a base.

The bases of cubes as well as square pyramids are square. The length of one of a square's sides multiplied on its own, or squared, determines the area of a square: It goes like this: A = s².

Pyramids and several rectangular solids have rectangular bases. A rectangle's area is determined by multiplying its length, l, by it's own width, w: A = l x w.

Cones and cylinders have round bases. The radius of a circle, r, squared, plus the number pi, is equal to a area of the circle:

A = pi x r².

Pi is  approximately 3.14.

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(i), (ii), (iv) and (vii) are the given expressions that represents polynomial.

An expression that consists of variables, constants, and exponents that is combined using mathematical operations like addition, subtraction, multiplication, and division is referred to as a polynomial (No division operation by a variable).

Monomial, binomial and trinomial are the three types of polynomials.

A polynomial may contain exponents, constants, and variables, but it never divides by a variable.

There cannot be a negative exponent in a polynomial.

No variable at all, one variable, two variables, or more are all possible for polynomials.

Exponents can only be multiples of 0, 1, or 2, not fractions.

Based on above definitions (i), (ii), (iv) and (vii) are the given expressions that represents polynomial.

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The function is in the form of linear equation in two variables where y is the cost and x are number of games played.

Linear equation in two variables is referred to a function that can be expressed in the form y = ax + b where a, b are constant values and x and y are variables. x is the independent variable and y is the dependent variable. Here we have the function y = 3.5x + 4 and the independent variable x is the number of games played and dependent variable y is the cost of the games that are played. Now in the equation the additional fee is represented by the constant value 3.5 and the fee for shoe is represented by the number 4 and is not dependent as the shoe rent fee is constant and not depends on number of games played.

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The numeric value with no sign is positive so 1 is positive.

Can numeric value be negative?

There are whole numbers and fractional numbers, for instance, in the world of numerical data. There are both positive and negative numbers.

What is positive and negative in numbers?

Positive numbers are those that are greater than zero. It is possible to write positive numbers with or without a sign in front of them. A negative number is one that is less than zero. The minus symbol (-) is always written in front of negative values.

As 1 have no sign with it so it means 1 is positive. If any numeric value is negative it must have negative sign with it else numeric value is positive.

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Answer:

49

Step-by-step explanation:

Vertical angles are congruent.

8x-23=6x-5

8x-6x=23-5

2x=18

divide

x=9

8(9)-23

=49

A t-statistic rather than a z-score is used when (C) the population's variance and standard deviation are unknown.

The t-statistic, which is used in statistics, measures how far a parameter's estimated value deviates from its hypothesized value relative to its standard error.

Through the Student's t-test, it is utilized in hypothesis testing.

In a t-test, the t-statistic is used to decide whether to accept or reject the null hypothesis.

When the variance and standard deviation of the population are unknown, a t-statistic is employed rather than a z-score.

The p-value is the likelihood that, if the null hypothesis is correct, each test will result in a t-value with an absolute value at least as great as the one we actually observed in the sample data.

The t-value is a way to measure the difference between population means.

Therefore, a t-statistic rather than a z-score is used when (C) the population's variance and standard deviation are unknown.

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Correct question;
In what circumstances is the t-statistic used instead of a z-score for a hypothesis test?

(A) the t-statistic is used when the population variance (or standard deviation) is known

(B) you use the z-test when the sample size is less than 30

(C) the t-statistic is used when the population variance (or standard deviation) is unknown

Infinity is a concept that refers to something that is unbounded, limitless, and endless. Mathematician John Wallis invented the standard sign for infinity,∞, in 1655.

Given that,

We have to find who invented the infinity.

We know that,

Infinity is a concept that refers to something that is unbounded, infinite, and endless. English mathematician John Wallis created the standard sign for infinity,∞, in 1655.

There are three basic categories of infinity: mathematical, physical, and metaphysical.

Examples of mathematical infinities are the quantity of points on a continuous line or the length of the never-ending series of the numbers 1, 2, 3, etc.

When one inquires if there are infinitely many stars or whether the universe will exist forever, they are posing spatial and temporal ideas of infinity.

There are issues about whether an ultimate entity must be infinite and whether lower things could also be infinite in a metaphysical discussion about God or the Absolute.

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The net salary of Charles in the month of January is 8100.

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Let, 'x' be the total salary of Charles in January.

Charles spent 1/4 of his net salary on school fees so the reaming amount is,

= {x - (1/4)x}

= (3/4)x.

(1/3)rd of the remainder on electricity and water bills which is,

= (1/3)×(3/4)x.

= (3/12)x.

= (1/4)x.

Now, The remaining amount is {(3/4)x - (1/4)x}.

= (2/4)x.

He then spent 1/9 of what was left on transport which is,

= (2/4)x×(1/9).

= (1/18)x.

Now, The remaining amount is {(2/4)x - (1/18)x}.

= [(18 - 2)/36]x.

= (16/36)x.

= (4/9)x.

So, as he left with 3600 it is equal to (4/9)x.

Therefore,

(4/9)x = 3600.

4x = 32400.

x = 8100.

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The size of  image if magnification m  is equal to 1 is calculated to be 2m.

Given

Height of object = 1 m

Height of image = h'

Magnification = m = 2

The formula to calculate magnification is

m = h'/h

2 = h'/1

h' = 2 m

Therefore , the height of the image formed will be 2m.

Magnification is a concept of physics which refers to the process of enlarging an object ,  the object itself does not become physically larger, but just appears larger as projected on a screen.

The magnification can take two forms, microscopic magnification and telescopic magnification. When we insert a small thing, it appears larger due to microscopic magnification.

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Resultant polynomial is  [tex]-2x^2 -2x +3[/tex].

(4x^2 - 2x )+ ( -6x^2 + 3)

[tex]4x^2 - 2x + 0[/tex]             +

[tex]-6x^2 + 0x + 3[/tex]

[tex]-2x^2 -2x +3[/tex]

Resultant polynomial is  [tex]-2x^2 -2x +3[/tex].

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Answer:

$6000

Step-by-step explanation:

So, we know that

$1500 = 25%

We find 1% by taking

1500 divided by 25% = $60

We have to find the 75% off by taking

60 times 75 = $4500

Then we have to find the original price by taking

4500 + 1500 = $6000

So, the original price is $6000

Answer:

$6000

Step-by-step explanation:

The total cost is 100%

The discount was 75%

then:

100% - 75% = 25%

The percentage paid was:

25%

then:

$1500 ⇒ 25%

$A ⇒ 100%

A = 1500*100/25 = 6000

A = $6000

Bring the variable to the left side and bring all the remaining values to the right side.

Now, According to the question:

Let's know:

What is an algebraic value?

An algebraic number is a number that is a root of a non-zero polynomial in one variable with integer (or, equivalently, rational) coefficients. For example, the golden ratio, , is an algebraic number, because it is a root of the polynomial x2 − x − 1.

An algebraic formula is an equation or a rule written using mathematical and algebraic symbols and terms. It is an equation that involves algebraic expressions on both sides. The algebraic formula is a short quick formula to solve complex algebraic calculations.

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