please help me will give you brainliest!!

Answer:

the answer is D which is (4,2)

Step-by-step explanation:

this is how it looks when reflected

Step-by-step explanation:

Notice that:

1 * 4 = 4,

4 * 4 = 16,

16 * 4 = 64.

Each term is 4 times of the previous term.

Hence the next term would be 64 * 4 = 256.

Partial derivative with respect to\(X = dF/dX = 2XY - (X + Y)2-2 + Y2e-XZ\)

Partial derivative with respect to \(Y = dF/dY = X2 - 6Y + (X + Y)2-2XYe-XZ\)

The first partial derivatives of the function F(X,Y) = X2Y - 3Y2 + X/(X + Y)2 + XY2e-XZ can be found by taking the partial derivative with respect to each of the variables X and Y separately.
For the partial derivative with respect to X, we have:
Partial derivative with respect to X = dF/dX = 2XY - (X + Y)2-2 + Y2e-XZ
For the partial derivative with respect to Y, we have:
Partial derivative with respect to \(Y = dF/dY = X2 - 6Y + (X + Y)2-2XYe-XZ\)
This completes the calculation of the first partial derivatives of the function F(X,Y).
The first partial derivatives of the functions are given below:

\(F(x, y) = x^2y - 3y^2\)

The first partial derivative with respect to x,

Fx (x, y) = 2xy

The first partial derivative with respect to y,\(Fy (x, y) = x^2 - 6yW = xy^2 e^-xz\)

The first partial derivative with respect to x,

\(Wx (x, y, z) = y^2e^-xz - x^2y^2e^-xz\)

The first partial derivative with respect to y, Wy (x, y, z) = 2xye^-xz

The first partial derivative with respect to z, \(Wz (x, y, z) = -xy^2e^-xz\)

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Yes

SoRrY If It'S wRoNg AgAiN

A car travel 20kph faster than a truck. the car cover 350 km in two hours less than the time. The speed of the car is 50 km/h. The speed of truck is 70 km/h.

You can determine an object's speed if you know how far it moves in a given amount of time. For instance, an automobile is moving at a pace of 70 miles per hour if it covers 70 miles in an hour (miles per hour).

Given,

A car travel 20kph faster than a truck. the car cover 350 km in two hours less than the time.

Let s represent the truck's speed and (s+20) represent the car's speed.

to determine each vehicle's time

Time = Speed / Distance

truck time = 350/s

Time in an automobile is 350/(s+20)

Truck time - car time = 2 hours

So,

(350/s) - [350/(s+20)] = 2

LCM is s(s+20)

[350(s+20) - 350s]/s(s+20) = 2

Cross multiplying,

350(s+20) - 350s = 2s(s+20)

Simplifying the equation,

350s + 7000 - 350s = 2s² + 40s

Now, we have quadratic equation to simplify,

2s² + 40s - 7000 = 0

Dividing the equation by 2

s² + 20s - 3500 = 0

Factorizing,

s= 50

s= -70 (impossible because of the sign)

Hence the truck's speed is s = 50 km/h.

The speed of the car is s + 20 = 70 km/h.

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Answer:

the fourth which passed through (0;2)

Answer:

graph 4

Step-by-step explanation:

If the slope is positive then the graph is linear increasing function.

If the slope is negative then the graph is linear decreasing function.

Graph 1) slope = 4/3

Graph 4) slope = -3/2

So, Graph 4 is linear decreasing function.

Answer:

Carter's bedroom would cost more to carpet than Carly's because the floor area of the former is about five square feet greater than the floor area of Carly's bedroom.

Step-by-step explanation:

The area of either of these floors is found by multiplying length by width:

A = L*W.

Carly's bedroom is 15.3 ft by 8.7 ft; multiplying, we get A = 133.11 ft^2

Carter's is 14.4 ft by 9.6 ft:  A = 138.24 ft^2

Carter's bedroom area (138.24 ft^2) is about 5 ft^2 larger than Carly's and would thus cost more to carpet.

the correlation coefficient between x and y is -0.8. The correct answer is C. -0.8.

The correlation coefficient between x and y can be calculated using the formula:
correlation coefficient = covariance / (sample standard deviation of x * sample standard deviation of y)
Substituting the given values, we get:
correlation coefficient = -120 / (10 * 15) = -0.8
Therefore, the correct answer is C. -0.8.
The correlation coefficient between x and y can be calculated using the formula:
Correlation coefficient (r) = Covariance(x, y) / (Standard deviation(x) * Standard deviation(y))
Given the values:
Standard deviation(x) = 10
Standard deviation(y) = 15
Covariance(x, y) = -120
Plugging in the values into the formula:
r = (-120) / (10 * 15)
r = -120 / 150
r = -0.8
So, the correlation coefficient between x and y is -0.8. The correct answer is C. -0.8.

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The three digit number is 727 while the one digit number is 4

Given data

The sum of a three-digit number and a one-digit number is 731.

The product of the numbers is 2,908

let three digit number be x, y, and z

let the one digit be w

The sum

xyz + w =731

xyz * w = 2,908

making xyz the subject of formula

xyz = 731 - w

plugging in xyz into xyz * w = 2,908

( 731 - w ) * w = 2908

731w - w^2 = 2908

w^2 - 731w + 2908 = 0

solving the quadratic equation gives

w = 727 or 4

since w is a one digit number then w = 4

plugging in w = 4 into xyz + w =731 we have

xyz + w =731

xyz + 4 =731

xyz =731 - 4

xyz  = 727

Hence the three digit number is 727 while the one digit number is 4

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Answer: 1725 ft^2

Step-by-step explanation:

Rectangle part is 30*50 or l*w = 1500

Triangle is 15*30/2=225

Add the two to get area

1500+225=1725

The values of sin(x + y) and tan(x - y) are (c) 253/325 and -323/36, respectively.

Given that angle x is in quadrant II and angle y is in quadrant III, we can determine the signs of sin(x) and cos(y) based on the quadrant definitions.

In quadrant II, sin(x) is positive, so sin(x) = 7/25.

In quadrant III, cos(y) is negative, so cos(y) = -5/13.

To find sin(x + y), we can use the trigonometric identity sin(x + y) = sin(x)cos(y) + cos(x)sin(y). Since sin(x) and cos(y) are given, we substitute the values and simplify:

sin(x + y) = (7/25)(-5/13) + (√(1 - (7/25)^2))(√(1 - (-5/13)^2))

            = -35/325 + (24/25)(12/13)

            = -35/325 + 288/325

            = 253/325

To find tan(x - y), we use the identity tan(x - y) = (sin(x)cos(y) - cos(x)sin(y)) / (cos(x)cos(y) + sin(x)sin(y)):

tan(x - y) = (7/25)(-5/13) - (√(1 - (7/25)^2))(√(1 - (-5/13)^2))

            = -35/325 - (24/25)(12/13)

            = -35/325 - 288/325

            = -323/36

Therefore, the values of sin(x + y) and tan(x - y) are 253/325 and -323/36, respectively, as given in option (c).

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Answer:

Let A represent the center of the circle. Let the point B be a point at the intersection of the one end of the chord and the edge of the circle. Finally, let C represent a point between the center of the circle and the midpoint of the cord. The triangle ABC is a right triangle with a 90 degree angle at ACB. Since the cord length is 30, the bisected segment BC is length 15 .

(length AB)^2 = (length BC)^2 + (length AC)^2

17^2 = 15^2 + (length AC)^2

289 = 225 + (length AC)^2

add -225 to each side

64 = (length AC)^2

take square root of each side

8 = length AC

In September 2021, the approximate number of citizens incarcerated in jails and prisons is around 2.3 million.

It is important to note that this figure can vary over time due to changes in policies, criminal justice reforms, and other factors. The incarcerated population includes individuals who have been convicted of crimes and are serving their sentences, as well as those who are awaiting trial or have been sentenced but not yet transferred to a correctional facility.

These numbers can vary between different countries and jurisdictions. To obtain the most accurate and up-to-date information on current incarceration rates, it is advisable to refer to official sources such as the U.S. Bureau of Justice Statistics or relevant governmental organizations in your country.

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Answer:

C

Step-by-step explanation:

Given

v = u + at ( subtract u from both sides )

v - u = at ( isolate t by dividing both sides by a )

\(\frac{v-u}{a}\) = t

Answer:

21,952.6

Step-by-step explanation:

20÷4=5

5+109,758= 109,763

109,763÷5 = 21,952.6

Answer:

21952.6

Step-by-step explanation:

Since there are 4 people in total, you divide 20 by 4 giving you 5. By adding 109,758 you will get 109,763. Dividing that by 5 then gives you the answer: 21,952.6

No, the determinant of a matrix can only be calculated for square matrices. A square matrix has an equal number of rows and columns, while a non-square matrix has a different number of rows and columns.

The determinant is a mathematical property that is defined for square matrices only. It is a scalar value that represents certain characteristics of the matrix. To calculate the determinant of a square matrix, you can use various methods such as expansion by minors, cofactor expansion, or using the properties of determinants.

For example, let's consider a 3x2 non-square matrix:

```

A = [[1, 2],

    [3, 4],

    [5, 6]]

```

Since A is a non-square matrix, we cannot calculate its determinant.

the determinant is a concept applicable only to square matrices. Non-square matrices do not have a determinant.

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Answer: 32

Step-by-step explanation:

The value of the number is 1880

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

3/4 of a number is 1410

Represent the number with the variable x

So, we have

3/4 of x = 1410

Express as product

3/4 * x = 1410

Make x the subject of the formula

So, we have the following representation

x = 4 * 1410/3

Evaluate

x = 1880

Hence, the number is 1880

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True, Reinforcement Learning (RL) with linear function approximation may not work effectively on environments having a continuous state space.

The reason behind this is the complexity and high dimensionality of continuous state spaces, which often makes it difficult for a linear function to capture the underlying structure of the environment accurately.
Linear function approximation involves using a linear combination of features to estimate the value function or the optimal policy in RL. While this approach works well for discrete state spaces and simple problems, it struggles to handle continuous state spaces where the relationships between states and actions are more complex and nonlinear.
In such environments, a more sophisticated function approximation technique, such as neural networks or kernel-based methods, might be required to learn and generalize from continuous state spaces effectively. These methods can capture nonlinear relationships, enabling better performance in challenging environments.
In summary, although RL with linear function approximation can work in some cases, it might not be effective in environments with continuous state spaces due to the complexity and high dimensionality involved. More advanced function approximation techniques are typically necessary for successful learning in such situations.

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Answer:

7 weeks

Step-by-step explanation:

Joey gets 17 per week

\(17x\) with x the number of weeks

he wants to buy a basketball cap that 43.67

\(equation\geq 43.67\)

he has already saved 22.22

\(+22.22\)

has to pay 13.45 each week

\(-13.45x\)

\(17x+22.22-13.45x\geq 43.67\\\\(17x-13.45x)+22.22\geq 43.67\\\\3.55x+22.22\geq 43.67\\\\3.55x\geq 43.67-22.22\\\\3.55x\geq 21.45\\\\x\geq \frac{21.45}{3.55} \\\\x\geq 6.04...\)

but we don't wake a 0.4 of a week so we need the next whole number 7

so it will take 7

The angles which are supplementary and vertically opposite here is option (b) 90 degrees and 90 degrees

Angles are said tyo be supplementary when the two angles sum up to 180 degrees.

Angles are also vertically opposite when they are equal

So the option that satisfies this condition is:

(b) 90 degrees and 90 degrees

Answer:

B the height is 16 ft

Step-by-step explanation:

Answer:16

Step-by-step explanation: k12

Answer:

Step-by-step explanation:

1) -3

2) 2

3)  you need a graphing tool or some graph paper

Answer:

3.915

Step-by-step explanation:

Use a calculator.

8.7 × 0.45 = 3.915

Answer:

0.0514006682

Step-by-step explanation:

Answer:

Step-by-step explanation:

Expanding the expression (g+h)(p+q-r) using the distributive property, we get:

(g+h)(p+q-r) = g(p+q-r) + h(p+q-r)

Now, applying the distributive property again, we can simplify this expression to:

(g+h)(p+q-r) = gp + gq - gr + hp + hq - hr

Therefore, the expression (g+h)(p+q-r) is equivalent to:

gp + gq - gr + hp + hq - hr

a. The chart did not maintain consistent scaling

b. The graph is not the appropriate graph type to display such data

c.  The display had inaccurate or distorted visual representations

When the actual data may not support it, changing the scales on the axes might give the appearance of big changes or differences.

The visual effect of data can be exaggerated or minimized, for instance, by adopting a non-linear scale or deleting specific sections of the axis.

So it important to Choose appropriate graph type that best represents the data and the relationship you want to convey.

It also advisable to make use of  clear and accurate labeling with descriptive titles and units of measurement.

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