calculate the probability that a randomly selected customer watches exactly one category of program and that category is not sports.

The z-score of an appliance that failed after 64 months is 2.

To find the z-score:

The given parameters are:

The z-score is then computed as follows:

We have the following for an appliance that stopped working after 64 months:

So, the equation becomes:

Compare and contrast the differences:

Calculate the quotient:

Therefore, the z-score of an appliance that failed after 64 months is 2.

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The All the expressions that are equivalent to "3.5 - (4.7)" are (b) -4.7 + 3.5 and (e) 3.5+ (-4.7)  .

to find the equivalent expressions , we solve the expressions :

the main expression is 3.5 - (4.7) = -1.2 ;

Simplifying the expressions :

(a) 4.7 - (3.5) = 1.2    False

(b) -4.7 + 3.5 = -1.2   True

(c) 3.5 + 4.7 =  8.2  False

(d) 3.5 - (-4.7) = 3.5 + 4.7 = 8.2   False

(e) 3.5 +(-4.7) = 3.5 - 4.7  = -1.2   True

So , the only value of the expressions that matches with the main expressions are (b) -4.7 + 3.5 and (e) 3.5+ (-4.7)  .

The given question is incomplete , the complete question is

Select ALL of the expressions that are equivalent to "3. 5 - (4. 7)"

(Select all that apply. )

(a) 4.7 - (3.5)

(b) -4.7 + 3.5

(c) 3.5 +4.7

(d) 3.5 - (-4.7)

(e) 3.5 + (-4.7)

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Answer:

I don't know the answer to this but if you find someone that can answer this and explain please tell me because I'm struggling a lot with this topic as well

In linear equation, 31.25  is the maximum number of copies you can afford to make .

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

                          Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.

Here,

Let the number of copies be x,

According to the question,

0.40x < 12.50

x < 12.50 / 0.40

x <  31.25

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The speed of the wave is √(V² - 1) and the direction of propagation is ∂ψ / ∂z / ∂ψ / ∂t = 1/v.

The function given is; ψ(z,t) = ((z - vt)² + 1) / A

where A is a constant

To show that the function is a solution of the differential wave equation;

Firstly we can differentiate the given function partially to obtain the value of wave equation as shown below;

∂²ψ/∂t² = A(V² - 1)(2z² - 2vzt + v²t² + 1) / A²...1

∂²ψ/∂z² = A(2) / A = 2...2

The wave equation is given by: ∂²u / ∂t² = v² (∂²u / ∂x²)

Comparing equation (1) and (2) with wave equation, we get;

v² = (V² - 1)...3

(∂²ψ / ∂z²) = (∂²ψ / ∂t²) / v² = (A(V² - 1)(2z² - 2vzt + v²t² + 1) / A²) / (V² - 1)...4

The speed of the wave, v = √(V² - 1)...5

From equation 5, we can find the speed of the wave.

The direction of propagation can be obtained by calculating the gradient of the function given:

∂ψ / ∂z = 2(z - vt) (-1)...6∂ψ / ∂t = 2(z - vt) (-v)...7

The direction of propagation is given by the ratio of (6) and (7) as:

∂ψ / ∂z / ∂ψ / ∂t = 1/v...8

From the above discussion, we have;

v = √(V² - 1)...5

∂ψ / ∂z / ∂ψ / ∂t = 1/v...8

Therefore, the speed of the wave is √(V² - 1) and the direction of propagation is ∂ψ / ∂z / ∂ψ / ∂t = 1/v.

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Prediction problems where the variables have numeric values are most accurately defined as regressions.

Regression analysis is a set of statistical processes used in statistical modeling to estimate the relationships between a dependent variable and one or more independent variables.

Researchers can use regression to predict or explain variation in one variable based on another variable. Definitions include: The response variable is the variable that researchers are attempting to explain or predict. It is also known as the dependent variable because it is dependent on another variable.

Understanding linear regression is critical because it provides a scientific method for identifying and forecasting future outcomes. The ability to find and evaluate predictions can help many businesses and individuals by providing benefits such as optimized operations and detailed research materials.

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Answer:

Its definitley square to be precise so that's my answer, but its also a rhombus

Step-by-step explanation:

assuming a is 1, regardless, graph would always be square, which is a rhombus. hope  square is correct :)

When the parameter estimates for a Likert scale question on a scale of 1-5 for preferring unusual desserts is 4.42 to 4.66 with a confidence level of 95%, it means that there is a 95% chance that the true population mean falls between the estimated range.

A Likert scale is a form of survey or questionnaire that gauges people's attitudes or perceptions about a certain topic. It's a rating scale that typically includes a series of items or questions to which the respondents respond. The Likert scale is a five-point scale in which respondents indicate their level of agreement or disagreement with a statement, question, or prompt. The scale ranges from one to five, with one indicating a low level of agreement and five indicating a high level of agreement.

A confidence interval is a range of values that is highly likely to include the true population means of the parameter being measured based on the sample statistic. It is a measure of the precision of the sample estimate of the true population parameter. In this situation, the estimated range of 4.42 to 4.66 implies that there is a 95% chance that the true population means for preferring unusual desserts is within this range.

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Answer:3.92

Step-by-step explanation:

find 1/5 of 9.8kg

=1.96kg

3/5 of pears = 1.96*3=5.88kg

apples= 2/5 so 1.96*2=3.92kg

OR 9.8-5.88=3.92kg

Answer:

3.92kg of Apples

Step-by-step explanation:

The size of Pears weight is 3/5 of 9.8kg...

=3/5 * 9.8

=3 * 9.8/5

=29.4/5

=5.88kg

Thus, the size of the Apples will be 9.8kg - 5.88kg

= 3.92kg.

Thus, the farmer sold 3.92kg of Apples at the farmer's market.

Answer:

m∠ 1 = 165°

m∠ 2 = 15°

Step-by-step explanation:

We Know

∠1 + ∠2 = 180°

Let's solve

5x + (x - 18) = 180

5 + x - 18 = 180

6x - 18 = 180

6x = 198

x = 33

Now we put 33 in for x and solve for ∠1 and ∠2 !

m∠ 1 = 5x°

m∠ 1 = 5(33)

m∠ 1 = 165°

m∠ 2 = (x - 18)

m∠ 2 = 33 - 18

m∠ 2 = 15°

Answer:

m∠1 = 165°

m∠2 = 15°

Step-by-step explanation:

Note that, when the angle measurements are combined, the total measurement is 180°, based on the definition of a straight line.

It is given that m∠1 = 5x°, and m∠2 = (x - 18)°. Set the two angle measurements equal to the total measurement:

\(5x + (x - 18) = 180\)

First, simplify. Combine like terms. Like terms are terms that share the same amount of the same variables:

\((5x + x) - 18 = 180\\(6x) - 18 = 180\)

Next, isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents

Multiplications

Divisions

Additions

Subtractions

~

First, add 18 to both sides of the equation:

\(6x - 18 = 180\\6x - 18 (+18) = 180 (+18)\\6x = 180 + 18\\6x = 198\\\)

Next, divide 6 from both sides of the equation:

\(6x = 198\\\frac{6x}{6} = \frac{198}{6}\\ x = \frac{198}{6} = 33\)

x = 33. Next, plug in 33 for x for both measurements:

\(m\angle1 = 5x\\m\angle1 = 5 * (33)\\m\angle1 = 165\\\\m\angle2 = x - 18\\m\angle2 = (33) - 18\\m\angle2 = 15\)

Check. Both, when combined, should make 180°

165 + 15 = 180

180 = 180 (True)

~

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BEST ANSWER :

\(1 \frac{4}{5} \div \frac{2}{3} - 1 \frac{5}{7} \)

=

\( \frac{7 + 4}{7} \div \frac{2}{3} - 1 \frac{5}{7} \\ \frac{11}{7} \div \frac{2}{3} - 1 \frac{5}{7} \\ \frac{11}{7} \div \frac{2}{3} - \frac{7 + 5}{7} \\ \frac{11}{7} \div \frac{2}{3} - \frac{12}{7} \\ \frac{11}{7} \times \frac{3}{2} - \frac{12}{7} \\ \frac{11 \times 3}{7 \times 2} - \frac{12}{7} \\ \frac{33}{7 \times 2} - \frac{12}{7} \\ \frac{33}{14} - \frac{12}{7} \\ \frac{33}{14} - \frac{12 \times 2}{14} \\ \frac{33}{14} - \frac{24}{14} \\ \frac{33 - 24}{14} \\ \frac{9}{14} \)

The function that could be described is f(x) = 10cos(2πx/3), where the amplitude is 10, the period is 3, and the maximum value is 20.

In a cosine function, the amplitude represents the vertical distance from the midline to the maximum or minimum value. Here, the maximum value is 20, which means the amplitude is half of that, i.e., 10. The period of the function is the distance it takes for one complete cycle, and in this case, it is 3 units.

By using the formula f(x) = A*cos(2πx/P), where A is the amplitude and P is the period, we can determine that the given function matches the described characteristics.

The function f(x) = 10cos(2πx/3) has a maximum value of 20 and a minimum value of 0, and it completes one cycle over the interval of the period, which is 3 units.

In conclusion, the function f(x) = 10cos(2πx/3) satisfies all the given conditions and represents the described function.

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Answer:

C

Step-by-step explanation:

I'd like to remember that the signs are pointing at the direction

Answer:

its c

Step-by-step explanation:

Answer:

i do not know either so please help me because this is not my level

Answer:

8=x

Step-by-step explanation:

can u give me a 5 star plz ty :)

Answer: \(T= 15 G - 50\)

Step-by-step explanation:

As per given,

Total earning = (profit per game) x (Number of games) -(loss in consul)

Let T be the total amount the company will earn from a customer who buys a consul and G games.

Since,  loss in consul = $50

profit per game = $15

Then required equation will be :

\(T= 15 G - 50\)  , it determines T the total amount the company will earn from a customer who buys a consul and G games.

Answer:

What do you need help with?

Answer:

where's the question you need help with??

Answer: The significance is that it is how much you will pay for the total repair which will help you know how much money you will spend.

Step-by-step explanation:

The value of the expression 9 + 3 × 5² - 10 × 6 following the rules of PEMDAS is 24.

9 + 3 × 5² - 10 × 6

Based on the operation of PEMDAS

So,

9 + 3 × 5² - 10 × 6

Solve the exponent

= 9 + 3 × 25 - 10 × 6

Solve the multiplication

= 9 + 75 - 60

Add

= 84 - 60

= 24

Ultimately, 24 is the solution to the given expression.

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The directional derivative of f at the point (0,π/3) in the direction of v is (27√3 - 15)/26.

To find the directional derivative of the function f(x,y) = 3ex sin y at the point (0,π/3) in the direction of the vector v = (-5,12), we need to compute the gradient of f at the point (0,π/3) and then take the dot product of that with the unit vector in the direction of v.

First, we need to find the gradient of f:

∇f(x,y) = <3ex cos y, 3ex sin y>

At the point (0,π/3), this becomes:

∇f(0,π/3) = <3cos(π/3), 3sin(π/3)> = <3/2, 3√3/2>

To get the unit vector in the direction of v, we need to divide v by its magnitude:

|v| = √((-5)^2 + 12^2) = 13

So, the unit vector in the direction of v is:

u = v/|v| = (-5/13, 12/13)

Finally, we can compute the directional derivative:

Duf(0,π/3) = ∇f(0,π/3) · u = <3/2, 3√3/2> · (-5/13, 12/13)

= (-15/26)(3/2) + (36/26)(3√3/2)

= (27√3 - 15)/26

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Answer

20.5

Step-by-step explanation:

You multiply 5.4 and 3 to get 16.2. Then you add 16.2 and 4.3 to get 20.5.

Given :

The original price of the candy = $10

Answer: the answer is A 0.81

Answer:

25

Step-by-step explanation:

Note x^2y + xy^2 = xy(x+y)

We know xy = 5 and x+y = 5, so

5*5=25

Based on the information in the graph, we can infer that the area of the figure is 57 square feet (option C).

To calculate the area of the figure we must calculate the area of two segments of the figure and then add them. First we can calculate the area of the area on the left that is 3 * 4.

Then we must find the area of the area on the right which is 7.5 ft * 6ft.

Finally we must add both areas to find the total area:

Note: This question is incomplete. Here is the complete information:

Image attached.

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Answer:

I think its $26.80

Step-by-step explanation:

The length of the straw is √101 inches

The rectangular box has:

length (l) = 6 inches

breadth (b) = 4 inches

height (h) = 7 inches

The straw is said to fit into the box diagonally from the bottom.

So, the length of the straw is calculated as:

S= √(l² + b² + h²)

S = √(6² + 4² + 7²)

S = √101 inches

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The centroid of the region bounded by the curves y = 2 sin(3x), y = 2 cos(3x), x = 0, and x = 12 is approximately (x, y) = (6, 0).

To find the centroid of the region bounded by the given curves, we need to determine the x-coordinate (x-bar) and y-coordinate (y-bar) of the centroid. The x-coordinate of the centroid is given by the formula:

x-bar = (1/A) * ∫[a,b] x * f(x) dx,

where A represents the area of the region and f(x) is the difference between the upper and lower curves.

Similarly, the y-coordinate of the centroid is given by:

y-bar = (1/A) * ∫[a,b] 0.5 * [f(x)]^2 dx,

where 0.5 * [f(x)]^2 represents the squared difference between the upper and lower curves.

Integrating these formulas over the given interval [0, 12] and calculating the areas, we find that the x-coordinate (x-bar) of the centroid is equal to 6, while the y-coordinate (y-bar) evaluates to 0.

Therefore, the centroid of the region is approximately located at (x, y) = (6, 0).

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The function f(x)=√x with f:R→R is injective and surjective but not bijective.

Injective (or one-to-one): f(x) is injective, which means that if f(x1) = f(x2), then x1 = x2. In other words, if the square root of x1 is equal to the square root of x2, then x1 and x2 are equal.

Surjective (or onto): f(x) is surjective, which means that for every y in the codomain (R), there exists an x in the domain (R) such that f(x) = y. In other words, the square root of any real number can always be expressed as a real number.

Bijective: f(x) is not bijective. The square root function is not bijective because it is not defined for negative values of x.

Function: A function f is a function if for every x in the domain of f, there is exactly one y in the codomain of f such that f(x) = y. In other words, each x in the domain is mapped to exactly one y in the codomain.

In the case of f(x) = √x, it is a function. For every x in the domain of f, which is [0,∞), there is exactly one y in the codomain of f, which is [0,∞), such that f(x) = y.

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