Question 3(Multiple Choice Worth 1 points)
(01.01 LC)
Evaluate the expression 5(7-4)2 + 3 + 11.
3
14
26
33

Answer:

C.

Step-by-step explanation:

You would take your servings (3) and multiply it by .20.

The, you would just add the 70 into the equation.

3 x .20 = .60, 70 + .60 is 70.60 :)

Hope this helps!

The area of the computer monitor display is approximately 0.103 square meters, with three significant figures.

The area of the monitor display in square meters is found by converting the measurements from inches to meters and then calculate the area.

The conversion factor from inches to meters is 0.0254 meters per inch.

Width in meters = 14.60 inches * 0.0254 meters/inch

Height in meters = 10.95 inches * 0.0254 meters/inch

Area = Width in meters * Height in meters

We calculate the area:

Width in meters = 14.60 inches * 0.0254 meters/inch = 0.37084 meters

Height in meters = 10.95 inches * 0.0254 meters/inch = 0.27813 meters

Area = 0.37084 meters * 0.27813 meters = 0.1030881672 square meters

Now, we determine the number of significant figures.

The measurements provided have four significant figures (14.60 and 10.95). However, in the final answer, we should retain the least number of significant figures from the original measurements, which is three (10.95). Therefore, the answer should have three significant figures.

Thus, the area of the monitor display in square meters is approximately 0.103 square meters, with three significant figures.

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After using the formula of a trapezoid, we know that the area is 25 units².

The size of a patch on a surface is determined by its area.

Surface area refers to the area of an open surface or the boundary of a three-dimensional object, whereas the area of a plane region or plane area refers to the area of a form or planar lamina.

The shape can also be placed on a grid, and the number of squares can be counted: The area of the rectangle is 15.

For instance, if each square is 1 meter in size, the area is 15 m² (15 square meters).

So, we  have the vertices as follows:

A(−3, 2), B(2, 2), C(2, −4), and D(−3, −2)

See, the plotted vertices on the graph.

The figure is a trapezoid.

The area of a trapezoid is as follows:

A = 1/2(AD+BC)AB

Now, find the distance:

AD = 4

BC = 6

AB = 5

Substitute as follows:

A = 1/2(4+6)5 = 25 units²

Therefore, after using the formula of a trapezoid, we know that the area is 25 units².

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Answer:

Zero

Step-by-step explanation:

Solve the equation by subtracting 8z from both sides:

8z − 5 = 8z

-5 = 0

-5 \(\neq\) 0

This is a false statement, because -5 is not equal to zero.

This means that there are no solutions to the equation.

So, the equation has zero solutions

Because both sides of the equation have the same variable ( they both have 8x) this equation does not have any solutions.

a) The forecast is approximately miles. b) the Mean Absolute Deviation (MAD) based on the forecast is approximately miles. c) The forecast for year 6 is approximately miles. d) the last forecast is 3,468 miles.

a) To calculate the forecast for year 6 using a 2-year moving average, we take the average of the mileage for years 5 and 4. This provides us with the forecasted value for year 6.

b) The Mean Absolute Deviation (MAD) for the 2-year moving average forecast is calculated by taking the absolute difference between the actual mileage for year 6 and the forecasted value and then finding the average of these differences.

c) When using a weighted 2-year moving average, we assign weights to the most recent and previous periods. The forecast for year 6 is calculated by multiplying the mileage for year 5 by 0.40 and the mileage for year 4 by 0.60, and summing these weighted values.

The MAD for the weighted 2-year moving average forecast is calculated in the same way as in part b, by taking the absolute difference between the actual mileage for year 6 and the weighted forecasted value and finding the average of these differences.

d) Exponential smoothing involves assigning a weight (α) to the most recent forecasted value and adjusting it with the previous actual value. The forecast for year 6 is calculated by adding α times the difference between the actual mileage for year 5 and the previous forecasted value, to the previous forecasted value.

In this case, with α=0.20 and a forecast of 3,100 miles for year 1, we perform this exponential smoothing calculation iteratively for each year until we reach year 6, resulting in the forecasted value of approximately 3,468 miles.

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Since there are a adults and c children

Since there are 187 tickets sold

Then the number of adults and children is 187

Add a and c, then equate the sum by 187

Since the price of each adult's ticket is $25

Since the price of each child ticket is $13

Since the total revenue is $3223

Then multiply a by 25, c by 13, then add the products and equate the sum by $3223

Now, we have a system of equations to solve it

Multiply equation (1) by -13 to make c equal in values and opposite in signs to eliminate it

Add equations (2) and (3)

Divide both sides by 12

Substitute a by 66 in equation (1) to find c

Subtract 66 from both sides

The answers are:

a) The system of equations is

b) There were 66 adult tickets sold

c) There were 121 children's tickets sold

The graph that shows a function and it's inverse is given as follows:

Graph D.

Suppose we have a function with definition given as follows:

y = f(x)

To obtain the inverse function, we must exchange the variables x and y, and then isolate the variable y.

This entire procedure is equivalent to a reflection over the line y = x, hence the third option is the correct option for this problem.

The reflection rule is given as follows:

(x, y) -> (y,x).

Hence:

Hence graph D represents a function and it's inverse in the context of this problem.

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Answer:

k=8

Step-by-step explanation:

For 2 lines to be parallel, they must have the same slope. First, let's isolate y.

5y=2x+2

y=2/5x+2/5

Now, in our second equation, we must make it so that the slope is 2/5.

5(4)=20

2(4)=k

k=8

y=8/20x+10

If you simplify that, then the slope will be 2/5.

Answer:

false. very simple hope it helps

Square tile with measure of each side is 16inches have area equals to 1652 centimeters( round off to nearest square centimeters).

As given in the question,

Measure of each side length of a square tile = 16 inches

Conversion

1 inch = 2.54 centimeters

16 inches = ( 16 × 2.54 )centimeters

                = 40.64centimeters

Area of a square tile is :

= ( Side length ) × ( Side length)

= (40.64) × (40.64)

= 1651.6096 centimeters

= 1652 centimeters ( round off to nearest square centimeters)

Therefore, the area of a square tile with given measure of each side is equal to 1652 centimeters ( round off to nearest square centimeters).

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Given that there are 5:12 odds that Jeff’s socks are clean after a day at work on the construction site.

This means there are 5 chances that socks are clean and 12 chances that socks are not clean. There are total of 17 chances.

The probability that socks are clean after work is equal to the chances that socks are clean divided by all chances. that is 5/17.

The probability that the socks are not clean is 12/17. The probability that socks are not clean for 2 days in a row will be:

the probability that Jeff has clean socks all workweek (monday-friday) is given below:

Answer:

I think the solution is (p,q)=(-2,-5)

Answer: \(2x^{2} y^{3} (\sqrt[3]{4x^{2} y} )\)

Step-by-step explanation:

\(\sqrt[3]{32x^{8} y^{10} } =\sqrt[3]{2^{3} \cdot 2^{2} \cdot x^{2} \cdot (x^{2} )^{3} \cdot y \cdot (y^{3})^{3} } =2x^{2} y^{3} (\sqrt[3]{4x^{2} y} )\)

Answer:

Option C :

               \(\sqrt[3]{32x^8y^10} = 2x^2 y^3 \sqrt[3]{4x^2 y}\)

Step-by-step explanation:

\(\sqrt[3]{32x^8y^{10}}} = ( 32 x^8 y^{10})^{\frac{1}{3}}\)

              \(= ( 2^5 \times x^8 \times y^{10})^{\frac{1}{3}}\\\\= ( 2^{5\times\frac{1}{3}} \times x^{8 \times \frac{1}{3}} \times y^{10 \times \frac{1}{3}})\\\\=(2^{\frac{3}{3} + \frac{2}{3}}} \times x^{\frac{6}{3} + \frac{2}{3}} \times y^{\frac{9}{3} + \frac{1}{3}})\\\\= 2 \times 2^{\frac{2}{3}} x^2 \times x^{\frac{2}{3}} \times y^3 \times y^\frac{1}{3}\\\\=2x^2 y^3 \times 2^{\frac{2}{3} \times }x^{\frac{2}{3}} \times y^{\frac{1}{3}}\\\\=2x^2 y^3 (2^2x^2 y)^{\frac{1}{3}}\\\\= 2x^2y^3 \ \sqrt[3]{ \ 4 x^2 \ y }\)

Answer:

Number of stickers Sarah had = 28

Number of stickers she put on her binder = x.

Number of stickers left with her = 28 - x

Number of stickers Haylee had = 40

Number of stickers she put on her locker = 3x

Number of stickers left with her = 40 - 3x

Both Sarah and Haylee had the same number of stickers left.

28 - x = 40 - 3x

=> 3x - x = 40 - 28

=> 2x = 12

=> x =  = 6

Step-by-step explanation:

Multiple regression offers a more comprehensive and nuanced analysis by considering the influence of multiple predictors, capturing complex relationships, controlling for confounding variables, and enhancing predictive capabilities.

A study using multiple regression has several advantages over a study using bivariate correlation:

Multivariate analysis: Multiple regression allows for the inclusion of multiple predictor variables, which enables the examination of their individual contributions while controlling for the effects of other variables. This helps to identify the unique influence of each predictor on the outcome variable, considering their interrelationships.

Complex relationships: Multiple regression can capture complex relationships between variables by accounting for their combined effects. Bivariate correlation can only assess the linear relationship between two variables, whereas multiple regression can handle non-linear relationships and interactions between predictors.

Control of confounding variables: Multiple regression enables the control of confounding variables by including them as predictors in the model. By controlling for potential confounders, the relationship between the predictor and outcome variables can be more accurately assessed, reducing the likelihood of spurious associations.

Increased predictive power: Multiple regression can improve the predictive power of the model by incorporating multiple predictors. By considering multiple factors simultaneously, it can provide a more comprehensive understanding of the factors influencing the outcome variable and better predict its values.

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Answer:

Answer to the following question is as follows;

Step-by-step explanation:

Given:

Amount invested by Mr. Mohit = Rs. 50,00,000

Computation:

Books of (...... LTD)

Journal entries

Date                         Particular                        Debit        Credit

March 1         Cash                     A/C Dr.     50,00,000

                     To Capital            A/C Cr.                         50,00,000

(Being Amount invested in new business)

The number of the students should be sampled to be within 0.25  alcoholic drinks of population mean with 95% probability is 62.

α is the result of subtracting one from confidence interval as well as dividing by two.

α =  (1 - 0.95) ÷ 2 = 0.25

Find z in the Z-table because z does have a p-value of 1 - α.

As a result, the p-value of z is  (1 - 0.025) = 0.975.

Thus, z  = 1.96

Now find M as;

M = z × (σ ÷ √n)

In which,

When M = 1,

The standard deviation, in accordance with the question, is approximately 1.

σ = 1

M = z × (σ ÷ √n)

0. 25 = 1.96 × (1 ÷ √n)

√n = 1.96 × (1 ÷ √n)

Squaring both sides,

(√n)² = ((1.96 × 1) ÷ 0.25)²

n = (7.84)²

n = 61.4656

n ≈ 62

Thus, the number of the students should be sampled to be within 0. 25 alcoholic drink of population mean with 95% probability is 62.

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Answer:Perimeter =2l +2w

28=2(3x-2) + 2x

Width =4feet

Length =10feet

Step-by-step explanation:

Perimeter of rectangular garden =2(l+b)

Let the width be represented as X

And the length which is 3x-2

Such that the equation to solve for length and width be

Perimeter =2l +2w

28=2(3x-2) + 2x--- system of equation

Solving

28=2(3x-2) +2x

28=6x-4+2x

28=8x-4

28+4=8x

32=8x

X=32/8

X=4

Width =4

Length =3x-2=3x4-2=10

Answer:

you multiply what you want to be a percentage divide it by 100

Answer:

Just multiply the number that you want to take a percent of by the decimal version of that percent for example;

24% of 70

70 x .24 = 16.8

24% of 70 is 16.8

(You can also ask Siri to check your answer)

Step-by-step explanation:

Answer:

your answer will be 4/25

Step-by-step explanation:

.....

\( \sf Q) \frac{2 {}^{2} }{ {5}^{2} } = {?} \)

\( \sf \implies \frac{2 {}^{2} }{ {5}^{2} }\)

\( \sf \implies \frac{4}{25}\)is the required answer.

Answer:

you just edit it in your gallery, first rotait it in the right position and then revert it once

An EWMA control chart should be set up with = 0.2 and = 3 for the given process. The chart should be used to monitor the process over time and detect any shifts or changes in the data that may indicate a problem.

The explanation for this is that an EWMA control chart is a type of statistical process control tool that uses exponential weighting to track changes in a process over time. The chart is designed to detect small shifts in the data that may be missed by other control charts, making it a useful tool for monitoring processes that are prone to subtle changes.

the chart should be set up with = 0.2 and = 3 based on the parameters provided in the question. The chart should then be used to monitor the process data over time, looking for any patterns or trends that may indicate a problem with the process.

The chart. If the chart shows that the process is stable and within control limits, then no action may be necessary. However, if the chart detects a shift or change in the data that is outside of the control limits, then further investigation may be necessary to identify the root cause of the problem and take corrective action.

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Answer:

y = G(x) = 6, when x = -4

y = G(x) = -2, when x = 3

Step-by-step explanation:

From the attached graph tracing the first point to the graph and then to x axis.

y = G(x) = 6

as shown on the attachment(by the thick line)

y = G(x) = 6, when x = -4

From the attached graph tracing the second point to the graph and then to x axis.

y = G(x) = -2

as shown on the attachment(by the thin line)

y = G(x) = -2, when x = 3

Answer:

f = - \(\frac{15}{4}\)

Step-by-step explanation:

Given

f + \(\frac{1}{4}\) = - \(\frac{7}{2}\)

Multiply through by 4 ( the LCM of 2 and 4 ) to clear the fractions

4f + 1 = - 14 ( subtract 1 from both sides )

4f = - 15 ( divide both sides by 4 )

f = - \(\frac{15}{4}\)

The number of phones sold is 26 and the number of accessories sold is 30.

An equation is said to be linear if the maximum power of the variable is usually 1.  A linear equation with one variable has the standard form Ax + B = 0. In this case, x is the variable and A is the coefficient of x, and B is a constant.

In mathematical problems, 'x' stands for unknown value or quantity. Here we use the Linear equation concept to solve the problem.

Given that

Cameron earns an $11 commission for every phone he sells and a $2. 50 commission for every accessory he sells.

On a given day Cameron made a total of $361 in commission from selling a total of 56 phones and accessories sold. ​

Let x and y be the number of phones and accessories

Given that

Cameron made a total of $361 in commission

=> 11x + 2.5y = 361  ----- (1)

Total number of phones and accessories sold

=> x + y = 56

Multiply by 11

=> 11x + 11y = 616 ----- (2)

Do (2) - (1)

=> 11x + 11y - ( 11x + 2.5y) = 616 - 361

=> 11x + 11y - 11x - 2.5y = 255

=> 8.5y = 255

=> y = 255/8.5

=> y = 30  

Substitute y = 30 in x + y = 56  

=> x + 30 = 56

=> x = 26

Therefore,

The number of phones sold is 26 and the number of accessories sold is 30.

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The rate of sales is 2*(32/39)=64/39 per week.

To find the transition rate matrix Q, we need to consider the different possible inventory levels and the rates of transition between them. Let's label the states as 0, 1, 2, and 3, representing the number of computers in stock.

If there are 0 or 1 computers in stock, the arrival rate is 2 per week and the transition rate to the next state is 2. If there are 2 computers in stock, the arrival rate is still 2 per week, but the transition rate to the next state is 4 (since there are two opportunities for a customer to buy).

Finally, if there are 3 computers in stock, the arrival rate is 0 (since customers only buy when at least one computer is available), and the transition rate to the next state is 0 if there is no pending order, or 1/2 if there is.

The resulting transition rate matrix Q is:

[ -2   2   0   0 ]
[  2  -4   2   0 ]
[  0   2  -4 1/2 ]
[  0   0  1/2   0 ]

To find the stationary distribution for the inventory levels, we need to solve for the vector πQ=0, where π is the stationary distribution and Q is the transition rate matrix. Solving this system of equations, we get:

π0 = 16/39, π1 = 20/39, π2 = 4/13, π3 = 0

This means that the store is most likely to have 1 computer in stock, followed by 0, 2, and never 3.

To find the rate of sales, we need to consider the total arrival rate of customers, which is 2 per week. However, customers will only buy when at least 1 computer is available, which occurs with probability π1+π2+π3=20/39+4/13+0=32/39.

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(a) The transition rate matrix Q =
[ -2   2   0   0 ]
[  0  -1   0   1 ]
[  0   0  -1   1 ]
[  0   2   0  -2 ]
(b) The store will have 1 computer in stock about 14% of the time, 2 computers in stock about 29% of the time, and 3 computers in stock about 57% of the time.

(c) The store makes sales at a rate of 1 per week on average.

To find the transition rate matrix Q, we need to consider all the possible states of the system. In this case, the inventory level can be 0, 1, 2, or 3. Let's represent these states by 0, 1, 2, and 3, respectively. The transition rate from state i to state j is denoted by qij.

Starting with state 0, customers arrive at a rate of 2 per week and buy a computer if one is available. Therefore, the transition rate from 0 to 1 is q01 = 2. Since the store orders 2 more computers when it has only 1 left, the transition rate from 1 to 3 is q13 = 1/1 = 1 (because the order takes 1 week on average to arrive). Similarly, the transition rate from 2 to 3 is q23 = 1/1 = 1. Once the order arrives, the inventory level goes up by 2, so the transition rate from 3 to 1 is q31 = 2. Finally, the transition rates for staying in the same state are q00 = 0, q11 = 0, q22 = 0, and q33 = 0.

Putting all these transition rates in a matrix, we get

Q =
[ -2   2   0   0 ]
[  0  -1   0   1 ]
[  0   0  -1   1 ]
[  0   2   0  -2 ]

To find the stationary distribution for the inventory levels, we need to solve the equation Qπ = 0, where π is the vector of stationary probabilities. Since the sum of probabilities in any state must be 1, we also have the condition π0 + π1 + π2 + π3 = 1.

Solving the system of equations, we get

π = [ 1/7   2/7   2/7   2/7 ]

This means that the store will have 1 computer in stock about 14% of the time, 2 computers in stock about 29% of the time, and 3 computers in stock about 57% of the time.

Finally, to find the rate at which the store makes sales, we need to consider the transitions from states 1, 2, and 3 (since no sales can happen in state 0). The total rate of leaving these states is λ = q13π3 + q23π3 + q31π1 = 1/7 + 2/7 + 4/7 = 1. Therefore, the store makes sales at a rate of 1 per week on average.
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To graph a piecewise function, plot the different parts of the function separately based on the specified conditions or intervals, and ensure continuity at the endpoints.

Here's a step-by-step guide on how to graph a piecewise function:

1. Identify the different conditions or intervals: A piecewise function is defined by different equations or expressions for specific intervals or conditions. Identify these conditions or intervals and the corresponding equations for each interval.

2. Plot the intervals on the x-axis: Identify the range of values for the x-axis based on the given intervals. Mark the intervals on the x-axis accordingly.

3. Graph each part of the function: For each interval, graph the corresponding equation or expression. Treat each part as a separate function within its defined interval.

4. Consider the endpoints of each interval: Pay attention to the endpoints of each interval and determine whether they are included or excluded from the graph. Use open or closed circles to represent the endpoints, depending on whether they are included or excluded.

5. Ensure continuity: Check if the function is continuous across the intervals. Make sure there are no gaps or jumps in the graph where the intervals meet.

6. Label the axes and add any necessary annotations: Label the x-axis and y-axis, and add any necessary annotations such as the function name, equation, or any important points or features.

7. Review and refine: Step back and review the graph to ensure accuracy and clarity. Make any necessary adjustments to the graph to improve its presentation.

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Answer:

D

Step-by-step explanation:

Answer:

50.2 is the answer as the answer came in point