What does a 3 1 phenotype mean?.

Answers

Answer 1

3:1 phenotype ratio means that three offspring will have a dominant phonotype. Then there is one offspring that will have a recessive genotype, and thus the recessive phenotype.

A 3:1 ratio is the relative fraction of phenotypes among progeny (offspring) results following mating between two heterozygotes, where each parent possesses one dominant allele and one recessive allele at the genetic locus in question.

A phenotypic ratio is a quantitative relation between phenotypes showing the number of times the frequency of one phenotype correlates with another.

A monohybrid cross results in a phenotypic ratio of 3:1.

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Related Questions

URGENT
What is the slope of the line that passes through the points (-3, 3), and (1, -5)?

Answers

The slope of the line that passes through the points (-3, 3), and (1, -5) is -2.

Steps to finding slope:

In the first point, use the symbols x₁, and  y1 to indicate the x and y coordinates, respectively.In the second point, write "x₂ " for the x coordinate and " y₂" for the y coordinate.Find the differences between y₂ and y₁ and x₂  and x1.To calculate the slope, divide the difference between the y- and x-coordinates (m). For example, m =  (y₂ - y₁) / (x₂  - x₁,).

The formula for finding slope from two points (x₁, y₁) and (x₂, y₂) on a line is m = (y₂ - y₁) / (x₂ - x₁). Here,

m = slope of the line

x₁ = the x-coordinate of the first point

y₁ = the y-coordinate of the first point

x₂ = the x-coordinate of the second point

y₂ = the x-coordinate of the second point

Here, the given points are  (-3, 3), and (1, -5):

y₂ = -5, y₁ =3 , x₂ = 1, x₁ = -3

Substitute the values,

m = (y₂ - y₁) / (x₂ - x₁)

m = (-5 - 3) / (1 - (-3))

= -8 / (1+3)

= -8 / 4

m = -2

Hence, the slope of the line that passes through the points (-3, 3), and (1, -5) is -2.

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In a survey, 2.25 times
as many students
preferred pizza to hot
dogs. If 44 students
preferred hot dogs, how
many preferred pizza?

Answers

There are 99 students preferred pizza.

The students preferred pizza can be calculated as follows.

First, let’s make the equation.

Students preferred pizza is symbolized as P

Students preferred hotdogs is symbolized as H

P = 2.25H

Second, let’s put the number of student preferred hotdogs.

P= 2.25 x 44

= 99

Hence, there are 99 students preferred pizza.

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How many prime multiples of 8 are there?.

Answers

The prime multiples of 8 are number 2 and 4

The multiples of 8 are 1, 2, 4, 8.

The prime numbers are the numbers who can be divided only by 1 and itselves.

First we need the multiplies of 8

And then find their factors, if the number of factors is exactly two( that is 1 and the number itself) then it is prime.

The factors of 1 is 1

The factors of 2 are 1 and 2

The factors of 4 are 1, 2and 4

The factors of 8 are 1, 2, 4 and 8

The numbers which have only two factors are prime.

2 and 4 are prime multiples of 8

Therefore, the number 2 and 4 can be said as the prime multiples of 8

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a solution that is now widely used to allow two parties to secretly exchange keys is (fill the blank) protocol

Answers

By using the concept of cryptography, it can be concluded that

A solution that is now widely used to allow two parties to secretly exchange keys is Deffie - Hellman protocol

What is cryptography?

Cryptography refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based calculations called algorithms, to transform messages in ways that are hard to decipher.

This is a concept of Cryptography

Diffie–Hellman key exchange establishes a shared secret between two parties which will be used for secret communication for exchanging data over a public network.

A solution that is now widely used to allow two parties to secretly exchange keys is Diffie - Hellman protocol

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What i the equation of the line that pae through the point (-3,-6) and ha a lope of -2/3?

Answers

The equation of the line in slope intercept form is y = 4/3x - 10/3.

What is a line in slope-intercept?

The equation of a line with a slope of m and a y-intercept of (0, b) is y = mx + b. To graph a slope-intercept line, do the following: On the coordinate plane, draw the y-intercept. Find another point on the line using the slope.

We have,

the line that passes through  (-3,-6) and slope m = -2/3.

Now using the slope and the point (-3, -6) the y-intercept is

m = -2/3.

y = mx + b

-6 = -2/3(-3) + b

6 = 6/3 + b

By further calculation,

b = 6 - 2

b = 4

By writing the equation in slope intercept form

y = mx + b

y = -2/3x - 4

Therefore, the equation of the line in slope intercept form is y = -2/3x - 4.

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2x + 8 = 15 i do not know what to do

Answers

Okay here is step by step.

2x + 8 = 15

2x = 15 - 8

2x = 7

7/2 = 3.5

3.5 = x

Because we use the laws of substitution switching the numbers to the other side, which is allowed because they still mean the same thing.

Hope this helps.

I could not say that any better!

Convert the given polar equation to a Cartesian equation. (Use the following as necessary: x and y.)
r = 4 / sin(θ) + 5 cos(θ)

Answers

The Cartesian equation will be;

⇒ x² + y² - 4x - 5y = 0

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The polar equation will be;

⇒ r = 4 sin(θ) + 5 cos(θ)

Now,

Substitute r = √x² + y² , r sin θ = x, r cos θ = y in above equation, we get;

The polar equation will be;

⇒ r = 4 sin(θ) + 5 cos(θ)

⇒ r² = 4 r sin(θ) + 5 r cos(θ)

⇒ x² + y² = 4x + 5y

⇒ x² + y² - 4x - 5y = 0

Thus, The Cartesian equation will be;

⇒ x² + y² - 4x - 5y = 0

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Linda can sell 12 magazine subscriptions per week and makes $\$ 4.00$ for each magazine subscription she sells. Obviously this means that Linda will make (12) $(\$ 4.00)=$ $\$ 48.00$ per week from magazine subscriptions. Explain this result mathematically, using mathematical notation and the chain rule.

Answers

The case mentioned above is resolved via multiplication.

Given information,

Linda can sell 12 magazine subscriptions per week and makes 4$ for each magazine subscription she sells. This means that Linda will make 48$ per week from magazine subscriptions.

To show it mathematically,

1 week ⇒ 12 magazines

Each of them costs $4;

⇒ 12 * 4$ = 48$ per week

By using multiplication we solve the above-given case.

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if our population were all professional football players, would the above data be a sample of weights or the population of weights? why? the above data would be a population of weights because they represent all of the football players. the above data would be a sample of weights because they represent a subset of the population of all football players. the above data would be a sample of weights because they represent all of the players from one year. the above data would be a population of weights because they represent all of the players on a team.

Answers

By using the concept of Population and sample, it can be concluded that

The above data would be a population of weights because they represent all of the football players.

The first option is correct

What is population and sample?

Population is the set where all item are the members of the sets and from where the set of items can be drawn for statistical study

Subset of population is called sample

Here the data would be a population of weight because they represent all of the football players .

This is not a subset. So the question of sample will not come into existance here

So the first option is the correct option

The above data would be a population of weights because they represent all of the football players.

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Complete Question

The statistical data has been given below

Following are the published weights (in pounds) of all of the team members of Football Team A from a previous year. 176; 202; 212; 212; 232; 205; 185; 185; 178; 210; 206; 212; 184; 174; 185; 242; 188; 212; 215; 247; 241; 223; 220; 260; 245; 259; 278; 270; 280; 295; 275; 285; 290; 272; 273; 280; 285; 286; 200; 215; 185; 230; 250; 241; 190; 260; 250; 302; 265; 290; 276; 228; 265

Which ordered pair makes both inequalities true y >- 3 3 y 2x 2?.

Answers

None of these ordered pairs work. Each is false for at least one of the 2 equations.

What is inequality?

An inequality in mathematics depicts the connection between two values in an algebraic statement that are not equal. One of the two variables on the two sides of the inequality may be greater than, greater than or equal to, less than, or less than or equal to another value, according to inequality signals.

(1, 0) is false for equation 1.

y > -3x + 3

0 > -3(1) + 3

0 > -3 + 3

0 > 0 (FALSE)

(-1, 1) is false for equation 1.

y > -3x + 3

1 > -3(-1) + 3

1 > 3 + 3

1 > 6 (FALSE)

(2, 2) is false for equation 2.

y > 2x - 2

2 > 2(2) - 2

2 > 4 - 2

2 > 2 (FALSE)

And (0, 3) is false for equation 1.

y > -3x + 3

3 > -3(0) + 3

3 > 3 (FALSE)

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Question:

Which ordered pair makes both inequalities true? y > –3x + 3 y > 2x – 2 (1,0) (–1,1) (2,2) (0,3)

Demi was given a riddle to solve: the sum of two consecutive positive integers is 71. find the two positive integers.

Answers

The required number of two positive consecutive integers are 35 and 36.

Consecutive integers are the whole numbers that follow each other without gaps. consecutive  integers are even, and odd integers.

consecutive even integers that differ from previous integer by difference of 2 and each integer is divisible by 2.

consecutive odd integers that differ from previous integer by difference of 2 and each integer is an odd number.

 

let the first positive integer be x

Therefore the second positive integer be (x+1)

Given that the sum of two consecutive positive integer is 71:

x+(x+1)=71

open the bracket

x+x+1=71

Add the similar terms

2x+1=71

2x=71-1

2x=70

x=35

Finding the second integer Substituate the value of x=35 in (x+1):

x+1=35+1

x+1=36

The required number of two positive consecutive integers are 35 and 36.

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what is the maximum number of roads that can be closed while still making sure that for any two buildings in the city, there still exist roads that people can use to travel from one to the other?graph theory math stack math.stackexchange

Answers

Yes, you can still get from one city to another even if a road is closed for maintenance.

How is it feasible to get from one city to another if one road is closed for repairs?

It is sufficient to show that even with route AB closed, we can still get from point A to point B. In the connected component that contains vertex A, all the vertices would be even if this weren't the case.

When a connected component has exactly one odd vertex, the "A graph must have an even number of odd vertices" condition is violated.

Therefore, even if one of the roads is closed for maintenance, it is still possible to go from Point A to Point B by another road or city.

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The given question is improper. Proper question is given below;

in a certain country, 40 roads lead out of each city. when all roads are open, it is possible to travel from any city to any other. each road leads from one city to another; there are no dead end roads. if one road is closed for repairs, is it still necessarily possible to travel from any city to any other? prove your answer.

How would you describe a chromatid and a sister chromatid?.

Answers

One of the two identical halves of a chromosome that has been replicated in preparation for cell division is referred to as a chromatid. The two "sister" chromatids are united at the centromere, a restricted portion.

A chromatid is an individual of two together alike halves of a deoxyribonucleic acid that has been copied imminent for the formation of cells by dividing. The two “twinchromatids are linked at an inhibited domain of the chromosome named the centromere. The establishment of chromatids is a main become involved in cellular division guaranteeing that each new girl cell has the correct complement of DNA at the end of the formation of cells by dividing.

Cell division is the process by which a person's container divides into two woman cells. Cell division frequently happens as few the best container phase at which point the cell evolves and replicates allure deoxyribonucleic acid before separating.

There are two types of cell division: the formation of cells by dividing and the formation of cells by dividing. Most of the time when nations are concerned with “cellular division,” they mean the formation of cells by dividing, the process of making new carcass containers.

Sister chromatids differ from chromatids in that sister chromatids are two copies of a single chromosome and are products of the S phase of the cell cycle. The centromere links sister chromatids together.

During the early stages of cell division, chromatids are produced. Non-sister chromatids appear during metaphase I of meiosis, whereas sister chromatids replicate from the same chromosome.

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maria rolls a pair of dice. what is the probability that she obtains a sum that is either a multiple of 3 or a multiple of 4?

Answers

When a pair of dice rolled, the probability that the sum is either a multiple of 3 or a multiple of 4 is 5/9.

If an event A and an event B is independent to each other, then the probability A or B is:

P(A or B) = P(A∪B) = P(A) + P(B)

In the given problem:

The possible outcomes or the sample space of rolling a pair of dice = 6 x 6 = 36.

The maximum sum is 6 + 6 = 12

Multiple 3 or multiple 4 that ≤ 12 is {3, 4, 6, 8, 9, 12}

Possible outcomes for Sum = 3 are 1 + 2 and 2 + 1

Hence,

P(3) = 2/36

Possible outcomes for Sum = 4 are 1 + 3, 3 + 1, 2 + 2

Hence,

P(4) = 3/36

For Sum = 8,  2 + 6, 6 + 2, 3 + 5, 5 + 3, 4 + 4

Hence,

P(8) = 5/36

Similarly,

P(6) = 5/36

P(9) = 4/36

P(12) = 1/36

Therefore,

P(Multiple 3 or multiple 4) = P(3, 4, 6, 8, 9, 12)

                                          = 2/36+3/36+5/36+5/36+4/36+1/36

                                          = 20/36

                                          = 5/9

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three less than eight times a number is at
least 15

Answers

Answer:

x >= 2.25

x is greater than or equal to 2.25

Step-by-step explanation:

8x - 3 >= 15

add 3 to both sides

8x >= 18

divide 8 from both sides

x >= 2.25

Answer:

x≥6

Step-by-step explanation:

8x

3 less goes to 8x-3

then there is at least 15 which changes to

8x-3≥15

Then solve for x:

add 3 to the sides--> 3x≥15+3

3x≥18

Divide both of the sides by 3

x≥6

Hope this helped!

the differential equation has as a solution. applying reduction order we set . then (using the prime notation for the derivatives) u'x^4 4ux^3 u''x^4 8u'x^3 12ux^2 so, plugging into the left side of the differential equation, and reducing, we get u''x^6 u'x^5 the reduced form has a common factor of which we can divide out of the equation so that we have . since this equation does not have any u terms in it we can make the substitution giving us the first order linear equation . this equation has integrating factor x for x > 0. if we use

Answers

The solution of the given differential equation u'x^4 4ux^3 u''x^4 8u'x^3 12ux^2 be,

u''x^6 u'x^5

Given, a differential equation

u'x^4 4ux^3 u''x^4 8u'x^3 12ux^2

we have to find the solution of the given differential equation

on integrating both the sides, we get

u''x^6 u'x^5

So, we get u''x^6 u'x^5 as a solution of the given differential equation on solving by the reduction method.

Hence, the solution of the given differential equation u'x^4 4ux^3 u''x^4 8u'x^3 12ux^2 be,

u''x^6 u'x^5

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a rectangular tank that is 864 ft^3with a square base and open top is to be constructed of sheet steel of a given thickness. find the dimensions of the tank with minimum weight.

Answers

The minimum height is 6ft and length is 12 ft.

Let  [tex]l[/tex] be side of square base and h be the height.

we know  [tex]l^{2}[/tex] × h  = 864

We have minimize

[tex]l^{2}[/tex] + 4 × [tex]lh[/tex]

=  [tex]l^{2}[/tex] + 4 × 864/l

diffrentitate and equate to 0

2[tex]l[/tex] - 4 × 964/ [tex]l^{2}[/tex]  = 0

[tex]l[/tex] = [tex]\sqrt[3]{2 * 864}[/tex] = 12

so h = 6

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the following are temperatures for a week in august: 94, 93, 98, 101, 98, 96, and 93. by how much could the highest temperature increase without changing the median?

Answers

The highest temperature can be increased by any amount without changing the median.

Here, we are given the following data set-

94, 93, 98, 101, 98, 96, and 93

To find the median of the given numbers, we first need to arrange the numbers in an ascending or descending order. Let us arrange them in an ascending order as follows-

93, 93, 94, 96, 98, 98, 101

Now, the median of the middlemost value of a data set.

Here, we have 7 values, thus, the middlemost value will be given by the 4th term in the series.

As we can see from above, the fourth value is 96. Hence, 96 is the median of the data set.

Now, as we can see the highest temperature value is 101. We can increase it by any amount and it will still be the last term in the series, and the median will remain the same middle value, that is, 96.

Thus, the highest temperature can be increased by any amount without changing the median.

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An artist used 666 tubes of red paint, 222 tubes of yellow paint, 131313 tubes of white paint, and 999 tubes of blue paint for a mural. What is the ratio of tubes of blue paint to all of the tubes of paint used?.

Answers

The ratio of tubes of blue paint to all of the tubes of paint used was 75/10000 = 0.0075.

What is ratio?

A ratio is a comparison of two or more numbers that indicates their sizes in relation to each other.

A ratio compares two quantities by division, with the dividend or number being divided termed the antecedent and the divisor or number that is dividing termed the consequent.

Given,

          red paint= 666 tubes

          yellow paint = 222 tubes

          white paint = 131313 tubes

          blue paint= 999 tubes  

Total paint tubes = 666+222+131313+999 = 133200

The ratio of blue paint tubes to all of the paint tubes = 999/133200

                                                                                        = 75/10000.

The ratio of tubes of blue paint to all of the tubes of paint used = 75/10000 = 0.0075.

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A line that includes the points (0, – 3) and (g,3) has a gradient of 6/ 7 . What is the value of g?

Answers

The required value of g would be 7.

What is the slope of the line?

The slope of a line is defined as the gradient of the line.

We have been given that a line that includes the points (0, – 3) and (g, 3) has a gradient of 6/ 7.

The gradient of line = (3 - (-3))/(g - 0)

⇒ 6/7 = (3 + 3)/g

⇒ 6/7 = 6/g

Apply the cross-multiplication operation,

⇒ 6g = 42

⇒ g = 42/6

Apply the division operation,

⇒ g = 7

Therefore, the required value of g would be 7.

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determine the ending inventory using the periodic inventory system and the lifo inventory method, assuming that 16 units were sold at a sales price of $16.

Answers

The Gross profit is $178, in the ending inventory using the periodic inventory.

What is profit?

To determine how much profit has been generated in a transaction, apply the profit formula. A product is said to have made a profit when its selling price is higher than its cost. The profit formula is useful for figuring out how much money is made when a certain product is sold, often in a business, or for figuring out how much money is made in any financial transaction. In situations where the selling price exceeds the cost price, profit can be determined. The following is the formula to calculate the profit:

Selling price minus cost price is referred to as profit (C.P.)

the last-in, first-out principle. According to LIFO, expenses are deducted starting with the costs of the most recent purchases of goods.

The most recent purchases, which were made on January 18 and January 12, resulted in 16 units.

Cost of goods sold = (7*6) + (9*4) = 42 + 36 = $78

Sales = 16*16 = $256

Gross profit = Sales - Cost of goods sold = 256 - 78 = $178

Hence, the Gross profit is $178

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lashonda swam 5 kilometers against the current in the same amount of time it took her to swim 15 kilometers with the current. the rate of the current was 2 kilometers per hour. how fast would lashonda swim if there were no current?

Answers

The correct answer is 4 km per hour Lashonda would swim if there were no current.

Here, we'll suppose that Lashonda is moving at x km/hr. in the absence of any current.

Speed of the current is 2 km/hr.

Distance swim against current is 5km

Time taken to swim against current is  5 ÷ (x - 2)

Distance swim with current is 15km

Time is taken to swim with current is 15 ÷ (x + 2)

Now,

Given that  if the time taken in both instances are the same, So, the equation will be 5 ÷ (x - 2) = 15 ÷ (x + 2)

After solving for x we will be solving;

⇒ 5 ÷ (x + 2) = 15 ÷ (x - 2)

⇒ 5x + 10 = 15x - 30

⇒ 10 + 30 = 15x - 5x

⇒ 40 = 10x

⇒ x= 40 ÷ 10 = 4 km per hour

Hence, 4 km per hour Lashonda would swim if there were no current.

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lacy draws a diamond from a standard deck of 52 cards. without replacing the first card, she then proceeds to draw a second card and gets a spade. are these events independent? input yes or no: determine the probability of drawing a diamond and then a spade without replacement. write your answer in decimal form, rounded to four decimal places as needed. answer

Answers

The first two events are not independent, with a probability P = 0.0637

The second pair of events are independent, and the probability is P = 0.0625

How is probability obtained?

First, the probability that any card will be picked at random will be the same for all cards in the deck, or p = 1/52.

A) If Lacy draws a diamond card first, there are now fewer cards in the deck (now there are 51 cards on the deck). As a result, there is now a higher chance than before of drawing a spade. In that case, the first two events are not random.

The Probability of getting the first diamond card is:

P = 13/52 (because there are 13 diamonds and a total of 52 cards).

The probability of drawing a spade after is:

Q = (13/51)

The joint probability is the product of the individual probabilities, this will give:p = P×Q = (13/52)×(13/51) = 0.0637

B) Now we replace the first card, then the events are now independent, as the probability of drawing a spade after the first draw is not changed (because the total number of cards will be 52).

The probability of drawing a diamond is:

P = 13/52

Now we replace the diamond card drawn.

The probability of drawing a spade will be:

Q = 13/52

The joint probability is:

p = P×Q = (13/52)² = 0.0625

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Pls help super hard question

Answers

I legit did the same thing here

he got the same answer i did

Step-by-step explanation:

when running-up an engine and testing a newly installed hydromatic propeller, it is necessary to exercise the propeller by moving the governor control through its entire travel several times to

Answers

When testing a newly installed hydromatic propeller, the propeller is exercised by moving the governor control through its entire travel several times to free the dome of any entrapped air.

A hydromatic propeller uses a double-acting governor control utilizing oil pressure on both sides of the propeller piston. It was introduced in the 1930s as a substantial advancement over the counterweight, controllable pitch propeller. The application of oil pressure to both sides of the actuating piston provided improved capacity and the potential of feathering or unfeathering by a single control knob. It was designed for larger blades, faster rate of pitch change, and wider range of pitch control. A hydromatic propeller should be checked before, during, and after the operation of the engine. A newly installed hydromatic propeller should be checked by moving the governor along its travel numerous times to ensure that no air is entrapped in the dome.

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A boat leaves a port and sails 55km due west and then 30km due north and

arrives at an oil rig. What is the bearing of the oil rig from the port?

Answers

The bearing of the oil rig from the port is 28.61° west by north.

What are the trigonometric identities?

All trigonometric identities are based on the six trigonometric ratios. Sine, cosine, tangent, cosecant, secant, and cotangent are the functions. All of these trigonometric ratios are defined using the sides of a right triangle, specifically the adjacent, opposite, and hypotenuse sides.

We have,

First, the boat travels 55km toward the west,

and then it travels 30km toward the north.

So the boat forms the right triangles, see in the image attached,

tanθ = 33/55

θ = tan⁻¹ (33/55)

θ = 28.61°

28.61° west by north.

Hence, the bearing of the oil rig from the port is 28.61° west by north.

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Write the equation of the line in fully simplified slope-intercept form. pls help i’m failing this class

Answers

Answer:
y=-3/4x+3

Explanation:
y-intercept is (0,3) on the graph

Determine slope by rise/run —> -3/4
So y=-3/4x+3

Answer:

y=-3/4x+3

Step-by-step explanation:

(See picture)

In the following exercises, find the average value of the function over the given rectaf (x,y) = arctan (xy), R = [0,1] x [0,1]

Answers

The average value of the function over the given rectaf (x,y) = arctan (xy), R = [0,1] x [0,1] is 1/4( π - log4) - π²/48.

Define function.

A function is a relationship between a number of inputs where each input has exactly one output, according to one definition. f is typically used to represent a function (x).

Given,

Function,

Region = [0,1] × [0,1]

Lˣ = 1/area of region ∫¹₀ ∫₀¹ f(xy) dx dy

Differentiating,

= 1/1 ∫₀¹ tan⁻¹ xy dxdy

= ∫¹₀ [ ∫¹₀ tan⁻¹(xy) dx ] dy

= ∫₀¹ [{x tan⁻¹ (xy) ¹₀ - 1/2 ∫ 2(x+y)/ 1 + xy₂ dx] dy

= ∫¹₀ tan⁻¹ y dy - ¹₀ log(y² + 1) 2y dy

= [ytan⁻¹ y - 1/2 log( y² + 1) ∫¹₀ - [1/4 log (y² +1) log y² +1/4log(y²+1)

= π/4 - 1/2 log 2 -π²/48

L = 1/4( π - log4) - π²/48

The average value of the function over the given rectaf (x,y) = arctan (xy), R = [0,1] x [0,1] is 1/4( π - log4) - π²/48.

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

Answers

The function has its graph to be represented by graph (a)

Table:

x  -2       -1      0     1      2

y  16/9   4/3   1     3/4   9/16

How to plot the graph of the function

The equation that represents the function is given as

f(x) = (3/4)ˣ

Next, we extract the x values from the given table

These x values are represented as

x = -2, -1, 0, 1 and 2

Solving further, we need to calculate the function at the x values

So, we have the following computations

f(-2) = (3/4)⁻² = 16/9

f(-1) = (3/4)⁻¹ = 4/3

f(0) = (3/4)⁰ = 1

f(1) = (3/4)¹ = 3/4

f(2) = (3/4)² = 9/16

When these values are presented on a table, we have:

x  -2       -1      0     1      2

y  16/9   4/3   1     3/4   9/16

Some of the points on the table are

(0, 1), (1. 3/4) and (2. 9/16)

The graph that passes through these points is graph (a)

So, the

Hence, the graph of the function is graph (a)

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a local cable company claims that the proportion of people who have internet access is less than 63%. to test this claim, a random sample of 800 people is taken and its determined that 478 people have internet access. the following is the setup for this hypothesis test: h0:p

Answers

The p-value for this hypothesis test for a proportion p is 0.039.

What is a random sample?

In statistics, a simple random sample is a subset of individuals chosen from a larger set in which a subset of individuals is chosen randomly, all with the same probability. It is a process of selecting a sample in a random way.

For the null hypothesis,

H0 : p = 0.63

For the alternative hypothesis,

Ha : p < 0.63

This is a left-tailed test

Considering the population proportion, probability of success, p = 0.63

q = probability of failure = 1 - p

q = 1 - 0.63 = 0.37

Considering the sample,

Sample proportion, P = x/n

Where,

x = number of success = 478

n = number of samples = 800

P = 478/800 = 0.6

We would determine the test statistic which is the z score

z = (P - p)/√pq/n

z = (0.6 - 0.63)/√(0.63 × 0.37)/800 = - 1.76

From the normal distribution table, the area below the test z score in the left tail is 0.039

Thus,

p = 0.039

Hence, the p-value for this hypothesis test for a proportion p is 0.039.

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