Need all the answers

Answer:

$812.25

Step-by-step explanation:

Given data

Cost of TV=  $855

Discount= 10%

Tax= 5%

Let us find the amount of the Discount

=10/100*855

=0.1*855

=$85.5

Let us find the amount of the Tax

=5100*855

=0.05*855

=$42.75

Hence the cost of the TV is

=855+42.75-85.5

=897.75-85.5

=$812.25

Answer:Just add them all

Step-by-step explanation:

Answer:

80

Step-by-step explanation:

First you have to find the percentage of pan crust to all the other crusts to do this you add all the crusts together:

397+220+167+196 = 980

Then divide 196 by 980:

196/980 = .2 or 20%

Then multiply 400 by 20%

400*20% = 80

Here's a more detailed explanation: To determine if a graph is a function, you can use the vertical line test. The vertical line test states that if you can draw a vertical line that intersects the graph in more than one place, then the graph is not a function.

Determining whether a graph represents a function is an important concept in mathematics, especially in algebra and calculus. A function is a set of ordered pairs where each input is associated with exactly one output.

So, if you take a ruler or a straight edge and place it vertically on the graph, and it intersects the graph in two or more points, then the graph is not a function. This is because if two points in the graph have the same x-value, they must have different y-values, since functions can only have one output for each input.

On the other hand, if you place a vertical line anywhere on the graph and it intersects the graph in only one point, then the graph is a function.

It's also important to remember that a function must also pass the horizontal line test, which means that no horizontal line can intersect the graph in more than one place.

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Answer:

no lo se

Step-by-step explanation:

solo quiero punts

The height equal to the given rectangle couldn't be found due to the reason of more information is needed. Therefore the required answer for the question is Option D.

So, the Probability density function is portrayed graphically as a rectangle where   (b-a) is the base and 1/(b-a)  is the required height.

Probability density function refers to the method that helps to define the random variable's probability within a distinct range of values as opposed to taking one value.

then,

the height of the rectangle for a uniform probability distribution should be 1/(b-a)

The height equal to the given rectangle couldn't be found due to the reason of more information is needed. Thus the correct answer is Option D.  

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Modification to improve the efficiency of the heat exchanger, One way to improve the efficiency of the heat exchanger is by increasing the flow rate of the fluid (oil and water) without altering the overall design of the heat exchanger

Mass flow rate of oil (m1) = 6 kg/s,Specific heat of oil (cp) = 2 kJ/kg K,Initial temperature of oil (T1) = 20°C,Final temperature of oil (T2) = 48°C,Inlet temperature of water (Tw1) = 90°C,Outlet temperature of water (Tw2) = 55°C,Overall heat transfer coefficient (U) = 2000 W/m2 K.

The amount of heat transferred,Heat transfer rate (Q) = m1cp (T2 – T1)We know that,Q = UA (Tw1 – T2)

Therefore,m1cp (T2 – T1) = UA (Tw1 – T2)

Therefore,Q = 6 × 2 × (48 – 20) × 103= 86400 W= 86.4 kWThe transfer area,We know that,Q = UA (Tw1 – T2)

Therefore,A = Q / U (Tw1 – T2)

Therefore,A = 86,400 / (2000 × (90 – 55))

Therefore,A = 4.32 m2The efficiency of the heat exchanger,Heat transfer rate (Q) = m1cp (T2 – T1)

We know that,Heat input = m1 cp (T2 – T1) × 100Therefore,η = Q / (m2 × cp × (Tw1 – Tw2)) × 100Therefore,η = 86,400 / (1 × 4.18 × (90 – 55)) × 100

Therefore,η = 53.1%Modification to improve the efficiency of the heat exchanger, One way to improve the efficiency of the heat exchanger is by increasing the flow rate of the fluid (oil and water) without altering the overall design of the heat exchanger.

This increase in the flow rate will increase the rate of heat transfer, which will lead to an increase in the efficiency of the heat exchanger.

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Answer:

\(Average = 38\)

Step-by-step explanation:

Given

The attached histogram

Required

The average work hours by 20 salespeople

First, we get the total hours worked as follows:

\(Hours = 3 * 30 + 5 * 34 + 9 * 40 + 2 * 45 + 1 * 50\)

\(Hours = 760\)

Divide by number of salespeople

\(Average = Hours/n\)

\(Average = 760/20\)

\(Average = 38\)

Statistical process control (SPC) is a technique used in quality control to monitor and control a process over time

What is used to periodically check that a process is in statistical control?

a. sampling

b. scrap parts

c. the process is only measured in the beginning 100 percent inspection.

a. Sampling is used to periodically check that a process is in statistical control.

Statistical process control (SPC) is a technique used in quality control to monitor and control a process over time. SPC involves collecting and analyzing data on the process, and using statistical methods to determine whether the process is in statistical control (i.e., producing consistent and predictable results) or is out of control (i.e., producing inconsistent or unpredictable results).

One way to monitor a process using SPC is to use sampling. This involves taking a sample of parts or products from the process at regular intervals, and measuring certain characteristics of the sample (such as dimensions, weight, or color). The data collected from the samples can then be analyzed using statistical methods to determine whether the process is in control or out of control.

If the data collected from the samples indicates that the process is out of control (i.e., producing inconsistent or unpredictable results), corrective action can be taken to bring the process back into control. By regularly monitoring and adjusting the process using SPC techniques like sampling, organizations can ensure that their processes are producing consistent and high-quality results.

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Answer:

Area=153.75 divdided by 2 = 76.88

permitere= 8 + 10.25+18.8=37.05

Step-by-step explanation:

Answer:

Yes it is absolutely right.

A standard subdivision consists of subdivisions with four or fewer parcels.

In a standard subdivision, the number of parcels is limited to four or fewer. This means that each subdivision within the standard subdivision will have a maximum of four parcels.

So, if you are looking for a standard subdivision, you can expect to find subdivisions with four or fewer parcels.

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the solution to the equation by completing the square is: x = (9/2) ± √(-7k - 47/4).

To solve the given equation by completing the square, we need to rewrite the equation in the form of \((x + a)^2 = b\) , where a and b are constants. This can be done by following these steps:

1. Move all the terms to one side of the equation:

\(5x^2 + 7k + 76 - 9x - 4x^2 = 0\)

2. Combine like terms:

\(x^2 - 9x + 7k + 76 = 0\)

3. Rewrite the equation by completing the square for the x terms. To do this, take half of the coefficient of x (-9/2), square it, and add it to both sides of the equation:

\(x^2 - 9x + (-(9/2))^2 + 7k + 76 - (-(9/2))^2 = (-(9/2))^2\)

4. Simplify:

\((x - (9/2))^2 + 7k + 76 - (81/4) = 81/4\)

5. Combine constants:

\((x - (9/2))^2 + 7k + 47/4 = 0\)

6. Solve for x by taking the square root of both sides:

x - (9/2) = ±√(-7k - 47/4)

7. Add (9/2) to both sides:

x = (9/2) ± √(-7k - 47/4)

Therefore, the solution to the equation by completing the square is: x = (9/2) ± √(-7k - 47/4).

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Answer

64

Step-by-step explanation:

4 x 4 x 4
so it's like you take 4 and 3 stage = 4 x 4 x 4

Hope it helped !
Have a nice day studying ! Mark me as Brainliest too Ty !

The terms that complete the three blanks are:

Transformation involves changing the position and the size of a shape, line or point

When a shape is shifted vertically, and then reflected across the x-axis;

The rule of transformation is: -f(x) + k

When a shape is reflected across the x-axis, and then shifted vertically;

The rule of transformation is: -f(x) + k

Notice that the rule of both transformations are the same.

Hence, reversing the order does not change the final result

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A complete list of the numbers in the pattern: 3, 6, 10, 14, 18, etc.

The number pattern you described is as follows:

3,

(2*5)-4 = 6,

(2*7)-4 = 10,

(2*9)-4 = 14,

(2*11)-4 = 18,

The first number is 3, and then each subsequent number is found by multiplying the previous odd number by 2 and then subtracting 4.

For example, the second number is found by multiplying the first number by 2 and then subtracting 4, which gives us 6. The third number is found by multiplying the second number by 2 and then subtracting 4, which gives us 10.

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We are given the following function:

The graph of this equation is a parabola for values of x < 2 and a line for values of 2<= x <= 6. The graph is the following:

Answer:180

Step-by-step explanation:

hope this helps

Answer:

0.8 mm

Step-by-step explanation:

Given that you require the actual size.

The ant has been magnified by 15 X

To find the actual size divide magnified size by 15

actual size = 12 mm ÷ 15 = 0.8 mm

Answer:

<R = 26degrees

Step-by-step explanation:

Making <R as the reference angle

Adjacent side = 12.7

Hypotenuse = 14.1

Cos <R = adj/hyp

Cos <R = 12.7/14.1

Cos <R = 0.9007

<R = arccos(0.9007)

<R =25.7

<R = 26degrees

Answer:

A. 26°

Step-by-step explanation:

I took it on EDG

The price that maximizes revenue is p = 120.

The price that maximizes revenue, we need to find the value of price (p) that corresponds to the maximum value of revenue (R). Revenue is calculated by multiplying the quantity (q) sold by the price (p), so we can express revenue as R = p × q.

Given the demand function q = -5p + 1200, we can substitute this expression for q into the revenue equation:

R = p × q

R = p × (-5p + 1200)

To find the price that maximizes revenue, we can take the derivative of the revenue function with respect to price (p), set it equal to zero, and solve for p.

dR/dp = -10p + 1200 = 0

Solving this equation for p:

-10p + 1200 = 0

-10p = -1200

p = -1200 / -10

p = 120

Therefore, the price that maximizes revenue is p = 120.

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The volume of a cone can be calculated using the formula \(V = (1/3) * * r2 * h\), where V is a constant roughly equal to 3.14159, r is the radius, and h is the height.

When the required values are substituted, the answer is \(V = (1/3) * 3.14159 * (1.75 feet)2 * 2.1\) feet.

The assessment of this expression yields V = 5.6688 cubic feet. The cone has a radius of 1.75 feet, a height of 2.1 feet, and a volume of approximately 5.6688 cubic feet."Pitch" is the technical word for the rotating movement of an airplane's nose. Pitch describes the rotation of the aircraft's nose around its lateral axis, either upward or downward. A plane is said to be in a positive pitch attitude when its nose is pointing up, and a negative pitch attitude when it is pointing down. Pitch control is essential for maintaining the correct flying path and managing the aircraft's height.

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The example of 2×3 matrix A and a 3×2 matrix B such that, letting T(x)=Ax and U(x)=Bx is reflection Ab.

Matrices, the plural form of matrix, are the groupings of numbers, variables, symbols, or phrases in a rectangular table with varying rows and columns. These are rectangular arrays with specified operations such as addition, multiplication, and transposition. The elements of the matrix are the numbers or entries in it. The horizontal entries of matrices are referred to as rows, whereas the vertical elements are referred to as columns.

Let,

\(B = \left[\begin{array}{cc}0&1\\1&0&0&0\end{array}\right] , A = \left[\begin{array}{ccc}1&0&0\\0&1&0\\\end{array}\right]\)

Then,

\(AB =\left[\begin{array}{ccc}1&0&0\\0&1&0\\\end{array}\right] \left[\begin{array}{cc}0&1&1&0&0&0\\\end{array}\right] \\\\AB = \left[\begin{array}{cc}0&1&1&0\\\end{array}\right]\)

Therefore, Ab is reflection about y = x .

As U = Bx and T∘U    

A matrix is a rectangular array of integers, variables, symbols, or expressions that are defined for subtraction, addition, and multiplication operations. The number of rows and columns in a matrix determines its size (also known as the order of the matrix).          

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It is possible to answer in 1024 different ways the seven questions.

What is quiz?

A form of game or competition where knowledge is tested by asking question is called quiz.

There are 2 possible answers for each true/ false question.

Since there are 4 true/false questions, the total number of ways to answer them is 4² = 16.

for each multiple choice question, there are 4 possible answers.

Since there are numbers multiple choice questions are 3 and the total number of ways to answer them is 4³ = 64.

Therefore, the total number of ways to answer questions is the product of the number of ways to answer the true/false questions and the number of ways to answer the multiple choice questions:

16 × 64 = 1024

It is possible to answer in 1024 different ways the seven questions.

So the answer is (d).

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Answer: In physics, when you break a vector into its parts, those parts are called its components. For example, in the vector (4, 1), the x-axis (horizontal) component is 4, and the y-axis (vertical) component is 1. Typically, a physics problem gives you an angle and a magnitude to define a vector; you have to find the components yourself using a little trigonometry.

Suppose you know that a ball is rolling on a flat table at 15 degrees from a direction parallel to the bottom edge at a speed of 7.0 meters/second. You may want to find out how long the ball will take to roll off the edge 1.0 meter to the right.

Define your axes so the ball is at the origin initially and the x-axis is parallel to the bottom edge of the table (refer to the figure). Therefore, the problem breaks down to finding out how long the ball will take to roll 1.0 meter in the x direction. To find the time, you first need to know how fast the ball is moving in the x direction.

The solution to the system is (x, y) = (3b/2, b/2), which can be written as (1, a) by letting a = b/2. Therefore, the value of a in terms of b is a = b/2.

The term "diagonal" usually refers to a line segment that connects two non- adjacent corners of a geometric shape, such as a square or a rectangle, and which lies inside the shape.

For example, in a square, the diagonal is the line segment that connects opposite corners of the square, and which passes through its center. The length of the diagonal can be calculated using the Pythagorean theorem, which states that the square of the length of the diagonal is equal to the sum of the squares of the lengths of the sides of the square.

by the question.

Let's denote the acute angle of the rhombus as x degrees. Then, we know that the obtuse angle is twice as large, so it must be 2x degrees.

We also know that the diagonals of a rhombus are perpendicular bisectors of each other. Therefore, the shorter diagonal (which we'll call d1) divides the rhombus into two congruent right triangles, each with hypotenuse 13cm and one leg equal to half the length of d1, which is 5cm (since d1 is the perpendicular bisector of the other diagonal).

Using the Pythagorean theorem, we can find the length of the other leg of each right triangle:

a²+b² = c2

a²+52 = 132 a² = 144

a = 12

Therefore, the length of each half of the longer diagonal (which we'll call d2) is 12cm. The full length of d2 is twice this, or 24cm.

Now we can use the fact that the diagonals of a rhombus bisect each other at 90-degree angles to find the acute angle of the rhombus:

tan(x) = (d1/2)/(d2/2) = d1/d2

tan(x) = 10/24

x=tan 1(10/24) = 23.19degrees

x = 23.19°

To solve for the value of a in the system:

x + y = b ...(1)

x - y = 2b ...(2)

We can add equations (1) and (2) to eliminate y:

(x + y) + (x - y) = b + 2b

2x = 3b

x = 3b/2

Substituting x = 3b/2 into equation (1):

3b/2 + y = b

y = b/2

So the solution to the system is (x, y) = (3b/2, b/2), which can be written as (1, a) by letting a = b/2. Therefore, the value of a in terms of b is a = b/2.

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Answer:

i dunno i think its B

Answer:

Rachel will have 9.25$ more than Bob after 13 weeks