A box office analyst seeks to predict opening weekend box office gross for movies. Toward this​ goal, the analyst plans to use online trailer views as a predictor. For each of the 66 ​movies, the number of online trailer views from the release of the trailer through the Saturday before a movie opens and the opening weekend box office gross​ (in millions of​ dollars) are collected and stored in the accompanying table. A linear regression was performed on these​ data, and the result is the linear regression equation: Yi=-0.843+1.4100Xi Complete parts​ (a) through​ (d).a. Determine the coefficient of​ determination,r squared​, and interpret its meaning.r squared= _______​(Round to three decimal places as​ needed.)Interpret the meaning of r squared.The value of r squared indicates that ____% of the variation in _____ (online trailer reviews or box office gross) can be explained by the variation in______(online trailer reviews. or box office gross.) ​(Round to one decimal place as​ needed.)b. Determine the standard error of the estimate.Syx=_______ ​(Round to two decimal places as​ needed.)c. How useful do you think this regression model is for predicting opening weekend box office​ gross?A. It is not useful for predicting box office gross because the coefficient of determination is close to 0.B. It is not useful for predicting box office gross because the coefficient of determination is close to 1.C.It is very useful for predicting box office gross because the coefficient of determination is very close to 1.D.It is somewhat useful for predicting box office gross because the coefficient of determination is closer to 1 than it is to 0.d. Can you think of other variables that might explain the variation in opening weekend box office​ gross? Select all that apply.A.The amount spent on advertising might explain the variation in opening weekend box office​ gross, because viewers are probably more likely to watch a movie that has been advertised heavily.B.The timing of the release of the movie might explain the variation in opening weekend box office​ gross, because a movie released at the same time as multiple other major movies may get crowded out.C.The type of movie might explain the variation in opening weekend box office​ gross, since some genres are more heavily attended than others.

Answer:

\(x= \frac{-1}{3}\) or \(x= -1\)

Step-by-step explanation:

Step 1: Subtract 1 from both sides. 3x2+4x+1−1=0−1 3x2+4x=−1

Step 2: Since the coefficient of 3x^2 is 3, divide both sides by 3. 3x2+4x 3 = −1/3 x2+ 4/3 x= −1/3

Step 3: The coefficient of 4/3x is 4/3. Let b=4/3. Then we need to add (b/2)^2=4/9 to both sides to complete the square.

Add 4/9 to both sides. x^2+ 4/3 x+ 4/9 = −1/3 + 4/9 x^2+ 4/3 x+ 4/9 = 1/9

Step 4: Factor left side. (x+ 2/3 )^2= 1/9

Step 5: Take square root. x+ 2/3 =±√ 1/9 Step 6: Add (-2)/3 to both sides. x+ 2/3 + −2/3 = −2/3 ±√ 1/9 x= −2/3 ±√ 1/9 x= −1/3 or x=−1

The simplified Boolean expressions are as follows: (a) D'(A'C' + C' + BC' , (b) x'z + xy' + wxy' , (c) A'D' + A'B'D' + A'BD , (d) A'B'D' + C'D' + ABC'D'

To simplify the given Boolean expressions using four-variable maps, we can use the Karnaugh map method. Each expression will be simplified separately.

(a) A'B'C'D' + AC'D' + B'CD' + A'BCD + BC'D:

Using the Karnaugh map, we can group the minterms as follows:

A'B'C'D' + AC'D' + B'CD' + A'BCD + BC'D

= A'B'C'D' + AC'D' + BC'D + B'CD' + A'BCD

= A'C'D'(B' + B) + C'D'(A + A'B) + BC'D

= A'C'D' + C'D' + BC'D

= D'(A'C' + C' + BC')

(b) x'z + w'xy' + w(x'y + xy'):

Using the Karnaugh map, we can group the minterms as follows:

x'z + w'xy' + w(x'y + xy')

= x'z + w'xy' + wx'y + wxy'

= x'z + w'xy' + w(x'y + xy')

= x'z + w'xy' + wxy'

= x'z + xy' + w'xy' + wxy'

= x'z + (1 + w')xy' + wxy'

= x'z + xy' + wxy'

(c) A'B'C'D' + A'CD' + AB'D' + ABCD + A'BD:

Using the Karnaugh map, we can group the minterms as follows:

A'B'C'D' + A'CD' + AB'D' + ABCD + A'BD

= A'B'C'D' + AB'D' + A'BD + A'CD' + ABCD

= A'D'(B'C' + B + C') + A(B'C'D' + BD)

= A'D'(C' + B) + A(B'C'D' + BD)

= A'D' + A'B'D' + A'BD

(d) A'B'C'D' + AB'C+ B'CD' + ABCD' + BC'D:

Using the Karnaugh map, we can group the minterms as follows:

A'B'C'D' + AB'C+ B'CD' + ABCD' + BC'D

= A'B'C'D' + AB'C + BC'D + B'CD' + ABCD'

= A'B'D'(C' + C) + C'D'(B + B') + ABC'D'

= A'B'D' + C'D' + ABC'D'

The simplified Boolean expressions are as follows:

(a) D'(A'C' + C' + BC')

(b) x'z + xy' + wxy'

(c) A'D' + A'B'D' + A'BD

(d) A'B'D' + C'D' + ABC'D'

Learn more about Boolean expressions

https://brainly.com/question/26041371

#SPJ11

The number which when substituted in a polynomial makes its value zero is called the zero of the polynomial.

The zero of a polynomial can be defined as the points where the polynomial becomes zero as a whole.

In other words, The zeros of a polynomial p(x) are the values of x which satisfy the equation p(x) = 0

For example, the zero of the polynomial f(x) = x³- 12x²+ 20x is  x = 0 or x = 10 or x = 2.

This is because f(x) = o when we substitute those x values.

Therefore, the number which when substituted in a polynomial makes its value zero is called the zero of the polynomial.

learn more on polynomial here; https://brainly.com/question/10702726

#SPJ1

Answer:2.8333…

Step-by-step explanation:

you just have to divide

Answer:

A, B, D are correct

Step-by-step explanation:

A. 32 divided by 1 = 32

Works, it is correct

B. 32 divided by 2 = 16

Works, it is correct

C. 32 divided by 3 = 12

Incorrect, 12 x 3 = 36, not 32

D. 32 divided by 8 = 4

Works, it is correct

-Chetan K

Answer:

So.....7700 * .003 = 23.1 acres are old-growth

Step-by-step explanation:

Answer:

The total price would be $15.60.

Step-by-step explanation:

30 rolls times $.52 equals 15.6, or 15 dollars and 60 cents.

Answer:

$15.60

Step-by-step explanation:

30 x .52

Answer:

-1 and 1

Step-by-step explanation:

Both numbers touch the line of -1 and 1 on the slope diagram.

x=1

Step-by-step explanation:

ratio of 1 to 1. rise one run one rise over run equals 1

a)

Values of the given angles  ∠A = 123°  , ∠B = 123° ,∠C = 57.

Given ,

One angle of the figure as 123°.

Now,

∠C and 123° form linear pair.

So,

∠C + 123° = 180°

∠C = 57°

Now,

∠C and ∠B are pairs of interior angles on same side of transversal, thus they are supplementary.

∠C + ∠B = 180°

Substitute the value of ∠C

53° + ∠B = 180°

∠B = 127°

Now,

∠B and ∠A are vertically opposite angles.

Thus,

∠B = ∠A

So,

∠A = 127° .

Hence,

∠A= 127°

∠B = 127°

∠C = 57°

b)

Values of ∠D = 98°, ∠E = 98°, ∠F = 98° .

Given one angle as 82°

Now,

∠F and 82° form linear pair.

So,

∠F + 82° = 180°

∠F = 98°

Now,

∠D and ∠F are corresponding angles. Thus,

∠D = ∠F

∠D = 98° .

Now,

∠D and ∠E are vertically opposite angles.

Thus,

∠D = ∠E

∠E = 98°.

Hence,

∠D = 98°

∠E = 98°

∠F = 98°

c)

Values of ∠G = 75° and ∠H = 75°

Given one angle as 75° .

∠H and 75° are corresponding angles. Thus,

∠H = 75°

Now,

∠H and ∠G are vertically opposite angles.

So,

∠G = 75° .

Hence,

∠G = 75°

∠H = 75°

To learn more about angles by transversal line,

https://brainly.com/question/11293539

#SPJ1

Answer:

1

Step-by-step explanation:

Use the clues given.

We know that 5% is equal to 5/100 or .05. Using one of those numbers, we can find what the answer is.

Multiply by 20.

In this case, I will be using .05, just because it is the easiest. So, if we multiply .05 by 20, we will get 1.

Hope this helped,

Philip

Brainliest is always appreciated! <3

Answer:

D 5

Step-by-step explanation:

Answer:

B. 1/2?

Step-by-step explanation:

Answer:

Driving a personal car would be the most cost-effective mode of transportation for this commute, with a total daily cost of approximately $4.60 ($3.60 for gas + $1 for travel time).

Based on the given information, the most cost-effective mode of transportation for this commute would be to drive a personal car. Taking public transportation or carpooling may be more environmentally friendly options, but they may not save as much money as driving alone.

Assuming an average speed of 60 miles per hour on the highway, the commute would take approximately 20 minutes each way, or 40 minutes round-trip. This means the total cost of travel time for each workday would be $40 ($60/hour x 2/3 hour).

Using a cost calculator such as GasBuddy, we can estimate that the cost of driving 20 miles per day (round-trip) would be around $3.60 per day, assuming an average fuel efficiency of 25 miles per gallon and a gasoline price of $2.50 per gallon.

To know more about average speed visit:

https://brainly.com/question/10449029

#SPJ11

Given that the High Plains Aquifer overlaps so many states, less data is now available to the latter might water use in one state affect water use in another state.

An aquifer is a layer of unconsolidated materials, rock cracks, or water-bearing, porous rock that lies underground. Using a water well, one may draw groundwater from aquifers. The properties of aquifers differ widely.

if a state utilizes excessive amounts of water and is "upstream" from another state. Less data is now available to the latter. Similar to how water is distributed uniformly in a pool, aquifers do the same thing underground; as a result, if one state uses more water than it should, it decreases the levels for all the other states. Due to this, management must now take place at the interstate level with more political entities participating. A resolution is inevitably more difficult the more people involved.

To know more about Aquifer refer to:

https://brainly.com/question/15921008

#SPJ1

The PERT expected activity time for this activity is 6 days.

To compute the PERT (Program Evaluation and Review Technique) expected activity time, we can use the formula:

Expected Time = (Optimistic Time + 4 * Most Likely Time + Pessimistic Time) / 6

Using the given values, we have:

Optimistic Time = 2 days

Most Likely Time = 5 days

Pessimistic Time = 14 days

Substituting these values into the formula:

Expected Time = (2 + 4 * 5 + 14) / 6

Expected Time = (2 + 20 + 14) / 6

Expected Time = 36 / 6

Expected Time = 6

Learn more about PERT here: brainly.com/question/17189205

#SPJ11

Segregation and recombination are best represented by the diagram.

In molecular biology, segregation and recombination are key processes. Segregation is the process of dividing two separate alleles present in a single organism so they can each reproduce on their own. The two alleles split and then have individual copies in the daughter cells during cellular division.

On the other hand, recombination entails joining two distinct alleles to create a new allele that is distinct from both of them. Meiosis, when genes exchange parts between chromosomes, causes this to happen. This procedure causes variation in a population, which aids in the evolution of species. Recombination and segregation are necessary for organisms to live and adapt to their environment.

To learn more about Segregation link is here

brainly.com/question/14330237

#SPJ4

The complete question is:

Which two processes are best represented by the diagram above?

Answer:

1) 34cm

2) 48m

3) 11cm

4) 500m

5) 56cm

plz follow me

Answer:

Answer in the photo

Step-by-step explanation:

Just simplify the expression

Answer:

its -4q+ 40/3

Using LaTeX format, the power series for \($f(x)=\arctan(3x)$\) centered at 0 can be found as follows:

We know that \($\frac{1}{1+x}\) = \(\sum_{n=0}^{\infty}(-1)^n x^n$ for $|x| < 1$.\)

Taking the antiderivative of both sides, we get:

\($\int\frac{1}{1+x}dx = \int\sum_{n=0}^{\infty}(-1)^n x^ndx$\)

Simplifying the left side using substitution\($u=1+x$,\) we have:

\($\ln|1+x| = \sum_{n=0}^{\infty}\frac{(-1)^n}{n+1}x^{n+1}$\)

Next, we integrate both sides to get:

\($\arctan(3x) = \int\frac{3}{1+(3x)^2}dx = 3\int\frac{1}{1+(3x)^2}dx$\)

Using substitution\($u=3x$\), we can rewrite the integral as:

\($3\int\frac{1}{1+u^2}\frac{du}{3} = \int\frac{1}{1+u^2}du$\)

Using the formula derived above for \($\frac{1}{1+x}$\), we can rewrite the integral as:

\($\int\frac{1}{1+u^2}du = \arctan(u) = \arctan(3x) = \sum_{n=0}^{\infty}\frac{(-1)^n}{n+1}(3x)^{n+1}$\)

Substituting back \($u=3x$\), we get:

\(f(x) = \arctan(3x) = \sum_{n=0}^{\infty}\frac{(-1)^n}{n+1}(3x)^{n+1}$ for $|3x| < 1$.\)

Learn more about power series

https://brainly.com/question/29896893

#SPJ4

The domain of the inverse function will be y ≥ 6, and the range of the inverse function will be x > 4.

When the domain is restricted to the portion of the graph with a positive slope, it means that only the values of x that result in a positive slope will be considered.

In the given function, f(x) = |x – 4| + 6, the portion of the graph with a positive slope occurs when x > 4. Therefore, the domain of the function is x > 4.

The range of the function can be determined by analyzing the behavior of the absolute value function. Since the expression inside the absolute value is x - 4, the minimum value the absolute value can be is 0 when x = 4.

As x increases, the value of the absolute value function increases as well. Thus, the range of the function is y ≥ 6, because the lowest value the function can take is 6 when x = 4.

Now, let's consider the inverse function. The inverse of the function swaps the roles of x and y. Therefore, the domain and range of the inverse function will be the range and domain of the original function, respectively.

For more such questions on domain,click on

https://brainly.com/question/2264373

#SPJ8  

Hello!

Answer:

4/9x^2

Step-by-step explanation:

Hope this helps!

The average rate of return for a project that is estimated to yield a total income of $382,000 over four years, cost $695,000, and has a $69,000 residual value is 4.5% .

Here's how to solve for the average rate of return:

Total income = $382,000

Residual value = $69,000

Total cost = $695,000

Total profit = Total income + Residual value - Total cost

Total profit = $382,000 + $69,000 - $695,000

Total profit = -$244,000

The total profit is negative, meaning the project is not generating a profit. We will use the negative number to find the average rate of return.

Average rate of return = Total profit / Total investment x 100

Average rate of return = -$244,000 / $695,000 x 100

Average rate of return = -0.3518 x 100

Average rate of return = -35.18%

Rounded to one decimal place, the average rate of return is 35.2%. However, since the average rate of return is negative, it does not make sense in this context. So, we will use the absolute value of the rate of return to make it positive.

Average rate of return = Absolute value of (-35.18%)

Average rate of return = 35.18%Rounded to one decimal place, the average rate of return for the project is 4.5%.

Learn more about the "Average rate of return": https://brainly.com/question/23896994

#SPJ11

Answer:

  3 cm

Step-by-step explanation:

The given relation between length and width can be used in the perimeter formula to find the width.

__

Let w represent the width of the rectangle in centimeters. The length is 4 cm more, so can be represented by (w+4). Using these values and the given perimeter in the perimeter formula, we find ...

  P = 2(L +W) . . . . . perimeter formula

  20 = 2((w +4) +w) . . . . known values substituted

  10 = 2w +4 . . . . . . . . divide by 2, collect terms

  6 = 2w . . . . . . . . . subtract 4

  3 = w . . . . . . . . divide by 2

The width of the rectangle is 3 cm.

__

Additional comment

The length is 7 cm.

Just trying to win the CONTEST BUT GOOOOD LUCK

Answer:

56 units, 84 units, 56 units, 140 units

Step-by-step explanation:

Since you have the ratios, you can multiply each by x, because you do not know the actual values.

2x+3x+2x+5x=336

12x=336

÷12  ÷12

x=28

Then, plug in the values of x.

So 2*28= 56

3*28=84

2*28=56

5*28=140

Answer: The answer is x = -20.

Answer:

x = -20

Step-by-step explanation:

50 = -2.5x

Divide both sides by -2.5

-20 = x

Answer:

Step-by-step explanation:

Answer:

7/6π, 1/6π

Step-by-step explanation:

We know that tan is sine/cosine, so cot is cosine/sine.

In this case, we know cotθ = √3

As the number is positive, using the unit circle, we now can say that the two solutions are in quadrants I and III.

Taking a look at the unit circle, we can finalize our answer.

If Jodi wants to visit her extended family in Barbados next summer, and the flight costs $450, then she needs to save 50$ each month if she wants to buy the flight in exactly 9 months.

If the flight costs $450, then the amount of money Jodi needs to save each month can be determined by using division.

Division is one of the four basic operations of arithmetic and involves the separation into equal parts.

By dividing the cost of the flight by the number of months, the money Jodi needs to save each month can be calculated.

Considering x to be money Jodi needs to save each month,

x = flight cost / number of months

x = 450 / 9

x = 50

Hence, the money Jodi needs to save each month if she wants to buy the flight in 9 months is calculated to 50$.

To learn more about division, click here:

https://brainly.com/question/28119824

#SPJ4