11. why might you be less willing to interpret the intercept than the slope? which one is an extrapolation beyond the range of observed data?

The sequence {hn} defined as h0 = 5/3, h1 = 11/3, hn = 3hn-1 - 4hn-2 + 6n satisfies the given recurrence relation.

To prove that for all n ≥ 0, the sequence {hn} defined as h0 = 5/3, h1 = 11/3, hn = 3hn-1 - 4hn-2 + 6n satisfies the given recurrence relation, we can use mathematical induction.

Base case:

For n = 0, we have h0 = 5/3 which is equal to the given initial value.

For n = 1, we have h1 = 11/3 which is also equal to the given initial value.

Inductive step:

Assume that the recurrence relation holds for some k ≥ 1, i.e., hk = 3hk-1 - 4hk-2 + 6k.

We want to show that it also holds for k+1, i.e., h(k+1) = 3h(k+1)-1 - 4h(k+1)-2 + 6(k+1).

Using the recurrence relation for hk, we have:

hk+1 = 3hk - 4hk-1 + 6k+3 (by substituting k+1 for n in the given recurrence relation)

Similarly, we have:

hk = 3hk-1 - 4hk-2 + 6k (by assumption)

hk-1 = 3hk-2 - 4hk-3 + 6(k-1) (by assumption)

Substituting these values into the expression for hk+1, we get:

hk+1 = 3(3hk-1 - 4hk-2 + 6k) - 4(3hk-2 - 4hk-3 + 6(k-1)) + 6(k+1)

Simplifying the expression, we get:

hk+1 = 9hk-1 - 12hk-2 + 18k - 12hk-2 + 16hk-3 - 24(k-1) + 6(k+1)

hk+1 = 9hk-1 + 4hk-3 - 12hk-2 - 6(k-1) + 6(k+1)

hk+1 = 3(3hk-1 - 4hk-2 + 6k+1) - 4(3hk-2 - 4hk-3 + 6k) + 6(k+1)

hk+1 = 3h(k+1)-1 - 4h(k+1)-2 + 6(k+1)

This shows that the recurrence relation holds for all n ≥ 0 by mathematical induction, and hence the sequence {hn} defined as h0 = 5/3, h1 = 11/3, hn = 3hn-1 - 4hn-2 + 6n satisfies the given recurrence relation.

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Yes, regular octagons and equilateral triangles can form a semi-regular tessellation of the plane.

A tessellation is a repeating pattern of shapes that covers a plane without any gaps or overlaps. In a semi-regular tessellation, multiple regular polygons are used to create the pattern.

For regular octagons and equilateral triangles to form a semi-regular tessellation, they must satisfy two conditions:

Vertex Condition: The same polygons meet at each vertex.

Edge Condition: The same polygons meet along each edge.

Let's examine these conditions for regular octagons and equilateral triangles:

Regular Octagon:

Each vertex of an octagon meets three other octagons.

Each edge of an octagon meets two other octagons.

Equilateral Triangle:

Each vertex of a triangle meets six other triangles.

Each edge of a triangle meets three other triangles.

The vertex condition is satisfied because each vertex of an octagon meets three equilateral triangles, and each vertex of an equilateral triangle meets three octagons.

The edge condition is satisfied because each edge of an octagon meets two equilateral triangles, and each edge of an equilateral triangle meets three octagons.

Therefore, regular octagons and equilateral triangles can form a semi-regular tessellation of the plane.Yes, regular octagons and equilateral triangles can form a semi-regular tessellation of the plane.

A tessellation is a repeating pattern of shapes that covers a plane without any gaps or overlaps. In a semi-regular tessellation, multiple regular polygons are used to create the pattern.

For regular octagons and equilateral triangles to form a semi-regular tessellation, they must satisfy two conditions:

Vertex Condition: The same polygons meet at each vertex.

Edge Condition: The same polygons meet along each edge.

Let's examine these conditions for regular octagons and equilateral triangles:

Regular Octagon:

Each vertex of an octagon meets three other octagons.

Each edge of an octagon meets two other octagons.

Equilateral Triangle:

Each vertex of a triangle meets six other triangles.

Each edge of a triangle meets three other triangles.

The vertex condition is satisfied because each vertex of an octagon meets three equilateral triangles, and each vertex of an equilateral triangle meets three octagons.

The edge condition is satisfied because each edge of an octagon meets two equilateral triangles, and each edge of an equilateral triangle meets three octagons.

Therefore, regular octagons and equilateral triangles can form a semi-regular tessellation of the plane.

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Answer:

$2.15

Step-by-step explanation:

There are 12 in a dozen.

1.5 dozen = 18.

$38.70/18 = $2.15

It's $2.15 for a single rose.

Therefore, the probability that x bar is between 91 and 92.5 is approximately 1.

To find the probability that the sample mean x bar is between 91 and 92.5, we need to use the central limit theorem and assume that the sample mean follows a normal distribution with mean μ = 91.7 and standard deviation σ/√n = 0.5/√25 = 0.1.

Then, we can use a standard normal distribution with mean 0 and standard deviation 1 to find the probability:

P(91 ≤ x bar ≤ 92.5) = P[(91 - 91.7)/(0.1) ≤ (x bar - 91.7)/(0.1) ≤ (92.5 - 91.7)/(0.1)]

= P[-7 ≤ Z ≤ 8] where Z is a standard normal random variable.

Using a standard normal table or a calculator, we can find that the probability is approximately 1, since the range -7 ≤ Z ≤ 8 covers almost the entire area under the standard normal distribution.

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Answer:

angle

Step-by-step explanation:

since there is a < sign, that makes it an angle. I'm not sure if that is the whole problem, or if It is missing a picture. Hope this helps!

The correct answer is (a) i.e. the probability that the sum of the numbers on the two dice is greater than 4 is 30/36.

To find the probability that the sum of the numbers on two dice is greater than 4, we need to determine the number of favorable outcomes and divide it by the total number of possible outcomes.

We can start by listing all the possible outcomes when rolling two dice:

1-1, 1-2, 1-3, 1-4, 1-5, 1-6

2-1, 2-2, 2-3, 2-4, 2-5, 2-6

3-1, 3-2, 3-3, 3-4, 3-5, 3-6

4-1, 4-2, 4-3, 4-4, 4-5, 4-6

5-1, 5-2, 5-3, 5-4, 5-5, 5-6

6-1, 6-2, 6-3, 6-4, 6-5, 6-6

Out of these 36 possible outcomes, the outcomes where the sum is greater than 4 are:

1-4, 1-5, 1-6

2-3, 2-4, 2-5, 2-6

3-2, 3-3, 3-4, 3-5, 3-6

4-1, 4-2, 4-3, 4-4, 4-5, 4-6

5-1, 5-2, 5-3, 5-4, 5-5, 5-6

6-1, 6-2, 6-3, 6-4, 6-5, 6-6

There are 30 favorable outcomes. Therefore, the probability that the sum of the numbers on the two dice is greater than 4 is 30/36.

So the correct answer is (a) 30/36.

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The measure of AB in the triangle is 15.29.

The measure of BC is 8.05.

We have,

Using sin identity.

Sin 58 = AC / AB

AB = AC / Sin 58

AB = 13 / 0.85

AB = 15.29

Now,

Using the Pythagorean theorem.

AB² = AC² + BC²

15.29² = 13² + BC²

233.78 = 169 + BC²

BC² = 233.78 - 169

BC² = 64.78

BC = 8.05

Thus,

The measure of AB is 15.29.

The measure of BC is 8.05.

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The equation that best represents y, the total cost for x gallons of gas is y = 2.12x.

The equation that best represents y, the total cost for x gallons of gas if Mrs. Masek recently filled her car with gas and paid $2.12 per gallon is :y = 2.12x

Explanation :Mrs. Masek recently filled her car with gas and paid $2.12 per gallon. Let x be the number of gallons filled in the car. Now, y can be calculated using the cost per gallon of gas and the number of gallons filled in the car. Total cost (y) = Cost per gallon × Number of gallons filled in the car. Substituting the given values, we have :y = 2.12x

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The answer is C. Not enough information to determine.

To understand which stock should have the highest expected return, we need more information about the stocks and the market. Standard deviation and beta are risk measures but do not directly provide information about expected return.
Standard deviation measures the dispersion of a stock's returns, with a higher standard deviation indicating greater volatility. Beta measures a stock's sensitivity to market movements, with a higher beta indicating greater responsiveness to market changes.
While risk and return are often positively correlated, meaning that higher risk investments typically offer higher potential returns, we cannot determine the expected return of these stocks based solely on their standard deviation and beta values. We would need additional information about the stocks, such as their historical returns or dividend yields, as well as the overall market conditions, to make an informed decision on which stock has the highest expected return.

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To prove that if p is an odd prime and p = a^2 * b^2 for integers a, b, then p ≡ 1 (mod 4), we can use the concept of quadratic residues and the properties of modular arithmetic.

Let's start with the given assumption that p is an odd prime and can be expressed as p = a^2 * b^2, where a and b are integers. We want to prove that p ≡ 1 (mod 4), which means p leaves a remainder of 1 when divided by 4.

We can begin by considering the possible residues of perfect squares modulo 4. When a is an even integer, a^2 ≡ 0 (mod 4) since the square of an even number is divisible by 4. Similarly, when a is an odd integer, a^2 ≡ 1 (mod 4) since the square of an odd number leaves a remainder of 1 when divided by 4.

Now, let's examine the expression p = a^2 * b^2. Since p is a prime number, it cannot be factored into smaller integers, except for 1 and itself. Therefore, both a and b must be either 1 or -1 modulo p. We can express this as:

a ≡ ±1 (mod p)

b ≡ ±1 (mod p)

Now, let's consider the value of p modulo 4:

p ≡ (a^2 * b^2) ≡ (±1)^2 * (±1)^2 ≡ 1 * 1 ≡ 1 (mod 4)

We know that a^2 ≡ 1 (mod 4) for any odd integer a. Therefore, both a^2 and b^2 ≡ 1 (mod 4). When we multiply them together, we still obtain the residue of 1 modulo 4.

Hence, we have proven that if p is an odd prime and p = a^2 * b^2 for integers a, b, then p ≡ 1 (mod 4).

To provide an explanation of the proof, we used the concept of quadratic residues and modular arithmetic. In modular arithmetic, numbers can be classified into different residue classes based on their remainders when divided by a given modulus. In this case, we focused on the modulus 4.

We observed that perfect squares, when divided by 4, can only have residues of 0 or 1. Specifically, the squares of even integers leave a remainder of 0, while the squares of odd integers leave a remainder of 1 when divided by 4.

Using this knowledge, we analyzed the expression p = a^2 * b^2, where p is an odd prime and a, b are integers. Since p is a prime, it cannot be factored into smaller integers, except for 1 and itself. Therefore, a and b must be either 1 or -1 modulo p.

By considering the possible residues of a^2 and b^2 modulo 4, we found that both a^2 and b^2 ≡ 1 (mod 4). When we multiply them together, the resulting product, p = a^2 * b^2, also leaves a remainder of 1 modulo 4.

Thus, we concluded that if p is an odd prime and p = a^2 * b^2 for integers a, b, then p ≡ 1 (mod 4).

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Answer: Your answer is D. 3.5

Step-by-step explanation: 28 divided by 8 is 8.5. I learned how to divide numbers on paper in last years math class.

Hope it helped :D

Answer:

D. 3.5

Step-by-step explanation:

We just take 28 divided by 8 and get 3.5

The population will reach 10,000 after about 166.68 minutes.

We can use the formula for exponential growth: N = N0 * e^(rt), where N is the population at time t, N0 is the initial population, r is the growth rate, and e is Euler's number.

Let's use the first two data points to find the growth rate and initial population. We know that after 15 minutes, N = 400, so:

400 = N0 * e^(r*15)

Similarly, after 30 minutes, N = 1400, so:

1400 = N0 * e^(r*30)

Dividing the second equation by the first, we get:

3.5 = e^(r*15)

Taking the natural logarithm of both sides, we get:

ln(3.5) = r*15

So the growth rate is:

r = ln(3.5)/15

r ≈ 0.0918

Using the first equation above, we can solve for N0:

400 = N0 * e^(0.0918*15)

N0 ≈ 98.51

So the initial population was about 98.51.

The doubling period is the time it takes for the population to double in size. We can use the formula for doubling time: T = ln(2)/r, where T is the doubling time.

T = ln(2)/0.0918

T ≈ 7.56 minutes

So the doubling period is about 7.56 minutes.

To find the population after 120 minutes, we plug in t = 120:

N = 98.51 * e^(0.0918*120)

N ≈ 22601.27

So the population after 120 minutes is about 22,601.27.

To find when the population reaches 10,000, we set N = 10,000 and solve for t:

10,000 = 98.51 * e^(0.0918*t)

t = ln(10,000/98.51)/0.0918

t ≈ 166.68 minutes

So the population will reach 10,000 after about 166.68 minutes.

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The x-intercepts are approximately 0.54 and 11.46. Since the coefficient of x^2 is positive, the graph opens upwards. Combining all of this information, we can sketch a graph of f(x) that looks like a "U" shape with vertex at (6, -12) and x-intercepts at approximately 0.54 and 11.46.

(a) To express f(x) in standard form, we need to complete the square. First, we can factor out the coefficient of x^2 to get:

f(x) = x^2 - 12x + 24

Next, we add and subtract (12/2)^2 = 36 to the expression inside the parentheses to get:

f(x) = (x^2 - 12x + 36) - 36 + 24

The expression inside the parentheses can be rewritten as (x - 6)^2, so we have:

f(x) = (x - 6)^2 - 12

Therefore, the standard form of the quadratic function f(x) is f(x) = (x - 6)^2 - 12.

(b) To sketch a graph of f, we can first identify the vertex as (6, -12) from the standard form. This is the lowest point on the graph since the coefficient of x^2 is positive. We can also find the x-intercepts by setting f(x) = 0:

(x - 6)^2 - 12 = 0

(x - 6)^2 = 12

x - 6 = ±√12

x = 6 ± 2√3.

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The density difference required for the flow at the exit of the contraction to have uniform velocity is simply -ρ₁.

Assuming steady, incompressible, and inviscid flow, the continuity equation states that the mass flow rate must be conserved, i.e.,

ρ₁A₁U₁ = ρ₂A₂U₂

where ρ₁ and ρ₂ are the densities of the two streams, A₁ and A₂ are the cross-sectional areas of the two streams, U₁ and U₂ are the velocities of the two streams, respectively.

Since the flow at the exit of the contraction has uniform velocity, we can set U₂ = U₁. Also, since the two streams are parallel, we can assume that A₁ = A₂ = A. Therefore, the continuity equation becomes:

ρ₁U₁ = ρ₂U₂ = ρ₂U₁

Now, we can express the density of the second stream in terms of the density of the first stream and the density difference:

ρ₂ = ρ₁ + Ap

Substituting this into the continuity equation, we get:

ρ₁U₁ = (ρ₁ + Ap)U₁

Simplifying this equation, we obtain:

Ap = -ρ₁(U₁/U₁ - 1) = -ρ₁

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On a Saturday afternoon, a family of five went to see a matinée movie. Everyone paid the same price for their movie tickets. The equation will be 57.50 = 5x + 25 and the value of x is $6.50.

Let the price of one movie ticket be x,

So if there are 5 members and the ticket price is same for all, the total price for 5 movie tickets = Price of one ticket × 5

= x × 5

= 5x

Money spent on drinks = $25

ow, the total money spent is $57.50

Total money spent = money spent on movie tickets + money spent on drinks

So, the equation will be:

57.50 = 5x + 25

Now, on solving the equation:

5x = 57.50 - 25

5x = 32.50

x = 32.50 / 5

x = 6.50

Hence, the price of one ticket is $6.50 and the equation for this question is 57.50 = 5x + 25.

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When choosing between two unbiased estimators of a population parameter, the one with the lower standard deviation is generally preferred as it indicates that the estimator is more precise. The correct answer is option d.

In other words, the variance of the estimator is smaller, meaning that the estimator is less likely to deviate far from the true value of the population parameter.

An estimator with a larger standard deviation, on the other hand, is less precise and is more likely to produce estimates that are farther from the true value. Therefore, it is important to consider the variability of the estimators when choosing between them.

It is worth noting, however, that the standard deviation alone is not sufficient to fully compare and evaluate two estimators. Other properties such as bias, efficiency, and robustness must also be taken into account depending on the specific context and requirements of the problem at hand.

The correct answer is option d.

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Step-by-step explanation:

32.605    is it

The correct choice is A. Using the cofactor expansion across the first row, the determinant of the given matrix is (2)(-13) - (-3)(-5) + (3)(7) = -26 + 15 + 21 = 10.

To compute the determinant using the cofactor expansion across the first row, we multiply each element of the first row by its cofactor and sum them up. The cofactor of an element is determined by taking the determinant of the submatrix obtained by removing the row and column containing that element, and then multiplying it by (-1) raised to the power of the sum of the row and column indices.

For the given matrix:

2  2  1

-3 1  4

3  3 -1

Expanding along the first row, we have:

Det = (2)(cofactor of 2) + (2)(cofactor of 2) + (1)(cofactor of 1)

    = (2)(-13) - (-3)(-5) + (3)(7)

    = -26 + 15 + 21

    = 10.

Therefore, the correct choice is A. The determinant of the matrix, using the cofactor expansion across the first row, is 10.

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Answer:

200 students

--------------------

40% out of 500 students taking Spanish.

Find it in number:

The estimated probability of getting a green marble from this bag is 9/25.

The probability of getting a green marble from this bag.

We'll use the information provided on each student's results to calculate the probability.
Student 1: Picked a green marble 1 time in 4 experiments.
Student 2: Picked a green marble 5 times in 12 experiments.
Student 3: Picked a green marble 3 times in 9 experiments.
To estimate the probability, we'll add the number of successful green marble picks (1 + 5 + 3 = 9) and divide it by the total number of experiments (4 + 12 + 9 = 25).
Probability of getting a green marble = (Number of successful picks) / (Total number of experiments) = 9 / 25.

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Answer:

700

Step-by-step explanation:

4(175)=700

The first 3 non-zero terms only [tex]x^4 e^{-x/2} = x^4.[/tex]

We can use the Maclaurin series for the trigonometric functions and exponential function to obtain the Maclaurin series for the given functions.

Here are the solutions:

[tex]f(x) = cos(7x^4)[/tex]

The Maclaurin series for cosine is:

[tex]cos(x) = 1 - x^2/2! + x^4/4! - x^6/6! + ...[/tex]

Substituting 7x^4 for x, we get:

[tex]cos(7x^4) = 1 - (7x^4)^2/2! + (7x^4)^4/4! - (7x^4)^6/6! + .....[/tex]

Simplifying, we get:

[tex]cos(7x^4) = 1 - 49x^8/2! + 2401x^16/4! - 117649x^24/6! + ...[/tex]

The first three non-zero terms are:

[tex]cos(7x^4) ≈ 1 - 24.5x^8 + 168.1x^16 - 2042.5x^24 + ...[/tex]

f(x) = sin(-πx)

The Maclaurin series for sine is:

[tex]sin(x) = x - x^3/3! + x^5/5! - x^7/7! + ...[/tex]

Substituting -πx for x, we get:

[tex]sin(-\pi x) = -\pi x + (-\pi x)^3/3! - (-\pi x)^5/5! + (-\pi x)^7/7! -......[/tex]

Simplifying, we get:

[tex]sin(-\pix) = -\pi x + \pi ^3 x^3/3! - \pi^5 x^5/5! + \pi^7 x^7/7! - ...[/tex]

The first three non-zero terms are:

[tex]sin(-\pi x) \approx -\pi x + 5.17\pi ^3 x^3 - 10.8\pi ^5 x^5 + 14.7\pi ^7 x^7 - ...[/tex]

[tex]f(x) = tan^-1(4x)[/tex]

The Maclaurin series for the arctangent function is:

[tex]tan^-1(x) = x - x^3/3 + x^5/5 - x^7/7 + ...[/tex]

Substituting 4x for x, we get:

[tex]tan^-1(4x) = 4x - (4x)^3/3 + (4x)^5/5 - (4x)^7/7 + .....[/tex]

Simplifying, we get:

[tex]tan^-1(4x) = 4x - 64x^3/3 + 1024x^5/5 - 16384x^7/7 + ...[/tex]

The first three non-zero terms are:

[tex]tan^-1(4x) \approx 4x - 21.33x^3 + 163.84x^5 - 1866.28x^7 + ...[/tex]

[tex]f(x) = x^4 e^{-x/2}[/tex]

The Maclaurin series for the exponential function is:

[tex]e^x = 1 + x + x^2/2! + x^3/3! + ...[/tex]

Substituting -x/2 for x and multiplying by[tex]x^4[/tex], we get:

[tex]x^4 e^{-x/2} = x^4 (1 - x/2 + x^2/2! - x^3/3! + ...)[/tex]

Expanding the product, we get:

[tex]x^4 e^{-x/2} = x^4.[/tex]

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a) For the sequence sin(1/n), as n -> infinity, 1/n -> 0, and sin(1/n) -> sin(0) = 0. Thus, the rate of convergence is O(1/n).

b) For the sequence sin(1/n^2), as n -> infinity, 1/n^2 -> 0, and sin(1/n^2) -> sin(0) = 0. Thus, the rate of convergence is O(1/n^2).

c) For the sequence (sin(1/n))^2, as n -> infinity, 1/n -> 0, and sin(1/n) -> sin(0) = 0. Thus, the rate of convergence is O(1/n^2).

d) For the sequence [ln(n+1) - ln(n)], we can use the mean value theorem to show that ln(n+1) - ln(n) = 1/(c_n+1) for some c_n between n and n+1. Thus, as n -> infinity, c_n -> infinity, and 1/(c_n+1) -> 0. Thus, the rate of convergence is O(1/n).

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The right response is option c, which states that an interval calculated in this method has a 95 percent chance of bracketing the population mean.

Because it correctly explains what a confidence interval is, choice c is the best one. A confidence interval is a set of values derived from a sample of data that, with a certain level of certainty, contains the true population parameter.

According to the 95% confidence interval, 95% of the sample means would fall between the ranges of 112.5 and 118.4 if we were to compute the means for several samples taken from the same population.

Instead of revealing the likelihood that this range contains the genuine population mean, it only indicates the likelihood that this range does.

Therefore, option c is the correct answer.

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the simplified expression is 1 / (200[tex]x^4[/tex]).

No problem! Let's break down the expression step by step and simplify it.

The expression you provided is:

[tex](20x^{(-3)} / 10x^{(-1)})^{(-2)}[/tex]

To simplify this, we can start by simplifying the numerator and denominator separately.

Numerator:

20[tex]x^{(-3)}[/tex]

Since we have a negative exponent, we can move the term to the denominator and change the sign of the exponent:

1 / (20[tex]x^3[/tex])

Denominator:

10[tex]x^{(-1)}[/tex]

Similarly, we move the term to the numerator and change the sign of the exponent:

10x

Now, we can rewrite the original expression as:

(1 / (20[tex]x^3[/tex])) / (10x)

To divide by a fraction, we multiply by its reciprocal:

(1 / (20[tex]x^3[/tex])) * (1 / (10x))

Multiplying the numerators and the denominators, we get:

1 / (200[tex]x^4[/tex])

Finally, we have:

1 / (200[tex]x^4[/tex])

So, the simplified expression is 1 / (200[tex]x^4[/tex]).

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True, This Continuity Editing/Cutting device is used in Classical Hollywood Cinema.

Match on action is a common continuity editing/cutting technique used in Classical Hollywood Cinema, where the editor cuts from one shot to another while maintaining visual continuity between the two shots by showing the continuation of an action or movement from one shot to the next. This helps to create a smooth and seamless flow of action on screen and maintains the illusion of reality for the viewer.

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The salary of Jamal, for a month where he made no sales, will be $3,400.

The base monthly salary of Jamal is $3,400, and he gets a commission of $0.05 for every dollar in sales.

In this equation, x represents the amount of sales he makes, and y represents his total earnings.Jamal has not made any sales this month, so x will be equal to zero. To determine his salary, we will substitute x = 0 in the given equation to get:

y = 3,400 + 0.05(0)y = 3,400 + 0y = 3,400

As per the given equation, if Jamal does not make any sales, his salary will be $3,400. He earns a base monthly salary of $3,400, and his salary increases by $0.05 for every dollar of sales he makes.

This is a linear equation with a slope of $0.05, indicating that his salary will increase by $0.05 for each dollar of sales he makes.

The y-intercept is $3,400, indicating that his base monthly salary is $3,400. We can plot this line on a graph with the y-axis representing Jamal's salary and the x-axis representing the amount of sales he makes. The slope will be 0.05, and the y-intercept will be 3,400

The salary of Jamal, for a month where he made no sales, will be $3,400.

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Hello !

Answer:

[tex]\Large \boxed{\sf f'(x)=-\frac{7}{(x+6)^2} }[/tex]

Step-by-step explanation:

Let's remember !

Given : [tex]\sf f(x) = \frac{7}{x+6}[/tex]

We have :

Let's derivate u and v with the previous formulas:

Now we can apply the first formula !

[tex]\sf f'(x)=\frac{0\times(x+6)-7\times1}{(x+6)^2} \\\boxed{\sf f'(x)=-\frac{7}{(x+6)^2} }[/tex]

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A month has 4 weeks, Jose's earnings for a month would be $619.8

First, let's calculate how much Jose earns in a week:

Earnings per day = $10.33/hour * 3 hours/day = $30.99/day

Weekly earnings = $30.99/day * 5 days/week = $154.95/week

Now, let's calculate the monthly earnings by multiplying the weekly earnings by the number of weeks in a month:

Monthly earnings = $154.95/week * 4 weeks/month = $619.80/month

Therefore, Jose will have $619.80 at the end of the month if he works 3 hours a day, 5 days a week, at a rate of $10.33 per hour.

At the end of the month, Jose would have earned $619.8.

As  Jose works 3 hours a day, 5 days a week, at $10.33 an hour, he would earn:

$10.33 x 3 hours a day x 5 days a week= $154.95 per week.

Since a month has 4 weeks, Jose's earnings for a month would be:

4 weeks x $154.95 per week= $619.8

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Answer:

A, B, and D

Step-by-step explanation: