Help me please asap

The requried, system of equations is y = 2x + 10 and y = 4.50x.

Let's use the variables x and y to represent the number of movies rented and the total cost, respectively. Then, the two plans can be represented by the following equations:

For Netflix members:

y = 2x + 10

For non-members:

y = 4.50x

In the first equation, the $10 represents the flat fee that is charged regardless of how many movies are rented, and the $2x represents the additional cost based on the number of movies rented.

In the second equation, the $4.50x represents the cost per movie for non-members.

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The circumference of the circle-shaped garden is 157 meters.

The gardener will need 157 meters of fencing to outline the garden.

We have,

The circumference of a circle is given by the formula C = πd, where d is the diameter.

Using this formula,

C = πd

C = 3.14 × 50

C = 157 meters

Therefore,

The circumference of the circle is 157 meters.

The gardener will need 157 meters of fencing to outline the garden.

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The number of possible outcomes is 10 times with five heads and no two heads adjacent to each other is 6.

To determine the number of possible outcomes of tossing a coin 10 times that contain five heads with no two heads adjacent to each other, we can follow these steps:

1. Since there are 10 tosses, we need to place 5 heads (H) and 5 tails (T) in a sequence.
2. To ensure no two heads are adjacent, we must place each head in between tails, which creates 6 possible positions for the heads (i.e., _T_T_T_T_T_).
3. Now, we need to distribute 5 heads into these 6 positions. This is a combination problem, so we'll use the formula for combinations:

C(n, k) = n! / (k! * (n-k)!),

where n = the number of available positions, k = the number of heads, and ! denotes factorial.
4. Applying the formula:

C(6, 5) = 6! / (5! * (6-5)!)

= 6! / (5! * 1!)

= 720 / (120 * 1)

= 6.

So, the number of possible outcomes of tossing a coin 10 times with five heads and no two heads adjacent to each other is 6.

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The area of the composite figure is

The area is calculated by dividing the figure into simpler shapes.

The simple shapes used here include

Area of rectangle = length x width

= 12 x 7

= 84 square ft

Area of triangle = 1/2 base x height

= 1/2 x 12 x 6

= 36 square ft

Total area

= 84 square ft + 36 square ft

=  120 square ft

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The sum of all the three angles of a triangle is 180°.

x + x + 26.35° = 180°

2x = 180° - 26.35°

x = 76.825°.

Therefore, ∠P will be equal to 76.825°.

Answer:

∠P = 76.825°

Step-by-step explanation:

If angles P and Q are congruent, then triangle PQR is an isosceles triangle where ∠P and ∠Q are the base angles and ∠R is the apex angle.

The interior angles of a triangle sum to 180°. Therefore:

⇒ ∠P + ∠Q + ∠R = 180°

As ∠P = ∠Q and ∠R = 26.35°, then:

⇒ ∠P + ∠P + 26.35° = 180°

⇒ 2∠P + 26.35° = 180°

⇒ 2∠P + 26.35° - 26.35° = 180° - 26.35°

⇒ 2∠P = 153.65°

⇒ 2∠P ÷ 2 = 153.65° ÷ 2

⇒ ∠P = 76.825°

Therefore, the measure of angle P is 76.825°.

Answer:

Step-by-step explanation:

Yes, there is a rigid transformation that can map triangle ΔABC to triangle ΔDEC.

A rigid transformation is a transformation that preserves the size, shape, and orientation of a figure. It includes translations, rotations, and reflections. In order for triangle ΔABC to be mapped to triangle ΔDEC, the two triangles must have the same size, shape, and orientation. This can be achieved through a combination of translation, rotation, and/or reflection. For example, if triangle ΔABC is translated by a certain vector and then rotated or reflected, it can be mapped onto triangle ΔDEC.

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Answer:

since 41° is vertically opposite to 2x+1 they are equal

so 2x+1=40 , 1 turns negative crossing the equals sign so 2x=40 so x=20

The retailer only purchases the product when a customer places an order, which reduces the financial risks associated with holding inventory.

Drop shipping is a supply chain management method in which a retailer does not keep goods in stock but instead transfers orders and shipment details to a manufacturer, wholesaler, or another retailer, who then ships the goods directly to the customer.

In drop shipping, the retailer acts as an intermediary between the customer and the supplier, without actually holding any inventory. The retailer displays the products on their online store, and when an order is placed, the retailer forwards the order details and shipment information to the supplier. The supplier then ships the product directly to the customer.

To effectively implement drop shipping, the retailer needs to have a good relationship with the supplier who is responsible for shipping the product. The supplier must have an integrated e-procurement and e-commerce platform to receive orders and track inventory. The supplier must also have local warehousing or distribution centers close to the customer's location to ensure quick delivery and minimize shipping costs.

Having good relationships with transportation companies is also critical for the success of drop shipping. Retailers must have reliable shipping partners that can handle the transportation of goods from the supplier to the customer.

Overall, drop shipping allows retailers to offer a wider range of products to customers without the need for inventory management or warehousing. The retailer only purchases the product when a customer places an order, which reduces the financial risks associated with holding inventory.

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Answer:

To calculate the value of the business in 3 years, we use the formula for compound interest:

A = P * (1 + r/100)^(t)

where A is the final amount, P is the initial amount, r is the annual interest rate as a decimal,  t is the number of years.

A = $175,000 * (1 + 0.13/1)^(1*3) = $268,418.60

Therefore, the value of the business in 3 years is $268,418.60. Option C is the correct answer.

The probability that either Paula or Quentin is last in line when n kids randomly line up for recess can be calculated using the concept of permutations and combinations.

To calculate the probability, we can consider two cases: (1) Paula is last in line, and (2) Quentin is last in line.

Case 1: Paula is last in line

In this case, the probability that Paula is last in line is 1/n, since there is only one way for her to be at the end of the line. The other (n-1) kids can be arranged in any order, so there are (n-1)! possible arrangements. Therefore, the probability that Paula is last in line is:

P(Paula is last) = 1/n * (n-1)! = (n-1)! / n!

Case 2: Quentin is last in line

Similarly, the probability that Quentin is last in line is also 1/n. The other (n-1) kids can be arranged in any order, so there are (n-1)! possible arrangements. Therefore, the probability that Quentin is last in line is:

P(Quentin is last) = 1/n * (n-1)! = (n-1)! / n!

To calculate the probability that either Paula or Quentin is last in line, we can add the probabilities of the two cases:

P(Paula or Quentin is last) = P(Paula is last) + P(Quentin is last)
= (n-1)! / n! + (n-1)! / n!
= 2(n-1)! / n!

Therefore, the probability that either Paula or Quentin is last in line when n kids randomly line up for recess is 2(n-1)! / n!.

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Answer: The data is skewed because most text messages are replied to and cause the number to be at least twice what it was originally.

Step-by-step explanation: The data is left-skewed.

The maximum occurs at x ≈ 2.2143, the inflection point occurs at x = π, and there are no local minima in the interval 0 ≤ x ≤ 2π.

To find the maximum, minimum, and inflection points for the function y = 5 sin x + 3x, we need to take the derivative of the function and set it equal to zero to find the critical points.

y = 5 sin x + 3x

y' = 5 cos x + 3

Setting y' equal to zero, we get:

5 cos x + 3 = 0

cos x = -3/5

x = arccos(-3/5) ≈ 2.2143

This is the only critical point in the interval 0 ≤ x ≤ 2π.

To determine if this critical point is a maximum or minimum, we can use the second derivative test. Taking the second derivative of y, we get:

y'' = -5 sin x

At x = arccos(-3/5), y'' = -5 sin(arccos(-3/5)) ≈ -4.4721

Since y'' is negative at x = arccos(-3/5), this critical point is a local maximum.

To find the inflection points, we need to find where the concavity changes. This occurs when y'' = 0 or is undefined. Since y'' is never equal to zero, the only possibility is that y'' is undefined. This occurs when sin x = 0, which happens at x = kπ for any integer k. However, we are only interested in the interval 0 ≤ x ≤ 2π, so we only need to check the values k = 0, 1, and 2.

At x = 0 and x = 2π, y'' = -5 sin(0) = 0, which means that the concavity does not change at these points.

At x = π, y'' = -5 sin(π) = 0, which means that the concavity changes at this point. Therefore, x = π is an inflection point.

In summary, the maximum occurs at x ≈ 2.2143, the inflection point occurs at x = π, and there are no local minima in the interval 0 ≤ x ≤ 2π.

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Answer:

11

Step-by-step explanation:

Volume of right cone = (1/3) · π · r² · h

V = 968π

h = 24 units

Let's solve

968π = (1/3) · π · r² · 24

2904π =  π · r² · 24

121π = π · r²

121 = r²

r = 11

So, the radius is 11 units

Answer:

option c

Step-by-step explanation:

as it is between 80 and closely 100 adding both the intervals gives 17

The calculated test statistic is 0.571. P 0.5, the null hypothesis.

A one-tailed z-test can be used to verify the assertion that there is a higher than 50% chance of the home side winning.

p > 0.5, where p is the percentage of football games won by the home team in the population.

The test statistic is calculated as:

(p - p) / (p(1-p) / n) = z

If n = 53 is the sample size, p = 0.5 is the hypothesized population proportion, and p is the sample fraction of football games won by the home team.

The percentage of the sample is p = 27/53 = 0.5094.

The calculated test statistic is:

z = (0.5094 - 0.5) / √(0.5(1-0.5) / 53) = 0.571

We determine the p-value for this test to be 0.2826 using a calculator or a table of the normal distribution as a reference.

We are unable to reject the null hypothesis since the p-value is higher than the significance level of 0.05. Therefore, at the 5% level of significance, we lack sufficient data to draw the conclusion that there is a better than 50% chance of the home team winning.

The calculated test statistic is:

z = (0.5094 - 0.5) / √(0.5(1-0.5) / 53)

= 0.571

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Among the given numbers, -0.52 is closer to -1/2, 0.35 is closer to 0, and 0.25 is closer to both 0 and 1/2.

To determine which number is closer to -1/2, 0, and 1/2, we need to find the absolute value of the difference between each number and the three given values, and then compare the results.

- For 0.35: The absolute value of the difference between 0.35 and -1/2 is approximately 0.85, the absolute value of the difference between 0.35 and 0 is 0.35, and the absolute value of the difference between 0.35 and 1/2 is approximately 0.15. Therefore, 0.35 is closer to 0 than to -1/2 or 1/2.

- For -3/5: The absolute value of the difference between -3/5 and -1/2 is approximately 0.05, the absolute value of the difference between -3/5 and 0 is approximately 0.6, and the absolute value of the difference between -3/5 and 1/2 is approximately 0.95. Therefore, -3/5 is closer to 0 than to -1/2 or 1/2.

- For -0.52: The absolute value of the difference between -0.52 and -1/2 is approximately 0.02, the absolute value of the difference between -0.52 and 0 is approximately 0.52, and the absolute value of the difference between -0.52 and 1/2 is approximately 1.02. Therefore, -0.52 is closer to -1/2 than to 0 or 1/2.

- For 0.25: The absolute value of the difference between 0.25 and -1/2 is approximately 0.75, the absolute value of the difference between 0.25 and 0 is 0.25, and the absolute value of the difference between 0.25 and 1/2 is approximately 0.25. Therefore, 0.25 is closer to 0 and 1/2 than to -1/2.

- For 3/5: The absolute value of the difference between 3/5 and -1/2 is approximately 1.15, the absolute value of the difference between 3/5 and 0 is approximately 0.6, and the absolute value of the difference between 3/5 and 1/2 is approximately 0.05. Therefore, 3/5 is closer to 0 than to -1/2 or 1/2.

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The radius of the region is 11.55 mile.

We have,

Population = 175,000

So, population density

= 175,000 / 1318

= 132.77

and, the radius using from the population density

Radius = √area / (22/7)

= √1318 x 7/22

= 11.55 mile

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To factor 36a - 16, we can begin by finding the GCF to get 4(9a - 4). Another equivalent expression is 2(18a - 8) using different factorizations of 4 and 8. So, the correct answer is A) and C).

To factor 36a - 16, we can begin by finding the greatest common factor (GCF) of the two terms, which is 4

36a - 16 = 4(9a - 4)

Next, we can expand the parentheses in the expression 4(9a - 4) to get:

36a - 16 = 4(9a - 4) = 36a - 16

So, the factored form of 36a - 16 is

36a - 16 = 4(9a - 4)

To find another equivalent expression, we can use a different factorization of 4, such as 2 x 2. Then

36a - 16 = 2 x 2 x 9a - 2 x 2 x 4

= 2(2 x 9a - 2 x 4)

= 2(18a - 8)

So, the correct option is A) and C).

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If a circle has a radius of 2 meters and a central angle EOG that measures 125° then  length of the intercepted arc EG is 4.4 m

The circumference of the circle is calculated through the equation,

C = 2πr

Substituting the known values,

C = 2π(2 m) = 4π m

The measure of the arc is the circumference times the ratio of the given central angle to the total revolution,

A = (4π m)(125°/360°)

The measure of the arc is 4.36 m or 4.4 m.

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A circle has a radius of 2 meters and a central angle EOG that measures 125°. What is the length of the intercepted arc EG? Use 3.14 for pi and round your answer to the nearest tenth.

A.0.7 m

B.1.4 m

C.2.2 m

D.4.4 m

The scale of the image , at its widest point, can be found to be 1 cm : 1. 77 feet .

When measured with a ruler, the widest point on the Coahuilaceratops skull in the center of the image would be 3. 5 cm .

Yet, the widest point of the Coahuilaceratops skull is measured to be 6. 2 feet.

The scale is thefore :
3. 5 cm : 6. 2 feet

Simplified, we have :

3. 5 cm / 3. 5  : 6. 2 feet / 3. 5

1 cm : 1. 77 ft

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Juan is 13 years old.

Andrés is 34 years old.

We have,

Let's assume that Juan's age is x.

Then, we know that Andrés' age is x + 21.

We also know that the sum of their ages is 47:

x + (x + 21) = 47

Simplifying the equation:

2x + 21 = 47

Subtracting 21 from both sides:

2x = 26

Dividing by 2:

x = 13

So Juan is 13 years old.

To find Andrés' age, we can substitute Juan's age into the equation we used earlier:

x + 21 = 13 + 21 = 34

Thus,

Juan is 13 years old.

Andrés is 34 years old.

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The complete question.

Juan is 21 years younger than Andrés and we know that the sum of their ages is 47. How old is each of them?

There is weak evidence supporting the claim that the true mean is below the desired specification of 57 Pa.

Based on the given information, the p-value obtained from the hypothesis test is 0.095. The p-value represents the probability of observing a test statistic as extreme or more extreme than the one obtained, assuming the null hypothesis (i.e., the true mean is not below 57 Pa) is true. Since the p-value is greater than the commonly used significance level of 0.05, we fail to reject the null hypothesis. This means that we do not have enough evidence to claim that the true mean is significantly below 57 Pa.

Therefore, the conclusion is that there is weak evidence supporting the claim that the true mean is below the desired specification of 57 Pa.

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The inequality is x > 9.5 and the numbers greater than 9.5

Given data ,

Let the inequality equation be represented as A

Now , the value of A is

55 < 6x - 2

Adding 2 on both sides , we get

6x > 57

Divide by 6 on both sides , we get

x > 9.5

So , x satisfies all numbers greater than 9.5

Hence , the inequality is x > 9.5

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The vertical angles in the diagram are;

a. <RUP and <SUQ

b. <SUP and <RUQ

Two angles are said to be vertical angles if they are opposite to each other and are formed by two lines intersecting at a point. One common property of vertical angles is that they have equal measures.

The intersection of the two lines produce a series of angles which have some similar or common properties.

Now considering the attachment in the question, it can be deduced that;

a. <RUP is vertical to <SUQ; as such they have equal measure.

b. <SUP is vertical to <RUQ; so they have equal measure.

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Yes, you can use an objective function for tabulated data (x and y) to find the minimum value of y. Here's an example:

Step 1: Obtain the tabulated data. Let's consider the following data points:

x: 1, 2, 3, 4, 5
y: 3, 1, 4, 2, 5

Step 2: Define an objective function, such as the least squares method, which minimizes the difference between the observed values and the values predicted by a model. In this case, let's use a simple linear model: y = mx + b, where m is the slope and b is the y-intercept.

Step 3: Compute the error between the observed values and the predicted values using the model for each data point, and then square and sum these errors. The objective function will be:

E(m, b) = Σ[(y_observed - (mx + b))^2]

Step 4: Use an optimization algorithm, like gradient descent, to find the optimal values of m and b that minimize the objective function E(m, b).

Step 5: Once you have found the optimal m and b, you can use the linear model to predict y values for any given x value. To find the minimum value of y in the observed data, simply identify the smallest y value in the dataset.

In this example, the minimum value of y is 1, which corresponds to x = 2.

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The measure of the central angle m ∠JIK is 160°.

Given that the circle I, in which IJ is the radius of 9 units, the area of shaded sector = 36π, we need to find the m ∠JIK, the central angle.

Area of the sector = central angle / 360° × π × radius²

∴ 36π = m ∠JIK / 360° × π × 9²

m ∠JIK = 360° × 4 / 9

m ∠JIK = 160°

Hence, the measure of the central angle m ∠JIK is 160°.

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The expression is equivalent to 4 − 3(x + 2) + 2(3 − 2x) will be 4 − 7x. Then the correct option is A.

Given that:

Expression, 4 − 3(x + 2) + 2(3 − 2x)

The equivalent is the expression that is in different forms but is equal to the same value.

Simplify the expression, then we have

4 − 3(x + 2) + 2(3 − 2x)

4 − 3x − 6 + 6 − 4x

4 − 7x

Thus, the correct option is A.

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The missing options are given below.

4 − 7x

4 + 7x

7 − 4x

7 + 4x

Answer:

[tex]0.1212...=\dfrac{4}{33}[/tex]

Step-by-step explanation:

A repeating decimal is a decimal number with a digit (or group of digits) that repeats forever.

There are three ways to show a repeating decimal:

0.1212... is a repeating decimal as there are two duplicates of the repeating block of digits "12" followed by an ellipsis.

To express a repeating decimal as a rational number, begin by assigning the decimal to a variable:

[tex]x=0.1212...=0.\overline{12}[/tex]

Multiply both sides by 100:

[tex]\implies x \cdot 100=0.\overline{12}\cdot 100[/tex]

[tex]\implies 100x=12.\overline{12}[/tex]

Subtract the first equation from the second to eliminate the part after the decimal:

[tex]\begin{array}{crcr}& 100x & = & 12.\overline{12}\\- & x & = & 0.\overline{12}\\\cline{2-4} & 99x & = & 12\phantom{.12}\\\end{array}[/tex]

Divide both sides of the equation by 99:

[tex]\implies \dfrac{99x}{99}=\dfrac{12}{99}[/tex]

[tex]\implies x=\dfrac{12}{99}[/tex]

Reduce the fraction to is simplest form by dividing the numerator and denominator by 3:

[tex]\implies x=\dfrac{12 \div 3}{99 \div 3}=\dfrac{4}{33}[/tex]

[tex]\textsf{Therefore, $0.1212...$ expressed in the form of a rational number is\;$\dfrac{4}{33}$}.[/tex]

The Independent Variables for a 2x2, factorial, between subjects ANOVA are the two IVs, each of which has two levels. The conditions (levels) for each IV are completely related. There are four cells in total, and each participant has a score in each of the four cells.

In a 2x2 factorial, between-subjects ANOVA, there are two Independent Variables (IVs), each with two levels. The IVs are factors that the researcher manipulates to examine their effect on the Dependent Variable (DV). The four cells represent the unique combinations of the two IVs, and each participant is assigned to only one cell, where they receive a score on the DV. The conditions (levels) of each IV are completely related, meaning they are fully crossed with each other, resulting in a balanced design.

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