PLEASE HELPP. FINALS DAY. BRAINLIEST ANSWER WILL BE MARKED!!

Yes, the UNIQUE function is an array function. The results of this function just need to be written once, and the full array will be filled with the results (range of cells).

A formula with numerous computations capabilities on one or more elements in an array is known as an array formula. An array can be thought of as a row, column, or mix of rows and columns of values. Array formulae may provide a single result or a number of outputs.

Array formulae may provide a single result or a number of outputs. Any formula that can provide several outcomes will automatically spill them either down, starting with the Microsoft 365 September 2018 upgrade.

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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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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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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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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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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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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 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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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

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

Answer:

Step-by-step explanation:

The perimeter of a rectangle is the sum of its 2 widths and 2 lengths.

Lets call the width ‘W’ and the length ‘L’. The perimeter (P) is equal to 2W + 2L. So 28 = 2W + 2L which simplifies to 14 = W + L.

28/2=14

The area of a rectangle is the width multiplied by the length so the formula is A = W x L. We want to get rid of the length. So, if we rearrange the first equation 14 = W + L to make L the subject we get L = 14 - W. We can now substitute this into the area equation so we get → A = W x (14 - W). That’s your answer!

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..

To graph linear inequalities with two variables separation of variables and plotting are two basic steps.

Mathematical expressions known as linear inequalities compare two expressions using the inequality symbol. The expression may be either a numerical or an algebraic expression, or it may be both.

3x-2y>1 is an illustration of a linear inequality. The inequality equation's LHS is in this case clearly greater than the RHS.

Step 1:Always begin by separating the variable y from the inequality's left side.

Step 2: Replace the inequality symbol with the equality symbol.

Step 3: In the X, Y, XY, XY plane, graph the boundary line from step 2.

Step 4:The final step is to shade a portion or one side of the border line.

If your boundary line contains the inequality symbols >> or \ge≥., shade the upper side of the boundary line.

If the inequality symbols << or \le≤ are present, shade the boundary line's bottom side.

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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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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 median of 1 - 50 is 25.5.

The midway value in a given set of figures or data is referred to as the median. To get the average value for a given group of integers, three distinct metrics are employed in mathematics.

The first fifty numbers are 1,2,3,4,5................50

The number of terms in the data, n=50.

As the number of terms is even thus the median will be (n/2 th term + n/2 +1 th term) / 2

Median = (50/2 +50/2+1)/2

The 25th term of the sequence is 25.

The 26th term of the sequence is 26.

Median = 25+26/2 = 25.5.

Thus, the median of 1-50 is 25.5.

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The first fifty numbers are 1,2,3,4,5................50

The number of terms in the data, n=50.

Median = (50/2 +50/2+1)/2

The 25th term of the sequence is 25.

The 26th term of the sequence is 26.

Median = 25+26/2 = 25.5.

Thus, the median of 1-50 is 25.5.

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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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 book  'Terrible Weather' was written by WAYNE DROPS

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Solving the equations,

1) 5x-7 = 4x+3

x = 10 (N)

2) 6+2x = 7x-9

5x = 15

x = 3 (O)

3) 8x+1 = -8-x

-9x = 9

x = -1 (A)

4) -5+12x = 18x+7

6x = -12

x = -2 (S)

5) -4x+3 = 5x-13-x

8x = 16

x = 2 (R)

6) -10-11x+24 = 3x

14x = 14

x = 1 (E)

7) 8+3x = x+11+2x

3x-3x = 11-8

3 = 0

No solution (Y)

8) 5+17x+9 = 2x+21x+14

6x = 0

x = 0 (D)

9) 6x+8-13x+10 = 4-6x-11+4x

-7x+18 = -7-2x

5x = 25

x = 5 (W)

10) -14+5-x-3 = x+6+x+3x

-18 = 6x

x = -3 (P)

Now, the answer is coded as 93716 852104

Decoding with the help of the solutions of the given equations

WAYNE DROPS

Hence, the answer is WAYNE DROPS

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Answer:

0.002827 m^2

Step-by-step explanation:

A = pi * r^2

d = 2r

r = 3 cm = 0.03 m

A = pi * (0.03) ^ 2

A = 0.002827 m^2

The area of the circle is - 0.028 [tex]m^{2}[/tex]

The diameter (D) of a circle - 6cm

                          D=[tex]\frac{r}{2}[/tex]

The radius of a circle is = [tex]\frac{6}{2}[/tex] cm

                                      = 3 cm  = 0.03 meter

Now,  

       The formula of the area of a circle  = π[tex]r^{2}[/tex]

                    (the value of π = [tex]\frac{22}{7}[/tex] )

        Area of a circle = [tex]\frac{22}{7}[/tex] * [tex](0.03)^{2}[/tex]   [tex]m^{2}[/tex]

                                  =[tex]\frac{22}{7}[/tex] * 0.0009 [tex]m^{2}[/tex]

                                  = 0.028 [tex]m^{2}[/tex]

∴ The area of the circle is - 0.028 [tex]m^{2}[/tex]

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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

Answer:

x² -9x + 20

Step-by-step explanation:

x²-4x -5x + 20

x² - 9x + 20

Answer:

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

The equation 4x²+8xy+ky²-9 = 0 will have a pair of straight lines when k = 0.

An equation obtained from the standard form of a linear differential equation by replacing the right member by zero.

Given that, an equation having a pair of straight line 4x²+8xy+ky²-9 = 0

The auxiliary equation of a line is given by, ax²+2hxy+by²+2gx+2fy+c = 0

or, abc-2fgh-af²-bg²-ch²= 0

Comparing with the given equation,

a = 4, h = 4, b = k, g = 0, f = 0 and c = -9

4k(-9)+0-0-0+9(4)² = 0

36k = 144

k = 4

Hence, The equation 4x²+8xy+ky²-9 = 0 will have a pair of straight lines when k = 0.

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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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Answer:

3/4 = 15/20

3/4 = 8/10

Step-by-step explanation:

5 is the required mean of the given values 4 and 6.

The mean is a specific type of average.

A list of values, such as measurements or numbers, is used to calculate it by dividing the total number of values in the list by the total number of values in the list.

To find the mean, add up each value in the set.

Now, we got the values which are:

4 and 6

Mean formula: Sum of terms / Number of terms

Now, we will use the above-given formula and calculate the mean of 4 and 6 as follows:

Mean: Sum of terms / Number of terms

Mean: 10/ 2

Mean: 5

Therefore, 5 is the required mean of the given values 4 and 6.

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Complete question:

How do you find the mean of 4 and 6?

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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Answer: see below

Step-by-step explanation:

x=-1 is a vertical line at x=-1

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]