what is 0.969696 repeating as a fraction?

Yes, $9 for 4 visitors and $18 for 8 site visitors are proportional.

To determine whether or not $9 for 4 visitors and $18 for 8 visitors are proportional, we need to test if the ratio of the value to the number of visitors is the equal for both cases.

The ratio of cost to the quantity of visitors for $9 and four visitors is:

$9/4 visitors = $2.25/ visitors

The ratio of value to the quantity of visitors for $18 and eight visitors is:

$18/8 visitors = $2.25/ visitors

We are able to see that both ratios are equal to $2.25 per visitor.

Therefore, $9 for 4 visitors and $18 for 8 site visitors are proportional.

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Answer:

7.77777777778

Step-by-step explanation:

Answer:

7 7/9

Step-by-step explanation:

First convert all the fractions into improper ones.

Then, start to multiplying 7/3x2=14/3

Finally multiply 14/3x5/3=70/9

Simplify=7 7/9

Approximate f'(2.3) is approximately -0.29564.

Approximate f"(2.32) is approximately -0.01845.

To approximate the values of f'(2.3) and f"(2.32), we can use numerical differentiation.

For f'(2.3), we can approximate it using the central difference formula: f'(2.3) ≈ (f(2.3 + h) - f(2.3 - h))/(2h), where h is a small step size. Using the given values, we can calculate f'(2.3) ≈ (f(2.32) - f(2.28))/(2(0.02)).

Substituting the values, we have: f'(2.3) ≈ (2.32^2 + 1 - 2.28^2 + 1)/(2(0.02)) ≈ -0.29564. Similarly, for f"(2.32), we can approximate it using the central difference formula for the second derivative: f"(2.32) ≈ (f(2.32 + h) - 2f(2.32) + f(2.32 - h))/h^2.

Using the given values, we have: f"(2.32) ≈ (f(2.34) - 2f(2.32) + f(2.30))/(0.02^2). Substituting the values, we have: f"(2.32) ≈ (2.34^2 + 1 - 2(2.32^2 + 1) + 2.30^2 + 1)/(0.02^2) ≈ -0.01845.

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To test for the significance of the model at a 5% significance level, the critical F value must be determined using the degrees of freedom and the F distribution table or statistical software. The calculated F value is then compared to the critical F value to determine if the model is statistically significant.

The significance of a model is determined by comparing the calculated F value to the critical F value at a given significance level. The critical F value is determined by the degrees of freedom for the numerator and denominator, and the significance level.

At a 5% significance level, the critical F value can be found using a F distribution table or a statistical software. The critical F value will be the value at which 95% of the F distribution falls below it, and 5% falls above it.

For example, if the degrees of freedom for the numerator are 2 and the degrees of freedom for the denominator are 10, the critical F value at a 5% significance level would be 4.10. If the calculated F value is greater than the critical F value, the model is considered to be statistically significant at the 5% level.

In conclusion, to test for the significance of the model at a 5% significance level, the critical F value must be determined using the degrees of freedom and the F distribution table or statistical software. The calculated F value is then compared to the critical F value to determine if the model is statistically significant.

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(x+1) & (x-5) are the factors of given equation.

The given Equation is,

x3- \(3x^{3}\) - 9

Here, If we substitute x =5, in the given equation, then we find

     (5)3 - 3(5)3 - 9*5 -5 = 0

x-5 is factor of given equation to find another factor dividing given equation by x-5

    we will get =(x2+2x+1) after dividing the equation by x - 5

Hence x3- \(3x^{3}\) - 9 =(x2+2x+1) (x-5)

                            =(x+2)2 (x-5)

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Answer:

y = 36

Step-by-step explanation:

Given y varies directly as z and inversely as x then the equation relating them is

y = \(\frac{kz}{x}\) ← k is the constant of variation

To find k use the condition y = - 18, z = 3 when x = 6 , then

- 18 = \(\frac{3k}{6}\) ( multiply both sides by 6 )

- 108 = 3k ( divide both sides by 3 )

- 36 = k

y = \(\frac{-36z}{x}\) ← equation of variation

When x = 5 and z = - 5, then

y = \(\frac{-36(-5)}{5}\) = \(\frac{180}{5}\) = 36

We draw a triangle QRS with vertices shown:

After dilation with a scale factor of r = 3/2, we multiply each coordinate by 3/2 and find the new coordinates Q', R', and S', respectively.

Shown below:

Drawing Q' R' S', we have the dilated triangle graph:

Solving this equation gives us a half-life of approximately 1.36 years. Rounded to two decimal places, the half-life of this substance is 1.36 years.

The half-life of a substance is the amount of time it takes for half of the atoms in a sample of the substance to decay.

To find the half-life, you can use the following formula:

half-life = (time) * ln(2) / ln(initial mass / final mass)

half-life = (1 year) * ln(2) / ln(32 mg / 25.5 mg)

Solving this equation gives us a half-life of approximately 1.36 years.

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Answer:

37

Step-by-step explanation:

3 to the 3rd power is 3x3x3=27, (-5x-2)=10 because two negatives cancel each other out and make a positive, add 27 and 10 and that equals 37. Hope this helps :)

Answer:

x=-15

Step-by-step explanation:

4x-3x=9-24

1x=-15

x=-15

Based on the survey results, a typical parent would spend around $44 on their child's birthday gift, with a margin of error of approximately $2.9 at a 99% confidence level.

To estimate how much a typical parent would spend on their child's birthday gift, we use the sample mean and standard deviation as estimates of the population parameters. The sample mean of $44 serves as the point estimate for the population mean.

To determine the margin of error, we use the standard error, which is the standard deviation divided by the square root of the sample size. In this case, the standard error is approximately $2.5 (standard deviation of $10 divided by the square root of 20). Multiplying the standard error by the critical value corresponding to a 99% confidence level (z-value of 2.58 for a large sample size) gives us the margin of error.

Therefore, the typical amount spent on a child's birthday gift is estimated to be $44, with a margin of error of approximately $2.9. This means that we can be 99% confident that the true mean amount spent by parents falls within the range of $41.1 to $46.9.

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Answer:

88 blankets

Step-by-step explanation:

5 times 15 = 75

75 + 13 = 88

Answer:

b

Step-by-step explanation:

Since it intercepts y at 4, and x at 2, we use y=ax+b and rearrange to get the equation from y=2x+4 to 2x-y=-4

Answer:

b) 2x - y = -4

Step-by-step explanation:

The y-intercept is the y-coordinate of the point (0, b) where the graph crosses the y-axis. It is also the value of y when x = 0.

The crosses the y-axis at point (0, 4). Therefore, the y-intercept, b = 4.

Next, we need to determine which of the given options matches the graph.  It helps to transform each of them into their slope-intercept form, y = mx +b:

2x - 2x + y = - 2x + 4

y = -2x + 4  (This is not the correct answer because the slope, m = -2. The given graph has a positive slope).

2x - 2x - y = - 2x - 4

-y = -2x - 4

Divide both sides by -1:

\(\frac{-y}{-1} = \frac{-2x - 4}{-1}\)

y = 2x + 4 This is the correct answer because it matches the y-intercept (0, 4), and has a positive slope of 2.

We could easily disregard the last two options because both of their y-intercept is 0.

Therefore, the correct answer is Option b) 2x - y = - 4

Answer:

m = rise/run = 4/5.

Step-by-step explanation:

This line goes throught the "exact" grid intersections (-2, 0) and (3, 4).  As we move from the first point to the second, we see that x increases by 5 (this is the 'run') and y increases by 4 (this is the 'rise').  Thus, the slope of this line is m = rise/run = 4/5.

Answer:

Step-by-step explanation: does it give you options on what you can say?

Answer:

Step-by-step explanation:

Line 2: addition is commutative. a+b=b+a

Line 3: multiplication is distributive over addition. a(b+c)=ab+ac

Based on the data above, The five-number summary is 0.00, 0.17, 0.5, 1.43, 292.00.

The following data represent the dividend yields (in percent) of a random sample of 26 publicly traded des.

The following data represents the dividend yields (in percent) of a random sample of 26 publicly traded des:

0.5 0.8 1.75 0.04 0.18 0.35 3.69 0 0.95 0 0.17 1.83 1.33 0 0.54 1.14 0.41 159 21 2.41 292 3.18 3.03 1.43 0.58 0.13 0 0.19

Here, the five-number summary is given by:

Minimum value = 0.00

First Quartile (Q1) = 0.17

Median (Q2) = 0.5

Third Quartile (Q3) = 1.43

Maximum value = 292.00

Therefore, the five-number summary is 0.00, 0.17, 0.5, 1.43, 292.00.

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The probability to get a 3 or 4 in the third toss and 6 in the fourth toss is 1/18.

The sample space for a six-sided die is

{1, 2, 3, 4, 5, 6}

Hence the total number of possibilities = 6

The rolling of a die is IID that is Independently and Identically distributed.

Hence,

the result of one toss will not affect the result of the successive tosses.

Probability

= n(E)/n

= no of favorable outcomes for any event /total no. of outcomes

Here,

n = 6

Let A be the event of getting a 3 or 4 in the third toss

Let B be the event of getting 6 on the fourth toss

E(A) = {3,4}

n(A) = 2

Hence,

P(A) = 2/6

= 1/3

B = {6}

n(B) = 1

P(B) = 1/6

Since these are IID,

P(A and B) = P(A) X (B) [Property of independent events]

Hence P(A∩B) = 1/3 X 1/6

= 1/18

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Computing a one-sample t-test is appropriate when d) all of the above

A statistical hypothesis test called the one-sample t-test is used to examine whether an unknown population mean differs from a given value. The test is applicable to continuous data. When doing a t-test, it is typical to make the following assumptions: the measuring scale, random sampling, normality of the data distribution, sufficiency of the sample size, and equality of variance in standard deviation.

When performing a one-sample t-test, the data should be collected at random from a population that is generally healthy. When each participant is put into a single group and is present on time, it is suitable. Additionally, it is suitable when the population variance is unknown.

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Answer:

$15.43

Step-by-step explanation:

$14.55 x 1.06 = $15.423

Answer:

C \(\displaystyle x = 15\)

Step-by-step explanation:

Use the Pythagorean Theorem to define the hypotenuse:

\(\displaystyle a^2 + b^2 = c^2 \\ \\ 12^2 + 9^2 = x^2 \hookrightarrow 144 + 81 = x^2 \hookrightarrow \sqrt{225} = \sqrt{x^2} \\ \\ \boxed{15 = x}\)

I am joyous to assist you at any time.

\( \huge \underline\text{ Hello There}\)

\( \text{We know, Pythagoras Theorem}\)

\(\implies \text{ (Hypotenuse)²= (Base)² + (Altitude)²}\)

\( \text{Here, \red{Hypotenuse}= x, \red{Base}= 9, \red{Altitude}= 12}\)

\( \underline \text{To Find, } \text{Value of'x'}\)

\( \huge \underline\text \red {Solution}\)

\((x) {}^{2} = (9) {}^{2} + ({12})^{2} \\ \implies (x) { }^{2} = 81 + 144 \\ \implies (x) {}^{2} = 225 \\ \implies x = \sqrt{225} \\ \implies x = 15\)

\( \tt{So \: The \: Value \: of'x'= 15}\)

\( \bold{\therefore Hypotenuse= 15}\)

\( \text{Correct Opt. C= x =15}\)

The rate at which the x-coordinate is changing is 3√3 units per second .

In the question ,

it is given that

the equation of the particle moving in the circular orbit is x²+y²=16

given the y coordinate decreases at 3units per second

So, dy/dt = -3.

to find the rate at which the x-coordinate is changing , we will differentiate the given equation.

Differentiating the equation  x²+y²=16 with respect to t , we get

d/dt(x²+y²) = d/dt(16)

2x(dx/dt) + 2y(dy/dt) = 0

2x(dx/dt) =  -2y(dy/dt)

Dividing both sides by 2 ,

we get ,

x(dx/dt) =  -y(dy/dt)

\(\frac{dx}{dt} =\frac{-y(\frac{dy}{dt}) }{x}\)

As the particle is passing through the point (2,2√3) , So, the point will satisfy the equation.

Substituting the value of x=2 , y=2√3 and dy/dt= -3 ,

we get ,

dx/dt = ((-2√3)*(-3))/2

= (6√3)/2

= 3√3

Therefore , the rate at which the x-coordinate is changing is 3√3 units per second .

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Answer:

820

Step-by-step explanation:

(2×58) = 116

(4×113) = 452

158+116+452+94= 820

Answer:

820

Step-by-step explanation:

First, I multiplied the ones in parenthesis and the I added 158 then I added 94.

How to help you know what to do first. PEMDAS!!

P: Parenthesis
E: Exponents
M: Multiplication
D: Division
A: Addition
S: Subtraction

That is the order you should do those kind of problems, so just remember PEMDAS!!!!!! I hope this helped!!

The worst-case time complexity of the algorithm for finding the first term of a sequence of integers equal to some previous term is O(n), where n is the number of terms in the sequence.

In the worst-case scenario, we need to search through the entire sequence to find the first occurrence of a term that matches a previous term.

This means that we have to compare each term with its preceding terms until we find a match or reach the end of the sequence.

Since we have to potentially compare each term with all the preceding terms, the time complexity of the algorithm grows linearly with the number of terms in the sequence. Therefore, the worst-case time complexity is O(n), where n represents the number of terms.

It is important to note that the time complexity analysis assumes that the sequence is not sorted or indexed in a way that allows for faster search operations. If there are additional optimizations or data structures used to expedite the search process, the time complexity could be improved beyond O(n). However, without such optimizations, the worst-case time complexity remains O(n).

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Answer:

A+B/2

10*19=190

190/2= 95

Step-by-step explanation:

Answer: 4xy²(5-y)

Step-by-step explanation:

To factorize, we must take out common multiples in both parts of the equation. Think of 20xy² and -4xy³ as two completely separate parts. Now, we need to see which parts of the equation are found in both. For instance, 4 can go into both, an x can go into both, and y² can go into both. Now, we simply factor.

Bring the similarities out to the front: 4xy²()

Now, use division to find what would be inside the parenthesis: 5 - y

Now, combine these two parts: 4xy²(5-y)

To check your work, you can simply multiply the outside of the parenthesis by the inside, and you should get the same as what you started with. Hope this helps!

Answer:

you need to solve for x

Step-by-step explanation:

the ez way for me is by flipping it so now it is -(7-10)=x and 10 -7=3

Answer:

-7=3

Step-by-step explanation:

Hope this helps :D

A technical change that increases the productivity of capital in the Cobb-Douglas production function is represented by an increase in the β parameter.

In the Cobb-Douglas production function f(l,k) = alαkβ, where l represents labor input, k represents capital input, and α and β are positive constants representing the output elasticity of labor and capital, respectively, a technical change that increases the productivity of capital can be represented by an increase in the β parameter.

By increasing the β parameter, the production function assigns a higher weight to the capital input, indicating that an increase in capital will have a greater impact on output. This represents an improvement in the productivity of capital, reflecting technological advancements or changes that make capital more efficient in the production process.

In summary, a technical change that increases the productivity of capital in the Cobb-Douglas production function is represented by an increase in the β parameter.

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Respuesta:

x = 5.656854249

Explicación paso a paso:

[NOTA: Solo quería disculparme de antemano por cualquier mala gramática, ya que estoy usando un traductor para esto.]

x/Sen30°= 8/Sen45° [Multiplica ambos lados por Sen30°]

x = (8/Sen45°) * Sen30° [Resuelve usando una calculadora]

x = 5.656854249