A veterans office recorded one select the correct answer from each drop down menu particular week that they had 50 patients the table shows the record numbers of dogs use the given data to complete the sample proportion and confidence intervals for the situation 

Answers

Answer 1

the confidence intervals for the situation is 46%

What is confidence interval?

A confidence interval (CI) for an unknown parameter in frequentist statistics is a range of estimations. The most popular confidence level is 95%, but other levels, such 90% or 99%, are occasionally used for computing confidence intervals. The fraction of related CIs over the long run that actually contain the parameter's true value is what is meant by the confidence level. The degree of confidence, sample size, and sample variability are all factors that might affect the width of the CI. A larger sample would result in a narrower confidence interval if all other factors remained constant. A wider confidence interval would also be required by a higher confidence level and would be produced by a sample with more variability.

the particular week that they had 50 patients the table shows the record numbers of dogs use the given data to complete the sample proportion.

Let's calculate the percentage or proportion of patients that were dogs:

p = (7 + 4 + 5 + 5 + 2)/50 = 23/50 = 0.46

Hence the confidence intervals for the situation is 46%

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Related Questions

8. Use long division to find (2x³ - 7x² + 7x - 2) /(x - 2). Show your work

Answers

Answer:

2x² - 3x + 1

Step-by-step explanation:

x - 2 | 2x³ - 7x² + 7x - 2

    --   2x³ - 4x²                  <== 2x²

                - 3x² + 7x - 2

          --    - 3x² + 6x          <== -3x

                              x - 2

                     --       x - 2      <==  1    

                                   0 |  2x² - 3x + 1

Thus, the quotient is 2x² - 3x + 1

                 

Answer:

Hello! :)

Answer:

Solved using long polynomial division: [tex]2x^{2} -3x + 1[/tex]

Solved using polynomial division: (2x-1)(x-1)

Sorry I was in a hurry and didn't type out the whole step-by-step.


what do you notice about the angles B and E? What do you notice about angle C?

Answers

B and E are both right angles.

C is an acute angle.

B and E are both 90⁰ as they are marked with a square on the angle. C is acute as it can not be larger than 90⁰ as angles in a triangle add up to 180⁰.

B and E are corresponding angles
The both are equal
They both are 90 degrees

Use the definition of Ax to write the vector equation as a matrix equation. z_1 [5 0] + z_2 [5 2] + z_3 [-3 3] + z_4 [4 -2] = [-3 19] The vector equation written as a matrix equation is

Answers

the matrix equation for the given vector equation is:

[tex][ [5 0] [5 2] [-3 3] [4 -2] ] [z_1, z_2, z_3, z_4]^T = [-3 19]^T[/tex]

What is matrix equation?

An equation of the form Av = b, in which A is a m by n matrix known as the coefficient matrix, v is a n by 1 column vector, and b is a m by 1 column vector, is known as a matrix equation (also known as a matrix-vector equation).

According to question:

Given the vector equation:

[tex]z_1 [5 0] + z_2 [5 2] + z_3 [-3 3] + z_4 [4 -2] = [-3 19][/tex]

We can write this as a matrix equation by defining a matrix A and a vector x, such that:

A = [ [5 0]

[5 2]

[-3 3]

[4 -2] ]

[tex]x = [z_1, z_2, z_3, z_4]^T[/tex]

The vector equation then becomes:

[tex]Ax = [-3 19]^T[/tex]

So the matrix equation for the given vector equation is:

[tex][ [5 0] [5 2] [-3 3] [4 -2] ] [z_1, z_2, z_3, z_4]^T = [-3 19]^T[/tex]

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You flip a fair coin 3 times, and get a different amount of money depending on how many heads you get. • For O heads, you get $0. • For 1 head, you get $2. • For 2 heads, you get $4. Another piece of information is also flashing at you as you stand before the lights: • Overall, across all possible outcomes your expected winnings from the game are $6. 1. (3 points) How much do you get paid if the coin comes up heads 3 times? 2. (3 points) Write down a complete expression for the cumulative probability function for your winnings from the game.

Answers

The amount of money you get paid if  the coin comes up heads 3 times is $12.

You flip a coin 3 times,

If you get o heads then $0

If you get 1 heads then $2

If you get 2 heads then $ 4

So if you toss the coin 3 times and 3 heads come up then

1 heads = $2

2 heads = $ 4

3 heads = $ 6

So , amount of money you get paid if  the coin comes up heads 3 times is $12.

The probability function that X will have a value less than or equal to x is known as the Cumulative Distribution Function (CDF) of a real-valued random variable X, assessed at x. It is employed to describe a table's random variables' probability distribution. And with this data, we can quickly make a CDF graphic on an Excel spreadsheet.

So, CDF determines the cumulative probability for the specified value.

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i need help with problem b thanks this is homework problem

Answers

The p-value for the test is  0.0062

What is the p-value of the test

To determine the p-value for Kara's hypothesis test, we need to calculate the test statistic and then find its corresponding p-value.

Let's start by calculating the sample mean and standard deviation of the given data:

Sample mean x = (46+43+41+48+51+51+52+42+51+54+40+53+46+46+46+39+47)/17 = 46.529

Sample standard deviation (s) = 4.547

We can use these values to calculate the t-statistic for the one-sample t-test:

t = (x - μ) / (s / sqrt(n))

where μ is the hypothesized population mean (50 hours), n is the sample size (17).

t = (46.529 - 50) / (4.547 / sqrt(17)) = -3.15

Using a t-distribution table with 16 degrees of freedom (n-1), we find that the p-value for a two-tailed test with a t-statistic of -3.15 is approximately  0.0062.

Therefore, the p-value for this hypothesis test is  0.0062

Since the p-value is less than the commonly used alpha level of 0.05, we reject the null hypothesis and conclude that there is evidence to suggest that the true mean work week for engineers in start-up companies is less than 50 hours.

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does anybody know the anwser to 47,61 : 15,87 =
whoever helps wil be crownd as brainliest​

Answers

The quotient of 47.61 and 15.87 has the result given as follows:

47,61 : 15,87 = 3.

How to obtain the result of the operation?

The operation for this problem is defined as follows:

47,61 : 15,87 =

The : symbol means that the operation is a division, that is, we must obtain the quotient of dividing 47.61 by 15.87.

Using a calculator, we have that 47.61 is three times 15.87, hence the result of the quotient is given as follows:

47,61 : 15,87 = 3.

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100 POINTS WILL PLEASEEEEEE HELP

Answers

Answer:

b

Step-by-step explanation:

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

2. Calculate the volume of the prism.
(Hint: 2 inches is just half the length of
the triangular base. What is the length of
the base?)

Answers

Given the height (h) of the prism is 18 inches, we can calculate the volume of the prism as follows:

V = A * h
V = (4 * sqrt(3)) * 18
V = 72 * sqrt(3)

So, the volume of the prism is approximately 157.73 cubic inches.

Dan went to a craft fair where he spent a total of 16.00 he spent 6.00 on admission and went to 8 tables he spent the same ammount of money (m) at each table the following number sentence can be used to find how much money he spent at each table

Answers

Dan spent 1.25 at each table.

The formula used to solve this problem is m = 16 - 6/8. The calculation is as follows: 16 is the total amount of money Dan spent, 6 is the admission fee, and 8 is the number of tables. The equation is set up to find the amount of money Dan spent at each table. Taking the total amount of money spent, 16, and subtracting the admission fee, 6, leaves us with 10. We then divide this amount, 10, by the number of tables, 8, to find the amount of money spent at each table, which is 1.25. Therefore, Dan spent 1.25 at each table.

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7x - y = 7
x + 2y = 6

Answers

Answer is ( 1 1/3, 2 1/3 )

Graph attached

You can also solve by substitution methods

Substitution:

Change the 2nd equation so x is on one side by subtracting 2y from both sides

Now we have

7x -y = 7
x = -2y + 6

Substitute the value of x in the 2nd equation for x in the first equation

7 (-2y + 6) - y = 7
Multiply

-14y + 42 -y = 7
Simplify

-15y + 42 = 7
Subtract 42 from both sides

-15y + 42 - 42 = 7 - 42
Simplify

-15y = -35

Divide both sides by -15

-15/-15y = -35/-15

y = 7/3 or 2 1/3

Substitute value of y into one equation to solve for x

7x - 7/3 = 7
Add 7/3 to both sides to isolate variable

7x -7/3 + 7/3 = 7 + 7/3
Simplify

7x = 28/3
Divide both sides by 7 to solve for x
Remember when you divide fractions you flip the divisor and multiply

7/7 x = 28/3 * 1/7

x = 4/3 or 1 1/3

Find the center of the circle that can be circumscribed about the triangle.

A - (0, 0)
B - (0, 1)
C - (-1, 3)
D - (2, 0)

Answers

Answer:

A.  (0, 0)

Step-by-step explanation:

To find the center of the circle that can be circumscribed about the given triangle, find the triangle's circumcenter.

A circumcenter of a triangle is:

The center of a circle that passes through each vertex of a triangle.The point at which the perpendicular bisectors of the sides of the triangle intersect.

A perpendicular bisector is a line that divides another line segment into two equal parts at a right angle.

Add perpendicular bisectors to the sides of the triangle (shown in green on the attached diagram).

The point of intersection of the perpendicular bisectors is (0, 0).

Therefore, the center of the circle that can be circumscribed about the triangle is (0, 0).

Which equation has the roots a = 1 and = -7/5

Answers

The solution is Option C.

The value of the quadratic equation is 5x² + 2x = 7

What is Quadratic Equation?

A quadratic equation is a second-order polynomial equation in a single variable x , ax² + bx + c=0. with a ≠ 0. Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.

The roots of the quadratic equations are

x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )

where ( b² - 4ac ) is the discriminant

when ( b² - 4ac ) is positive, we get two real solutions

when discriminant is zero we get just one real solution (both answers are the same)

when discriminant is negative we get a pair of complex solutions

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

5x² + 2x = 7  

On simplifying the equation , we get

Subtracting 7 on both sides of the equation , we get

5x² + 2x - 7 = 0   be equation (1)

Now , the roots of the quadratic equations are

x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )

Substituting the values in the equation , we get

x = [ -2 ± √ ( 4 - 4 ( 5 ) ( -7 ) ] / 10

x = [ -2 ± √ ( 144 ) ] / 10

x = ( -2 ± 12 ) / 10

So , the two roots of the equation are

x = ( -2 + 12 ) / 10

x = 10/10 = 1

And , x = ( -2 - 12 ) / 10

x = -14/10

x = -7/5

Hence , the roots of the quadratic equation are 1 and -7/5

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How does the water cycle cause weather? Choose any that are correct. CPALMS

Answers

Water vapor is created when liquid water evaporates, and this water vapor then develops into clouds and falls back to earth as rain and snow.

What is the fundamental meaning of weather?

Weather is the culmination of the present meteorological variables, such as temperature, wind speed and direction, precipitation amount and kind, weather is great hours, etc. The weather dictates a little window of time up over several days.

What is weather, for instance?

What you perceive outside when any given day is the weather. Therefore, for instance, it may be 20 ° with heavy snow or it could be 75 degrees and sunny. That is the climate. The average of the weather is the climate.

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Write the mixed number 2 3/8 as an improper fraction.

Answers

Answer:

19/8

Step-by-step explanation:

[tex]a\frac{b}{c}=\frac{ac+b}{c}\\\\2\frac{3}{8}=\frac{2(8)+3}{8}=\frac{16+3}{8}=\frac{19}{8}[/tex]

Answer:

= 19/8

Step-by-step explanation:

2 = 16/

2 3/8 = 2+3/8 = 16/8 + 3/

= 19/

The diagram below shows a rectangle with side lengths 4 and 8 and a square with side length 5. Three vertices of the square lie on three different sides of the rectangle, as shown. What is the area of the region inside both the square and the rectangle?

Answers

Answer:

The area of the region inside both the square and the rectangle is 37 square units.

Step-by-step explanation:

The area of the region inside both the square and the rectangle can be found by subtracting the areas of the four triangles outside the square from the area of the rectangle.

The area of the rectangle is 4 * 8 = 32 square units. The area of each triangle can be found using the formula for the area of a triangle, which is (base * height) / 2. The base of each triangle is half the length of the side of the square, which is 5 / 2 = 2.5 units. The height of each triangle is the difference in height between the rectangle and the square, which is 4 - 5 = -1 unit. The area of each triangle is (2.5 * -1) / 2 = -1.25 square units. The area of the four triangles outside the square is 4 * -1.25 = -5 square units.

The area of the region inside both the square and the rectangle is 32 + 5 = 37 square units.

It cost $1,230 to carpet a 10 ft by 6 ft room. If the same type of carpet is used, how much would it cost to carpet a 7 ft by 8 ft room?

a.$20.50

b. $76.85

c. $1,148

d. $1,318

Answers

6 times 10 is 60 and 1230/60 is 20.5. 7 times 8 is 56 so 56 times 20.5 is C, 1148

The required cost of carpet is $1,148.

Hence option (c) is correct.

What is mean by Rectangle?

A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Given that;

Cost of carpet of dimension 10 ft x 6 ft = $1230

Then cost of carpet of area 60 ft² = $1230

The cost of carpet per unit area = 1230/60

                                                      = $20.5

Area of carpet 7 ft x 8 ft =  56 ft²

Then the cost of this carpet

= 56x20.5

= 1,148

Therefore, the cost of carpet of dimension 7 ft x 8 ft = $1,148

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Need help solving this problem

Answers

The value of cot(θ - π/2) is 1.52.

What are trigonometry ratios?

The trigonometric functions in mathematics are real functions that relate the right-angled triangle's angle to the ratios of its two side lengths. They are extensively used in all fields of geometry-related science, including geodesy, solid mechanics, celestial mechanics, and many others.

There are six trigonometric ratios used in trigonometry: sine, cosine, tangent, secant, and cotangent. The abbreviations for these ratios are sin, cos, tan, sec, cosec(or csc), and cot. Look at the below-displayed right-angled triangle. Any two of the three sides of a right-angled triangle can be compared in terms of their respective angles using trigonometric ratios.

Given that tan θ = -1.52.

The given expression is

cot(θ - π/2)

= - cot(π/2 - θ)

Now applying the trigonometry identity cot(π/2 - θ) = tan θ:

= - tan θ

Now putting the value of tan θ = -1.52:

= - (-1.52)

= 1.52

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According to a survey, 40% of adults watch a particular television show. Six adults are selected at random. The binomial distribution below shows the probability that k out of 6 adults watch the television show. P(k = 0) = 0.0467 P(k = 1) = 0.1866 P(k = 2) = 0.3110 P(k = 3) = 0.2765 P(k = 4) = 0.1382 P(k = 5) = 0.0369 P(k = 6) = 0.0041 The distribution is symmetric. skewed. both symmetric and skewed.

Answers

The distribution is b) skewed.

The sum of the probabilities is: 1

How to find the answer

In a binomial distribution, p represents the probability of success. Success in the sense that the event of interest happens. In the model presented, the probability of success p is 0.4 since we are informed that 40% of adults watch a particular television show.

The next quantity of significance in a binomial model is the number of independent trials, n.

In our case there are 6 independent trials since we are told that 6 adults were selected at random. If we let the random variable K denote the number of adults out of the 6 who watch the television show, then K is a binomial random variable with parameters;

n = 6 and p = 0.4

A binomial distribution is only symmetric when either p is 0.5 or n is large. In the presented scenario none of these conditions is met since p is 0.4 while n is just 6 which is relatively small.

Thus we conclude that the distribution is not symmetric but rather skewed.

The sum of the probabilities is any discrete probability distribution such as the Bernoulli, binomial, negative binomial, Poisson, or the geometric distribution is always equal to 1. That's a rule of thumb.

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State whether the data described below are discrete or continuous, and explain why. The times required by students to complete a statistics test Choose the correct answer below. O A. The data are discrete because the data can take on any value in an interval. O B. The data are discrete because the data can only take on specific values. O C. The data are continuous because the data can take on any value in an interval. OD. The data are continuous because the data can only take on specific values.

Answers

The data are discrete because the data can only take on specific values, So correct option is B.

What do you mean by discrete data?

Discrete data refers to data that can only take on specific, separate values. It is a type of data that can be counted or enumerated, but not measured. In other words, the values can't be expressed as fractions or decimals between two whole numbers. Some examples of discrete data include the number of siblings in a family, the number of pets owned by an individual, and the number of correct answers on a test. Discrete data is distinct from continuous data, which can take on any value within a certain range.

The data are discrete because the data can only take on specific values (e.g. a time of 20 minutes, 21 minutes, 22 minutes, etc.). They cannot take on any value in an interval, such as 20.5 minutes. Discrete data represent a countable number of values, while continuous data can take on any value within a given range.

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The work done by the force 4i−3j+2k in moving a particle along a straight line from the point (3,2,−1) to (2,−1,4) is:A. 0 unitsB. 4C. 15D. 19

Answers

The work done by the force 4i−3j+2k is the scalar product of the force vector and the displacement vector between the two points. In this case, the displacement vector is (3−2, 2−(−1), −1−4) or (1,3,−5). The scalar product of these two vectors is (1)(4)+(3)(−3)+(−5)(2) = 15 units.

Work is the scalar product of the force and displacement vectors. The force vector in this problem is given as 4i−3j+2k, while the displacement vector (the vector from the starting point to the end point) is (3−2, 2−(−1), −1−4) or (1,3,−5). The scalar product of these two vectors is (1)(4)+(3)(−3)+(−5)(2) = 15 units. This means that the work done by the force is 15 units.

The work done by a force is the energy transferred to an object by the force. It is calculated by taking the scalar product of the force and displacement vectors. This scalar product gives the magnitude of the work done by the force, which in this case is 15 units. This means that the force transferred 15 units of energy to the object by moving it from the starting point to the end point.

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Mirta has a savings account which gathers compound interest each year. She opened the account with a deposit of 3000
. After 4 years there is 3690.37
in the account. Work out the annual interest rate of the savings account. Give your answer as a percentage to 1 d.p.

Answers

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 3690.37\\ P=\textit{original amount deposited}\dotfill &\$3000\\ r=rate\to r\%\to \frac{r}{100}\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{each year, thus once} \end{array}\dotfill &1\\ t=years\dotfill &4 \end{cases}[/tex]

[tex]3690.37 = 3000\left(1+\frac{\frac{r}{100}}{1}\right)^{1\cdot 4} \implies \cfrac{3690.37 }{3000}=\left(1+\cfrac{r}{100} \right)^4 \\\\\\ \sqrt[4]{\cfrac{3690.37 }{3000}}=1+\cfrac{r}{100}\implies \sqrt[4]{\cfrac{3690.37 }{3000}}=\cfrac{100+r}{100} \\\\\\ 100\sqrt[4]{\cfrac{3690.37 }{3000}}=100+r\implies 100\sqrt[4]{\cfrac{3690.37 }{3000}}-100=r\implies \boxed{5.3\approx r}[/tex]

Answer:

5.3 is about r

Step-by-step explanation:

el perimetro de un patio rectangular es de 204 pies si el ancho del patio es de 45 pies cual es el largo del patio

Answers

The length of the rectangular patio is 57 ft.

What is a Parallelogram?

In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure.

Given is that the perimeter of a rectangular patio is 204 feet and the width of the patio is 45 feet.

We can write -

2(L + B) = 204

L + B = 102

L = 102 - 45

L = 57

Therefore, the length of the rectangular patio is 57 ft.

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{Question in english -

The perimeter of a rectangular patio is 204 feet if the width of the patio is 45 feet what is the length of the patio}

Please help, this is overdue and I can't figure it out. Use linear combination to solve the system of equations. Show your work.
Check your answer to show proof that the solution works in each equation.
2x+4y=6
x-4y=-21

Answers

The solution to the system of equations in this problem is given as follows:

(-5, 4).

How to solve the system of equations?

The system of equations for this problem is defined as follows:

2x + 4y = 6.x - 4y = -21.

Applying linear combination, we can add the equations and remove the variable y, hence the solution for x of the system of equations is obtained as follows:

3x = -15.

x = -15/3

x = -5.

Then the solution for y is given as follows:

-5 - 4y = -21

4y = 16

y = 16/4

y = 4.

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HELP PLEASE!! I WILL CROWN YOU
Everyone who buys a raffle ticket to support the marching band will randomly receive one of three pieces of marching band merchandise: a T-shirt, a hat, or a pair of shorts. How many raffle tickets would you have to buy to get all three pieces of merchandise?

Answers

Answer:

You would have to buy three raffle tickets to have a chance to receive all three pieces of merchandise.

Step-by-step explanation:

Each raffle ticket gives you a chance to win one of the three pieces of marching band merchandise: T-shirt, hat, or shorts. To have a chance of winning all three pieces, you would need to buy three separate raffle tickets, each with a chance to win a different piece of merchandise. This way, you would increase your chances of receiving all three pieces through the random selection process of the raffle.

If each raffle ticket has an equal chance to win any of the three pieces of merchandise, then you would have a 33% chance of winning any one piece of merchandise with each ticket you buy. To have a greater chance of winning all three pieces, you would need to buy multiple tickets.

For example, if you buy three tickets, the chance of winning all three pieces of merchandise would be (1/3) * (1/3) * (1/3) = 1/27. This means that you have a 1 in 27 chance of winning all three pieces of merchandise with three raffle tickets.

Answer:3 i d k

Step-by-step explanation:

and, this question too? plese

Answers

The model product, P(16), predicts the number of moose to be 3545 in 1997 and 2970 in 2009.

what is probability ?

The odds that a happening will happen or a claim will be true is measured by probability theory, a branch od arithmetic. The probability of an item is a number between 0 but also 1, where about 0 represents how frequently the event is to occurring and 1 represents certainty. A risk is a numerical illustration of the possibility that a specific occurrence will take place. Probabilities may be expressed as percentages ranging from 0percent to 100% as well as from 0 to 1. the ratio of the number of outcomes to the proportion of occurrences in a whole set of equally plausible options that lead to a specific occurrence.

given

We'll choose x on the graph to represent the number of years since 1990 and y to represent the number of moose.

On the graph, there are two points: (4, 4290) and (8, 3850)

We can determine the slope of this line using the slope formula (m = [y2 - y1]/[x2 - x1]):

Replacement: m = (3850 - 4290)/(8 - 4)

m = -440/4 Solve the parenthesis's subtraction puzzles.

m = -110 Reduce the percentage

Since we know the line's slope, we can apply the point-slope formula (y - y1 = m[x - x1]) to determine the line's equation.

P(16) = 2970

The model product, P(16), predicts the number of moose to be 3545 in 1997 and 2970 in 2009.

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PLEASE HELP MEEEEEE

thank you <3

Answers

The value of the varaible 'x' will be 4. And the value of the varaible 'y' will be 7.

What is dilation?

Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered. There is no effect of dilation on the angle.

a) The equation is given as,

4 / 8 = 3 / (y - 1)

1/2 = 3 / (y - 1)

y - 1 = 6

y = 7

b) The equation is given as,

5 / (7 + 2x) = 2 / (x + 2)

5(x + 2) = 2(7 + 2x)

5x + 10 = 14 + 4x

5x - 4x = 14 - 10

x = 4

The value of the varaible 'x' will be 4. And the value of the varaible 'y' will be 7.

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what's the answer to this

Answers

Answer:

84.8 squared centimeters

Step-by-step explanation:

You know the height is 8 cm

You know one of the bases has a length of 15.5 cm

You know one of the bases has a length of 5.7 cm

Formula to find a trapezoid:

[tex]\frac{b_{1}+b_{2}}{2}[/tex]×h

so...

substitute!!!!!

Please help I will give brainly

Answers

By solving the equation 3x = x² - 4, we know that the positive solution of the given problem is x = 4.

What are equations?

Using the equal symbol, they are linked.

For instance, a formula might be 3x - 5 = 16. After solving this equation, we learn that the value of the variable x is 7.

So, using the given  information, form the following equation:

3x = x² - 4

Now, solve this equation as follows:

3x = x² - 4

0 = x² - 3x - 4

0 = (x-4)(x+1)

Then, x = 4 and x = -1

Therefore, by solving the equation 3x = x² - 4, we know that the positive solution to the given problem is x = 4.

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A 2-column table with 5 rows. Column 1 is labeled Minutes with entries 1, 2, 3, 4, 5. Column 2 is labeled Words with entries 250, 500, A, 1,000, B. Use the relationship between quantities to calculate the missing values in the table. A = B =

Answers

By using the relationship between quantities, the missing values in the table are:

A = 750

B = 1,250.

What is a proportional relationship?

In Mathematics, a proportional relationship is a type of relationship that generates equivalent ratios and it can be represented by this mathematical expression:

y = kx

Where:

k is the constant of proportionality.y and x represent the variables in a proportional relationship.

Next, we would determine the constant of proportionality (k) for the data points contained in this 2-column table as follows:

Constant of proportionality, k = y/x

Constant of proportionality, k = 250/1

Therefore, a linear equation for this proportional relationship can be correctly written as follows:

y = kx

y = 250x

When x = 3, the value of A is given by:

y = 250(3) = 750.

When x = 5, the value of A is given by:

y = 250(5) = 1,250.

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Use the graph at the right to graph the following equations:

y = 1/2x + 3
y = 2x

Do the graphed equations have any points in common? If so, where?

✓CHECK: Use the space below to prove
that the point is a solution to both equations.

Answers

Answer: Yes at x = 2.

Step-by-step explanation: There are two ways to do it. Graph the function or solve it. Since im on a computer solving would be easiest for me to explain. To find a point where the two lines meet, you should set the two equations equal to each other. When you solve by subtracting 1/2x on both sides, the result is 3/2x = 3. This means that x=2. When you graph you should see that when x =2 the answer is right.

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