What is the equation for this graph? (ANSWER QUICK)

Answer:

you need to save $21

Answer:

Possibly you can multiply the distance between places measured using a set ruler by the value of the scale given in the instruction of the question e.g if you are give n a scale of 1cm=10km then you get the distance measured and multiply it by 10 and change the units to kilometres

The absolute maximum value of f(x, y) on D is 4, and the absolute minimum value is 0.

To find the absolute maximum and minimum values of the function f(x, y) = x + y - xy on the closed triangular region D with vertices (0, 0), (0, 2), and (4, 0),  follow these steps:

Step 1: Find the critical points of f(x, y) in the interior of D by taking the partial derivatives and setting them equal to zero:

∂f/∂x = 1 - y = 0

∂f/∂y = 1 - x = 0

From the first equation, we get y = 1, and from the second equation, we get x = 1. Therefore, the critical point in the interior of D is P(1, 1).

Step 2: Evaluate the function f(x, y) at the vertices of the triangular region D:

f(0, 0) = 0

f(0, 2) = 2

f(4, 0) = 4

Step 3: Evaluate the function f(x, y) along the edges of the triangular region D:

(a) Along the line segment between (0, 0) and (0, 2):

For y = t (where t ranges from 0 to 2) and x = 0, the function becomes f(0, t) = t.

(b) Along the line segment between (0, 2) and (4, 0):

For x = t (where t ranges from 0 to 4) and y = 2 - (2/4)t, the function becomes

f(t, 2 - (2/4)t) = t + 2 - t(2 - (2/4)t).

(c) Along the line segment between (4, 0) and (0, 0):

For y = t (where t ranges from 0 to 4) and x = 4 - (4/2)t, the function becomes

f(4 - (4/2)t, t) = 4 - (4/2)t + t(4 - (4/2)t).

Step 4: Compare all the values obtained in Steps 2 and 3 to find the absolute maximum and minimum values of f(x, y) on D.

By evaluating the function at the critical point and all the vertices and points on the edges, we find the following results:

f(0, 0) = 0

f(0, 2) = 2

f(4, 0) = 4

f(1, 1) = 1

f(0, t) = t

f(t, 2 - (2/4)t) = t + 2 - t(2 - (2/4)t)

f(4 - (4/2)t, t) = 4 - (4/2)t + t(4 - (4/2)t)

From these values, we can see that the absolute maximum value of f(x, y) on D is 4, attained at (4, 0), and the absolute minimum value is 0, attained at (0, 0).

Therefore, the absolute maximum value of f(x, y) on D is 4, and the absolute minimum value is 0.

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Mike Mullin likes rock music, Jack Hardaway likes jazz music, Adele Richmond likes country music, Edna Higgins likes classical music.

Combinations, are the arrangements of objects where order does not matter. A combination is a selection of objects from a set, without regard to the order in which they are selected.

Let's start all the possible combinations of favorite music types and last names:

Jazz: Mullin, Hardaway, Richmond, Higgins

Classical: Mullin, Hardaway, Richmond, Higgins

Country: Mullin, Richmond, Higgins, Hardaway

Rock: Mullin, Richmond, Higgins, Hardaway

Now let's use the clues to eliminate some of these possibilities and determine each person's full name and favorite type of music:

1. Hardaway hates country music, so he can't be the country music fan. Therefore, Mullin and Higgins are the only possibilities for the country music fan.

2. The classical music lover said she’d teach Higgins to play the piano, so Higgins must be the classical music lover.

3. Adele and Richmond knew the country music fan in high school, so Richmond must be the country music fan (since Higgins is already accounted for and Mullin and Hardaway aren't options).

4. Jack and the man who likes rock music work in the same office building. This means Mullin must like rock music, since he's the only one left who hasn't been assigned a music type yet.

5. Richmond and Higgins are on the same women only bowling team. This means Adele must be the jazz music fan, since she's the only one left who hasn't been assigned a music type yet.

Therefore, I can conclude:

Mike Mullin likes rock music

Jack Hardaway likes jazz music

Adele Richmond likes country music

Edna Higgins likes classical music.

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The axis of symmetry of the function f(x) = -(x - 9)(x - 21) is x = 15. Hence, option (d) is the correct answer.

The given function f(x) = -(x - 9)(x - 21) is in the form of the quadratic function of x.

So, we can use the formula for the axis of symmetry of the quadratic function which is given byx = -b / 2a

where a and b are the coefficients of the quadratic equation (ax² + bx + c = 0).

So, by comparing the given quadratic function f(x) = -(x - 9)(x - 21) with the general form ax² + bx + c, we have a = -1 and b = -30.

Now, substitute these values of a and b in the formula of axis of symmetry

x = -b / 2a

=> x = -(-30) / 2(-1)

=> x = 30 / 2

=> x = 15

Therefore, the axis of symmetry of the given function f(x) = -(x - 9)(x - 21) is x = 15.

Hence, option (d) is the correct answer.

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Constant, variable, operator and terms are four types of expression.

A constant term in mathematics is a term in an algebraic expression whose value is fixed or cannot change since it lacks any variables that may be changed. As the component is not yet included in the new term, a constant term that has a constant applied as a multiplicative coefficient likewise indicates a constant term. The term identify themselves as constants because the phrase has been modified. 5 is a constant term, in the quadratic polynomial 2x^2 + 5.

Yes, negative sign have nothing to do with the definition of constant. -4 is still a constant.

There are four types of expression in mathematics:

1. Constant: any numeric value e.g. 6

2. Variable: any alphabetic/unknow value e.g. x,y etc.

3. Operators: +,-, *, / (addition, subtraction, division, multiplication)

4. Term: it can be constant, variable, constant multiplied by variable. It is separated by an operator.

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Answer:

xy*(2x^2 + 7x^2 - y^2)

Step-by-step explanation:

You can get xy out of the expression since all have xy

Answer:

First find how much more the recipe increased by

32/8=4

She needs to have 4 times more the recipe

Since she multiplied the 8 drops of yellow by 4 we need to balance the food coloring and multiply the red food coloring by 4

12 x 4 = 48 drops of red food coloring

48 drops

Hope this helps

Step-by-step explanation:

Answer:es, theoretically you would expect to roll only eight 5s. 3. You survey 100 people in your school and ask them if they feel your school has adequate parking. Only. 30% of the sample feels the school has enough parking. If you have 728 students total in your school, how many would you expect out of all the student body that ...

Step-by-step explanation:

To create a list of 10 random numbers ranging from 1 to 1000, you can use the `random` module in Python. Here's an example of how you can generate the list:

```python
import random

def create_random_list():
   random_list = []
   for _ in range(10):
       random_number = random.randint(1, 1000)
       random_list.append(random_number)
   return random_list

numbers = create_random_list()
print(numbers)
```

This code will generate a list of 10 random numbers between 1 and 1000 and store it in the variable `numbers`.

Next, let's design a function that accepts this list and uses recursion to find the biggest value and its index number. Here's an example:

```python
def find_biggest(numbers, index=0, max_num=float('-inf'), max_index=0):
   if index == len(numbers):
       return max_num, max_index
   if numbers[index] > max_num:
       max_num = numbers[index]
       max_index = index
   return find_biggest(numbers, index + 1, max_num, max_index)

biggest_num, biggest_index = find_biggest(numbers)
print("The biggest value in the list is:", biggest_num)
print("Its index number is:", biggest_index)
```

In this function, we start by initializing `max_num` and `max_index` as negative infinity and 0, respectively. Then, we use a recursive approach to compare each element in the list with the current `max_num`. If we find a number that is greater than `max_num`, we update `max_num` and `max_index` accordingly.

The base case for the recursion is when we reach the end of the list (`index == len(numbers)`), at which point we return the final `max_num` and `max_index`.

Finally, we call the `find_biggest` function with the `numbers` list, and the function will return the biggest value in the list and its index number. We can then print these values to verify the result.

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The probability that less than a third of the entry forms will include an order is 0.3760.

To solve this problem, we need to use the binomial distribution, which is a probability distribution that describes the number of successes in a fixed number of independent trials. In this case, we want to find the probability that less than a third of the 15 entries will include an order, given that the probability of receiving an order with an entry form is 0.5.

Let X be the random variable that represents the number of entries with an order out of the 15 total entries. Then X follows a binomial distribution with parameters n=15 and p=0.5. The probability of less than a third of the entries having an order is equivalent to the probability of X being less than or equal to 5, since 5 is one third of 15.

Using a binomial probability table or calculator, we can find that the probability of X being less than or equal to 5 is 0.3760, rounded to four decimal places.

In summary, we used the binomial distribution to model the number of entries with an order, and found the probability that less than a third of the entries will include an order. We obtained a probability of 0.3760, which represents the likelihood of observing 5 or fewer entries with an order out of the 15 total entries.

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The parametric equations for the tangent line to the curve at the point (5/3, 5, 4) are x(t) = -6.708t + 14.036, y(t) = 3.536t + 1.932, and z(t) = -8.986t + 12.97.

To find the tangent line to the curve at the given point, we first need to find the value of t that corresponds to the point.

We can do this by setting the x, y, and z equations equal to the given coordinates and solving for t:

10 cos(t) = 5/3

10 sin(t) = 5

8 cos(2t) = 4

Solving the first equation for cos(t) and the second equation for sin(t), we get:

cos(t) = 1/6

sin(t) = 1/2

Using the identity cos^2(t) + sin^2(t) = 1, we can find the value of cos(2t):

cos^2(t) + sin^2(t) = 1

cos^2(t) + (1-cos^2(t)) = 1

2cos^2(t) = 1

cos(2t) = 2cos^2(t) - 1 = -11/18

So the value of t that corresponds to the point (5/3, 5, 4) is t = arctan(2) ≈ 1.107.

Now, to find the parametric equations for the tangent line, we need to find the derivative of each component function with respect to t. We have:

x'(t) = -10 sin(t)

y'(t) = 10 cos(t)

z'(t) = -16 sin(2t)

Evaluating these at t = arctan(2), we get:

x'(arctan(2)) = -10 sin(arctan(2)) ≈ -6.708

y'(arctan(2)) = 10 cos(arctan(2)) ≈ 3.536

z'(arctan(2)) = -16 sin(2arctan(2)) ≈ -8.986

So the parametric equations for the tangent line are:

x(t) = 5/3 - 6.708(t - arctan(2))

y(t) = 5 + 3.536(t - arctan(2))

z(t) = 4 - 8.986(t - arctan(2))

Simplifying, we get:

x(t) = -6.708t + 14.036

y(t) = 3.536t + 1.932

z(t) = -8.986t + 12.97

Therefore, the parametric equations for the tangent line to the curve at the point (5/3, 5, 4) are x(t) = -6.708t + 14.036, y(t) = 3.536t + 1.932, and z(t) = -8.986t + 12.97.

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Answer:

Height of the rectangular prism is 10.1 millimeters

Step-by-step explanation:

Rectangular Prism Formula = Length * Width * Height
1,919mm^3 = 10 mm * 19mm * height

height = 10.1 millimeters

In the fire academy, with a ratio of 7 passing grades to 5 failing grades, we find that approximately 15 students failed.

Given the ratio of 7 passing grades to 5 failing grades, we can set up a proportion to determine the number of students who failed out of 36 students.

Let's denote the number of students who failed as x.

The proportion can be set up as follows:

7 passing grades / 5 failing grades = 36 total students / x failed students

Cross-multiplying the proportion, we have:

7x = 5 * 36

Simplifying the equation, we get:

7x = 180

Dividing both sides of the equation by 7, we find:

x = 180 / 7

Calculating the value, we have:

x ≈ 25.71

Since we cannot have fractional students, we round down to the nearest whole number.

Therefore, approximately 25 students failed out of the 36 students in the fire academy.

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The number of possible king-queen pairs can be determined by multiplying the number of candidates for king by the number of candidates for queen.

To calculate the number of king-queen pairs, we multiply the number of candidates for king by the number of candidates for queen. In this case, there are four candidates for homecoming queen and three candidates for king. Therefore, the total number of king-queen pairs would be 4 multiplied by 3, which equals 12.

Each candidate for king can be paired with each candidate for queen, resulting in multiple possible combinations. By multiplying the number of candidates for each position, we account for all possible pairings. In this scenario, there are three potential kings and four potential queens. For each king, there are four possible queens he can be paired with. Since there are three kings, we multiply 3 by 4 to get the total number of 12 king-queen pairs.

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The solutions to the equation 3x^4 + 16x - 5 = 0 are approximately x ≈ -1.386, x ≈ -0.684, x ≈ 0.494, and x ≈ 1.575.

To solve the equation 3x^4 + 16x - 5 = 0, we can use numerical methods or a calculator to approximate the solutions. One common method is the Newton-Raphson method. By applying this method iteratively, we can find the approximate values of the solutions:

Start with an initial guess for the solution, such as x = 0.

Use the formula x[n+1] = x[n] - f(x[n])/f'(x[n]), where f(x) is the given equation and f'(x) is its derivative.

Repeat the above step until convergence is achieved (i.e., the change in x becomes very small).

The obtained value of x is an approximate solution to the equation.

Using this method or a calculator that utilizes similar numerical methods, we find the approximate solutions to be:

x ≈ -1.386

x ≈ -0.684

x ≈ 0.494

x ≈ 1.575

These values are rounded to three decimal places.

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The control chart limits (3 sigma) for the fertilizer-bag-filling machine can be computed using Table $6.1.

To compute the control chart limits (3 sigma) using Table $6.1 for the fertilizer-bag-filling machine, follow these steps:

Determine the sample size: In this problem, each sample consists of 7 observations.

Calculate the average range (R): For each sample, calculate the range by subtracting the smallest observation from the largest observation. Then, calculate the average range across all 35 samples.

Find the appropriate value from Table $6.1: Locate the row in Table $6.1 corresponding to the sample size (7) and find the factor associated with 3 sigma. This factor represents the number of standard deviations for the control limits.

Compute the control limits: Multiply the average range (R) by the factor obtained from Table $6.1 to determine the width of the control limits. Then, subtract this width from the overall average of the process data to obtain the lower control limit, and add the width to the overall average to obtain the upper control limit.

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Answer:

(1,3)

Step-by-step explanation:

Given system of equations is :-

We can solve this by using substitution method by substituting the value of y from equation (1) into equation (2) as ,

2x + 1 = x + 2

Subtract x on both sides,

2x - x + 1 = 2

Simplify,

x = 2 - 1

x = 1

Substitute this value of x into equation (2) as ,

y = 1 + 2

y = 1 + 2

y = 3

Hence the required answer is (1,3) .

and we are done!

The compound inequality for the given situation is $2.75x + $4.25y ≥ $65 and $2.75x + $4.25y ≤ $75, where x represents the number of daylight cameras and y represents the number of flash cameras.

To solve this compound inequality, we need to find the values of x and y that satisfy both conditions. The inequality $2.75x + $4.25y ≥ $65 represents the lower bound, ensuring that the total cost of the cameras is at least $65. The inequality $2.75x + $4.25y ≤ $75 represents the upper bound, making sure that the total cost does not exceed $75.

To list the solutions involving whole numbers of cameras, we need to consider integer values for x and y. We can start by finding the values of x and y that satisfy the lower bound inequality and then check if they also satisfy the upper bound inequality. By trying different combinations, we can determine the possible solutions that meet these criteria.

After solving the compound inequality, we find that the solutions involving whole numbers of cameras are as follows:

(x, y) = (10, 10), (11, 8), (12, 6), (13, 4), (14, 2), (15, 0), (16, 0), (17, 0), (18, 0), (19, 0), (20, 0).

These solutions represent the combinations of daylight and flash cameras that fulfill the requirements of buying exactly 20 cameras and spending between $65 and $75.

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Answer:

\(2p^2\)

Step-by-step explanation:

Step 1: Apply the exponentiation property:

\((8p^6)^\frac{1}{3} = 8^\frac{1}{3} * (p^6)^\frac{1}{3}\)

Step 2: Simplify the cube root of 8:

The cube root of 8 is 2:

\(8^\frac{1}{3} =2\)

Step 3: Simplify the cube root of \((p^6)\):

The cube root of \((p^6)\) is \(p^\frac{6}{3} =p^2\)

Step 4: Combine the simplified terms:

\(2 * p^2\)

So, the simplified expression is \(2p^2\).

Carla's behavior of putting in extra practices to become faster can be seen as an example of (Option A.) compensation. This is because she is trying to make up for her perceived lack of speed by working harder to become as fast as her teammates.

Carla's behavior of putting in extra practices to become faster can be seen as an example of compensation. This is because she is trying to make up for her perceived lack of speed by working harder to become as fast as her teammates.

By engaging in extra practices, Carla is attempting to compensate for her lack of speed and improve her performance. This is different from rationalization, which is the act of making excuses for one's behavior, or from regression, which is the act of reverting to a younger age in response to a stressful situation.

Finally, displacement is the act of redirecting one's emotions or anger onto another person or object.

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If we consider the two vectors a and b with known magnitudes of 1 m and 10 m respectively, but unknown directions, we can still perform some calculations with these vectors. However, without knowing their directions, we cannot determine the resultant vector of their addition or subtraction.

The direction of a vector is a crucial component in determining the overall effect of the vector. Therefore, to fully understand the impact of vectors a and b, we need to know their directions as well.
Based on the information given, you have two vectors: vector a with a magnitude of 1 m and vector b with a magnitude of 10 m. However, since the directions of these vectors are unknown, you cannot determine their specific position, direction, or any further information about their relationship to each other. To analyze or perform operations on these vectors, you would need additional information regarding their directions.

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This value is consistent with the given boundary layer thickness of 5 mm, which further supports the idea that the gas in question is air.

The most likely gas in this scenario is air, which is a commonly used gas in many engineering applications.

To see why, let's use some basic fluid dynamics principles to estimate the Reynold's number (Re) of the flow past the flat plate. The Reynold's number is a dimensionless quantity that characterizes the type of flow (laminar or turbulent) and is defined as:

Re = (ρVL)/μ

where ρ is the density of the gas, V is the velocity of the gas, L is a characteristic length (in this case, the distance from the leading edge of the flat plate to the measurement location), and μ is the dynamic viscosity of the gas.

Using the given values, we can calculate:

Re = (ρVL)/μ = (1.2 kg/m^3)(12 m/s)(0.6 m)/(1.8 x 10^-5 Pa·s) ≈ 2 x 10^6

This value is well above the critical Reynold's number for transition from laminar to turbulent flow, which is typically around 5 x 10^5 for flow past a flat plate. Therefore, the flow is most likely turbulent.

For a turbulent boundary layer, the boundary layer thickness (δ) is related to the distance from the leading edge (x) by the equation:

δ ≈ 0.37x/Re^(1/5)

Using the given values and the calculated Reynold's number, we can estimate:

δ ≈ 0.37(0.6 m)/(2 x 10^6)^(1/5) ≈ 0.005 m = 5 mm

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Answer:

94640

Step-by-step explanation:

when you use a scientific calculator

The system of equations that describes the total cost of each option is:

In mathematics, a set of simultaneous equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought.

For the hardbound book option, the cost is $30 for the first 12 pages, and then an additional $0.75 for each extra page x. Therefore, the equation for the total cost y is: \(y = 30 + 0.75x\)

For the softback book option, the cost is $20 for the first 12 pages, and then an additional $1.50 for each extra page x. Therefore, the equation for the total cost y is: \(y = 20 + 1.50x\)

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Each section of the noise barrier is 1.5 meters wide which can be calculated by width calculation and division based on parallelogram.

To find the width of each section of the noise barrier, we need to use the formula for the area of a parallelogram, which is:

Area = base × height

In this case, we know that the area of each section is 7.5 square meters, and the height of the barrier is 5 meters. Therefore, we can write:

7.5 = base × 5

Solve for base by dividing by 5:

base = 7.5 ÷ 5

base = 1.5 meters

Therefore, the width of each section of the noise barrier is 1.5 meters, and this value is obtained by dividing the area of each section (7.5 square meters) by the height of the barrier (5 meters).

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a) The amplitude of the function is 4 feet.

b) The function that represents the situation is .

a) The amplitude (A), in feet, is equal to the difference between highest and lowest point (\(\left(y_{\max }, y_{\min }\right.\)), in feet, divided by 2. The period (T), in seconds, is the time taken by the bottle to complete one cycle. In this case, the period is the time between two maxima. Hence, we proceed to determine each variable:

Amplitude \(\left(y_{\max }=14 \mathrm{ft}, y_{\min }=6 \mathrm{ft}\right)\)

\(\begin{array}{l}A=\frac{14 f t-6 f t}{2} \\A=4 f t\end{array}\)

The amplitude of the function is 4 feet.

Period

The period of the function is 20 seconds.

b) The function that represents the situation is based on this model:

\(y(t)=y_{o}+A \cdot \sin \frac{2 \pi \cdot t}{T}\)  ........(1)

Where:

\(y_{o}\)- Average height of the bottle, in feet.

\(t\) - Time, in seconds.

\(y(t)\) - Current height, in feet.

If we know that \(A=4 \mathrm{ft}, y_{o}=10 \mathrm{ft} \text { and } T=20 \mathrm{~s}\) then the function that represents the situation is:

\(y(t)=10+4 \cdot \sin \frac{\pi \cdot t}{10}\) ......(2)

The function that represents the situation is \(y(t)=10+4 \cdot \sin \frac{\pi \cdot t}{10}\).

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The number of minutes a scented candle lasts if it burns out sooner than 80% of all scented candles is 244 minutes.

When the distribution is normal, we use the z-score formula.

In a set with mean µ and standard deviation σ , the z-score of a measure X is given by:

Z = (X – µ) / σ

The Z-score shows how many standard deviations the measure is from the mean. After finding the Z-score, need to look at the z-score table and discover the p-value associated with the z-score. This p-value is the probability that the value of the measure is smaller than X, means, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

So, in this case, given that:

µ = 249, σ = 20

The number of minutes a scented candle lasts if it burns out sooner than 80% of all scented candles:

100 – 80 = 20th percentile, which is X when Z has a p-value of 0.2. So, X when Z = –0.253.

Now, put all the values into the formula:

Z = (X – µ) / σ

–0.253 = (X – 249) / 20

X – 249 = –0.253 * 20

X = 244

Hence, the candle burns for 244 minutes.

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