helpppp ASAP PLEASEEE

Answer:

170%

Step-by-step explanation:

increase in price = 216 - 80 = $136

x : 100 = 136 : 80

x = 100 * 136 / 80

x = 10 * 136/8

x = 1360 / 8

x = 170 %

Answer:

170%

Step-by-step explanation:

80+170%=$216

The transformations are applied in the following order: horizontal translation, horizontal scaling, vertical reflection, and vertical scaling.

The transformations are applied in the following order:

Horizontal translation: The function is shifted 9 units to the right by subtracting 9 from the input variable x.

f(x) → f(x - 9)

Horizontal scaling: The function is compressed horizontally by a factor of 1/3 by dividing the input variable x by 3.

f(x - 9) → f(1/3(x - 9))

Vertical reflection: The function is reflected about the x-axis by multiplying the output values of f by -1.

f(1/3(x - 9)) → -f(1/3(x - 9))

Vertical scaling: The function is stretched vertically by a factor of 8 by multiplying the output values by 8.

-f(1/3(x - 9)) → -8f(1/3(x - 9))

Therefore, the transformations are applied in the following order: horizontal translation, horizontal scaling, vertical reflection, and vertical scaling.

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Answer: D 7/13

Step-by-step explanation:

4+3=7

7+6=13

P(not white)=7/13

Answer:

See image

Step-by-step explanation:

Plato

Answer:

1st entry: 41

3rd entry: 17

Step-by-step explanation:

The 1st and 3rd entry are incorrect.

We will use the following for the 1st and 3rd:

\(|z+w|=|z|^2+|w|^2+2R(z\overline{w})\)

\(|z-w|=|z|^2+|w|^2-2R(z\overline{w})\)

where \(R(z\overline{w})\) means 'real part of \(z\overline{w}\)'.

Let's do part 1 now)

25+4+2(6)

29+12

41

Let's do part 3 now)

25+4-2(6)

29-12

17

The values for R(detected), λ, and t into the equation, you can calculate the "true" count rate of your sample

To calculate the detected activity from the count rate due to background radiation and the sample of KCl, you can use the following equation:

R(detected) = R(total) - R(background)

In this equation, R(background) represents the count rate for background radiation, and R(total) represents the total count rate detected from your sample and background. By subtracting the count rate of background radiation from the total count rate, you can determine the detected count rate from your sample, R(detected).

To determine the "true" activity of your sample, you can use the following equation:

R(true) = R(detected) / (1 - exp(-λt))

In this equation, R(true) represents the "true" count rate of your sample, R(detected) represents the detected count rate from your sample, λ represents the decay constant of the radioactive isotope in your sample, and t represents the time during which the count rate is measured.

By plugging in the values for R(detected), λ, and t into the equation, you can calculate the "true" count rate of your sample, which represents the actual activity of the radioactive isotope in the sample.

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Complete question:

write a mathematical equations that show how you will calculate the detected activity from the count rate due to background radiation and the sample of KCl. also, write an equation that shows how you will determine the "true" activity of your sample. Use the following terms:

R(background) = count rate for background radiation

R(total) = total count rate detected from your sample and background

R(detected) = detected count rate from your sample less the background radiation

R(true) = the "true" count rate of your sample.

Answer:

\( = 3 + \sqrt{25 } - \sqrt{12} \\ = 3 + 5 - \sqrt{12 \\ } \\ = 8 - \sqrt{12} \)

\( = 8 - 2 \sqrt{3} \)

option d is correct

Your friends geode will weights 781.12 grams, founded by the property of addition.

What is addition?

Addition is the basic arithmetic operation perform to combine two or more value to produce a bigger or greater value. the other basic operations are subtraction, multiplication and division

We are given that our geode weighs 651.38 grams and our geode weighs 129.74 lighter than out friends

it means his geode is heavier 129.74 grams than ours.

And we are asked to find the weight of our friends geode

Let the weight of our friends geode be x

hence the equation can be given as

x= 651.38+129.74

x=781.12 grams

Our friends geode weighs 781.12 grams

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Answer: Yes this is true.

Step-by-step explanation:

In the first survey 64 people chose oranges and in the second survey 63 people chose oranges. This means in the first survey 51.2% of people preferred oranges and 48.8% preferred other fruits, and in the second survey 50.4% of people preferred oranges while 49.6% preferred other fruits. In both surveys more than 50% of people preferred oranges. So yes, based on the data from both surveys you can infer that most people prefer oranges.  

The total number of boxes required to cover the kitchen floor is 14.

The dimensions of the kitchen floor are 14' × 24'

⇒Length of the kitchen floor = 14 feet

⇒Width of the kitchen floor= 24 feet

The area of the kitchen floor= Length × Width

⇒ Area = 14 × 24

⇒ Area = 336 sq. ft.

Since, 4 boxes of flooring cover 100 sq. ft.

∴1 box will cover = 100/4 sq. ft.

⇒25 sq. ft.

Now, Number of boxes required to cover the floor of the kitchen will be,

⇒ Area of the floor / Area covered by 1 box of flooring

⇒336/25

⇒ 13.44

∴ The total number of boxes required to cover the kitchen floor is 14 (rounded up from 13.44).

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The standard deviation of a point estimator is called the "standard error

What is standard deviation ?

Standard deviation is a statistical measure that describes the amount of variation or dispersion in a set of data. It is the square root of the variance, which is the average of the squared differences from the mean. A high standard deviation indicates that the data points are spread out over a wider range, while a low standard deviation indicates that the data points are clustered closer together. Standard deviation is commonly used in fields such as finance, engineering, and science to describe the variability of data and to make statistical inferences about a population based on a sample.

To calculate the standard deviation of a set of data, you can follow these steps:

Find the mean (average) of the data set.

For each data point, subtract the mean and square the result.

Sum the squared differences from step 2.

Divide the sum from step 3 by the number of data points minus one (this is called the sample variance).

Take the square root of the sample variance to get the standard deviation.

Here's an example using a set of data: 4, 6, 8, 10, 12

Find the mean: (4 + 6 + 8 + 10 + 12) / 5 = 8

For each data point, subtract the mean and square the result:

(4 - 8)² = 16

(6 - 8)²= 4

(8 - 8)² = 0

(10 - 8)² = 4

(12 - 8)² = 16

Sum the squared differences: 16 + 4 + 0 + 4 + 16 = 40

Divide by the number of data points minus one: 40 / 4 = 10 (sample variance)

Take the square root of the sample variance: sqrt(10) = approximately 3.16

Therefore, the standard deviation of the data set is approximately 3.16.

and The standard deviation of a point estimator is called the "standard error

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Answer:

it is a right triangle

Step-by-step explanation:

The sequence of transformations you suggested does indeed map AUHS to A"U" H"S".

Transformation geometry is a branch of mathematics that deals with the study of geometric shapes and their transformations in space.

Apply the transformations to each vertex of polygon AUHS and see if the resulting vertices match the corresponding vertices of polygon A"U"H"S in order to evaluate whether the series of transformations you provided translates AUHS to A"U"H"S.

Let's begin by translating (x,y) (x-4, y-2). Each point is moved 2 units down and 4 units to the left by this transformation. Vertex A(-6,-6) would be changed to A"(-10,-8) in the following manner, for instance:

A'(-6,6) → A"(-10,4)

U'(-2,2) → U"(-6,0)

H'(4,2) → H"(0,0)

S'(-2,-6) → S"(-6,-8)

Let's now think about the rotation of the origin 90 degrees anticlockwise. Each point is rotated 90 degrees anticlockwise relative to the origin using this transformation. Vertex A"(-10,-8) would be rotated to A"(8,-10) in the following manner, for instance:

A"(-10,-8) → A'(8,-10)

U"(-6,0) → U'(0,-6)

H"(0,0) → H'(0,0)

S"(-6,-8) → S'(-8,6)

Therefore, the sequence of transformations you suggested does indeed map AUHS to A"U"H" S".

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The exact value of sec(sin^(-1)(7/11)) is 1/(±√(72/121)), where the ± sign indicates that both the positive and negative square root are valid.

To determine the exact value of sec(sin^(-1)(7/11)), we can use the Pythagorean identity to find the corresponding cosine value.

Let's assume sin^(-1)(7/11) = θ. This means that sin(θ) = 7/11.

Using the Pythagorean identity, cos^2(θ) = 1 - sin^2(θ), we can calculate cos(θ):

cos^2(θ) = 1 - (7/11)^2

cos^2(θ) = 1 - 49/121

cos^2(θ) = 121/121 - 49/121

cos^2(θ) = 72/121

Taking the square root of both sides:

cos(θ) = ±√(72/121)

Since sec(θ) is the reciprocal of cos(θ), we can find sec(sin^(-1)(7/11)):

sec(sin^(-1)(7/11)) = 1/cos(θ)

sec(sin^(-1)(7/11)) = 1/(±√(72/121))

Therefore, the exact value of sec(sin^(-1)(7/11)) is 1/(±√(72/121)), where the ± sign indicates that both the positive and negative square root are valid.

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Answer:

Option (4).

Step-by-step explanation:

Formula to calculate the volume of a cylinder is,

V = πr²h

Here r = radius of the cylinder

h = Height of the cylinder

From the figure attached,

r = \(\frac{13}{2}=6.5\) cm

h = 11 cm

Now we substitute the values of h and r in the formula,

V = π(6.5)²(11)

   = 464.75π

   = 1459.32

   ≈ 1459.3 cm³

Therefore, volume of the given cylinder is 1459.3 cm³

Option (4) will be the answer.

Answer:

245,564people

Step-by-step explanation:

The population of Algebra City is approximately 314,159 people, but the rate decreases at 2.7% each year. About how many people will live in Algebra City in 9 years?

We solve for the above question using the formula for Exponential decrease. =

P(t).= Po(1 - r)^t

Where

P(t) = ?

Po = Initial population = 314159

r = 2.7% = 0.027

t = time = 9 years

P(t) = 314159(1 - 0.027)⁹

= 245564.2088

Approximately to the nearest whole number = 245,564people

Unit conversion is a way of converting some common units into another without changing their real value. 50 cents per minute to dollars per hour is 3 dollars per hour.

Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimetre is equal to 10 mm, though the real measurement is still the same the units and numerical values have been changed.

The 50 cents per minute can be converted to dollars per hour as,

50 cents per minute

= 50 cents / 1 minute

Since 1 dollar has 100 cents and 1 hour has 60 minutes, therefore,

= (50/100)dollar / (1/60) hour

= (50×60)/100 dollars per hour

= 3,000/100 dollars per hour

= 3 dollars per hour

Hence, 50 cents per minute to dollars per hour is 3 dollars per hour.

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Answer:

97.5

Step-by-step explanation:

Supplementary means the angles add up to 180°

So,

m∠A = 180 - m∠B

m∠A = 180 - 82.5

m∠A = 97.5

Answer:

Step-by-step explanation:

You want to know how to determine the y-intercepts of a rational function, and their possible number.

A rational function f(x) is the ratio of two polynomial functions p(x) and q(x):

  f(x) = p(x)/q(x)

As such, both numerator and denominator have single function values for any value of the independent variable. The y-intercept of f(x) is ...

  f(0) = p(0)/q(0)

The values of p(0) and q(0) are simply the constant terms in those respective functions.

The simple way to find the y-intercept is to look at the ratio of the constant terms in the polynomial functions making up the rational function. If that is defined, there is one y-intercept. If it is undefined (q(0)=0), then there are no y-intercepts.

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x = -2 is a vertical asymptote for the function.

Here, we have,

To determine the vertical asymptotes of a function, we need to find the values of x for which the denominator of the function becomes zero.

In the given function f(x) = (x + 1) / (x² + 3x + 2), the denominator is x² + 3x + 2.

To find the vertical asymptotes, we set the denominator equal to zero and solve for x:

x² + 3x + 2 = 0

Factoring the quadratic equation, we have:

(x + 1)(x + 2) = 0

Setting each factor equal to zero, we get:

x + 1 = 0 or x + 2 = 0

Solving these equations, we find:

x = -1 or x = -2

Therefore, the vertical asymptotes for the function

f(x) = (x + 1) / (x² + 3x + 2) are x = -1 and x = -2.

Among the given options, x = -2 is a vertical asymptote for the function.

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If A is ( - 1, 5)

and the transformation rule is; (x+3, y - 6)

To find A'

add 3 to the x-cordinate and subtract 6 from the y-coordinate of A

That is;

A' = ( -1+ 3 , 5 -6) = (2, -1)

Therefore;

A' = (2, -1)

Answer:

there is the ansere

Step-by-step explanation:

the ansere is all doing - 3/4 x-2 is all done.

The Laplace equation is defined as Au=0. The aim is to solve analytically Laplace's equation in the square [0, 1]²2 with boundary conditions u(x,0) = 0 = u(0, y), u(x, 1) = u(1, y) = 1.

Let's consider the Laplace equation as followsAu = ∂²u/∂x² + ∂²u/∂y²= 0Given boundary conditions areu(x, 0) = 0u(0, y) = 0u(x, 1) = u(1, y) = 1The solution of the Laplace equation is as followsu(x,y) = X(x).Y(y)Let's find the boundary conditionsu(x, 0) = 0

Let's substitute the value of Y(0) in the solution to get X(x).Y(0) = 0, which implies Y(0) = 0Similarly, u(0, y) = 0 => X(0).Y(y) = 0 => X(0) = 0Now, let's find the remaining boundary conditionsu(x, 1) = 1X(x).Y(1) = 1 => Y(1) = 1/X(x)u(1, y) = 1 => X(1).Y(y) = 1 => X(1) = 1/Y(y)Now, let's put the values of X(0) and X(1) in the below equationX(0) = 0, X(1) = 1/Y(y)X(x) = x

Now, let's put the values of Y(0) and Y(1) in the below equationY(0) = 0, Y(1) = 1/X(x)Y(y) = sin(n.π.y) /sinh(n.π)Therefore, the solution of Laplace's equation u(x, y) is as follows;u(x,y) = Σ(n=1 to ∞)sin(n.π.y).sinh(n.π.x) /sinh(n.π)Answer:Therefore, the solution of Laplace's equation u(x, y) is u(x,y) = Σ(n=1 to ∞)sin(n.π.y).sinh(n.π.x) /sinh(n.π).

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Answer:

\( \boxed{ \bold{ \huge{ \boxed{ \sf{ x - 4}}}}}\)

Step-by-step explanation:

\( \sf{6(x + 1) - 5(x + 2)}\)

Distribute 6 through the parentheses

Similarly, distribute 5 through the parentheses

\( \longrightarrow{ \sf{6x + 6 - 5x - 10}}\)

Collect like terms

\( \longrightarrow{ \sf{ x + 6 - 10}}\)

The negative and positive integers are always subtracted but posses the sign of bigger integer

\( \longrightarrow{ \sf{ x - 4}}\)

Hope I helped!

Best regards! :D

Answer:

sagutan mo yan module mo yan wag kang umasa sa brainly

The profit function for the company is Profit = (19x - 7x) - 105,000. When the company produces and sells 7500 book covers, the profit earned is $99,000. When the company produces and sells 8750 book covers, the profit earned is $152,500.

A. Profit = (19x - 7x) - 105,000

B. Profit = (19(7500) - 7(7500)) - 105,000 = $99,000

C. Profit = (19(8750) - 7(8750)) - 105,000 = $152,500

D. Profit = (19(11835) - 7(11835)) - 105,000 = $229,495

A. The profit for the company for a single book cover is the difference between the selling price and the production cost. The selling price is $19 and the production cost is $7. The difference is $12. The company's fixed cost is $105,000, so the profit function is Profit = (19x - 7x) - 105,000.

B. To find the profit earned by the company when it produces and sells 7500 book covers, substitute 7500 for x in the profit function. Profit = (19(7500) - 7(7500)) - 105,000 = $99,000.

C. To find the profit earned by the company when it produces and sells 8750 book covers, substitute 8750 for x in the profit function. Profit = (19(8750) - 7(8750)) - 105,000 = $152,500.

D. To find the profit earned by the company when it produces and sells 11,835 book covers, substitute 11,835 for x in the profit function. Profit = (19(11835) - 7(11835)) - 105,000 = $229,495.

The profit function for the company is Profit = (19x - 7x) - 105,000. When the company produces and sells 7500 book covers, the profit earned is $99,000. When the company produces and sells 8750 book covers, the profit earned is $152,500. When the company produces and sells 11,835 book covers, the profit earned is $229,495.

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Answer:

x=-5     y=52

x=-1      y=12

x=0      y=2

x=1       y=-8

Step-by-step explanation:

Hope this helps (:

If daily demand is constant at 10 units per day, and lead time averages 12 days with a standard deviation of 3 days, 95 percent service requires 49 units safety stock .Option (C) is correct.

To calculate safety stock, we need to consider the deviation in lead time and the desired service level. The formula for safety stock is:
Safety Stock = (Z-score for desired service level * Standard deviation of lead time * Average daily demand)
Assuming a normal distribution, the Z-score for 95% service level is 1.645. Substituting the given values, we get:
Safety Stock = (1.645 * 3 * 10)

=49.35 units
Rounding up to the nearest whole number, the answer is option C) 49 units.
It is important to note that safety stock is not the same as average inventory level. Safety stock is a buffer that protects against variability in demand and lead time, and it helps ensure that we can meet customer demand without stockouts. Averages, on the other hand, represent typical values over time.

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The Intermediate Value Theorem states that for any value c between the function's values at the endpoints (f(a) and f(b)), there exists a value x in the interval [a, b] such that f(x) = c.

The assumptions (or conditions) required for the Intermediate Value Theorem are:

1. The function is continuous: The function must be continuous on the closed interval [a, b]. This means that there are no breaks, jumps, or holes in the graph of the function within the given interval.

2. The interval is closed and bounded: The interval [a, b] must be a closed interval, meaning it includes both endpoints a and b. Additionally, the interval must be bounded, meaning the function has a maximum and a minimum value within the interval.

By satisfying these two assumptions, the Intermediate Value Theorem states that for any value c between the function's values at the endpoints (f(a) and f(b)), there exists a value x in the interval [a, b] such that f(x) = c.

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Answer:

Janice and Karen could do in 1 day:

Step-by-step explanation:

To identify how much of the job could janice and caren do in 1 day, first, we must find how much of the job make just 1 person at the same rate:

If three persons make a job in 3 1/3 days, 1 person make the job in x:

Then:

Just a person would need 10 days to complete a job, now, we're gonna divide this value in 2 to obtain the time that need two persons to complete a job:

How two persons need 5 days to complete a job (in this case, the two persons are Janice and Karen), we can make a simple rule of three to obtain the percentage made in 1 day:

Then:

As you can see, Janice and Karen just in a day could do 20% of the job.