What is 5(−3.4k−7)+(3k+21) pls

Answer:

the answer is " The zeros are -3 and -2/3, because y=(x+3)(3x+2).

Step-by-step explanation:

(I just took the test)

The treatment mean square can be calculated by dividing the sum of squares for treatment by the degrees of freedom for treatment. In this case, the sum of squares for treatment is 1,122 and the degrees of freedom for treatment is 2. Therefore, the treatment mean square is 1,122/2 = 561. Therefore, the correct answer is: 561.

Based on the ANOVA table you've provided, you're interested in determining the treatment mean square. The treatment mean square (also called mean square between) is calculated by dividing the treatment sum of squares by the treatment degrees of freedom (df). Unfortunately, the ANOVA table appears to be incomplete, and I am unable to give you the specific numbers for the calculations.

However, I can guide you on how to calculate the treatment mean square. Once you have the treatment sum of squares and treatment df, simply follow this formula:

Treatment Mean Square = Treatment Sum of Squares / Treatment df

After applying this formula, you'll be able to choose the correct answer from the multiple-choice options you've mentioned: 71.6, 71.8, 561, or 537.

The treatment mean square can be calculated by dividing the sum of squares for treatment by the degrees of freedom for treatment. In this case, the sum of squares for treatment is 1,122 and the degrees of freedom for treatment is 2. Therefore, the treatment mean square is 1,122/2 = 561. Therefore, the correct answer is: 561.

To learn more about Mean Square, click here:

brainly.com/question/30403276

#SPJ11

promotional strategies used by companies to draw clients and boost sales. For example, product promotions include free samples, whereas sales promotions include coupons and competitions.

Sales promotions are short-term incentives provided by businesses to entice clients to make a purchase or carry out a specific action, such redeeming a coupon or participating in a competition. On the other hand, product promotions use free samples to spread the word about and encourage people to try a new or existing product.

The coupons, contests, and free samples that Conley is looking for while preparing to go shopping after the Christmas holidays are all examples of promotional tools or marketing strategies used by companies to attract customers and boost sales. Samples are a particularly effective marketing tool as they allow customers to try products before purchasing them, increasing the likelihood of a sale. Conley's proactive approach to finding these promotional tools and taking advantage of them demonstrates her savvy consumer skills.

To know more about sales promotions Visit:

https://brainly.com/question/13975307

#SPJ11

Answer:

55%

Step-by-step explanation:

We can infer a few things here and come to a logical conclusion.

$9 is not exactly half of 20 right?

So this tells us that our answer needs to be over 50% because a 50% discount would make the bookbag $10.

If we look at the answers only 1 of them is over 50% and that is 55%.

However, let's check our work

First we multiply 20 by .55 (when multiplying a percent we move the decimal over twice)

\((20) *(.55) = 11\)

We got 11 out of this, the next thing we do is subtract that 11 from the overall 20:

\(20-11= 9\)

Therefore we see that 55% is the answer!

Hope this helps!!

- Kay

Step-by-step explanation:

we see that 55% is the answer

The lowest temperature is usually around 3 degrees Celsius (3°C), and the highest temperature is around 18 degrees Celsius (18°C).

The temperature is typically halfway between the daily high and daily low at both 10 a.m. and 10 p.m. Additionally, the highest temperatures are usually in the afternoon.

During the morning, the sun starts to warm up the atmosphere, causing the temperature to rise from its lowest point. By 10 a.m., the temperature has increased but is not yet at its peak.

Similarly, during the evening, the sun starts to set, resulting in a gradual decrease in temperature from its highest point. By 10 p.m., the temperature has dropped but is not yet at its lowest point

The temperature at 10 a.m. and 10 p.m. is typically halfway between the daily high and daily low because it represents the transition period between the warmest and coolest parts of the day.

To Know More about Similarly visit:

brainly.com/question/29024060  

#SPJ11

The equation of the path of the parabola is y = a(x - 13)² + 27

Given data ,

To represent the path of Al's toss, we can assume that the path is a parabolic trajectory.

The equation of a parabola in vertex form is given by:

y = a(x - h)² + k

where (h, k) represents the vertex of the parabola

Now , the balloon was released from the 10-yard line and landed at the 16-yard line, we can determine the x-values for the vertex of the parabola.

The x-coordinate of the vertex is the average of the two x-values (10 and 16) where the balloon was released and landed:

h = (10 + 16) / 2 = 13

Since the height of the balloon reached 27 yards, we have the vertex point (13, 27)

Now, let's substitute the vertex coordinates (h, k) into the general equation:

y = a(x - 13)² + k

Substituting the vertex coordinates (13, 27)

y = a(x - 13)² + 27

To determine the value of 'a', we need another point on the parabolic path. Let's assume that the highest point reached by the balloon is the vertex (13, 27).

This means that the highest point (13, 27) lies on the parabola

Substituting the vertex coordinates (13, 27) into the equation

27 = a(13 - 13)² + 27

27 = a(0) + 27

27 = 27

Hence , the equation representing the path of Al's toss is y = a(x - 13)² + 27, where 'a' can be any real number

To learn more about parabola click :

https://brainly.com/question/24042022

#SPJ1

7 is initially represented by 7 units to the right, Now, if we remove 5 from 7, we must move 5 units to the left, arriving at unit 2.

A number line is a one-dimensional horizontal line where we can represent any real number. The origin of the number line is represented by zero left to it are all negative real numbers and right to it are all positive real numbers.

On the number line, 7 is represented 7 units right from the origin.

Now subtracting 5 from 7 implies we have to go 5 units to the left so we end up in unit 2.

The graphical representation is illustrated in the attached image.

learn more about number line here :

https://brainly.com/question/13425491

#SPJ1

The volume of the helium-filled balloon at 0.855 atm and 10.0 °C will be approximately 42.81 L, calculated using the ideal gas law equation.

To compute this problem, we can use the ideal gas law, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.

First, we need to convert the initial temperature of 25 °C to Kelvin:

T1 = 25 + 273.15 = 298.15 K

Next, we can rearrange the ideal gas law equation to solve for V2:

V2 = (P1 * V1 * T2) / (P2 * T1)

We have:

P1 = 1.08 atm (initial pressure)

V1 = 50.0 L (initial volume)

P2 = 0.855 atm (final pressure)

T2 = 10.0 °C (final temperature)

Converting the final temperature to Kelvin:

T2 = 10 + 273.15 = 283.15 K

Substituting the values into the equation:

V2 = (1.08 * 50.0 * 283.15) / (0.855 * 298.15)

V2 ≈ 42.81 L

Therefore, the volume of the helium-filled balloon at 0.855 atm and 10.0 °C will be approximately 42.81 L.

To know more about ideal gas law refer here:

https://brainly.com/question/30458409#

#SPJ11

The estimate of the mean length of the insects Ciara found is 17 millimeters (mm).

To calculate an estimate of the mean length of the insects Ciara found, we need to find the weighted average of the lengths using the given frequencies.

Let's denote the lower limits of the length intervals as L1 = 0, L2 = 10, and L3 = 20.

Similarly, denote the upper limits as U1 = 10, U2 = 20, and U3 = 30.

Next, we calculate the midpoints of each interval by taking the average of the lower and upper limits.

The midpoints are M1 = (L1 + U1) / 2 = 5, M2 = (L2 + U2) / 2 = 15, and M3 = (L3 + U3) / 2 = 25.

Now, we can calculate the sum of the products of the frequencies and the corresponding midpoints.

This gives us (5 \(\times\) 5) + (6 \(\times\) 15) + (9 \(\times\) 25) = 25 + 90 + 225 = 340.

Next, we calculate the sum of the frequencies, which is 5 + 6 + 9 = 20.

Finally, we divide the sum of the products by the sum of the frequencies to find the weighted average, which is 340 / 20 = 17.

Therefore, the estimate of the mean length of the insects Ciara found is 17 millimeters (mm).

Thus, the mean length of the insects Ciara found is approximately 17 millimeters (mm).

For similar question on mean length.

https://brainly.com/question/16971437  

#SPJ8

The length of side AC in triangle ABC is approximately 13.898 cm.

To find the length of side AC in triangle ABC, we can use the law of cosines.

The law of cosines states that in a triangle, the square of one side is equal to the sum of the squares of the other two sides, minus twice the product of the lengths of those two sides and the cosine of the included angle.

In triangle ABC, we are given:

∠A = 65°

AB = 7 cm

BC = 12 cm

We want to find AC.

Using the law of cosines, we have:

AC² = AB² + BC² - 2 * AB * BC * cos(∠A)

AC² = 7² + 12² - 2 * 7 * 12 * cos(65°)

AC² = 49 + 144 - 168 * cos(65°)

AC² ≈ 193.463

Taking the square root of both sides, we find:

AC ≈ √193.463

AC ≈ 13.898

Therefore, the length of side AC in triangle ABC is approximately 13.898 cm.

for such more question on length

https://brainly.com/question/20339811

#SPJ8

Question

The length of side AC of the triangle △ABC when ∠A = 65°, AB = 7cm, and BC = 12cm.

Using conditional probability, it is found that there is a 0.275 = 27.5% probability of choosing Urn 1 and a white marble.

According to our question-

P(B|A) is the probability of event B happening, given that A happened.

is the probability of both A and B happening.

P(A) is the probability of A happening.

In this problem:

Event A: Urn 1.

Event B: White marble.

Equally as likely to choose both urns, hence .

In urn 1, 11 of the 11 + 9 = 20 marbles are white, hence

0.275 = 27.5% probability of choosing Urn 1 and a white marble.

Hence, Using conditional probability, it is found that there is a 0.275 = 27.5% probability of choosing Urn 1 and a white marble.

learn more about probability click here:

brainly.com/question/13604758

#SPJ4

Answer: The first one :)

Step-by-step explanation:

y-axis 6 5 4 3 2 1 x=ax S 4 -3 2  -1 1 2 3 4 5 6 -1 -2.    

To learn more about Theoretical Approach refer to:

https://brainly.com/question/2664420

#SPJ1

A transformation modifies the parent function's graph.

The graph of a parent function is changed by a transformation. Transformations come in three different flavors: translations, reflections, and dilations.

A point, line, or geometric object can be changed in four different ways that are all collectively referred to as transformations. The pre-image is the shape of the object as it was originally, and the transformed shape of the object is termed the image.

Making pictures or replicas of an object is part of transformation geometry. You are introduced to transformation geometry in grade 9 through the use of translation, reflection, dilation, and rotation.

The foundation of the problem transformation approach is the notion that, if we are unable to address the given problem directly, we will move it to a setting where we can do so. The method's fundamental component is how the problem is broken down into smaller tasks.

To learn more about transformation refer to:

https://brainly.com/question/28025572

#SPJ1

Answer:

3600

Step-by-step explanation:

16500/4.5 to find watt-hours per day.

Answer:

0.491 or 49.1%.

Step-by-step explanation:

Prob(selecting a senior male)

= number of senior males / total number of students

= 82/167

= 0.491

The z-score is greater than 2 (the cutoff for a usual event at the 95% confidence level)

The answer is "Yes" because the z-score is 2.98, which is not a usual value since it lies outside the range of usual events, namely outside 2 standard deviations of the mean of the sample means.

To calculate the z-score, we use the formula:

z = (x - μ) / (σ / √(n))

where x is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size.

Plugging in the given values, we get:

z = (562 - 518) / (118 / √(60)) = 2.98

Since the z-score is greater than 2 (the cutoff for a usual event at the 95% confidence level), we can conclude that the high school's claim is justified.

Learn more about z-score

brainly.com/question/31613365

#SPJ11

Answer:

The range interval is: (7, -1)

Step-by-step explanation:

Given the function

g(x) = -2r+5

Let us put the domain values in the interval (-1, 3)

Putting x = -1

g(x)=-2r+5

      = -2(-1)+5

      = 2+5

      = 7

Putting x = 0

g(x)=-2r+5

      = -2(0)+5

      =0+5

      = 5

Putting x = 1

g(x)=-2r+5

      = -2(1)+5

      =-2+5

      = 3

Putting x = 2

g(x)=-2r+5

      = -2(2)+5

      =-4+5

      = 1

Putting x = 3

g(x)=-2r+5

      = -2(3)+5

      =-6+5

      = -1

Thus the range interval is: (7, -1)

The correct option is A. The volume is 6.77 cubic units

The function and interval given are f(x) = (x - 1)^-1/4 and the x-axis on the interval (1, 6].

We want to find the volume of the solid of revolution when the region is rotated about the x-axis.

Let's consider the graph of the function: graph{(x-1)^(-1/4) [-10, 10, -5, 5]}

To set up the integral to find the volume of the solid of revolution, we can use the disk method.

We need to integrate the area of each disk perpendicular to the x-axis from x = 1 to x = 6.

The area of a disk is given by the formula: A = πr²

where r is the radius of the disk and is equal to f(x) in this case.

Therefore, the area of a disk is: A = πf(x)²

Let's substitute f(x) into this formula and integrate from x = 1 to x = 6 to get the volume of the solid.

We have The integral that should be used to find the volume of the solid is given as:

V = ∫₁⁶ πf(x)² dx

We substitute f(x) = (x - 1)^(-1/4) into this expression and integrate to get the volume.

We have: V = ∫₁⁶ π(x - 1)^(-1/2) dx

Let u = x - 1, so that du/dx = 1 and dx = du.

When x = 1, u = 0, and when x = 6, u = 5.

Therefore, we have: V = ∫₀⁵ πu^(-1/2) du= 2π[u^(1/2)]₀⁵= 2π(√5 - 1) ≈ 6.77 cubic units.

The volume of the solid of revolution when the region is rotated about the x-axis is approximately 6.77 cubic units.

Thus, the correct option is A. The volume is 6.77 cubic units.

To know more about disk method visit:

https://brainly.com/question/28184352

#SPJ11

Answer:

Where is the diagram?

Step-by-step explanation:

Where is the diagram?

Answer:

  16.6°

Step-by-step explanation:

The triangle can be solved using the Law of Cosines to find the side opposite the given angle, then the Law of Sines to find the missing angle from the given sides.

__

We choose to use a=10, b=4, C=29°.

  c² = a² +b² -2ab·cos(C) . . . . . law of cosines

  c² = 10² +4² -2·10·4·cos(29°) ≈ 46.0304

  c ≈ √46.0304 ≈ 6.78457

Then angle B (opposite side b) is ...

  sin(B)/b = sin(C)/c . . . . . . . . . law of sines

  sin(B)/4 = sin(29°)/6.78457

  B = arcsin(4/6.78457×sin(29°)) ≈ 16.6085°

The missing acute angle is about 16.6°.

n = ceil(sqrt((2008/4phi)[90 - arccos(k(2 cos(phi/2008)))]))

       2 [cos(alpha) sin(alpha) + cos(4 alpha) sin(2 alpha) + cos(9 alpha) sin(3 alpha) + ... + cos(n^2 alpha) sin(n alpha)]

     = [sin(2 alpha) + sin(8 alpha) + sin(18 alpha) + ... + sin(n^2 alpha)].

        sin(2 alpha) + sin(8 alpha) + sin(18 alpha) + ... + sin(n^2 alpha)

     = (sin(2 alpha) - sin(2n^2 alpha))/(1 - sin(2 alpha))

     = (2 sin(n^2 alpha) cos(n^2 alpha))/(2 cos(alpha) - 1)

     = [sin(2n^2 phi/2008)]/(2 cos(alpha) - 1)

        [sin(2n^2 phi/2008)]/(2 cos(alpha) - 1)

        sin(2n^2 phi/2008) = k(2 cos(alpha) - 1)

        cos(90 - 2n^2 phi/2008) = k(2 cos(alpha) - 1)

       90 - 2n^2 phi/2008 = ±arccos(k(2 cos(alpha) - 1))

       n^2 = (2008/4phi)[90 ± arccos(k(2 cos(alpha) - 1))]

       n = ceil(sqrt((2008/4phi)[90 - arccos(k(2 cos(phi/2008)))]))

We can find the smallest positive integer n by incrementing the value of k starting from 1 until ceil(k^2*alpha) is greater than or equal to n.

Learn mor about integer

brainly.com/question/15276410

#SPJ11

Answer:

slope 4

y intercept 0, 4

Step-by-step explanation:

Answer:

Slope: -1

y-intercept: (0, 9)

Step-by-step explanation:

The slope is -1 because -1x is the same as -x and the slope is the number before x. The y-intercept is (0, 9) because the y-intercept is what y is when x is 0 so y = -1(0) + 9 which equals 9.

The difference-in-differences (DiD) identification strategy compares the changes in outcomes between a treatment and control group before and after a treatment to estimate its causal impact.

The identification strategy of difference-in-differences (DiD) is a statistical method used to estimate the causal impact of a treatment or intervention by comparing the changes in outcomes between a treatment group and a control group over time. It allows us to measure the treatment effect by looking at the differences in outcomes before and after the treatment, both for the treated group and the control group, and then comparing these differences.

In a DiD analysis, we typically have two groups: a treatment group that receives the intervention or treatment and a control group that does not receive the intervention. The key idea is to compare the difference in outcomes between the treatment and control groups before the treatment is implemented with the difference in outcomes after the treatment.

To know more about outcome,

https://brainly.com/question/32326905

#SPJ11

When you take a jack-o'-lantern and divide its circumference by its diameter, you get the mathematical constant pi (π). This is a well-known mathematical formula that applies to all circles, not just jack-o'-lanterns.

Pi is defined as the ratio of the circumference of a circle to its diameter. It is a non-repeating, non-terminating decimal that has been calculated to over 31 trillion digits. Despite its seemingly random digits, pi has many interesting properties and is used in a wide range of mathematical and scientific applications, including geometry, trigonometry, calculus, and physics.

To understand why dividing the circumference by the diameter of a jack-o'-lantern (or any circle) gives you pi, you need to understand the definition of these terms. The circumference is the distance around the edge of a circle, while the diameter is the distance across the circle through its center. The ratio of the circumference to the diameter is the same for all circles, regardless of their size or shape.  

By dividing the circumference of a jack-o'-lantern by its diameter, you are essentially measuring how many times the diameter can fit into the circumference. This ratio will always be the same for all circles, and it is equal to pi (approximately 3.14159...).

In conclusion, dividing the circumference of a jack-o'-lantern by its diameter gives you the mathematical constant pi, which is a fundamental concept in mathematics and science.

To know more about mathematical constant pi click here:

brainly.com/question/30647773

#SPJ4

It is proved that <QST + <TSV = 180° becasue of the linear pair.

Here we know that vertically opposite angles are those angles that are opposite one another at a specific vertex and are created by two straight intersecting lines.

The sum of linear pair is equal to 180 degree

<QSVX= 180°

<TSR= 180°

Therefore, <QST= 90°

<TSV= 90°

Thus, <QST + <TSV = 180°

Learn more about vertically opposite angles;

https://brainly.com/question/18045519

#SPJ1

The derivative of a function f(x) at a point x = a is defined as the limit of the difference quotient as h approaches zero:

f'(a) = lim (h → 0) [f(a + h) - f(a)] / h

What is derivative?

The derivative of a function in calculus measures the function's sensitivity to changes in its input variable. Specifically, at a particular point, it represents the function's rate of change with respect to its input variable at that moment.

The derivative of a function f(x) at a point x = a is defined as the limit of the difference quotient as h approaches zero:

f'(a) = lim (h → 0) [f(a + h) - f(a)] / h

This limit represents the instantaneous rate of change or slope of the function at the point x = a. The difference quotient is the change in the function value divided by the change in the input variable (or the distance between two points on the graph of the function).

The derivative is a fundamental concept in calculus, and it has many applications in various fields of science, engineering, and economics. It allows us to calculate important quantities such as velocity, acceleration, and marginal cost, and it is used to optimize functions and solve many real-world problems.

To learn more about derivative visit:

https://brainly.com/question/30403647

#SPJ4

The curve has a y-intercept of -4 and a slope of 2. We will need two points on the line y = 2x - 4 to plot the graph.

Y = 2x + b, where b is the y-intercept, is how the equation y = 2x - 4 can be expressed in slope-intercept form. We must perform the b-solve in order to determine the slope and y-intercept of the equation.

The line's crossing of the y-axis is known as the y-intercept. Setting x equal to 0 in the equation yields y = 2(0) - 4 and the y-intercept, which can be found. As a result, the y-intercept is determined to be y = -4.

The pace at which a line increases is referred to as its slope. Using the coefficient of x, which is 2, we can get the slope. Consequently, the slope of the equation is 2. Y = 2x – 4.

To learn more about y-intercept here:

https://brainly.com/question/14180189

#SPJ4

Full Question = What are the slope and y − intercept of the equation y 2x − 4?

Answer:

The first step of factorising an expression is to 'take out' any common factors which the terms have. So if you were asked to factorise x² + x, since x goes into both terms, you would write x(x + 1) . This video shows you how to solve a quadratic equation by factoring.

Step-by-step explanation:

The total charge for this job is $12131.04.

Charge per square yard to remove old carpet = $5.99

Charge per square yard to install the new carpet = $4.50

Charge for carpet and pad they selected per square yard = $16.99 and $3.00

Dimension of the living room = 17 1/2 by 20 feet

⇒ 35/2 by 20 feet

Dimension of the hall = 4 by 12 feet

The living room and the hall is in the shape of rectangular.

The formula of the area of the rectangle is

A= length x width

the total area of the living room and the hall is

⇒ (35/2) x 20 + (4 x 12)  

⇒ 398 square feet.

The total cost is

⇒ 5.99 + 4.50 + 16.99 + 3. 00

⇒30.48

Thus, the total charge for this job is

⇒398 x 30.48

⇒$12131.04

Total cost (TC) in that is the overall economic cost of production and is made of variable cost, which varies in step with the amount of a terrific produced and includes inputs together with exertions and raw materials, plus fixed cost, which is unbiased of the quantity of an amazing produced and includes inputs that cannot be various in the brief term including homes and machinery, which include probably sunk prices.

Total cost in economics includes the full possibility price (blessings received from the next-nice alternative) of every issue of production as part of its constant or variable prices.

The additional total cost of one additional unit of manufacturing is known as marginal cost.

To learn more about the Total cost visit here:

brainly.com/question/28652728

#SPJ4