∫d xy dA D is enclosed by the quarter circle
y=√(1-x^2), x ≥ 0, and the axes Evaluate the double integral. I am getting zero and would like a second opinion.

Answers

Answer 1

The double integral is indeed zero.

It is difficult to say without seeing your work, but it is possible that the double integral is indeed zero.

Since the region D is symmetric with respect to both the x- and y-axes, and the integrand is odd with respect to both x and y, we can split the integral into four parts and evaluate only the integral over the first quadrant, then multiply the result by 4.

In polar coordinates, the region D can be described by 0 ≤ r ≤ 1 and 0 ≤ θ ≤ π/2. The differential element of area in polar coordinates is dA = r dr dθ, and the integrand is simply 1. Thus, the double integral becomes:

∫∫D d xy dA = 4 ∫∫D d xy dA over the first quadrant

= 4 ∫∫(0 to 1) (0 to π/2) r cos θ sin θ dr dθ

= 4 [(∫(0 to π/2) cos θ dθ) (∫(0 to 1) r sin θ dr)]

= 4 [(sin(π/2) - sin(0)) (-(cos(0) - cos(π/2)))]

= 0

Therefore, the double integral is indeed zero.

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Related Questions

lizs algebra 1 class is taking a field trip to the cryptology museum. one of the geometry classes is going too. this table shows how many tickets each class bought for the field trip. algebra1: 164$ geometry: 120$. student tickets: 59. adult tickets: 11

Answers

Each Algebra ticket cost $5.125 for kids and $20.50 for adults, while each Geometry ticket cost $4.46 for pupils and $30.125 for adults.

For Algebra I:

Cost per student ticket = Total cost of student tickets / Number of student tickets

Cost per student ticket = $164.00 / 32

Cost per student ticket = $5.125

For Geometry:

Cost per student ticket = Total cost of student tickets / Number of student tickets

Cost per student ticket = $120.50 / 27

Cost per student ticket = $4.46 (rounded to two decimal places)

Next, we can find the cost of one adult ticket for each class using the same method.

For Algebra I:

Cost per adult ticket = Total cost of adult tickets / Number of adult tickets

Cost per adult ticket = $164.00 / 8

Cost per adult ticket = $20.50

For Geometry:

Cost per adult ticket = Total cost of adult tickets / Number of adult tickets

Cost per adult ticket = $120.50 / 4

Cost per adult ticket = $30.125

Therefore, the price of each ticket for Algebra I was $5.125 for students and $20.50 for adults, while the price of each ticket for Geometry was $4.46 for students and $30.125 for adults.

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What expression is equivalent to the expression -3.5 (2- 1.5n) - 4.5n?

Answers

The equivalent expression is 0.75n - 7

What is an equivalent expression?

An equivalent expression is defined as an algebraic expression that have the same solution but differ in their arrangement.

Also, algebraic expressions are described as expression that consists of variables, constants, terms, coefficients and factors.

These expressions are also made up of arithmetic operations such as addition, subtraction, division, multiplication, bracket and parentheses.

From the information given as;

-3.5 (2- 1.5n) - 4.5n

expand the bracket

-7 + 5.25n - 4.5n

collect the like terms

0.75n - 7

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A water sample shows 0. 091 grams of some trace element for every cubic centimeter of water. Valeria uses a container in the shape of a right cylinder with a diameter of 15. 2 cm and a height of 16. 2 cm to collect a second sample, filling the container all the way. Assuming the sample contains the same proportion of the trace element, approximately how much trace element has Valeria collected? Round your answer to the nearest tenth

Answers

Answer:

First, we need to find the volume of the cylinder:

V = πr^2h = π(7.6 cm)^2(16.2 cm) = 2,945.27 cm^3

Next, we can find the amount of trace elements collected:

0.091 g/cm^3 x 2,945.27 cm^3 = 267.68 g

Rounded to the nearest tenth, Valeria collected approximately 267.7 grams of the trace element.

Find the exact value of the expression:
sin ( cos^-1 (1/2) + tan^-1 (1) )

Answers

Answer:

Step-by-step explanation:

The solution to the trigonometric expression is:

sin ( cos^-1 (1/2) + tan^-1 (1) )

= sin (60° + 45°) (since cos^-1 (1/2) = 60° and tan^-1 (1) = 45°)

= sin 105°

= 0.966

Express tan R as a fraction in simplest terms.

Answers

Answer:

RS = 24, so tan R = 18/24 = 3/4

Find the total volume of the shape below. Round your answer to the nearest whole centimeter.
6.
10 cm
10 cm
10 cm
10 cm
6.
Is a challenge.
You have a two
shapes
Make a plan.

Answers

hope this helps you.

Let (E = [(5, 3)^T, (3, 2)^T]) and let x = (1,1)^T, y = (1,-1)^T and z = (10,7)^T. Determine the values of [x]E, [y]E and [z]E

Answers

The coordinates of z with respect to the basis E are:

[z]E = (1/3, 7/9)^T.

To determine the coordinates of a vector in the basis E, we need to express the vector as a linear combination of the basis vectors and then solve for the coefficients.

First, let's write the vectors x, y, and z in terms of their coordinates with respect to the standard basis:

x = (1, 1)^T
y = (1, -1)^T
z = (10, 7)^T

To find the coordinates of x with respect to the basis E, we need to write x as a linear combination of the basis vectors in E:

x = a(5, 3)^T + b(3, 2)^T

Solving for a and b, we get:

a = (2/3) and b = (1/3)

Therefore, the coordinates of x with respect to the basis E are:

[x]E = (2/3, 1/3)^T

Similarly, we can find the coordinates of y with respect to the basis E:

y = a(5, 3)^T + b(3, 2)^T

Solving for a and b, we get:

a = (1/3) and b = (-1/3)

Therefore, the coordinates of y with respect to the basis E are:

[y]E = (1/3, -1/3)^T

Finally, we can find the coordinates of z with respect to the basis E:

z = a(5, 3)^T + b(3, 2)^T

Solving for a and b, we get:

a = (1/3) and b = (7/9)

Therefore, the coordinates of z with respect to the basis E are:

[z]E = (1/3, 7/9)^T.

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Please help to find the answer to a b and c please

Answers

Answer:

a) 5p (or 5q)

b) 5p ( or 5q)

c) 10p (or 10q)

Step-by-step explanation:

We will use the following information for solving and using the given figure

In a regular hexagon all six sides are equal
Therefore
[tex]\overrightarrow{AB} = \overrightarrow{BC} = \overrightarrow{CD} = \overrightarrow{DE} = \overrightarrow{EF} = \overrightarrow{FA}[/tex]
The circumradius R which is the length of the segment from O to the center of the hexagon to any of the vertices A, B, C, D, E, F is the exact same. So in the figure,
[tex]\overrightarrow{OA} = \overrightarrow{OB} = \overrightarrow{OC} = \overrightarrow{OD} = \overrightarrow{OE} = \overrightarrow{OF}[/tex]
The distance between a pair of opposite vertices is twice the circumradius and is the same for all
[tex]\overrightarrow{EB} = 2\overrightarrow{OB}[/tex] and similarly for all other pairs

Preliminary computation

We have [tex]\overrightarrow{AB} = \overrightarrow{BC}[/tex]

Therefore 4p + q = 5p

5p = 4p + q

5p-4p = q

p = q

[tex]\overrightarrow{AB} = 4p + q = 4p + p = 5p = 5q\\[/tex]

So each side is 5p in length which is also equal to 5q since p = q

Part a

[tex]\overrightarrow{AO} = \overrightarrow{OA} = \overrightarrow{AB} = 5p[/tex] (same as 5q)

Part b

[tex]\overrightarrow{OB} = \overrightarrow{OA} = 5p[/tex] (same as 5q)

Part c
[tex]\overrightarrow{EB} = 2 \cdot \overrightarrow{OB} = 2 \cdot 5p = 10p[/tex] (also 10q)

pls see the question in attachment and solve it

Answers

Answer:

42°

Step-by-step explanation:

Measured with potractor

you are riding a bicycle which has tires with a 30-inch diameter at a steady 15-miles per hour, what is the angular velocity of a point outside the tire in radians per second? give your answer in terms of pi rounding the coefficient to the nearest hundredth.

Answers

First, we need to convert the speed from miles per hour to inches per second. There are 5280 feet in a mile and 12 inches in a foot, so:

15 miles per hour = (15 x 5280 x 12) inches per hour, = 950400 inches per hour
To get inches per second, we divide by 3600 (the number of seconds in an hour):
950400 inches per hour ÷ 3600 seconds per hour = 264 inches per second
Next, we need to use the formula for angular velocity:

angular velocity = velocity / radius, The radius of the tire is half the diameter, or 15 inches. So: angular velocity = 264 inches per second / 15 inches, = 17.6 radians per second, Rounding to the nearest hundredth and using pi in our answer, we get: angular velocity ≈ 17.60π radians per second.

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Suppose A, B, and C are invertible nxn matrices. Show that ABC is also invertble by introducing a matrix D such that (ABC)D= l and DABC)= t is assumed that A, B, and C are invertible matrices. What does this mean? A. A^-1,B^-1, and Care all equal to the identity matrix B. A^-1,B^-1,and C^-1 exist C. A^1, B-1, and C^-1 all have determinants equal to zero D. A-1,B-1, and C^-1 are all not equal to the identity matrix

Answers

The correct option is (B) [tex]A^-1, B^-1[/tex], and [tex]C^-1[/tex], shows that ABC is also invertble

How to show that ABC is invertible?

Since A, B, and C are invertible matrices, they have inverse matrices [tex]A^-1, B^-1,[/tex] and [tex]C^-1,[/tex] respectively.

To show that ABC is invertible, we can introduce a matrix D such that (ABC)D = I and D(ABC) = I, where I is the identity matrix.

We can use the associative property of matrix multiplication to rearrange the product ABCD as follows:

(ABC)D = A(BCD)

Since A, B, and C are invertible, their product ABC is also invertible. Therefore, we can write:

(ABC)D = A(BCD) = I

Multiplying both sides of the equation by [tex]A^-1,[/tex] we get:

[tex]A^-1(ABC)D = A^-1[/tex]

Using the associative property again, we can rearrange the left-hand side as follows:

[tex]A^-1(ABC)D = (A^-1AB)CD = ICD = D[/tex]

Substituting ICD with D, we get:

[tex](A^-1AB)CD = D[/tex]

Since[tex]A^-1A[/tex] is equal to the identity matrix I, we can simplify the equation as follows:

BCD = D

Now we can use a similar approach to show that D(ABC) = I. Multiplying both sides of the equation (ABC)D = I by [tex]C^-1,[/tex] we get:

[tex](ABC)DC^-1 = C^-1[/tex]

Using the associative property, we can rearrange the left-hand side as follows:

[tex]A(BCD)C^-1 = AIC^-1 = A^-1[/tex]

Substituting BCD with D, we get:

[tex]AD^-1C = A^-1[/tex]

Multiplying both sides by [tex]C^-1[/tex], we get:

[tex]AD^-1CC^-1 = A^-1C^-1[/tex]

Since [tex]CC^-1[/tex] is equal to the identity matrix I, we can simplify the equation as follows:

[tex]AD^-1 = A^-1C^-1[/tex]

Multiplying both sides by BC, we get:

[tex]ABCD^-1 = B(A^-1C^-1)C = BI = B[/tex]

Therefore, we have shown that ABC has an inverse matrix D, which implies that ABC is invertible.

Answer: The correct option is (B) [tex]A^-1, B^-1,[/tex] and [tex]C^-1[/tex]exist.

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Which of these does NOT represent the distance a car travels when going 55 miles per hour?
A d=55c, where d represents distance in miles and t represents time in hours
B
D
Car Travel
Time
(hours)
1
1.5
2
2.5
Distance
(miles)
C In 3 hours a car will travel a distance of 160 miles.
200
150
100
50
0
Distance
(miles)
55
82.5
Your answer
110
137.5
1
Car Travel
2
3
Time
(hours)
4

Answers

The statement which does not represent the distance is

C) In 3 hours car will travel the distance of 160 miles and D).

What is proportion?

A percentage is created when two ratios are equal to one another. We write proportions to construct equivalent ratios and to resolve unclear values.

Here the car can travel 55 miles in one hour.

Then in 1.5 hour distance traveled by car is x.

Using proportion,

=> x = 55*1.5 = 82.5 miles

Now in 2 hours distance traveled by car = 55*2=110 miles

In 2.5 hours distance traveled by car = 55*2.5 = 137.5 miles

In 3 hours distance traveled by car = 55*3 = 165 miles.

Then distance = 55t . where t = time

Hence the statement which does not represent the distance is

C) In 3 hours car will travel the distance of 160 miles and D).

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find the orthogonal trajectories of the family of curves. (use c for any needed constant.) y = 17 k x

Answers

To find the orthogonal trajectories of the family of curves y = 17kx, we need to follow some steps including differentiation or reciprocal etc.

Steps are:
Step 1: Differentiate the given equation with respect to x.
Differentiating both sides with respect to x, we have:
dy/dx = 17k

Step 2: Find the negative reciprocal of dy/dx.
The negative reciprocal of dy/dx is the slope of the curve orthogonal to the given family of curves: -(dx/dy) = -1/(17k)

Step 3: Solve the new differential equation.
Now, we need to solve the new differential equation: dx/dy = 1/(17k)

Notice that k is a constant, so let's rewrite the equation as: dx/dy = C, where C = 1/(17k)

Step 4: Integrate both sides of the equation.
Integrate dx/dy with respect to y:
∫(1) dx = ∫(C) dy

x = Cy + D, where D is the constant of integration.

Step 5: Express the equation in terms of y and x.
Now, substitute the original equation y = 17kx back into our orthogonal trajectory equation:

y = (1/C)(x - D)

This is the equation for the orthogonal trajectories of the family of curves y = 17kx, where C and D are constants related to k.

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A scatter plot is shown on the coordinate plane. scatter plot with points at 1 comma 9, 2 comma 7, 3 comma 5, 3 comma 9, 4 comma 3, 5 comma 7, 6 comma 5, and 9 comma 5 Which two points would a line of fit go through to best fit the data?

Answers

The points (3,5) and (6,5) would be good choices for the line of best fit.

To find the line of best fit, we want to draw a straight line through the points that best represents the overall trend of the data. This line should pass through as many points as possible while minimizing the distance between the points and the line.

To find the two points that the line of best fit should pass through, we want to select points that are close to the overall trend of the data and are not outliers.

To find the equation of the line of best fit, we can use a method called linear regression. This involves finding the equation of the straight line that minimizes the sum of the squared distances between the line and the points on the scatter plot.

Once we have the equation of the line of best fit, we can use it to make predictions about the data.

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is a continuous uniform (−9,9) random variable. define the event ={||≤7}. (a) what is the conditional pdf?

Answers

(a) The conditional PDF is f_X(x|A) = 1/14 for -7 ≤ x ≤ 7 and 0 otherwise.

A continuous uniform random variable defined on the interval (-9, 9) and the event A = {X: |X| ≤ 7}.

The event A implies that the random variable X lies in the interval [-7, 7]. In this interval, X is still uniformly distributed.

Since the length of the interval is 14, the PDF is 1/14, indicating a constant probability density within the given interval. Outside of this interval, the probability density is 0, as the event A does not cover those values of X.

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Find the measures of angle A and B. Round to the nearest degree.

Answers

The measure of angle A and B shown in triangle ABC are 61.4° and 28.6° respectively

How to solve an equation?

An equation is an expression that shows how numbers and variables are related to each other using mathematical operations.

From the image shown, using trigonometric rations:

tanA = 11/6

A = 61.4°

Also, for the angle B:

tanB = 6/11

B = 28.6°

The measure of angle A and B are 61.4° and 28.6° respectively

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cos 76° = tan 56° = sin 14° =

Answers

The evaluated value of the given trigonometric expression cos 76° – sin 14° is 0. The correct answer is option B.

The trigonometric expression is given as follows:

cos 76° – sin 14°

It is required to find the evaluated value of the given trigonometric expression.

As per the angle of cosine and sine relation: cos (90 – θ) = sin θ.

It can be rewritten as follows:

Here, cos 76 as cos (90 – 14)

And, cos 76 = cos (90 – 14) = sin 14

cos 76° – sin 14° = sin 14° – sin 14°

cos 76° – sin 14° = 0

Therefore, the evaluated value of the given trigonometric expression is 0.

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The complete question is as follows:

Evaluate cos 76° – sin 14°.

A. 1

B. 0

C. -1

D. 2

arrange the following in ascending order 16 upon 22, - 5 upon 18,2 upon - 21 ,- 7 upon 12

Answers

We can convert all the fractions to decimals and then arrange them in ascending order:

- 16/22 ≈ 0.727

- -5/18 ≈ -0.278

- 2/-21 ≈ -0.095

- -7/12 ≈ -0.583

Therefore, the ascending order would be:

2/-21 ≈ -0.095 < -5/18 ≈ -0.278 < -7/12 ≈ -0.583 < 16/22 ≈ 0.727

So the final arrangement in ascending order is:

2/-21, -5/18, -7/12, 16/22

suppose x is a bernoulli random variable and the probability that x=1 is 0.8. similarly y is a Bernoulli random variable with parameter 0.5 which is the probability that y=1. what is the probability that X+y=1?

Answers

The probability that X+Y=1 is 0.5.

To find the probability that X+Y=1, given that X is a Bernoulli random variable with P(X=1)=0.8 and Y is a Bernoulli random variable with P(Y=1)=0.5, follow these steps:

1. First, find the probabilities for the complementary events, i.e., P(X=0) and P(Y=0).
P(X=0) = 1 - P(X=1) = 1 - 0.8 = 0.2
P(Y=0) = 1 - P(Y=1) = 1 - 0.5 = 0.5

2. Now, consider the two possible cases where X+Y=1:
a) X=1 and Y=0: P(X=1) * P(Y=0) = 0.8 * 0.5 = 0.4
b) X=0 and Y=1: P(X=0) * P(Y=1) = 0.2 * 0.5 = 0.1

3. Finally, sum the probabilities of the two cases:
P(X+Y=1) = P(X=1, Y=0) + P(X=0, Y=1) = 0.4 + 0.1 = 0.5

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The probability that X+Y=1 is 0.5.

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Identify the null and alternative hypotheses to test each of the following situations. Complete parts a through c. a) An article from a business journal looked at 1120 CEOs from global companies and found that 35% had MBAs. Has the percentage changed? Let p be the proportion of CEOs with an MBA. H0 : P ___
VS
HA : P ___
(Type integers or decimals. Do not round.)

Answers

The null and alternative hypothesis: H0: p = 0.35, HA: p ≠ 0.35

What is hypothesis?

A hypothesis is an idea or explanation that is proposed and then tested through research and analysis to determine if it is supported by evidence or not. In statistics, a hypothesis is a statement about a population parameter, such as a mean or proportion, that is either true or false.

In this situation, we want to test whether the percentage of CEOs with an MBA has changed or not. We can set up two hypotheses, the null hypothesis (H0) and the alternative hypothesis (HA). The null hypothesis is the default position, which we assume to be true unless there is sufficient evidence to reject it. The alternative hypothesis represents the opposite of the null hypothesis, and it is what we want to test for.

In this case, the null hypothesis is that the percentage of CEOs with an MBA is equal to 35%, which means there is no change in the proportion. The alternative hypothesis is that the percentage of CEOs with an MBA is different from 35%, which implies a change in the proportion. Therefore, we have:

H0: P = 0.35

HA: P ≠ 0.35

where P represents the proportion of CEOs with an MBA.

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determine the value of 'c' for which the following system of equations have infinite number of solutions. 3x y 4z = 'c' 2x 3z = 2.7 2y - z = 12.0

Answers

X can be any real number, there are infinite values of c that will make the system consistent and dependent.

To have an infinite number of solutions, the system must be consistent and dependent. Thus, we need to find the value of 'c' for which the third equation is a linear combination of the first two equations.

Multiplying the second equation by 3 and adding it to the third equation, we get:

2y - z + 3(2x + 3z) = 12.0 + 3(2.7)

Simplifying, we get:

2y - z + 6x + 9z = 20.1

6x + y + 13z = 20.1

Now we have a system of two equations with three variables. To have an infinite number of solutions, one of the variables must be a free variable. Let's solve for z:

z = (20.1 - 6x - y) / 13

Now we can substitute this expression for z into the first two equations:

3x + y + 4[(20.1 - 6x - y) / 13] = c

2x + 3[(20.1 - 6x - y) / 13] = 2.7

Simplifying, we get:

39x + 13y = 52c - 321.6

39x - 6y = 41.7

To have an infinite number of solutions, the two equations must be linearly dependent. We can multiply the second equation by 13 and add it to the first equation to eliminate y:

754x = 52c - 525.9

Solving for c, we get:

c = (754x + 525.9) / 52

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a ski shop renta 5 snowboards for every 3 sets of skis it rents. suppose 126 set of skis were rented. how many snowboards were rented?

I need you to tell me how to solve it (with process)

Answers

Step-by-step explanation:

126 ski sets / (3 ski sets / 5 snowboards)

= 126 * 5/3 = 210 snowboards

Bella qualifies for $9,750 in scholarships and grants per year, and she will earn $3,100
through the work-study program.

Answers

a. Bella should estimate her cost per year to be $17,150.

b. It looks like Bella's family is contributing more than her estimated cost per year, so she may not need to contribute anything.

What is subtraction?

The act of deleting items from a collection is represented by subtraction. Subtraction is denoted by the minus sign. For instance, suppose there are nine oranges stacked. If four oranges are then transferred to a basket, there will now be nine oranges left in the stack (9 – 4).

a. To estimate Bella's cost per year, we need to subtract her financial aid from the total cost of attendance. Let's assume the total cost of attendance is $30,000 per year. Then, Bella's estimated cost per year would be:

Total cost of attendance - Financial aid = Estimated cost per year

$30,000 - $9,750 - $3,100 = $17,150

Therefore, Bella should estimate her cost per year to be $17,150.

b. If Bella's family is contributing $20,000 towards her expenses each year, she needs to contribute the remaining amount. To calculate how much she needs to contribute each year, we can subtract her family's contribution from her estimated cost per year:

Estimated cost per year - Family contribution = Bella's contribution

$17,150 - $20,000 = -$2,850

It looks like Bella's family is contributing more than her estimated cost per year, so she may not need to contribute anything. However, it's important to keep in mind that these are just estimates and actual costs may vary.

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Explanation needed aswell please

Answers

The image is plotted and attached

Description of the plot

The rectangle started with ABCD. Then following the reflection along line AC. point B and point D swapped so we have B' replacing D and D' replacing B.

180 degrees rotation through C, resulted to B'' D'' and A'. Point C maintains it's position since the rotation is about point C.

A' replacing AB'' replacing B'D'' replacing D'

Enlargement by a factor of 2 results to C' B''' D''' A'' and this is the final image.

While the reflection and rotation preserves the geometry, the enlargement affects the geometry, producing a rectangle with a bigger size twice the initial size

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A baker has 20 eggs and 18 cups of flour.

One batch of chocolate chip cookies requires 4 eggs and 3 cups of flour.
One batch of oatmeal raisin cookies requires 2 eggs and 3 cups of flour.
The baker makes $5 profit for each batch of chocolate chip cookies and $3 profit for each batch of oatmeal raisin cookies.

How many batches of each type of cookie should she make to maximize profit?

Answers

Answer:

Step-by-step explanation:

Note that maximum profit is $26. This point is obtained when the baker has made 4 batches of chocolate chip cookies and 2 bactches of oatmean raisons cookies.

How did we arrive at the above?

Lets define x as the number of batches of chocolate chip cokies

We want to maximize profit, which is given by:

P = 5x + 3y

subject to the constraints:

4x + 2y ≤ 20 (egg constraint)

3x + 3y ≤ 18 (flour constraint)

x, y ≥ 0 (non-negativity constraint)

We can rewrite the constraints as:

2x + y ≤ 10

x + y ≤ 6

Graphing these constraints on a coordinate plane, we see that the feasible region is a triangle with vertices at (0,0), (0,6), and (4,2)

See agraph attached.

We want to find the point (x,y) within this region that maximizes P.

One way to do this is to calculate P at each vertex of the feasible region:

P( 0,0) = 0

P (0, 6) = 3(6) = 18

P (4,2) =
5(4) + 3(2) =

So the point of profit maximization is at $ 26.

Thica can happen when the baker is baking 4 batches of chocolate chip cookies and 2 batches of oatmeal raisin cookies.

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Find a non-zero vector w∈R4 which is orthogonal to all of the following vectors:Enter the vector w in the form [c1,c2,c3,c4]:

Answers

To write the vector w in the form [c1,c2,c3,c4], we can simply list the components of w in order. So our final answer is w = [c1, c2, c3, c4] (where c1, c2, c3, and c4 are the components of the vector w that we found using the cross product).

To find a non-zero vector w∈R4 which is orthogonal to all of the given vectors, we can use the cross product. Let's call the given vectors u1, u2, u3, and u4. Then we can find w as:

w = u1 x u2 x u3 x u4

where "x" represents the cross product. This means we take the cross product of u1 and u2, then take the cross product of that result with u3, and so on until we have taken the cross product of all four vectors.

The resulting vector w will be orthogonal to all of the given vectors, since the cross product of two vectors is always orthogonal to both of the original vectors.

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Write the example of non polyhydrons the length of a fields and a rectangular ,cone,sphere,semi- circle

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The example of non polyhydrons the length of a fields are equals to the cone and sphere. So, option (b) and (c) is rigth choices for answering this problem.

The solid objects which have faces (flat faces) are called polyhedra (singular is polyhedron) and the solid objects which have curved faces are called non-polyhedra. Some examples of non-polyhedra are sphere, cylinder, cone . A sphere is not a polyhedron because it is not composed of flat faces connected at straight edges, thus it does not form a shape. Cone is not a polyhedron because it has a curved surface. Rectangle is a polyhedron because it has a curved shape.

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Complete question:

Write the example of non polyhydrons the length of a fields and

a) a rectangular

b) cone

c) sphere

d) semi- circle

1. for x = 1001 1010 0011 1101, show the result of the following operations. a) shl(x) b) shr(x) c) cil(x) d) cir(x) e) ashl(x) f) ashr(x) g) dshl(x) h) dshr(x)

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The following parts can be answered by the concept of Operations.

a) shl(x): The result of left shifting x by 1 bit is 0010 0100 0111 1010.

b) shr(x): The result of right shifting x by 1 bit is 0100 1100 0111 1011.

c) cil(x): The result of circularly left shifting x by 1 bit is 0010 0100 0111 1010.

d) cir(x): The result of circularly right shifting x by 1 bit is 1100 1101 1001 1110.

e) ashl(x): The result of arithmetic left shifting x by 1 bit is 0010 0100 0111 1010.

f) ashr(x): The result of arithmetic right shifting x by 1 bit is 1100 1101 1001 1110.

g) dshl(x): The result of double precision left shifting x by 1 bit is 0010 0100 0111 1010 0000.

h) dshr(x): The result of double precision right shifting x by 1 bit is 0000 1001 0100 1000 1111.

a) shl(x): Left shifting x by 1 bit means shifting all the bits in x to the left by 1 position. The leftmost bit is lost, and a 0 is shifted in from the right. Therefore, the result is 0010 0100 0111 1010.

b) shr(x): Right shifting x by 1 bit means shifting all the bits in x to the right by 1 position. The rightmost bit is lost, and a 0 is shifted in from the left. Therefore, the result is 0100 1100 0111 1011.

c) cil(x): Circularly left shifting x by 1 bit means shifting all the bits in x to the left by 1 position, and the leftmost bit is shifted to the rightmost position. Therefore, the result is 0010 0100 0111 1010.

d) cir(x): Circularly right shifting x by 1 bit means shifting all the bits in x to the right by 1 position, and the rightmost bit is shifted to the leftmost position. Therefore, the result is 1100 1101 1001 1110.

e) ashl(x): Arithmetic left shifting x by 1 bit is similar to logical left shifting, except that the sign bit (the leftmost bit) is preserved. Therefore, the result is 0010 0100 0111 1010.

f) ashr(x): Arithmetic right shifting x by 1 bit is similar to logical right shifting, except that the sign bit (the leftmost bit) is preserved. Therefore, the result is 1100 1101 1001 1110.

g) dshl(x): Double precision left shifting x by 1 bit means shifting all the bits in x, including the sign bit, to the left by 1 position. The leftmost bit is lost, and a 0 is shifted in from the right. Therefore, the result is 0010 0100 0111 1010 0000.

h) dshr(x): Double precision right shifting x by 1 bit means shifting all the bits in x, including the sign bit, to the right by 1 position. The rightmost bit is lost, and the sign bit is duplicated to fill the leftmost bit positions. Therefore, the result is 0000 1001 0100 1000 1111

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