The equation y=2.4x could represent a variety of different situations.

Write a description of a situation represented by this equation. Decide what quantities x and y represent in your situation.

We cannot compute the percentage of variation in final exam scores, Without knowing the correlation coefficient or regression equation.

To determine the percentage of variation in final exam scores that is explained by the linear relationship with Internet instruction time, we need to calculate the coefficient of determination, denoted \(R^2.\)

R-squared is the proportion of the variance of the dependent variable (final grade) that can be explained in a linear regression model by the independent variable (internet class hours).

It ranges from 1, showing that the demonstration does not clarify the change, and 1 demonstrating that the demonstration clarifies all the fluctuation.

In case you've got as of now calculated the relationship coefficient (r) between Web class hours and last exam scores, you'll be able to calculate \(R^2\)as follows:

\(R^2 = r^2\)

Then again, once you've got the relapse condition, you'll be able to compute\(R^2\)the square of the relationship between the anticipated and genuine values ​​of the subordinate variable. 

\(R^2 = (SSR/SST)\)

where SSR is the sum of squared residuals (also called the explained sum of squares) and SST is the total sum of squares.

You cannot calculate \(R^2\)without knowing the correlation coefficient or the regression equation.

Therefore, we need more information on studies such as:  Using data or summary statistics,

to determine the value of \(R^2\)to determine the percentage of variation in final exam scores explained by a linear relationship with Internet instruction time.  

learn more about regression equation

brainly.com/question/30738733

#SPJ4

Answer:

The answer should be 10:7.

Hey there!

40:28

= 40 ÷ 2 : 28 ÷ 2

= 20 : 14

= 20 ÷ 2 : 14 ÷ 2

= 10 : 7

Therefore, your answer is: 10:7

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer:

Step-by-step explanation:

we can two co-ordinates

(6,10)  and (0,2)

when we take gradient as m

m = 10-2/6-0

   = 8/6

   = 4/3

The intercept is +2

Therefore the the equation of the graph is y=4/3x+2

Answer:

when y =14 and x= 25 and v=? when added Calculate v

Because it permits one to assume that the sampling distribution of the mean would typically be normally distributed, the central limit theorem is helpful when examining big data sets. This makes statistical analysis and inference simpler.

Hypothesis :

In statistics, hypothesis testing is used to identify the variance in the group of data that results from genuine variation. Based on the presumptions, the sample data are taken from the population parameter. The hypothesis can be divided into many categories. A hypothesis is described in statistics as a formal statement that explains the relationship between two or more variables belonging to the specified population. It aids the researcher in converting the stated issue into an understandable justification for the study's findings. It provides examples of various experimental designs and guides the investigation of the research procedure.

To learn more about hypothesis visit: brainly.com/question/29519577

#SPJ4

Answer: I have no idea my friend but it's real hard Iwish you luck!

Answer:

16.

Step-by-step explanation:

The formula for a triangle is \(\frac{1}{2} * b * h\)

So, we take the triangle we see and but in in the formula.

\(\frac{1}{2} * 2 * 3 = 3.\)

Multiply that by 4, because there are four triangles that size.

\(3 * 4 = 12.\)

Now, we multiply 2 times 2 because that's the surface area for the bottom.

\(2 * 2 = 4.\)

Now, we add the two.

\(12 + 4 = 16.\)

The value of the inequality -4(x - 6) < 22 will be x < 1/2.

Inequalities are simply created through the connection of two expressions. In this case, it should be noted that the expressions in an inequality are not always equal. Inequalities implies that the expressions are not equal. Here, they are denoted by the symbols ≥ < > ≤.

The process of solving an inequality using the Distributive Property is similar to solving an equation using the Distributive Property. Both involve simplifying expressions by distributing terms to isolate the variable. However, the only difference is that in an inequality, you have to be careful about the direction of the inequality symbol and make sure to reverse it if you multiply or divide both sides by a negative value.

The value of the inequality will be:

-4(x - 6) < 22

-4x + 24 < 22

Collect the like terms

-4x < 22 - 24

-4x < -2

Divide

x < -2/-4

x < 1/2

Learn more about inequalities on:

https://brainly.com/question/24372553

#SPJ1

Therefore, the component form of the resultant vector is (41, -15). The given problem involves finding the resultant of two vectors.

We are given vector a in component form as (1, -3) and vector b in component form as (-1, 2). We are required to find the component form of the vector 46 - 5a.

To find the component form of 46 - 5a, we first need to find the component form of -5a. To do this, we multiply each component of vector a by -5 to get (-5, 15).

Next, we add 46 and -5a component-wise to get the component form of the resultant vector as:

46 - 5a = (46 - 5, 0 - 15) = (41, -15)

Therefore, the component form of the resultant vector is (41, -15).

In summary, to find the component form of the resultant vector 46 - 5a, we first found the component form of -5a by multiplying each component of vector a by -5.

Next, we added 46 and -5a component-wise to get the component form of the resultant vector as (41, -15).

To Know More about multiply  click here

brainly.com/question/25114566

#SPJ11

what do you want help with?

Answer:

6

Step-by-step explanation:24 divided by 4

Answer:

Each sibling receives 8 video games.

Step-by-step explanation:

24 : 3 = 8

Answer:

3 miles per gallon

Step-by-step explanation:

Given that :

Pickup SUV:

84 miles traveled on 4 gallons of gas

SUV:

72 miles traveled on 3 gallons of gas

How many more miles per gallon did the SUV get than the truck?

Calculating the miles per gallon for each vehicle :

Pickup SUV:

Miles per gallon :

Number of miles traveled / gallons of gas used ;

84 miles / 4 gallons = 21 miles per gallon

SUV:

72 Miles / 3 gallons = 24 miles per gallon

Difference ; (24 - 21) = 3 miles per gallon

Hence, SUV has 3 miles per gallon more Than the pickup SUV

The distance Leah would have to walk home is 1.5 miles

From the question, we are to determine the distance Leah will have to walk home

From the given information,

Price of journey in pounds = 3 + 2 × distance in miles

Let the distance be d

Then,

Price of journey in pounds = 3 + 2d

Since Leah has £5, we can write that

5 = 3 + 2d

5 - 3 = 2d

2 = 2d

∴ d = 2/2

d = 1 mile

This means her money can only cover 1 mile

But the journey to her home is 2.5 miles

Therefore, she will have to walk

2.5 mile - 1 mile  = 1.5 miles

Hence, the distance Leah would have to walk home is 1.5 miles

Learn more on Calculating distance here: https://brainly.com/question/14294518

#SPJ1

The particular solution satisfying the initial conditions is y(t) = (1/2)*cos(2t) - (1/8)*sin(2t) + (1/4)t - 1/2 and the graph has been plotted.

The given differential equation is y′′ + 4y = (t − ) − (t − 2). To solve this equation, we will first find the general solution to the homogeneous part, y′′ + 4y = 0, and then find a particular solution to the non-homogeneous part, (t − ) − (t − 2).

The characteristic equation for the homogeneous part is obtained by assuming the solution is of the form. Substituting this into the equation, we get r² + 4 = 0. Solving this quadratic equation, we find two complex roots: r = ±2i. Therefore, the general solution to the homogeneous part is y_h(t) = c₁cos(2t) + c₂sin(2t), where c₁ and c₂ are arbitrary constants.

To find a particular solution to the non-homogeneous part, we will use the method of undetermined coefficients. Since the non-homogeneous part contains terms (t − ) and (t − 2), we assume a particular solution of the form y_p(t) = At + B, where A and B are constants to be determined.

Taking the derivatives, we have y′_p(t) = A and y′′_p(t) = 0. Substituting these into the differential equation, we get 0 + 4(At + B) = (t − ) − (t − 2). Equating the coefficients of the like terms on both sides, we get 4A = 1 and 4B = -2.

Solving these equations, we find A = 1/4 and B = -1/2. Thus, the particular solution is y_p(t) = (1/4)t - 1/2.

The general solution to the original differential equation is given by the sum of the homogeneous and particular solutions: y(t) = y_h(t) + y_p(t).

y(t) = c₁cos(2t) + c₂sin(2t) + (1/4)t - 1/2.

We are given the initial conditions y(0) = 0 and y′(0) = 0.

Substituting these values into the general solution, we get:

y(0) = c₁cos(0) + c₂sin(0) + (1/4)*0 - 1/2 = 0.

This equation simplifies to c₁ - 1/2 = 0, which gives c₁ = 1/2.

Differentiating the general solution with respect to t, we get:

y′(t) = -2c₁sin(2t) + 2c₂cos(2t) + 1/4.

Substituting t = 0 and y′(0) = 0 into the above equation, we have:

y′(0) = -2c₁sin(0) + 2c₂cos(0) + 1/4 = 0.

This equation simplifies to 2c₂ + 1/4 = 0, which gives c₂ = -1/8.

Therefore, the particular solution satisfying the initial conditions is:

y(t) = (1/2)*cos(2t) - (1/8)*sin(2t) + (1/4)t - 1/2.

The graph will show how the solution varies with the input value t. It will illustrate the oscillatory nature of the cosine and sine functions, along with the linear term (1/4)t, which represents a gradual increase. The initial condition y(0) = 0 ensures that the graph passes through the origin, and y′(0) = 0 implies the absence of an initial velocity.

To know more about graph here

https://brainly.com/question/17267403

#SPJ4

The value of x is 94.8

Trigonometric Ratios are defined as the values of all the trigonometric functions based on the value of the ratio of sides in a right-angled triangle. The ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.

Sin(tetha) = opp/hyp

cos (tetha) =adj/hyp

tan (tetha) =opp/adj

67 is the opposite and x is the hypotenuse in the triangle

sin45 = 67/x

1/√2 = 67/x

x = 67√2

x= 94.8( nearest tenth)

therefore the value of x is 94.8

learn more about trigonometric ratio from

https://brainly.com/question/24349828

#SPJ1

Answer:

Step-by-step explanation:

A rectangular pyramid has five sides. It consists of a rectangular base and four triangular faces that meet at a common vertex or apex.

≧◉◡◉≦

It would take the sample (in years) to decay to 17% of its original amount ≈ 19.432 years. The formula for exponential decay is given by,\(A = A₀e^(-kt)\)

\(0.95 = e^(-2k\)
\(ln 0.95 = -2kln e-ln 0.95/2 = k0.05129329439 ≈ k\)
Now we can substitute this value for k,
\(A₀ = 1, A = 0.17\) and solve for \(t.0.17 = 1e^(-0.05129329439t)e^(-0.05129329439t) = 0.17\)
\(ln e^(-0.05129329439t) = ln 0.17-0.05129329439t = ln 0.17t = ln 0.17/-0.05129329439t ≈ 19.432 years\)
Therefore, it would take the sample (in years) to decay to 17% of its original amount ≈ 19.432 years.

we are given that the tritium-3 decayed to 95% of its original amount after 2 years.
The formula for exponential decay is given by,A = A₀e^(-kt)

To find the decay constant, we can use the information given.After 2 years, the amount remaining is 95% of the original amount. So the initial amount, A₀, is 1 and the final amount, A, is 0.95. We can substitute these values in the formula and solve for k.
Now we can substitute this value for k, \(A₀ = 1, A = 0.17\)and solve for t.

Therefore, it would take the sample (in years) to decay to 17% of its original amount ≈ \(19.432 years\).

To know more about decay visit:-

https://brainly.com/question/32239385

#SPJ11

The correct option is the fourth one, the slope and y-intercept are different.

Here we have the linear equation:

3x - 5y = 4

We know that it is dilated by a scale factor of 5/3, so let's find the dilation.

We can rewrite the linear equation as:

-5y = 4 - 3x

y =  (3/5)x - 4/5

Now let's apply the dilation:

y = (5/3)*[ (3/5)x - 4/5]

y = x - 4/3

Then we can see that the slope and the y-intercept are different, the correct option is 4.

Learn more about linear equations at.

https://brainly.com/question/1884491

#SPJ1

Answer:

1.0346 x \(10^{22}\)

Since the exponent of the scientific notation is positive, move the decimal point  22  places to the right.

10,346,000,000,000,000,000,000

The standard notation will be 10346000000000000000000.

It is given that total distance from earth to sun is 1.0346 × \(10^{22}\)miles.

What will be the standard notation for this ?

What do you mean by the standard notation of a number ?

Standard notation of a number is when a number is written with only number digits i.e., the standard notation for 2 × \(10^{2}\) will be 200.

The total distance from earth to the sun would be written as ;

1.0346 x \(10^{22}\) miles.

We need to put the decimal point 22 places right ;

So , It can be written as ;

10346000000000000000000

Thus , standard notation will be 10346000000000000000000.

To learn more about decimal's click here ;

https://brainly.com/question/21400177

#SPJ2

Answer:

\(x\leq 76\)

Step-by-step explanation:

Let x = unknown number

⇒ \(\frac{8}{9}*(x-4)\leq 64\)

⇒ \(\frac{8(x-4)}{9} \leq 64\)

Multiply both sides by 9:

⇒ \(8(x-4)\leq 576\)

Expand brackets:

⇒ \(8x-32\leq 576\)

Add 32 to both sides:

⇒ \(8x\leq 608\)

Divide both sides by 8:

⇒ \(x\leq 76\)

Answer:

Dependent

Step-by-step explanation:

Two events are said to be dependent when the outcome of the first event is  related to the other.

When two events, A and B are dependent, the probability of occurrence of A and B is:

P(A and B) = P(A) · P(B|A)

https://brainly.com/question/13604758

#SPJ4

Two events are dependent if the occurrence of one is related to the probability of the occurrence of the other.

If two events A and B depend on each other, then the probability  of A and B occurring is

P(A and B) = P(A)  P(B|A)

Two events are dependent if the occurrence of one is related to the probability of the occurrence of the other.

Learn more about dependent events here

https://brainly.com/question/27692683

#SPJ4

Answer:

B: 3

Step-by-step explanation:

The expression would be 14m + 23 = 65.

14m + 23 - 23 = 65 - 23 =

14m = 42

14m ÷ 14 = 42 ÷ 14 =

m = 3

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

Answer:

c=42

s=30

Step-by-step explanation:

Answer:

A. 18x - 3y = 6

Step-by-step explanation:

By taking 3 common from the terms 18x and 3y we get,

3 (6x-3y) = 6

or, 6x - y = 6/3

or, 6x - y = 2

And,

The equation becomes,

y = 6x - 2

The equation has exactly one solution in common with the equation y=6x-2 will be 18x - 3y = 6. The correct option is A.

A finite set of equations for which common solutions are sought is referred to in mathematics as a set of simultaneous equations, often known as a system of equations or an equation system.

An equation is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

By taking 3 commons from the terms 18x and 3y we get,

3 (6x-3y) = 6

6x - y = 6/3

6x - y = 2

The equation becomes,

y = 6x - 2

Therefore, the equation has exactly one solution in common with the equation y=6x-2 will be 18x - 3y = 6. The correct option is A.

To know more about equations follow

https://brainly.com/question/2972832

#SPJ2

Answer:

19

Step-by-step explanation:

If g(x) = \(x^{2} + 3\), then we will substitute 4 in for x, giving us:

\(4^{2} + 3\)

Simplifying:

\(16 + 3 = 19\)

So g(4) = 19.

Hope this helped!

The trick in here is to break the composite figure into parts.

1. Calculate area of the circle

5.1^2*pi*(120/360) = 27.24

2. Calculate area of the rectangular prism

5.1*3.2 = 16.32

3. Calculate the are of the triangle

5.1*(7.4-3.2)*0.5 = 10.71

4. Add them up

27.24 + 16.32 + 10.71 = 54.27

Answer: 54.27

The weighted average cost of capital (WACC) for company C is 6.63%.

The weighted average cost of capital (WACC) is a financial metric that represents the average rate of return a company must earn on its investments to satisfy its shareholders and creditors. It takes into account the proportion of debt and equity in a company's capital structure and the respective costs associated with each.

To calculate WACC, we need to consider the cost of debt and the cost of equity. The cost of debt is the interest rate a company pays on its debt, adjusted for taxes. In this case, the pre-tax cost of debt is 2% and the tax rate is 24%. Therefore, the after-tax cost of debt is calculated as (1 - Tax Rate) multiplied by the pre-tax cost of debt, resulting in 1.52%.

The cost of equity represents the return required by equity investors to compensate for the risk associated with owning the company's stock. Here, the cost of equity for company C is 6%.

The debt represents 10% of the total capital, while the equity represents the remaining 90%. To calculate the weighted average cost of capital (WACC), we multiply the cost of debt by the proportion of debt in the capital structure and add it to the cost of equity multiplied by the proportion of equity.

WACC = (Proportion of Debt * Cost of Debt) + (Proportion of Equity * Cost of Equity)

In this case, the calculation is as follows:

WACC = (0.10 * 1.52%) + (0.90 * 6%) = 0.152% + 5.4% = 6.552%

Therefore, the weighted average cost of capital (WACC) for company C is approximately 6.63%.

Learn more about weighted average cost of capital

brainly.com/question/30746642

#SPJ11

Answer:

a

Step-by-step explanation:

We conclude that less than 30% of teen girls smoke to stay thin.

Let p be the percentage of teen girls who smoke to stay thin.

So, the Null Hypothesis,(\(H_{0}\)):

p≥ 30%

This means that at least 30% of teen girls smoke to stay thin

Alternate Hypothesis,(\(H_{A}\)) :

p < 30%

This means that less than 30% of teen girls smoke to stay thin.

The test statistics that would be used here

One sample z proportion statistics:

T.S = p' - p/ \(\sqrt{p'(1-p')/n}\) ≈N( 0,1)

Here p'= sample percent of teen girls who smoke to stay thin = 63/ 273 = 0.231

n = number of sample of teen girls = 273

Now putting these values we have:

Test statistics = 0.231 - 0.30/ \(\sqrt{0.231( 1- 0.231)/ 273}\)

                      = -2.705

So we get the value of z-test statistics as - 2.705.

As there is not provided in the question that the level of significance so we assume it to be 5%. Now at a 5% significance level, the z table gives the critical value of -1.645 for left- the tailed test.

As test statistics is less than the critical value of z that is -2.705< -1.645. So we reject our null hypothesis as will fall in reject our null hypothesis as it will fall in the rejection region due to which we reject our null hypothesis.

Therefore we get that less than 30% of teen girls smoke to stay thin.

To know more about the test statistics refer to the link given below:

https://brainly.com/question/15110538

#SPJ4

Answer:

The third option is wrong becuase x isn't a defined variable, and they specified that the book must be at least 250 pages, which means that it can't be less.

Answer: x^6+6x^4+8x^2+2

Step-by-step explanation:

Since g comes after f then you will take g's equation and plug it into the f equation so it would turn out to be if you plugged it in

(x^2+2)^3-4(x^2+2)+2 which would equal x^6+6x^4+8x^2+2