-5 =n-3



bjjvyuvfjjkooyfv

Answer:

2x4   -  5x1x3 {bracket means times] =8-15=-7

Step-by-step explanation:

2f=2xf=2x4=8

-

g=5x1x3=15

=8-15

=-7

To plot the function g(x) = cos(x) + x\(e^{-x\) in Octave, you can follow some steps.

Open Octave or GNU Octave in your preferred environment.

Define the function g(x) using an anonymous function syntax:

g = (x) cos(x) + x.*exp(-x);

Set the range of x values for the plot. In this case, we'll use x ranging from -2pi to 2pi:

x = linspace(-2*pi, 2*pi, 1000);

Plot the function using the defined range of x values:

plot(x, g(x));

Customize the plot by adding a title, labeling the axes, and displaying a grid:

title("Plot of g(x) = cos(x) + xe^{-x}");

xlabel("x");

ylabel("g(x)");

grid on;

Display the plot.

After executing these steps, you should see a plot of the function g(x) = cos(x) + x\(e^{-x\) with the specified window size, title, labeled axes, and grid.

To learn more about function here:

https://brainly.com/question/31062578

#SPJ4

Step-by-step explanation:

please refer to the sketch fir the details

Answer: The data shows an association between the type of instructor and a certification in CPR. The association is that swimming instructors are less likely than tennis instructors to be certified in CPR. This can be seen from the frequency table, where all the swimming instructors are not certified in CPR, while only 4 out of 12 tennis instructors are not certified in CPR, so yes, the data does show an association between the type of instructor and a certification in CPR.

Step-by-step explanation:

The two-way frequency table shows the number of instructors who are certified or not certified in CPR, broken down by type of instructor (swimming or tennis). The data in the table allows us to see the relationship between the two variables (type of instructor and certification in CPR) and whether there is an association between them.

An association means that the values of one variable are related to the values of another variable in some way. In this case, the type of instructor (swimming or tennis) is related to whether or not the instructor is certified in CPR. The data shows that the proportion of swimming instructors who are not certified in CPR (100%) is higher than the proportion of tennis instructors who are not certified in CPR (33%). This indicates that there is an association between type of instructor and certification in CPR, with swimming instructors being less likely to be certified in CPR than tennis instructors.

It is important to note that this association does not necessarily imply causation, meaning that being a swimming instructor does not cause one to not be certified in CPR, but it could be the other way around, or it could be due to some other factors that the data does not show.

Answer:

I think ur missing the actual data mate

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

Your answer should be 20

Step-by-step explanation:

Answer:

djejvjzjwjcxjsjejcjxjsn

Answer:

The answer is B

Step-by-step explanation:

A Vertical Line test.

Answer:

distance between two cities will be 9 000 000 km

Answer:

Step-by-step explanation:Scale of a map is 1:3000000 i.e, 1cm on map =30km so distance of towns on map =3.5cm Actual distance = 3.5×30=105km

A) The exact cost of producing the 31st food processor is $3771.70. B)  Using the marginal cost, the approximate cost of producing the 31st food processor is $3741.40.

(A) To find the exact cost of producing the 31st food processor, we substitute x = 31 into the cost function C(x) = 1900 + 60x - 0.3x^2:

C(31) = 1900 + 60(31) - 0.3(31)^2

C(31) = 1900 + 1860 - 0.3(961)

C(31) = 1900 + 1860 - 288.3

C(31) = 3771.7

Therefore, the exact cost of producing the 31st food processor is $3771.70.

(B) The marginal cost represents the rate of change of the cost function with respect to the quantity produced. Mathematically, it is the derivative of the cost function C(x).

Taking the derivative of C(x) = 1900 + 60x - 0.3x^2 with respect to x, we get:

C'(x) = 60 - 0.6x

To approximate the cost of producing the 31st food processor using the marginal cost, we evaluate C'(x) at x = 31:

C'(31) = 60 - 0.6(31)

C'(31) = 60 - 18.6

C'(31) ≈ 41.4

The marginal cost at x = 31 is approximately 41.4 dollars.

To approximate the cost, we add the marginal cost to the cost of producing the 30th food processor:

C(30) = 1900 + 60(30) - 0.3(30)^2

C(30) = 1900 + 1800 - 0.3(900)

C(30) = 3700

Approximate cost of producing the 31st food processor ≈ C(30) + C'(31)

≈ 3700 + 41.4

≈ 3741.4

Therefore, using the marginal cost, the approximate cost of producing the 31st food processor is $3741.40.

Learn more about marginal cost here:

brainly.com/question/14923834

#SPJ11

The present value of $100 per year forever (where the first payment is one year from now) at a discount rate of 1% is $10,000.The present value of a perpetuity is the amount of money that would be needed today to produce a stream of equal payments in the future.

The formula for the present value of a perpetuity is:

PV = PMT / r

Where:

PV is the present value

PMT is the periodic payment

r is the discount rate

In this case, the periodic payment is $100 and the discount rate is 1%. Substituting these values into the formula, we get:

PV = $100 / 0.01 = $10,000

This means that $10,000 invested today at a 1% discount rate would produce a stream of $100 payments per year forever.

The present value of a perpetuity is the amount of money that would be needed today to produce a stream of equal payments in the future. The present value of a perpetuity is always equal to the periodic payment divided by the discount rate. In this case, the periodic payment is $100 and the discount rate is 1%. Therefore, the present value of the perpetuity is $10,000.

The present value of perpetuity can be used to calculate the value of an asset that produces a stream of equal payments in the future. For example, a bond that pays $100 per year forever has a present value of $10,000 if the discount rate is 1%.

Learn more about  discount rates here:- brainly.com/question/13660799

#SPJ11

The weight that is left when 18759 grams of bricks are removed is 3.241 kg

From the question, we have the following parameters that can be used in our computation:

Pile of bricks = 22 kg

The weight removed from the pile = 18759 grams

The remaining weight can be calculated using the following subtraction equation

Remaining weight = Pile of bricks - The weight removed from the pile

Substitute the known values in the above equation, so, we have the following representation

Remaining weight = 22 kg - 18759 grams

Convert grams to kg

This gives

Remaining weight = 22 kg - 18.759 kg

Evaluate the difference in the above equation

Remaining weight = 3.241 kg

Hence, the remaining weight is 3.241 kg

Read more about subtraction at

https://brainly.com/question/17301989

#SPJ1

Answer:

-5/2

Step-by-step explanation:

The measurement that is closest to the value of x, in centimeters, is given as follows:

14.3.

In this problem, we have a right triangle, in which the legs, which are the sides between the angle of 90º, are of 11.9 cm and 7.9 cm.

Then the hypotenuse x, which is the segment connecting both legs, is obtained using the Pythagorean Theorem.

The Pythagorean Theorem states that the measure of the hypotenuse squared is equals to the sum of the squares of the measures of each side.

Then the length of x is calculated as follows:

x² = 11.9² + 7.9²

x = square root of (11.9² + 7.9²)

x = 14.28.

Closest to 14.3, rounding to the nearest tenth, meaning that the third option is correct.  

We suppose that 11.9 cm and 7.9 cm are the measures of the legs.

More can be learned about the Pythagorean Theorem at https://brainly.com/question/28853425

#SPJ1

well, the population before the increase was "x", which oddly enough is the 100%, now if it increased by 16% that means 100% + 16% = 116%, and we happen to know that's 667

\(\begin{array}{ccll} amount&\%\\ \cline{1-2} x & 100\\ 667& 116 \end{array} \implies \cfrac{x}{667}~~=~~\cfrac{100}{116} \\\\\\ \cfrac{x}{667}=\cfrac{25}{29}\implies 29x=(25)(667)\implies x=\cfrac{(25)(667)}{29}\implies x=575\)

The expression to represent the total area as the sum of the areas of each room is: 108 + 36 = 9x + 12x

To represent the total area as the sum of the areas of each room, we can expand the expression 12(9 + 3) and rewrite it in the form of the sum of the areas.

12(9 + 3) can be simplified as follows:

12(9 + 3) = 12 x 9 + 12 x 3

This is equivalent to:

108 + 36

Therefore, the expression to represent the total area as the sum of the areas of each room is:

108 + 36 = 9x + 12x

where x represents the area of each room.

Learn more about Expression here:

https://brainly.com/question/28170201

#SPJ1

Answer:

1) The equation that has infinitely many solution is y = -8/11·x + 4

2) The equation of the graph that has no solution is y = -8/11·x + 1

3) The equation of the line that has only one solution is y  = -1/4·x + 2

Step-by-step explanation:

1) The points on the graph are;

(0, 4), and (5.5, 0)

The slope of the line defined by the given two points, we have;

(0 - 4)/(5.5 - 0) = -40/55 = -8/11

The equation of the straight line graph in point and slope form, we have;

y - 4 = -8/11 × (x - 0)

y - 4 = -8/11·x

For the equation for the system that has infinitely many solution, we have;

y = -8/11·x + 4

2) For the equation whose graph foes through the point (0, 1) and the system has no solution, we have;

An equation that has no solution with the equation y = -8/11·x + 4, is parallel to y = -8/11·x + 4, and therefore, the slope are equal

Therefore, the equation whose graph foes through the point (0, 1) and the system has no solution, in point and slope form is given as follows;

y - 1 = -8/11 × (x - 0)

y - 1 = -8/11·x

The equation of the graph that has no solution is therefore;

y = -8/11·x + 1

3) For the equation of the graph that goes through the point (0, 2), and has a common solution with the system at (4, 1), we have;

The slope of the graph is (1 - 2)/(4 - 0) = -1/4

The equation of the line that has only one solution with the system in point and slope form is given as follows;

y - 2 = -1/4×(x - 0)

y - 2 = -1/4·x

The equation of the line that has only one solution in standard form is therefore;

y  = -1/4·x + 2

Answer:

only y= 8x-6

Step-by-step explanation:

in order know of an equation is linear is if the equation when graphed makes a straight line the equation should be in the format y=mx+b or y=mx if it is a proportional relationship.

Overall, the testing facility concluded that the brush tee would be a better option for golfers looking to improve their drives.

An independent golf equipment testing facility compared the difference in the performance of golf balls hit off a brush tee to those hit off a 4 yards more tee. A'Air Force One DFX driver was used to hit the balls, with an average swing speed of 100 miles per hour. The testing facility wanted to determine which tee would perform better and whether it would be beneficial to golfers to switch to a different tee.

The two different types of tees were the brush tee and the 4 Yards More tee. The brush tee is designed with bristles that allow the ball to be suspended in the air, minimizing contact between the tee and the ball. This design is meant to reduce spin and allow for longer and straighter drives. On the other hand, the 4 Yards More tee is designed to be more durable than traditional wooden tees, and its design is meant to create less friction between the tee and the ball, allowing for longer drives.

The testing results showed that the brush tee was able to create longer and straighter drives than the 4 Yards More tee. This is likely due to the brush tee's design, which allows for less contact with the ball, minimizing spin and creating longer and straighter drives.

To Know more about average visit:

https://brainly.com/question/24057012

#SPJ11

Step-by-step explanation:

\(3(4 - 2x) = - x + 1 \\ 12 - 6x = - x + 1 \\ 12 - 1 =6x - x \\ 11 = 5x \\ \frac{11}{5} = x \\ 2 \frac{1}{5} = x \\ \)

The solution of the equation is x = 11/5

An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side.

The given equation is,

3 (4 - 2x) = -x + 1

We have to solve the equation.

Distributive property states that, for three numbers, a, b and c,

a(b + c) = ab + ac

So, 3 (4 - 2x) = (3 × 4) - (3 × 2x)

                     = 12 - 6x

Substituting,

3 (4 - 2x) = -x + 1

12 - 6x = -x + 1

-6x + x = 1 - 12

-5x = -11

x = 11/5

Hence the solution is x = 11/5.

To learn more about Equations, click :

https://brainly.com/question/30066982

#SPJ7

It will take approximately 20 years for the population of San Diego to double at a growth rate of 3.5% per year

To find out how long it will take for the population to double, we can use the rule of 70. The rule of 70 states that to find the approximate number of years it takes for a quantity to double, divide 70 by the annual growth rate as a percentage.

In this case, the annual growth rate is 3.5%, so we can calculate the doubling time as follows:

70 / 3.5 = 20

Therefore, it will take approximately 20 years for the population of San Diego to double at a growth rate of 3.5% per year.

Learn more about  population at https://brainly.com/question/29885712

#SPJ1

Answer:

mutual fund

Step-by-step explanation:

Step one:

given data

let say the investment plan will span for 5 years

so  for mutual fund

P= $1000

r= 7.5%= 0.075

t= 5

compound interest

A= P(1+r)^t

substituting

\(A= 1000(1+0.075)^5\\\\A=1000(1.075)^5\\\\A=1000*1.436\\\\A=$1436\\\\\)

$1436

so  for bond

P= $1000

r= 7.5%= 0.075

t= 5

simple interest

A= P(1+rt)

substituting

\(A= 1000(1+0.075*5)\\\\A=1000(1+0.375)\\\\A=1000(1.375)\\\\A=1375\\\\\)

A=$1375

$1375

I would go for mutual fund compounded interest because it offers extra

$61 (1436-1375) for the same investment capital

Answer:

There are 59,049 different ways of answering the exam.

Step-by-step explanation:

The first thing we need to count is the total number of selections, then we need to count the number of options for each one of these selections. The total number of combinations will be equal to the product between all the numbers of options.

Here, the selections are each one of the 10 questions, so we have 10 selections.

And each one of these selections has 3 options (true, false, blank)

So, we have 10 selections with 3 options each, then the total number of combinations will be:

C = 3*3*3*3*3*3*3*3*3*3 = 3^10

C = 59,049

There are 59,049 different ways of answering the exam.

The code efficiently identifies prime numbers using the ancient Greek algorithm. It initializes an array, marks the multiples of each prime number as non-prime, and then prints the prime numbers.

This algorithm demonstrates a straightforward and efficient method for finding prime numbers within a given range.The ancient Greek algorithm for finding prime numbers less than or equal to a given number is implemented in the provided Python code. The algorithm follows a simple approach of marking numbers as prime or non-prime.

It starts by assuming all numbers as prime and then proceeds to mark the multiples of each prime number as non-prime. The code initializes an array where each element represents a number and marks them all as prime initially. Then, it iterates over each number from 2 to the given number, checking if it is marked as prime. If it is, the algorithm crosses out all its multiples as non-prime. Finally, it prints the numbers that remain marked as prime.

Learn more about prime here: https://brainly.com/question/9315685

#SPJ11

Answer:

p =43/2

Step-by-step explanation:

8/9 = 12/(p-8)

We can use cross products

8 * (p-8) = 9*12

Distribute

8p - 64 = 108

Add 64 to each side

8p -64+64 = 108+64

8p =172

Divide by 8

8p/8 =172 /8

p =43/2

Answer: p=43/2

Step-by-step explanation:

To solve for p, you would cross multiply.

\(8(p-8)=108\)                 [distribute the 8]

\(8p-64=108\)                  [add 64 on both sides]

\(8p=172\)                          [divide both sides by 8]

\(p=\frac{172}{8}\)                        [simplify the fraction]

\(p=\frac{43}{2}\)

Answer:

Step-by-step explanation:

x=-2+ root 5

x=-2- root 5

The values of \(x\) are required.

The values are \(x=-2+\sqrt{5},-2-\sqrt{5}\)

The given equation is

\(x^2+4x-1=0\)

The required formula to solve the equation \(ax^2+bx+c=0\) is

\(x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\)

Here,

\(a=1\)

\(b=4\)

\(c=-1\)

Substituting the values

\(x=\dfrac{-4\pm \sqrt{4^2-4\times1\times\left(-1\right)}}{2\times 1}\\\Rightarrow x=-2+\sqrt{5},-2-\sqrt{5}\)

Learn more about quadratic equations:

https://brainly.com/question/1214333

Answer:

C) $584.93

Step-by-step explanation:

beginning of year 5 means no interest is being added to the principal since the end of year 4; therefore the exponent must reduce 5 by 1

Answer: C

Step-by-step explanation:

I dont know the explanation but this was the answer under the exact same question i found a while ago

Answer:

3

Step-by-step explanation:

The factors of 15 are: 1, 3, 5, 15

The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

Then the greatest common factor is 3.

Answer:

3

Step-by-step explanation:

Answer:

Hope so too

Step-by-step explanation:

The utilization of the teller is approximately 53.33%.

To calculate the utilization of the teller, we need to compare the arrival rate and the service rate. The utilization represents the fraction of time the server (teller) is busy serving customers.

The arrival rate is given as 8 customers per hour, which means that, on average, 8 customers arrive at the teller's window in one hour. This follows a Poisson distribution.

The service rate is given as 15 customers per hour, indicating that, on average, the teller is able to serve 15 customers in one hour. The service times follow an exponential distribution.

Utilization is calculated as the ratio of the arrival rate to the service rate. In other words:

Utilization = Arrival rate / Service rate

Substituting the given values:

Utilization = 8 / 15 ≈ 0.5333

To express this as a percentage, we multiply the result by 100:

Utilization = 0.5333 * 100 ≈ 53.33%

Therefore, the utilization of the teller in this scenario is approximately 53.33%. This means that, on average, the teller is occupied serving customers about 53.33% of the time, and the remaining time is idle or available for serving new customers.

Learn more about utilization of the teller here:-

https://brainly.com/question/32957276

#SPJ11

For (a) the 95% CI for the true average porosity of a certain seam is 4.55 to 5.15, for (b) the 98% CI for the true average porosity of another seam is 4.04 to 5.08.

(a) To compute a 95% confidence interval (CI) for the true average porosity of a certain seam, given an average porosity of 4.85 from 23 specimens and a true standard deviation of 0.74, we can use the formula:

CI = sample mean ± (Z * (true standard deviation / √sample size))

The Z-value for a 95% confidence level corresponds to an area of 0.95 in the standard normal distribution. By looking it up in a Z-table or using statistical software, we find that the Z-value is approximately 1.96.

Plugging in the values into the formula, we have:

CI = 4.85 ± (1.96 * (0.74 / √23))

Calculating the expression:

CI = 4.85 ± (1.96 * (0.74 / 4.795))

CI = 4.85 ± (1.96 * 0.153)

CI = 4.85 ± 0.300

The 95% confidence interval for the true average porosity of the certain seam is:

4.55 to 5.15

(b) To compute a 98% confidence interval for the true average porosity of another seam, given 11 specimens with a sample average porosity of 4.56 and a true standard deviation of 0.74, we follow a similar procedure.

The Z-value for a 98% confidence level is approximately 2.33.

CI = 4.56 ± (2.33 * (0.74 / √11))

CI = 4.56 ± (2.33 * (0.74 / 3.316))

CI = 4.56 ± (2.33 * 0.223)

CI = 4.56 ± 0.519

The 98% confidence interval for the true average porosity of the other seam is:

4.04 to 5.08

(c) To determine the necessary sample size for a 95% confidence interval width of 0.39, we rearrange the formula for the CI:

Width of CI = (Z * (true standard deviation / √sample size))

0.39 = (Z * (0.74 / √sample size))

We know the Z-value for a 95% confidence level is 1.96.

0.39 = (1.96 * (0.74 / √sample size))

Solving for √sample size:

√sample size = (1.96 * 0.74) / 0.39

√sample size ≈ 3.68

Sample size ≈ (3.68)^2

Sample size ≈ 13.54

Therefore, a sample size of at least 14 specimens is necessary to achieve a 95% confidence interval width of 0.39.

Learn more about confidence level here:

https://brainly.com/question/32546207

#SPJ11