describe a procedure that could be used to write an equation having the first 7 natural numbers as solutions.

The term in cell I5 will be for the AVERAGEIFS function:

AVERAGEIF( I11:I67 ,"<3500",J11:J67 ,"E3")

For the given question the termed   AVERAGEIFS  is the function formula in excel which returns the average of all the cells available in the sheet in a range that meets a given condition.the syntax for the term is  AVERAGEIF(range, criteria, [average_range]),  where the range is  Required like  One or more cells to get the average. Criteria os the basically the form of an expression, number, or cell reference, and at last the average range is optional it is just the set of cells to average.

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Answer:

:Equation of line is[tex]y=1.2x+3.8[/tex]To find:The equation of line that passes through the point (5, 0) and parallel to the given line.

Step-by-step explanation:

To complete the square of the quadratic function x² + 10x + 4 we need to add 21

Completing the square is a method in algebra that is used to write a quadratic expression in a way such that it contains the perfect square. In simple words, we can say that completing the square is a process where consider a quadratic equation of the ax² + bx + c = 0 and change it to write it in the form a(x + p)² + q = 0. This method is generally used to find the roots of a quadratic equation.

Completing the square formula is a technique or method to convert a quadratic polynomial or equation into a perfect square with some additional constant. A quadratic expression in variable x: ax² + bx + c, where a, b and c are any real numbers but a ≠ 0, can be converted into a perfect square with some additional constant by using completing the square formula or technique

The equation given is

x² + 10x + 4 = 0

Take 4 to right side

x² + 10x = -4

rewrite in (x + a)² = b form

(x + 5)² = 21

x + 5 = ±√21

x = √21 - 5

x = -√21 - 5

To complete the square, we need to add 21

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Answer:

-1/2

Step-by-step explanation:

y2-y1/x2-x1

-10-(-3)/9-(-5)=-7/14=-1/2

Solving the equation using quadratic formula the value of y in the quadratic equation is y= 0.675 or y= -3.11

Mathematically, quadratic formula can be written as

[tex]y= \frac {-b + or - \sqrt{b^{2}-4ac } }{2a}[/tex]

from the expression, a= 3.9 , b=9.5, c= -8.2

substitute the value into the quadratic equation

[tex]y= \frac{-b^{} + or -\sqrt{b^{2}- 4ac } }{2a}[/tex]

y= [tex]\frac{-9.5^{} + or - \sqrt{9.5^{2}-4(3.9)(-8.2) } }{2(3.9)}[/tex]

y= [tex]\frac{-9.5^{} + or -\sqrt{90.25+127.92} }{7.8}[/tex]

y=  [tex]\frac{-9.5^{} + \sqrt{218.17} }{7.8}[/tex] or y= [tex]\frac{-9.5^{} - \sqrt{218.17} }{7.8}[/tex]

y =   [tex]\frac{-9.5 + {14.77} }{7.8}[/tex] or y= [tex]\frac{-9.5 - {14.77} }{7.8}[/tex]

y =   [tex]\frac{5.27}{7.8\\}[/tex] or  y= [tex]\frac{-24.27}{7.8}[/tex]

y= 0.67 or y= -3.11

Therefore the value of y in the quadratic equation is y= 0.67 or y= -3.11

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Answer: 4(x + y) = 4x + 4y 2(3x + 4) = 2(3x) + 2(4) = 6x + 8

Step-by-step explanation:

Answer: x = 10

Step-by-step explanation:

x + 6 + 3x = 5x - 4

First you want to group your like values together

6 +4 = 5x - 3x - x

Note that when any value crosses the = sign, The sign in front of it (+/-) changes. (e.g. -4 changes to +4 after it crosses the = sign)

Then work out your values

10 = x

Also note that x is the same as 1x. So you minus 3x from 5x to get 2x and 2x minus 1x is equal to 1x which is the same as x.

Equation is C=25n + 2500 And The total cost to produce 3000 toys is $77,500 And With $32500, a total of 1200 toys can be produced

A linear equation is what, exactly?

An algebraic equation with only a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

A) Lets have linear equation y=mx+b,

C (total cost) = y and n (number of toys) =x.

The original development cost plus the production cost of each toy would equal the overall cost of creating n toys.

Because m is multiplied by n, the number of toys, the cost to produce a toy will equal m.

Due to the fact that b is a constant and its value is unaffected by the quantity of toys, it will always equal the development cost.

Therefore, C=25n + 2500

B) by above, equation put n=1750

C= 25(3000) + 2500

C= $77,500

C) Now, again by same equation, but C instead of n.

=> 32500= 25n +2500

=> 30000=25n

=> n = 1200

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The correct answer is b that is the probability that the mean of their test scores is greater than 78 is 0.0008.

The field of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number that lies between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty. The probability is calculated on dividing the total number of possible outcomes by the number of possible ways the event could occur. Probability and odds are two distinct ideas where odds are calculated by dividing the likelihood of an event by the likelihood that it won't.

mean, μ = 73
standard deviation σ =7.8

η = 24

P (X*=78)

P( Z>3.1403)

Hence, the probability that the mean of their test scores is greater than 78 is 0.0008.

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Answer:

$12.50

Step-by-step explanation:

Look at the graph down below \/

U can also mark where the pounds is so right at 25 pounds it would be about $12~

Answer: x<-7 or x>-3

Step-by-step explanation: Tell me if its wrong ill fix it

answer:

x>-7, x>-3

step-by-step explanation:

- the first step would to be to add five to both sides: x^2+10x+21>0

- then you can solve be grouping which results in: (x+7)(x+3)>0

- the final answer will be: x>-7, x>-3

hope that helps!

The percentage of 39/100 can be written as 39% as given in the question.

A percentage is a figure or ratio stated as a fraction of 100. The abbreviations "pct.", "pct," and "pct" are also used. A% is a dimensionless (pure) number with no unit of measurement.

The word "percent" comes from the Latin per centum, which means "hundred" or "by the hundredth." The symbol for "percent" emerged gradually from the Italian expression per cento. The "cento" symbol was developed from two circles divided by a horizontal line.

As money denominations expanded in the Middle Ages, computations with a denominator of 100 were increasingly prevalent, to the point where it became normal for mathematics texts to incorporate such computations from the late 15th to the early 16th centuries

We write 39/100 in the percentage as 39%

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Answer: y=−16.309691adqrsux+16.309691adqrsu+3

Let's solve for y.

y=((((((((−3(x−1))(2))(s))(q))(u))(a))(r))(2.718282))(d)+3

This is the best I could come up with

If two quantities have same units, they will be comprised of the same basic physical quantities and hence their dimensions will be same. Same dimensions do not represent the same physical quantity. For example, The kinetic energy and the potential energy are measured in the same units but they possess different physical quantities.

The minimal set of coordinates required to specify any point within a mathematical space is known as the dimension of the space in physics and mathematics. As a result, a line has a dimension of one because a point on it can be specified by a single coordinate, such as the point at 5 on a number line.

Two quantities with the same units will be made up of the same fundamental physical quantities, resulting in identical dimensions. The same physical quantity does not have the same dimensions. For instance, although having different physical properties, kinetic energy and potential energy are measured in the same units.

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The  days needed are 5 days

The reduction in radioactive nuclei per unit of time is the rate of decay, or activity, of a sample of a radioactive substance.

The rate of change is determined by the equation dN/dt = N, where is the decay constant, assuming N is the size of a population of radioactive atoms at a given time t and dN is the amount by which the population decreases in time dt.

Exponential decay is the opposite of exponential growth; it has a constant multiplier that is less than 1 when a quantity decreases by the same amount over equal intervals of time. This quantity also referred to as the decay factor, can be written as (1-r).

From the above question

B= 7.8+10.8sin((2pi/63)t)

B=13=7.8+10.8 sin((2pi/63)t)

sin((2pi/63)t)=13/27

(2pi/63)t=sin(13/27)=0.502344 radians

t=5 days

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Kadita has 4 pigs and 26 chickens in on his farm.

Given, Kadita counted 30 pigs and chickens on the farm. Jack counted a total of 68 legs for the animals.

Let the number of pigs be, x

and the number of chickens be, y

x + y = 30

4x + 2y = 68

Now, we have to two equations,

x + y = 30

2x + y = 34

On subtracting both the equations, we get

x = 4

and y = 30 - 4

y = 26

So, Kadita has 4 pigs and 26 chickens in on his farm.

Hence, Kadita has 4 pigs and 26 chickens in on his farm.

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Using unit I, calculate the average waiting time of customers in the wash line (μ for unit I = 12 per unit).

For unit II at 15 per hour

if waiting time is the only criterion, unit II should be purchased. But before we make the final decision, we must look at the profit differential between both units.

With unit I, some customers would balk and renege because of the 5 minute wait. And, although this greatly complicates the mathematical analysis, we can gain some estimate of lost sales with unit I by increasing Wq = 5 minutes and solving for λ. This would be the effective arrival rate of customers.

Therefore, because the original estimate of λ was 10 per hour, an estimated 2 customers per hour will be lost.

Lost profit of 2 costumers per hour × 14 hours × 1/2 ($0.70 fill-up profit + $0.40 wash profit) = $15.40 per day.

Because the additional cost pf unit II over unit I is only $4 per day, the loss of $15.40 profit obviously warrants installing unit II.

The original five-minute maximum wait constraint is satisfied by unit II.

Therefore, unit III is not considered unless the arrival rate is expected to increase.

Given question is incomplete.

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The solution of the system of equations is given as follows:

The variables of the system of equations are given as follows:

Each shipping box must contain 40 items, hence:

x + y = 40.

The box weighs 400 ounces, hence, considering the weight of each item, we have that:

8x + 12y = 400.

From the first equation, we have that:

x = 40 - y.

Then the number of shower gels is obtained as follows:

8(40 - y) + 12y = 400

4y = 80

y = 80/4

y = 20.

The number of body sprays is of:

x = 40 - 20 = 20.

The problem is incomplete, hence we build and solve the equations, which will help you obtain the other information.

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Step-by-step explanation:

55.7% of fire station response times are between 4 and 6 minutes. This can be calculated using the z-score formula, which is (x-μ)/σ, where x is the value of interest (in this case, 4 and 6 minutes), μ is the mean (4.5 minutes), and σ is the standard deviation (1.2 minutes). The z-score for 4 minutes is -0.42 and the z-score for 6 minutes is 0.42. Using a standard

Answer: 19.75oz < x > 20.25oz

Step-by-step explanation: let x represent the weight of the bag of chips.

This equation states that the. weight must not exceed 20.25 but it must not be below 19.75oz.

Answer: 19.75oz < x > 20.25oz

Step-by-step explanation:

For the triangle to be true, the square of the hypothenuse is equal to sum of the square of the leg and the sum of the angles is equal to 180 degrees

The Pythagoras theorem states that if a triangle is right-angled (90 degrees), then the square of the hypotenuse is equal to the sum of the squares of the other two sides. Observe the following triangle ABC, in which we have BC² = AB² + AC2​². Here, ​​​​AB is the base, AC is the altitude (height), and BC is the hypotenuse. It is to be noted that the hypotenuse is the longest side of a right-angled triangle.

In this case, for the triangle to be true,

1. The sum of square of two sides (s) and (r) must be equal to the square of t

t² = s² + r²

2. The sum of angles in the right angle triangle must be equal to 180 degrees

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By using the vertical line test we will see that the relation that is a function is the one in the top left graph.

Here we ave the graphs of some relations, and we want to see which one of these represents a function.

To check that, we need to do the vertical line test.

The test says that if we draw a vertical line on the coordinate axis, and that line intercepts the graph of the relation more than one time, then the relation is not a function.

With that test we can see that the only relation that is a function is the one in the top left graph, is the only one that passes the vertical line test.

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In the following passage we have proven the Pythagoras' theorem.

What is Pythagoras' theorem?

The hypotenuse's square is equal to the sum of the squares of the other two sides if a triangle has a straight angle (90 degrees), according to the Pythagoras theorem. Keep in mind that BC2 = AB2 + AC2 in the triangle ABC signifies this. Base AB, height AC, and hypotenuse BC are all used in this equation. The longest side of a right-angled triangle is its hypotenuse, it should be emphasized.

Here given in the question that one side of the wall 5 feet

So as it is a rectangular bedroom it can be split into 2 right-angled triangles.

So the hypotenuse of the triangle is 13 feet

Now using the Pythagoras theorem we can find out the length of the other wall

b²=h²-p²

AB² + BC² = AD × AC + CD × AC

AB² + BC² = AC (AD + CD)

Since, AD + CD = AC

Therefore, AC² = AB² + BC²

So we have p² + b² = h².

Hence, we prove the Pythagoras theorem using two triangle.

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Answer: I calculated the value after 5 years to be 5,734.40 or 5,734

Step-by-step explanation:

t-distribution in the bank or restaurant to get the customer arrival time is a b) normal distribution.

The t-distribution is defined by degrees of freedom. These are related to sample size. The t distribution is most useful when the sample size is small, the population standard deviation is unknown, or both. As the sample size increases, the t-distribution will become more normal.

The t distribution is the continuous probability distribution of z scores when the estimated standard deviation is used in the denominator instead of the true standard deviation. The purpose of the t-test is to compare a specific characteristic that describes the groups, and the means will be representative of the populations that are normally distributed.

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The probability that they each win six games is 0.225.  

Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.

To find : The probability that they each win six games?

Applying binomial distribution,

Here n=12 and p=0.5

(a) They each win seven games. P =

[tex]P(X=k)=\frac{n !}{k !(n-k) !} \times p^k \times(1-p)^{n-k}[/tex]

The probability that they each win six games is k=6.

(b) The human chess champion wins eleven games. P =

[tex]\begin{aligned}& P(X=6)=\frac{12 !}{6 !(12-6) !} \times 0.5^6 \times(1-0.5)^{12-6} \\& P(X=6)=\frac{12 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 !}{6 \times 5 \times 4 \times 3 \times 2 \times 6 !} \times 0.015625 \times 0.015625 \\& P(X=6)=11 \times 2 \times 3 \times 2 \times 7 \times 0.015625 \times 0.015625 \\& P(X=6)=0.225\end{aligned}[/tex]

(c) The computer wins at least eleven games. P =

Therefore, The probability that they each win six games is 0.225.

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The percent decrease in the number of cable TV subscribers from 2006 to 2013 is 17.92%.

In the given question, in 2006, 68.1 million people subscribed to cable television. in 2013, that number had decreased to 57.1 million.

We have to find the percent decrease in the number of cable TV subscribers from 2006 to 2013.

The number of subscriber in 2006 is 68.1 million.

The number of subscriber in 2013 is 57.1 million.

Then the percent decrease in the number of cable tv subscribers from 2006 to 2013 is

Percent decrease in the number of cable TV subscribers = (subscriber in 2006 - subscriber in 2006)/subscriber in 2006 *100

Percent decrease in the number of cable TV subscribers = (61.4-50.4)/61.4 *100

Percent decrease in the number of cable TV subscribers = 11/61.4 *100

Percent decrease in the number of cable TV subscribers = 0.1792*100

Percent decrease in the number of cable TV subscribers = 17.92%

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Answer:

y ≈ 16.12452

Step-by-step explanation:

Pythagorean theorem = a² + b² = c²

In this example, 14 = a, 8 = b, and y = c

14² = 196, 8² = 64

196 + 64 = 260 = y²

y² = [tex]\sqrt{260}[/tex] ≈ 16.12452