In Exploration 5.3.2 Question 3, you found multiple average rates of change with different intervals and discussed in Question 6, the limiting value that your average rates are approaching. In Question 7, what was the significance of the numerical sign of the limiting value you found in 6?

If the quadratic function f(x) has roots of 3 and 7, and it passes through the point (1, 12), the correct vertex form of the equation is f(x) = (x-5)² - 4. So, correct option is D.

Since the quadratic function has roots of 3 and 7, we can write it in factored form as f(x) = a(x-3)(x-7), where "a" is a constant.

To find the value of "a", we can use the point (1,12) that the function passes through.

Substituting x=1 and y=12 in the equation f(x) = a(x-3)(x-7), we get:

12 = a(1-3)(1-7)

12 = a(-2)(-6)

12 = 12a

a = 1

Therefore, the equation of the function in factored form is f(x) = (x-3)(x-7), and we can expand it to vertex form by completing the square:

f(x) = (x-5)² - 4

The vertex of the parabola is at (5, -4) and the coefficient of the squared term is positive, which means the parabola opens upwards.

So, correct option is D.

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Step-by-step explanation:

The factored form of the polynomial is:

f(x) = (x-2)³(x+4)³(x+6)⁶

From this, we can see that the zeros of the function are: x = 2 (with multiplicity 3), x = -4 (with multiplicity 3), and x = -6 (with multiplicity 6).

Therefore, the correct answer is:

-6 with multiplicity 6; x = -4 with multiplicity 3; x = 2 with multiplicity 3.

The confidence interval for the population mean is (8.40, 10.20) is 90%. This means that we are 90% confident that the true population mean is within this range.

What is the formula for construct the confidence interval for the population mean?

[tex]CI = x ± z* \frac{σ}{√n}[/tex]

Where x is the sample mean, z is the z-score for the desired level of confidence (we'll use the standard normal distribution for this since n>30)

σ is the population standard deviation (which we don't know, so we'll use the sample standard deviation as an estimate),n is the sample size

To construct the confidence interval for the population mean, we can use this formula.

Given:

c = 0.09 (which means we want a 90% confidence interval)

x = 9.3

n = 55

First, we need to find the z-score that corresponds to a 90% confidence interval. Using a standard normal distribution table or calculator, we can find that the z-score for a 90% confidence interval is approximately 1.645.

Next, we need to estimate the population standard deviation using the sample standard deviation. We'll assume that the sample is representative of the population and use the sample standard deviation as an estimate for σ. Let's say that the sample standard deviation is s = 2.5.

Now we can plug in the values into the formula:

CI = 9.3 ± 1.645*(2.5/√55)

= 9.3 ± 0.90

= (8.40, 10.20)

Therefore, the 90% confidence interval for the population mean is (8.40, 10.20). This means that we are 90% confident that the true population mean is within this range.

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The value of x is approximately 2.12 units

What is Pythagoras?

By the Pythagorean theorem, we know that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

So, hypotenuse² = Height ²+Base²

Here we have a right angle triangle whose hypotenuse is x unit and base is 3 unit.

Therefore, we have:x² = 3² + b²

Where b is the length of the perpendicular side.

However, we do not know the value of b, so we cannot solve for x yet.

To solve for b, we can use the fact that the angle between the base and the hypotenuse is 90 degrees, so the sine of this angle is equal to the ratio of the length of the perpendicular side (b) to the length of the hypotenuse (x).

Using trigonometry, we have:

sin(90°) = b/x

Simplifying, we have:

1 = b/x

Therefore, b = x.

Substituting this into the equation we derived earlier, we get:

x² = 3² + x²

Simplifying, we get:

2x² = 9

Dividing both sides by 2, we get:

x² = 4.5

Taking the square root of both sides, we get:

x = √(4.5)

Therefore, the value of x is approximately 2.12 units (rounded to two decimal places).

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Answer: $68.90 for each quarter

Step-by-step explanation:

To calculate the state and federal unemployment taxes that Paula will pay, we need to first calculate the taxable wages for each employee and then apply the appropriate tax rates.

For Quarter 1:

Employee 1's taxable wages: $410

Employee 2's taxable wages: $650

Total taxable wages: $410 + $650 = $1,060

State unemployment tax:

Taxable wage base for the state: $9,000 per employee per year

Taxable wage base for two employees in a quarter: $18,000

Tax rate: 5.9%

State unemployment tax: $1,060 x 5.9% = $62.54

Federal unemployment tax:

Taxable wage base for the federal government: $7,000 per employee per year

Taxable wage base for two employees in a quarter: $14,000

Tax rate: 0.6%

Federal unemployment tax: $1,060 x 0.6% = $6.36

Therefore, Paula will pay a total of $62.54 + $6.36 = $68.90 in state and federal unemployment taxes for Quarter 1.

For Quarter 2:

Employee 1's taxable wages: $410

Employee 2's taxable wages: $650

Total taxable wages: $410 + $650 = $1,060

State unemployment tax:

Taxable wage base for the state: $9,000 per employee per year

Taxable wage base for two employees in a quarter: $18,000

Tax rate: 5.9%

State unemployment tax: $1,060 x 5.9% = $62.54

Federal unemployment tax:

Taxable wage base for the federal government: $7,000 per employee per year

Taxable wage base for two employees in a quarter: $14,000

Tax rate: 0.6%

Federal unemployment tax: $1,060 x 0.6% = $6.36

Therefore, Paula will pay a total of $62.54 + $6.36 = $68.90 in state and federal unemployment taxes for Quarter 2 as well.

The earning οf an emplοyee is 8.25 dοllars per hοur and hοurly pay rate is 8.25 dοllars.

Pay rate refers tο the amοunt οf mοney an emplοyer pays an emplοyee fοr their wοrk, typically expressed as an hοurly, weekly, οr mοnthly rate. It is the rate at which an emplοyee is cοmpensated fοr their time and labοr, and can be influenced by a number οf factοrs, such as jοb skills, experience, industry, lοcatiοn, and market demand fοr the particular rοle. The pay rate may alsο be subject tο deductiοns fοr taxes, insurance, and οther benefits prοvided by the emplοyer.

Here,

The hοurly pay rate οf the emplοyee can be calculated by dividing the earnings by the number οf hοurs wοrked. Using the given equatiοn, we can rewrite it as E = 8.25h

Dividing bοth sides by h,

E/h = 8.25

Therefοre, the hοurly pay rate οf the emplοyee is 8.25 dοllars per hοur.

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A centimeter (cm) is a unit of length in the metric system, equal to one hundredth of a meter, commonly used to measure small distances or dimensions such as the length or width of an object.

To convert 44cm to meters, we need to divide 44 by 100 (since there are 100 centimeters in 1 meter) to get:

44/100 = 0.44 meters

To express this in simplest form, we can leave it as 44/100 or simplify it by dividing both the numerator and denominator by the greatest common factor (GCF) of 44 and 100, which is 4:

44/100 = (44 ÷ 4)/(100 ÷ 4) = 11/25

Therefore, 44 cm is equivalent to 0.44 meters or 11/25 meters in simplest form.

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After answering the presented question, we can conclude that trigonometry  x = k(pi/3), where k is an integer.

The study of the relationship between triangle side lengths and angles is known as trigonometry. The concept first originated in the Hellenistic era, during the third century BC, due to the application of geometry in astronomical investigations. The subject of mathematics known as exact techniques deals with certain trigonometric functions and their potential applications in computations. There are six commonly used trigonometric functions in trigonometry. Sine, cosine, tangent, cotangent, secant, and cosecant are their separate names and acronyms (csc). The study of triangle properties, particularly those of right triangles, is known as trigonometry. As a result, geometry is the study of the properties of all geometric shapes.

[tex]sin(a - b) = sin(a)cos(b) - cos(a)sin(b)\\sin(6x - 3x) = sin(6x)cos(3x) - cos(6x)sin(3x)\\sin(3x) = sin(6x)cos(3x) - cos(6x)sin(3x)\\sin(3x) + cos(6x)sin(3x) = sin(6x)cos(3x)\\sin(3x)(1 + cos(6x)) = sin(6x)cos(3x)\\cos(6x) = 2cos^2(3x) - 1\\sin(3x)(1 + 2cos^2(3x) - 1) = sin(6x)cos(3x)\\2sin(3x)cos^2(3x) = sin(6x)cos(3x)\\2sin(3x)cos(3x) = sin(6x)\\2sin(3x)cos(3x) = 2sin(3x)cos(3x)cos(3x)\\1 = cos(3x)\\[/tex]

So the solutions to the original equation are the values of x such that cos(3x) = 1. These occur when 3x is an even multiple of pi, i.e., when x is a multiple of pi/3. Therefore, the solutions are

x = k(pi/3), where k is an integer.

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It would take approximately 1.3 hours for 12 rice to reach the velocity of Earth's orbit at a velocity of 23 km/hr.

The velocity of Earth's orbit around the sun is approximately 30 km/s.

To determine how many hours it takes for 12 rice to reach this velocity, you must use the formula for calculating average speed:

Average Speed = Total Distance/Total Time

Since the total distance is the speed of Earth's orbit (30 km/s) and the total time is the amount of time it takes to reach this speed, then you can solve for the total time by rearranging the equation:

Total Time = Total Distance/Average Speed

Therefore, the total time it takes to reach the velocity of Earth's orbit is:

Total Time = 30 km/s/23 km/hr

= 1.3 hours

It would take approximately 1.3 hours for 12 rice to reach the velocity of Earth's orbit at a velocity of 23 km/hr.

This is because the average speed of the rice is equal to the total distance (30 km/s) divided by the total time (1.3 hours).

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the correct answer is A. LM is translated 5 units left and 2 units down to L'M', which is then obtained by reflecting LM over the x-axis. The coordinates of L'M' are 5X, -B, 5+8, -4, 7, -2, 11, 13, 15, -M, -M.

How to transform line?

To transform the LM to L'M', we need to apply a combination of translation and reflection operations. The given coordinates of LM are 10X, B, 10-8, 6, -2, 4, -6, -8, -10, M, M, and we need to translate them 5 units left and 2 units down.

Translation is a geometric transformation that moves each point of an object a fixed distance in a specified direction. To translate the LM 5 units left and 2 units down, we subtract 5 from the x-coordinates and 2 from the y-coordinates. The new coordinates become 5X, B, 5-8, 4, -7, 2, -11, -13, -15, M, M.

Next, we need to reflect the translated LM over an axis to obtain L'M'. A reflection is a transformation that flips a shape over a line or plane. We have two choices here, reflecting over the x-axis or the y-axis.

If we reflect the translated LM over the x-axis, the y-coordinates will change sign. The new coordinates become 5X, -B, 5+8, -4, 7, -2, 11, 13, 15, -M, -M. This is L'M', obtained by reflecting LM over the x-axis.

On the other hand, if we reflect the translated LM over the y-axis, the x-coordinates will change sign. The new coordinates become -5X, B, -5+8, 4, 7, 2, 11, 13, 15, M, M. This is not L'M', as it is reflected over the wrong axis.

Therefore, the correct answer is A. LM is translated 5 units left and 2 units down to L'M', which is then obtained by reflecting LM over the x-axis. The coordinates of L'M' are 5X, -B, 5+8, -4, 7, -2, 11, 13, 15, -M, -M.

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After answering the presented question, we can conclude that As a result, the player may expect to lose a total of $5,580, with an average loss of $5.58 per game.

Probability is a measure of how likely an event is to occur. It is represented by a number between 0 and 1, with 0 representing a rare event and 1 representing an inescapable event. Switching a fair coin and coin flips has a chance of 0.5 or 50% because there are two equally likely outcomes. (Heads or tails). Probabilistic theory is an area of mathematics that studies random events rather than their attributes. It is applied in many fields, including statistics, economics, science, and engineering.

(38/39) x $315 - (1/39) x $9 = $306.54

The player will lose the remaining 620 games, totaling $9 x 620 = $5,580.

As a result, the player may expect to lose a total of $5,580, with an average loss of $5.58 per game.

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The solution to the quadratic equation by using the completing the square method is ± (3√15)/5 - 2

To solve quadratic equations using completing the square method, we need to follow these steps:

We are given the quadratic equation in the standard form: 5x² + 20x - 7 = 0, where 5, 20, and 7 are the coefficients of the given quadratic equation.

So, Add 7 to both sides of the equation, and we have:

5x² + 20x = 7

Divide each term by 5 and simplify

5x²/5 + 20x/5 = 7/5

x² + 4x = 7/5

To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b.

(b/2)² = (2)²

Add the term to each side of the equation.

x² + 4x + (2)² = 7/5 + (2)²

Simplify

x² + 4x + 4 = 27/5

(x + 2)² = 27/5

Solve the equation for x;

x = ± (3√15)/5 - 2

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The correct option is "IQR, because Desert Landing is skewed."

Skewness is a term used in statistics to describe the degree of asymmetry of a probability distribution or a dataset. If a dataset is skewed, it means that the distribution of the data is not symmetrical.

To determine the location with the most consistent temperature between the two sets of data, we should use the IQR (Interquartile Range) measure of variability. This is because the IQR is a measure of the spread of the middle 50% of the data, which is a good measure of variability for skewed data such as the data from Desert Landing.

In the case of Flower Town, the range measure of variability could also be used, but it is generally less robust than the IQR and can be affected by extreme values. The symmetry of the histograms does not necessarily determine which measure of variability should be used.

Therefore, the correct option is "IQR, because Desert Landing is skewed." This is because the IQR is a robust measure of variability that is less affected by extreme values and is suitable for skewed data. The data from Desert Landing is skewed, while the data from Flower Town is not specified as being skewed or symmetric, so the IQR is the best choice for both sets of data.

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Refer to the attached image.

Hello!
In this question, we are solving "Composite Functions".

We were given the functions:

We will use these to solve each part of the question.

Solve:

Whenever we see "(f ∘ g)", it means f of g. Another way to write (f ∘ g) is f(g(x)) where g(x) is plugged into the "x" variable of our f(x) function.

(a)

(f ∘ g)(x) = f(g(x))

Plug the g(x) function into the "x" variable of the f(x) function.

(f ∘ g)(x) = 4x + 5 − 2

Simplify.

(f ∘ g)(x) = 4x + 3

(b)

For question "b", it is the same concept but reversed. Plug the f(x) function into the "x" variable of the g(x) function.

(g ∘ f)(x) = g(f(x)) = 4(x − 2) + 5

Simplify.

(g ∘ f)(x) = g(f(x)) = 4(x − 2) + 5

Use the distributive property to distribute the 4.

(g ∘ f)(x) = g(f(x)) = 4x − 8 + 5

(g ∘ f)(x) = g(f(x)) = 4x − 3

(c)

For problem "c", we will plug our number into the "x" variable after compositing the functions. Use the same concept described above.

(f ∘ g)(5) = f(g(x))

(f ∘ g)(5) = 4x + 5 − 2

Simplify.

(f ∘ g)(5) = 4x + 3

Plug in "5" to "x" and simplify.

(f ∘ g)(5) = 4(5) + 3

(f ∘ g)(5) = 23

(d)

Problem "d" is just like problem "c", but the functions are reversed

(g ∘ f)(5) = g(f(x)) = 4(x − 2) + 5

Use the distributive property to distribute the 4.

(g ∘ f)(5) = g(f(x)) = 4x − 8 + 5

(g ∘ f)(5) = g(f(x)) = 4x − 3

Plug in "5" to "x" and simplify.

(g ∘ f)(5)  = 4(5) − 3

(g ∘ f)(5) = 17

Answer:

(a) 4x + 3

(b) 4x − 3

(c) 23

(d) 17

to have $110,000 available for the child's education in 12 years at 6% interest, we need to set aside $54,661.55 now. This assumes that the interest rate remains constant over the 12-year period, which may not be the case in reality.

To calculate how much money must be set aside at 6% interest, we can use the future value formula:

[tex]FV = PV*(1 + r)^n[/tex]

where:
FV = future value (the amount of money we want to have in the future)
PV = present value (the amount of money we need to set aside now)
r = interest rate per period (in this case, per year)
n = number of periods (in this case, the number of years until the child starts college)

In this case, we want to have $110,000 in the future, the child is 6 years old now, and we assume that the child will start college at age 18, which is 12 years from now. The interest rate is given as 6% per year.

So, we can plug in the values into the formula:

[tex]110,000 = PV*(1 + 0.06)^12[/tex]

Simplifying the right-hand side of the equation:

110,000 = PV x 2.012594

Dividing both sides by 2.012594:

PV = 110,000 / 2.012594

PV = $54,661.55 (rounded to the nearest cent)

Therefore, to have $110,000 available for the child's education in 12 years at 6% interest, we need to set aside $54,661.55 now. This assumes that the interest rate remains constant over the 12-year period, which may not be the case in reality.
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From the line plot, we can see that the statement "Team C has the most people" is true, since the count of 7 appears three times, which is more than any other count.

A line plot is a type of graph used to display data along a number line. It is also known as a dot plot or a strip plot. In a line plot, each data point is represented by a dot or a symbol above the number line, indicating the frequency or count of the data point. The dots or symbols are aligned horizontally along the number line, making it easy to see the distribution of the data.

Here,

To create a line plot from the data, we need to count the number of people on each team and mark a dot on the number line for each count. The number line should start at the smallest count (which is 3 in this case) and end at the largest count (which is 8).

Looking at the data, we can see that there are two counts of 3, three counts of 5, three counts of 7, one count of 6, and one count of 8.

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Complete question:

(A) Two critical number are x = 1, x = -2

(b) Function is increasing on the intervals (-∞,-2) and (1,∞), and decreasing on the interval (-2,1).

(c) f'(x) changes sign at x = -2, this critical number corresponds to a relative maximum and  f'(x) also changes sign at x = 1, this critical number  a relative minimum.

(d) The graph is given in the attachment.

The derivative of function is the rate of change of a function at a specific point.

(a) find the values of x where the derivative of the function equals zero or does not exist.

[tex]$f'(X)=6X^{2}+6X-12=6(X^{2}+X-2)$[/tex]

Setting f'(x) equal to zero gives:

[tex]$6(X^{2}+X-2)=0$[/tex]

[tex]$X^{2}+X-2=0$[/tex]

(X + 2)(X - 1) = 0

So the critical numbers are x = -2 and x = 1.

(b)  we need to examine the sign of the derivative on either side of the critical numbers.

For x < -2, f'(x) is positive, indicating that the function is increasing.

For -2 < x < 1, f'(x) is negative, indicating that the function is decreasing.

For x > 1, f'(x) is positive, indicating that the function is increasing.

Therefore, the function is increasing on the intervals (-∞,-2) and (1,∞), and decreasing on the interval (-2,1).

(c)  identify all relative extrema, we examine the sign of the derivative in the neighborhood of each critical number. Since f'(x) changes sign at x = -2, this critical number corresponds to a relative maximum. Since f'(x) also changes sign at x = 1, this critical number  a relative minimum.

(d) The graph is given in the attachment.

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We can say that the domain of f(x) is (-∞, ∞), which means that any real number can be plugged into the function and it will produce a valid output.

What is function?

In mathematics, a function is a relationship between two sets of elements, called the domain and the range, such that each element in the domain is associated with a unique element in the range.

The function f(x) = -x³ + 6x² -10x + 4 is a polynomial function, which means that it is defined for all real values of x. Unlike some functions (such as square roots or logarithms) which have restrictions on their input values, a polynomial function can take any real number as an input.

To express the domain of the function in interval notation, we use the notation (-∞, ∞), which represents all real numbers. The symbol ∞ stands for infinity, and the open interval notation with the parentheses indicates that there are no specific endpoints for the domain; it extends indefinitely in both directions along the real number line.

Therefore, we can say that the domain of f(x) is (-∞, ∞), which means that any real number can be plugged into the function and it will produce a valid output.

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Answer:

8n³ + 3n² + 8

Step-by-step explanation:

To find the sum of the two polynomials, we can simply add the corresponding terms:

(-5n^4 + 8) + (5n^4 + 8n³ + 3n²)

Combine the like terms:

(-5n^4 + 5n^4) + 8n³ + 3n² + 8

The -5n^4 and 5n^4 terms cancel each other out:

0 + 8n³ + 3n² + 8

So the expanded polynomial in standard form is:

8n³ + 3n² + 8

1. The each ingredient amount will be multiplied by 2.5.

2. [tex]\frac{5}{8}[/tex] ounces of yeast will make 30 rolls.

3.  [tex]\frac{5}{6}[/tex] cup of powdered milk will make 30 rolls.

4. 15 tablespoons of butter will make 30 rolls.

5.  [tex]\frac{15}{2}[/tex] more cups of bread flour than whole wheat flour will be needed to make 30 rolls.

6. The original recipe has been multiplied by 1.5 and this will serve 18 people.

The solution has been obtained by using the arithmetic operations.

What are arithmetic operations?

All real numbers are thought to be sufficiently described by the four basic operations, also referred to as "arithmetic operations." Quotient, product, sum, and difference are the mathematical operations that come after division, multiplication, addition, and subtraction.

1. We are given that the given recipe makes 12 rolls.

In order to make 30 rolls, the amount will be multiplied by 2.5 because when 12 is multiplied by 2.5, we get 30.

2. For 12 rolls, [tex]\frac{1}{4}[/tex] ounce package is required.

So, using the multiplication operation, we get

⇒ [tex]\frac{1}{4}[/tex] * 2.5 = [tex]\frac{5}{8}[/tex]

So,  [tex]\frac{5}{8}[/tex] ounces of yeast will make 30 rolls.

3. For 12 rolls, [tex]\frac{1}{3}[/tex] cup of powdered milk is required.

So, using the multiplication operation, we get

⇒ [tex]\frac{1}{3}[/tex] * 2.5 = [tex]\frac{5}{6}[/tex]

So,  [tex]\frac{5}{6}[/tex] cup of powdered milk will make 30 rolls.

4. For 12 rolls, 6 tablespoons of butter is required.

So, using the multiplication operation, we get

⇒ 6 * 2.5 = 15

So,  15 tablespoons of butter will make 30 rolls.

5. 4. For 12 rolls, 3 [tex]\frac{1}{2}[/tex] cups of bread flour is required.

So, using the multiplication operation, we get

⇒ 3 [tex]\frac{1}{2}[/tex]  * 2.5 = [tex]\frac{35}{4}[/tex]

Similarly, for 12 rolls,  [tex]\frac{1}{2}[/tex] cup of wheat flour is required.

So, using the multiplication operation, we get

⇒ [tex]\frac{1}{2}[/tex]  * 2.5 = [tex]\frac{5}{4}[/tex]

Now, using the subtraction operation, we get

⇒ [tex]\frac{35}{4}[/tex] -  [tex]\frac{5}{4}[/tex] =  [tex]\frac{30}{4}[/tex]

⇒ [tex]\frac{35}{4}[/tex] -  [tex]\frac{5}{4}[/tex] = [tex]\frac{15}{2}[/tex]

So, [tex]\frac{15}{2}[/tex] more cups of bread flour than whole wheat flour will be needed to make 30 rolls.

6. Let the number be x.

So,

⇒ [tex]\frac{1}{4}[/tex]x = [tex]\frac{3}{8}[/tex]

⇒ x = 1.5

So, the original recipe has been multiplied by 1.5.

Now,

⇒ Number of people served = 12 * 1.5

⇒ Number of people served = 18

So, this will serve 18 people.

Hence, the required solutions have been obtained.

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The complete question has been attached below.

Question:

Recipe:

Cinnamon Rolls

makes 12 rolls

1/4 -ounce package active dry yeast

1 cup warm water

3 tablespoons molasses

1/3 cup powdered milk

1 egg yolk,beaten

1 egg white, beaten

3 1/2 cups bread flour, divided

6 tablespoons butter, melted and divided

1 teaspoon salt

1/2 cup whole wheat flour

1/3 cup raisins

1 large egg, beaten

​​​​​​​1/4 cup water

You will use the recipe above to answer the following questions:

Respond to the questions about the second recipe:

1. This recipe makes 12 rolls, but you need to make 30 rolls. What number will you need to multiply the amount of each ingredient by to adjust the recipe? How did you determine this number?

2. How many ounces of yeast will you need to make 30 rolls?

3. How many cups of powdered milk will you need to make 30 rolls?

4. How many tablespoons of butter will you need to make 30 rolls?

5. How many more cups of bread flour than whole wheat flour will you need to make 30 rolls?

6. notice that the original recipe calls for 1/4 cup of water. If you put in 3/8 cup of water, by how much have you multiplied the original recipe? How many people will your new recipe serve?

Answer:

[tex]12 - 2 + 22 ÷ 8 \\ replace \:( 12 - 2) \: with \: 10 \\ = 10 + 22 \div 8 \\ = 10 + 2.75 \\ = 12.75[/tex]

Answer:

So, to make the expression have a value of 10, we need to group the first two terms together using parentheses and then add the result to the third term. The resulting expression is (12 - 2) + (22 ÷ 8) = 10 + (2.75) = 12.75.

Answer:

the answer is the 3rd one and I am 100% sure

Answer:

24

Step-by-step explanation:

If there are 6 designated accessible parking spaces for every 1 van-accessible parking space, then there are 6 times as many designated accessible parking spaces as van-accessible parking spaces.

If the average number of intended van-accessible spaces in Costco parking lots is 4, then the total number of authorized accessible spaces may be calculated as follows:

6 x 4 = 24

As a result, a typical Costco parking lot has 24 designated accessible parking spots, including 4 van-accessible spaces.

The percentage change in attendance after rounding off the answer to the nearest hundredth of a percent will be approximately 48.78%.

To find the percentage change in attendance, we need to calculate the difference between the new and old attendance, divide by the old attendance, and then multiply by 100 to express the result as a percentage:

percentage change = (new attendance - old attendance) ÷ old attendance × 100%

Plugging in the given values, we get:

percentage change = (61 - 41) ÷ 41 × 100%

percentage change = 20 ÷ 41 × 100%

percentage change = 0.4878 × 100%

percentage change ≈ 48.78%

To learn more about percentage follow the link: https://brainly.com/question/29306119

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To find when the apple will reach the ground, we need to find when the height of the apple is zero.

So, we set h(t) = 0 and solve for t:

-5t^2 + 3t + 1 = 0

Using the quadratic formula, we get:

t = (-b ± sqrt(b^2 - 4ac)) / 2a

where a = -5, b = 3, and c = 1.

Plugging in the values, we get:

t = (-3 ± sqrt(3^2 - 4(-5)(1))) / 2(-5)

Simplifying:

t = (-3 ± sqrt(49)) / (-10)

t = (-3 ± 7) / (-10)

t = 0.4 or t = 1.3

We discard the negative value since time cannot be negative, so the apple will reach the ground after approximately 1.3 seconds.

Therefore, it will take 1.3 seconds for the apple to reach the ground.

Hope this helped (: