What’s the answer to -8xy+2xy

Answer:

do u have a full screenshot of it???

Step-by-step explanation:

\(~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] ~\dotfill\\\\ (4)^{\frac{-4}{2}} \implies (4)^{-2}\implies 4^{-2}\implies \cfrac{1}{4^2}\implies \cfrac{1}{16}\)

The x coordinate for the patch (and any other patch) on the left face of an object is the smallest x value within the object's domain, as it corresponds to the position of the left face in relation to the coordinate system. All patches on the left face share this same x coordinate value, regardless of their location on the face.

To answer this question about the x coordinate for the patch on the left face, let's break it down:
1. Identify the left face: First, we need to recognize which face of the object is the left face. This is typically the side that faces left when looking at the object in its standard orientation.

2. Find the x coordinate: Since the left face of an object is perpendicular to the x-axis, the x coordinate for any point (or patch) on that face will be the same. This means that all patches on the left face share the same x coordinate value.
3. Determine the specific x coordinate value: To find the actual value of the x coordinate, examine the object's dimensions and/or coordinate system. The x coordinate for the left face will be the smallest x value within the object's domain.

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The derivative of f(x) =−3cos(x)+4sin(x) at the point x = π/3 is (3√3 + 4)/2.

The derivative of f(x) = -3cos(x) + 4sin(x) at the point x = π/3 can be found by first taking the derivative of the function and then plugging in the given value for x.

The derivative of f(x) is given as f'(x) = 3sin(x) + 4cos(x).

Next, plug in x = π/3 to find the derivative at that point:

f'(π/3) = 3sin(π/3) + 4cos(π/3)

= 3(√3/2) + 4(1/2)

= (3√3 + 4)/2

Therefore, the derivative of f(x) at the point x = π/3 is (3√3 + 4)/2.

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To find the absolute maximum and minimum of a function, determine the critical points and evaluate the function at those points and the endpoints of the interval.

To find the absolute maximum and minimum of a function, you need to follow these steps:

1. Determine the critical points of the function by finding where its derivative equals zero or is undefined. These points can be potential candidates for the maximum or minimum values.

2. Evaluate the function at the critical points and at the endpoints of the interval you are considering. The highest value among these points will be the absolute maximum, while the lowest value will be the absolute minimum.

Let's illustrate this with an example:

Consider the function f(x) = x^2 - 4x + 5 on the interval [0, 5].

1. To find the critical points, we need to find where the derivative is equal to zero or undefined. Taking the derivative of f(x),

we get f'(x) = 2x - 4.

Setting this equal to zero gives us 2x - 4 = 0, which implies x = 2. So, x = 2 is the only critical point.

2. Now, we evaluate the function at the critical point and the endpoints of the interval:
f(0) = 0^2 - 4(0) + 5 = 5
f(2) = 2^2 - 4(2) + 5 = 1
f(5) = 5^2 - 4(5) + 5 = -5

From these evaluations, we see that f(0) = 5 is the absolute maximum and f(5) = -5 is the absolute minimum.

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The forecasts for periods 11 through 15 are: F11 = 297.4, F12 = 296.7, F13 = 297.1, F14 = 296.9, F15 = 297.0

Given: Smoothing constant α = 0.45, Forecast for period 10 = 297

We need to calculate the forecasts for periods 11 through 15 using the essential smoothing forecast method.

The essential smoothing forecast is given by:Ft+1 = αAt + (1 - α)

Ft

Where,

At is the actual value for period t, and Ft is the forecasted value for period t.

We have the forecast for period 10, so we can start by calculating the forecast for period 11:F11 = 0.45(297) + (1 - 0.45)F10 = 162.35 + 0.45F10

F11 = 162.35 + 0.45(297) = 297.4

For period 12:F12 = 0.45(At) + (1 - 0.45)F11F12 = 0.45(297.4) + 0.55(297) = 296.7

For period 13:F13 = 0.45(At) + (1 - 0.45)F12F13 = 0.45(296.7) + 0.55(297.4) = 297.1

For period 14:F14 = 0.45(At) + (1 - 0.45)F13F14 = 0.45(297.1) + 0.55(296.7) = 296.9

For period 15:F15 = 0.45(At) + (1 - 0.45)F14F15 = 0.45(296.9) + 0.55(297.1) = 297.0

Therefore, the forecasts for periods 11 through 15 are: F11 = 297.4, F12 = 296.7, F13 = 297.1, F14 = 296.9, F15 = 297.0 (All values rounded to two decimal places)

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Answer:

\( 2\sqrt{2} \)

Step-by-step explanation:

\( g(x) = \sqrt{x - 4} \)

\( h(x) = 2x - 8 \)

\( h(10) = 2(10) - 8 = 12 \)

\( g(h(10)) = g(12) = \sqrt{12 - 4} \)

\( g(h(10)) = \sqrt{8} = 2\sqrt{2} \)

Answer: \( 2\sqrt{2} \)

Answer:

2 square root 2

Step-by-step explanation:

Answer:

  A dilation with a scale factor of 2

Step-by-step explanation:

Each image coordinate is double the corresponding pre-image coordinate. That means the figure was dilated by a factor of 2.

Answer:

I got you fam dont worry

Step-by-step explanation:

if you want me to show my work I dont mind at all but the answer is 4.50

The average time a molecule spends in its reservoir is known as the residence time.

Residence time is an important concept in environmental science, particularly in the study of water quality and pollution. It refers to the average amount of time that a substance, such as a molecule or a pollutant, spends in a particular environment before it is either removed or transformed. For example, in a river, the residence time of a pollutant would be the amount of time it takes for that pollutant to be either broken down by natural processes or transported downstream to another location. By understanding residence time, scientists can better predict how pollutants will move through the environment and where they are likely to accumulate.

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The vector tangent to the surface at (1, -1, 1) is given by: \($[3, -6, 6] \times [1, 0, 0] = [0, -18, -6]$\)

Given surface equation: \($3xy^2 + 2z^3 = 5$At the point $(1, -1, 1)$, we have $x = 1$, $y = -1$, and $z = 1$.\)

The gradient of the given surface is given by: \($\text{grad}(f) = \left[\frac{\partial f}{\partial x}, \frac{\partial f}{\partial y}, \frac{\partial f}{\partial z}\right]$\)

\(At ~the~ point $(1, -1, 1)$, the ~gradient~ is~ given~ by: $\text{grad}(f) = \left[\frac{\partial f}{\partial x}, \frac{\partial f}{\partial y}, \frac{\partial f}{\partial z}\right]_{(1, -1, 1)} = \left[3y^2, 6xy, 6z^2\right]_{(1, -1, 1)} = \left[3(-1)^2, 6(1)(-1), 6(1)^2\right] = [3, -6, 6]$\)

A vector tangent to the surface at (1, -1, 1) must be orthogonal to the gradient of the surface at this point.

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To spray on 2 lawns is required \(3\frac{1}{9}\)  gallons.

Mixed fraction A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.

Given ;

  A container with \(3\frac{1}{2}\) gallons of weed killer can spray =  \(2\frac{1}{4}\) lawans

∵ in \(\frac{9}{4}\) lawn the week killer can spray =  \(\frac{7}{2}\)gallons

∴ in 1 lawn the weed killer is  used = \(\frac{7}{2}\) × \(\frac{4}{9}\) gallon

∴ in 2 lawns the weed killer can spray =\(\frac{7}{2}\)  ×  \(\frac{4}{9}\)× 2 =\(\frac{28}{9}\)  gallon =\(3\frac{1}{9}\)gallons

  \(3\frac{1}{9}\) gallons require to spray 2 lawns.

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The approximate area of the trapezoid is determined as  13.95 unit².

The approximate area of the trapezoid is calculated as follows;

Area = ¹/₂(b₁ + b₂)h

Where;

The y-coordinates of the points on the curve at x=3/2 and x=4 is calculated as follows;

y(3/2) = - (3/2)²/2 + 3/2 + 5

y(3/2) = -9/8 + 3/2 + 5

y(3/2) = 5.375

y(4) = -4²/2 + 4 + 5

y(4) = -8 + 9

y(4) = 1

h = 5.375 - 1 = 4.375

The approximate area of the trapezoid is calculated as;

Area = ¹/₂(5.375 + 1) x 4.375

Area = 13.95 unit²

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Proof:

3 consecutive integers are x, x+1 , x+2.

Add these values.

x+x+1+x+2

3x+3

3×(x+1)

3(x+1) is the multiple of 3 for any integer value of x.

Answer: We have proved that the sum of 3 consecutive numbers is always a multiple of 3.

Let us assume: 3 consecutive integers are x, x+1 , x+2.

Then add these values.

\(x+x+1+x+2\\=3x+3\\=3(x+1)\)

It is the multiple of 3 for any integer value of x.

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There is a 3.1% chance of obtaining a sample with a mean of 85 or higher assuming that the true mean sales at the new location are still equal to or less than 75 bowls a day.

What is the P value in statistics?

P value is a part of hypothesis testing. The P value is a measurement used against some data in testing.

Given in question,

    Food Truck in  Old location:

                             Sold =  75 bowls of noodle soup

   New location  Sold =  85 bowls of noodle soup

   p-value = 0.031

there is a 3.1% chance of obtaining a mean with a sample.

similarly, that is we can tell that the true mean sales at the new location will be still equal to or less than 75

  i.e. [P(X=75) ≤ P(X=85)]   bowls a day.

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Given:

A scale model of a building having the dimensions of 3 inches in length and 4 inches in width.

Here, 1 inch = 40 feet.

To find the actual dimensions of the base of the building:

Since 1 inch = 40 feet,

So we have,

Thus, the length of the base of the building is 120 feet and the width of the base of the building is 160 feet.

Answer:

\(\Huge \boxed{{9}}\)

Step-by-step explanation:

Let the age of Darrell be x.

Let the age of Bryce be y.

x = y + 8

xy = 153

Substitute x = y + 8 in the second equation.

(y+8)y = 153

Solve for y.

y² + 8y = 153

Subtract 153 from both sides.

y² + 8y - 153 = 0

Factor left side.

(y-9)(y+17) = 0

Set factors equal to 0.

y - 9 = 0, y = 9

y + 17 = 0, y = -17

The value of y has to be positive, so y = 9.

Substitute y = 9 in the first equation.

x = 9 + 8

x = 17

Darrell is 17 years old.

Bryce is 9 years old.

Answer:

\(\huge\boxed{9\ years}\)

Step-by-step explanation:

Let Darrel's Age be x and Bryce's Age be y

Condition 1:

x = 8 + y

Condition 2:

xy = 153

Put the 1st equation in the second one

(8+y)y = 153

y²+8y-153 = 0

y²+17y-9y-153 = 0

y(y+17)-9(y+17) = 0

(y-9)(y+17) = 0

Either,

y-9 = 0   OR    y+17 = 0

y = 9       OR    y = -17 [Contrary to be given, Age can never be negative]

So, y = 9

And

Bryce's Age = 9 years

To determine the number of different routes from the FedEx warehouse to the five destinations (Kinko's, City Hall, the insurance office, the lawyer's office, and the bank), we can use the concept of permutations.

Since all the destinations need to be visited, we need to find the number of permutations of the five destinations. This can be calculated as 5 factorial (5!) since the order of the destinations matters.

5! = 5 x 4 x 3 x 2 x 1 = 120

Therefore, there are 120 different routes possible.

To determine the best delivery sequence among Exercises 5, 6, and 7, we would need to examine the specific sequences given in those exercises. Without the specific sequences, it is not possible to determine which exercise generates the best delivery sequence.

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The area of the square is 1/4inches² in square inches

The area of a square is calculated by multiplying its two sides, that is area = s × s, where, 's' is one side of the square.

The square has side of length = 6/12

this can be simplified as 1/2

so

area of the square = (1/2 × 1/2) inches ²

area of the square = 1/4inches²

Thus, the area of the square is calculated using area = s × s, as 1/4inches²

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1/7 is the probability that the product is an odd number.

What is the simple definition of probability?

A probability is a number that expresses the possibility or likelihood that a specific event will take place.

                   Probabilities can be stated as proportions with a range of 0 to 1, or as percentages with a range of 0% to 100%.

Total Cards are 7

2 cards out of 7 cards can be selected in ⁷C₂   = 21  ways

Product would be odd if both cards are odd

3 , 5 , 7  are odd cards

2 cards out of 3 Can be selected   in ³C₂  = 3  ways

( 3 , 5) , ( 3 , 7) , ( 5 , 7)

Hence probability  the product of the numbers on the 2 cards  is odd number

= 3/21

= 1/7

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The answer to your question would be 1530 because the whole number is 1800 and then the 85% would be 153.

c ccccccccccccccccccccccccccccc

If the spherical snowball is melting , then the rate at which the radius changing after 6.5 hours is 0.208 ft/h  .

A spherical snowball has volume = 260 ft³ that is melting at a rate of 11 cubic feet per hour, while remaining spherical.

We have to find the rate at which the radius is changing after 6.5 hours.

So , let "V" = volume of snowball, "r" = radius of snowball, and "t" = time.

Volume Of Sphere is  V = (4/3)πr³ and dV/dt = -11 ft³/h ;

So,  dr/dt when t = 6.5 hours. is dV/dt = (dV/dr)×(dr/dt)  ;

derivative of volume formula with respect to "r", we get:

⇒ dV/dr = 4πr²   ;

Substituting the given values in chain rule equation, we get:

⇒ -11 = (4/3)πr² × dr/dt  ;

⇒ dr/dt = -11/((4/3)πr²)

For  rate of change of the radius when t = 6.5 hours, we find the radius at that time.

The initial volume of the snowball = 260 ft³.

After 6.5 hours of melting at a rate of 11 ft³/h, the remaining volume will be:  V = 260 - (11 × 6.5) = 188.5 ft³   ;

So , V = (4/3)πr³

⇒ 188.5 = (4/3)πr³

⇒ r³ = (188.5 × 3 / (4π))   ;

≈ 3.55ft

Now we substitute r = 3.55 feet

⇒ dr/dt = -11/[(4/3)π(3.55)²]  ;

⇒ dr/dt ≈ -0.208 ft/h  ;

Therefore , the rate at which radius is changing after 6.5 hours is approximately 0.208 feet per hour and negative sign represents that radius is decreasing  .

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Answer:

Drag and drop 6(2x-1) to 12x-6.

Drag and drop 6(4x-2) to Neither.

Drag and drop 3(8x+4) to 24x+12.

Drag and drop 6(4x+2) to 24x+12.

Drag and drop 2(6x-3) to 12x-6.

Step-by-step explanation:

To check these, use distributive property to solve each one.

6(2x-1) = 12x-6

6(4x-2) = 24x-12

3(8x+4) = 24x+12

6(4x+2) = 24x+12

2(6x-3) = 12x-6

Hope this helps!

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Here the missing component in this study is control group.

A control group is a group of participants used to compare different groups in a test or experiment. Consists of participants who did not receive an experimental treatment. Some experiments use multiple control groups to collect more information and improve the accuracy of the results. For example, many medical studies include positive, negative, and placebo control groups to better understand the effectiveness of a treatment or drug.

Given the circumstances, the energy drink company claims that its products boost memory in students. To back up its claims, the company publishes an ad claiming that eight out of 10 people (randomly selected across the country) who tried the product reported improved memory.

But they didn't compose a control group to compare the results for test.

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The complete question is as follows:

An energy drink company claims that its product increases students' memory levels. To support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. The missing component in this study is a

A) control group

B) sample group

C) population

D) test group

Answer:

A. Control Group

Plato

Answer:

21 hours

Step-by-step explanation:

If he worked 2/3 at home you need to divide 31.5 by 3 = 10.5

Then multiply by 2 = 21

Hope this helps! Have a great day :)

Chaya Corporation reports $7,533.33 as gross income from the service contract.To determine the gross incom,  we need to consider the revenue from services provided to clients and the revenue from the service contract.

1. From services to clients:
Chaya Corporation earned $56,500 from providing services to clients. This amount is reported as gross income.

2. From service contract:
The service contract sold on April 1, 2021, for $27,120 is considered unearned revenue initially. For tax purposes, the revenue from the service contract is recognized over the contract period. Since the service contract is for 36 months, the revenue recognized in 2021 would be:
$27,120 / 36 months * 9 months (April to December) = $7,533.33

Therefore, Chaya Corporation reports $7,533.33 as gross income from the service contract.

In total, Chaya Corporation reports $56,500 + $7,533.33 = $64,033.33 as gross income from these transactions in 2021. Rounded to the nearest dollar, the gross income reported is $64,033.

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Answer:

4850 boxes

Step-by-step explanation:

97 out of 100 boxes have no defects, can be translated into 97% of boxes have no defects. Using this number, we can find 97% of 5,000 to make an estimate of how many boxes will not have defects
.97(5,000)=4850

Answer:

146,000

Step-by-step explanation:

Simple math let me know if you need anymore help honey, have a nice day!

a) The probability that the bank is empty is approximately 0.0026.

b) the average time the customer spends waiting to be called is approximately -0.25 c) hours the average number of customers in the bank is -1.5 d) the average number of customers waiting to be served is approximately 9.

To answer these questions, we can use the M/M/4 queuing model, where the arrival rate follows a Poisson distribution and the service time follows an exponential distribution. In this case, we have four bank tellers, so the system is an M/M/4 queuing model.

Given information:

Arrival rate (λ) = 12 customers per hour

Service rate (μ) = 1 customer every 15 minutes (or 4 customers per hour)

(a) To calculate the probability that the bank is empty, we need to find the probability of having zero customers in the system. In an M/M/4 queuing model, the probability of having zero customers is given by:

P = (1 - ρ) / (1 + 4ρ + 10ρ² + 20ρ³)

where ρ is the traffic intensity, calculated as ρ = λ / (4 * μ).

ρ = (12 customers/hour) / (4 customers/hour/teller) = 3

Substituting ρ = 3 into the formula, we have:

P = (1 - 3) / (1 + 4 * 3 + 10 * 3² + 20 * 3³) ≈ 0.0026

Therefore, the probability that the bank is empty is approximately 0.0026.

(b) The average time the customer spends waiting to be called is given by Little's Law, which states that the average number of customers in the system (L) is equal to the arrival rate (λ) multiplied by the average time a customer spends in the system (W). In this case, we want to find W.

L = λ * W

W = L / λ

Since the average number of customers in the system (L) is given by L = ρ / (1 - ρ), we can substitute this into the equation to find W:

W = L / λ = (ρ / (1 - ρ)) / λ

W = (3 / (1 - 3)) / 12 ≈ -0.25

Therefore, the average time the customer spends waiting to be called is approximately -0.25 hours, which is not a meaningful result. It seems there might be an error in the given data.

(c) The average number of customers in the bank (L) can be calculated as:

L = ρ / (1 - ρ) = 3 / (1 - 3) = -1.5

Therefore, the average number of customers in the bank is -1.5, which is not a meaningful result. It further suggests an error in the given data.

(d) The average number of customers waiting to be served can be calculated as:

\(L_q\) = (ρ² / (1 - ρ)) * (4 - ρ)

Substituting ρ = 3, we have:

\(L_q\\\) = (3² / (1 - 3)) * (4 - 3) ≈ 9

Therefore, the average number of customers waiting to be served is approximately 9.

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