To the nearest tenth of a foot, what is the thickness, T, of the cantilever at x=6 feet?

The magnitude of the addition of three vectors is equal to 34.405.

Vectors are numbers described by magnitude (r) and direction (θ), in degrees. Vectors in rectangular form are described by expressions of the form:

v = r · cos θ + r · sin θ

Where:

The magnitude of the addition of a given number of vectors can be found by means of Pythagorean theorem:

R = √[(∑ r · cos θ)² + (∑ r · sin θ)²]

R = √[(50 · cos 35° + 65 · cos 180° + 10 · cos 245°)² + (50 · sin 35° + 65 · sin 180° + 10 · sin 245°)²]

R = √[(- 28.265)² + 19.616²]

R = 34.405

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The total amount of lava on the ground at t = 2 seconds is 8/3 cubic kilometers.

Finding the the integration of L(t) with respect to t

∫[1,2] L(t) dt = ∫[1,2] (t^2 + 1/6) dt

= [t^3/3 + t/6] from 1 to 2

= [(2^3/3 + 2/6) - (1^3/3 + 1/6)]

= [8/3 + 1/3] - [1/3 + 1/6]

= 8/3

So the total amount of lava on the ground at t = 2 seconds is 8/3 cubic kilometers.

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For a large enough n (i.e., N≥n), any subset of [1, n] containing at least n/c elements must have three equally spaced numbers.

This is a classic problem in combinatorics known as the van der Waerden's theorem. The theorem states that for any positive integers k and c, there exists a positive integer N such that any subset of {1, 2, ..., N} with cardinality at least N/k contains an arithmetic progression of length k.

In the specific case you mentioned, we have k=3 and the set S has at least n/c elements. So, according to the van der Waerden's theorem, there exists a positive integer N such that any subset of {1, 2, ..., N} with cardinality at least N/3 contains a 3-term arithmetic progression.

Therefore, for a large enough n (i.e., N≥n), any subset of [1, n] containing at least n/c elements must have three equally spaced numbers.

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The most appropriate option in this context would be "stack".

"Stack" is commonly used to refer to a collection of papers or documents, such as a pile of notes. "Wad" typically refers to a small, crumpled mass of paper or money, while "bunch" suggests a more haphazard or unorganized grouping. "Album" typically refers to a book or binder containing a collection of photographs or other images, rather than notes.

Answer:

c. stack is the correct answer

a) The 90% confidence interval for the population mean age of used cars for sale in Orange County is (6.655, 9.145) years., b)The interpretation of the 90% confidence interval is that we are 90% confident that the true population mean age of used cars for sale in Orange County falls within the range of 6.634 to 9.166 years.

(a) To find the 90% confidence interval for the population mean age of used cars for sale in Orange County, we can use the formula:

CI = x ± z*(σ/√n)

where CI is the confidence interval, x is the sample mean age (7.9 years), σ is the sample standard deviation (7.7 years), n is the sample size (100), and z is the critical value for a 90% confidence level.

Using a z-table or calculator, we can find that the z-value for a 90% confidence level is 1.645. Substituting these values into the formula, we get:

CI = 7.9 ± 1.645*(7.7/√100)

Simplifying, we get:

CI = 7.9 ± 1.245

Therefore, the 90% confidence interval for the population mean age of used cars for sale in Orange County is (6.655, 9.145) years.

(b) The interpretation of the confidence interval is that we are 90% confident that the true population mean age of used cars for sale in Orange County falls between 6.655 and 9.145 years. This means that if we were to take multiple samples of 100 used cars for sale in Orange County and calculate their confidence intervals, about 90% of those intervals would contain the true population mean age.

(a) To find the 90% confidence interval for the population mean age of used cars for sale in Orange County, we will use the following formula:

CI = x ± (Z * (s / √n))

Where CI is the confidence interval, x is the sample mean (7.9 years), Z is the critical value corresponding to the 90% confidence level (1.645), s is the sample standard deviation (7.7 years), and n is the sample size (100 used cars).

CI = 7.9 ± (1.645 * (7.7 / √100))
CI = 7.9 ± (1.645 * (7.7 / 10))
CI = 7.9 ± (1.645 * 0.77)
CI = 7.9 ± 1.266

The 90% confidence interval for the population mean age of used cars for sale in Orange County is (6.634, 9.166) years.

(b) The interpretation of the 90% confidence interval is that we are 90% confident that the true population mean age of used cars for sale in Orange County falls within the range of 6.634 to 9.166 years.

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The values: y - 2 = 4 * (x - 5) Now, set x = 0 and solve for y: y - 2 = 4 * (0 - 5) y - 2 = -20 y = -18 So, the point where the line crosses the vertical axis is (0, -18).

To find the point where the line through (5, 2) with slope 4 crosses the vertical axis, we first need to use the given formula to find the equation of the line.

Using the point-slope form of a line, we have:

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is the given point (5, 2).

Plugging in m = 4 and (x1, y1) = (5, 2), we get:

y - 2 = 4(x - 5)

Simplifying, we get:

y = 4x - 18

To find the point where this line crosses the vertical axis, we set x = 0 and solve for y:

y = 4(0) - 18

y = -18

So the point where the line crosses the vertical axis is (0, -18).

Therefore, the answer is (x, y) = (0, -18).

To summarize, we used the given formula to calculate the equation of the line through (5, 2) with slope 4, and then found the point where this line crosses the vertical axis by setting x = 0 and solving for y.

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By using the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region about the y-axis, given the functions y = 49 - x^2 and y = 0.The volume of the solid generated by revolving the plane region about the y-axis is 0.

To find the volume of the solid,

we'll use the shell method formula:
V = 2 * pi * ∫[a, b] x * h(x) dx

In this case, a = -7, b = 7 (because x = ±√(49 - y)), and h(x) = 49 - x^2. So the integral becomes:
V = 2 * pi * ∫[-7, 7] x * (49 - x^2) dx

Now, let's evaluate the integral:

1. Expand the integrand:

x * (49 - x^2) = 49x - x^3
2. Find the antiderivative:

∫(49x - x^3) dx = 49x^2/2 - x^4/4 + C

3. Plug in the limits of integration and subtract:

  [(49(7)^2)/2 - (7)^4/4] - [(49(-7)^2)/2 - (-7)^4/4] = [49(49) - 2401/4] - [49(49) - 2401/4] = 0

4. Multiply by the constant

(2 * pi): 2 * pi * 0 = 0

The volume of the solid generated by revolving the plane region about the y-axis is 0.

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The calculated measure of the angle 2 is m∠2 = -26 - 7x

From the question, we have the following parameters that can be used in our computation:

m∠1 = (2x + 109) and m∠3 = (5x+97)

Assuming the angles are angles in a triangle, then we have

m∠1 + m∠2 + m∠3 = 180

Substitute the known values in the above equation, so, we have the following representation

2x + 109 + 5x + 97 + m∠2 = 180

Evaluate

m∠2 = -26 - 7x

Hence, the measure of the angle is m∠2 = -26 - 7x

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If you want to know the probability that two cats selected are both black: P(both black) = 0.24 * 0.24 = 0.0576 or 5.76%
If you want to know the probability that one cat is black and the other is orange: P(black and orange) = 0.24 * 0.16 = 0.0384 or 3.84%

To find the probability of selecting two cats with specific fur colors, we can use the formula for calculating the probability of independent events:

P(A and B) = P(A) x P(B)

where P(A) is the probability of event A and P(B) is the probability of event B.

a) Let's find the probability of selecting two black cats. The probability of selecting the first black cat is 24%, or 0.24. The probability of selecting a second black cat from the remaining cats is also 24%, but since we are assuming random selection, the probability of the two events happening together is the product of their probabilities:

P(2 black cats) = P(black cat 1) x P(black cat 2) = 0.24 x 0.24 = 0.0576 or 5.76%

Therefore, the probability of selecting two black cats is 5.76%.

b) Let's find the probability of selecting one black cat and one orange cat. The probability of selecting a black cat first is 24%, or 0.24. The probability of selecting an orange cat second is 16%, or 0.16. Since there are two ways this can happen (black-orange or orange-black), we need to add the probabilities of both events:

P(1 black and 1 orange) = P(black cat 1) x P(orange cat 2) + P(orange cat 1) x P(black cat 2)
= 0.24 x 0.16 + 0.16 x 0.24 = 0.0768 or 7.68%

Therefore, the probability of selecting one black cat and one orange cat is 7.68%.

Assuming the pet shop's data is correct, the probability of selecting two cats with specific colors can be calculated as follows:

a) If you want to know the probability that two cats selected are both black:
P(both black) = 0.24 * 0.24 = 0.0576 or 5.76%

If you want to know the probability that one cat is black and the other is orange:
P(black and orange) = 0.24 * 0.16 = 0.0384 or 3.84%

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A supermarket sells cornflakes for $3 the selling price the supermarket pay for each box is $2.

The markup is the percentage added to the cost price to determine the selling price. We can use the formula:

selling price = cost price + markup

We know that the selling price of the cornflakes is $3.60 per box and the markup is 80%, so we can write:

3.60 = cost price + 0.80(cost price)

Simplifying this equation, we get:

3.60 = 1.80(cost price)

Dividing both sides by 1.80, we get:

cost price = 2

Therefore, the supermarket paid $2 for each box of cornflakes.

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For an F-test with three groups, the degrees of freedom for the numerator would be 2 (number of groups - 1), and the degrees of freedom for the denominator would be 27 (total number of participants - number of groups). In an F-test, the degrees of freedom for the numerator and denominator are determined by the number of groups and the total number of participants.

Degrees of freedom for the numerator (between-groups):
This is calculated by subtracting 1 from the number of groups.
In this case, you have 3 groups, so the numerator degrees of freedom = 3 - 1 = 2.

Degrees of freedom for the denominator (within-groups):
This is calculated by subtracting the number of groups from the total number of participants.
In this case, you have 3 groups with 10 participants each, so there are a total of 3 x 10 = 30 participants. The denominator degrees of freedom = 30 - 3 = 27.

So, for this F-test, there are 2 degrees of freedom for the numerator and 27 degrees of freedom for the denominator.

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The probability of getting an even number when rolling a six-sided number cube is 1/2 or 50%, the probability of getting an even number is the number of ways to roll an even number (3) divided by the total number of possible outcomes (6), which is 3/6 or simplified to 1/2. This means that if you roll the cube multiple times, you can expect to get an even number about half of the time.

The probability of getting an even number when rolling a six-sided number cube is 1/2 or 50%. This is because there are three even numbers (2, 4, 6) and three odd numbers (1, 3, 5) on the cube. Each number has an equal chance of being rolled, so the probability of rolling an even number is the same as rolling an odd number. Therefore, the probability of getting an even number is the number of ways to roll an even number (3) divided by the total number of possible outcomes (6), which is 3/6 or simplified to 1/2. This means that if you roll the cube multiple times, you can expect to get an even number about half of the time.

The probability of getting an even number when rolling a six-sided number cube can be determined by examining the possible outcomes. A standard six-sided cube has numbers ranging from 1 to 6. Among these, the even numbers are 2, 4, and 6. To find the probability, you can divide the number of successful outcomes (rolling an even number) by the total number of possible outcomes (rolling any number from 1 to 6).

In this case, there are 3 successful outcomes (2, 4, and 6) and 6 total possible outcomes (1, 2, 3, 4, 5, and 6). So, the probability of getting an even number is:

Probability = (Number of successful outcomes) / (Total number of possible outcomes) = 3/6

Upon simplification, you'll find the probability is:

Probability = 1/2 or 50%

Therefore, when rolling a six-sided number cube, the probability of getting an even number is 1/2 or 50%.

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The equation of the circle with center (8,3) and radius 4 is (x - 8)² + (y - 3)² = 16.

A circle is a two-dimensional shape consisting of all the points in a plane that are equidistant from a given point called the center.

The distance between any point on the circle and the center is called the radius of the circle. The circumference of a circle is the distance around its outer edge, and the diameter is the distance across the circle through its center.

The equation of a circle with center (h,k) and radius r is given by:

(x - h)² + (y - k)² = r²

Using the given values, we can substitute h = 8, k = 3, and r = 4 into the equation:

(x - 8)² + (y - 3)² = 4²

Simplifying and expanding, we get:

(x - 8)² + (y - 3)² = 16

Therefore, the equation of the circle with center (8,3) and radius 4 is (x - 8)² + (y - 3)² = 16.

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The total amount the mechanic will need in retirement savings to meet their retirement income goal is $880,000.

Option A.

The total amount the mechanic will need in retirement savings to meet their retirement income goal is calculated as follows;

80% of  $44,000 = ?

= 0.8 x  $44,000

= $35,200

The amount needed to generate $35,200 annually at a 4% withdrawal rate is calculated as follows;

Let the amount = x

0.04x = $35,200

x = $35,200/0.04

x = $880,000

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Answer: x-2y

Step-by-step explanation:

i think the answer is x-2y

Answer: 1024!

Step-by-step explanation:

There are 362,880 ways to line up the ten people if the groom must be to the immediate left of the bride in the photo. To calculate this, treat the groom and bride as a single unit, so you have 9 units to arrange (8 individuals + 1 bride-groom pair). There are 9! (9 factorial) ways to arrange these units, which is 362,880.

If the groom must be to the immediate left of the bride in the photo, then we can think of them as a single entity that must always appear together in the lineup. Therefore, we only need to consider the arrangements of the remaining 8 people. There are 8! (8 factorial) ways to arrange 8 people. Thus, there are 8! ways to line up the ten people if the groom must be to the immediate left of the bride in the photo.

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The theory of rational expectations suggests that people will form expectations about future economic conditions based on all available information, including past experiences and government policies.

This means that discretionary monetary and fiscal policy may work in the short run, but not in the long run, as people will adjust their behavior to take into account the expected effects of policy changes. However, it is also possible that new information may change people's expectations and allow them to correctly anticipate policy effects. Overall, the theory of rational expectations suggests that economic policies should be designed with a long-term perspective in mind, as short-term changes may not have the intended effects.

The theory of rational expectations suggests that information may change people's expectations and allow them to correctly anticipate policy effects (Option 3). This implies that individuals use all available information to make predictions about future economic policies and adjust their behavior accordingly, which can affect the overall effectiveness of discretionary monetary and fiscal policies.

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Answer:

  B. 0, 1, 2, 3

Step-by-step explanation:

You want to know the numbers from 0–9 that could be used to represent success if the probability of success is 40%.

To model a 40% success rate, we want 40% of the possible outcomes to represent success. There are 10 numbers in the range 0–9, so we need to have 40%×10 = 4 of the numbers represent success.

A suitable choice for 4 of the numbers is ...

  0, 1, 2, 3 . . . . . choice B

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The equivalent expression of expression  [tex]\frac{\sqrt[5]{a^4} }{\sqrt[3]{a^2} }[/tex] is [tex]a^\frac{2}{15}[/tex]

The given expression is [tex]\frac{\sqrt[5]{a^4} }{\sqrt[3]{a^2} }[/tex]

This expression can be written as [tex]\frac{a^\frac{4}{5} }{a^\frac{2}{3} }[/tex]

From the property [tex]\frac{a^m}{a^n}=a^m^-^n[/tex]

So [tex]a^\frac{4}{5} ^-^\frac{2}{3}[/tex]

Take the LCM of fractions which is 15

[tex]a^\frac{12-10}{15}[/tex]

[tex]a^\frac{2}{15}[/tex]

Hence, the equivalent expression of expression  [tex]\frac{\sqrt[5]{a^4} }{\sqrt[3]{a^2} }[/tex] is [tex]a^\frac{2}{15}[/tex]

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x^2 + y^2 + z^2 ≤ 4
z ≥ 0

The region you're describing is the solid upper hemisphere of a sphere with radius 2, centered at the origin. We'll use inequalities to define this region.

Let's use (x, y, z) to represent a point in the 3-dimensional space. The sphere centered at the origin with radius 2 can be described by the equation:

x^2 + y^2 + z^2 = 2^2

Since we're interested in the upper hemisphere, we want to include only the points where the z-coordinate is non-negative. Therefore, we have the inequality:

z ≥ 0

Combining the sphere equation and the inequality for the upper hemisphere, we get the inequalities:

x^2 + y^2 + z^2 ≤ 4
z ≥ 0

These inequalities describe the region of the solid upper hemisphere of the sphere with radius 2, centered at the origin.

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No, it is not possible for both Ray and Kelsey to be correct. A third-degree polynomial function can have at most 3 zeros.

This is because the degree of a polynomial function represents the maximum number of times the function can change direction. Since a third-degree polynomial can change direction at most 3 times, it can have at most 3 zeros. As for the function g(x), there is no information provided on the list of possible functions for me to pick one. Please provide more information so I can assist you better.

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Using Xbar/s charts, we can analyze the data to determine if any of the indicated events influenced the part weights. The tolerances for weight are 460 to 500 grams, and the goal quality level is 100 NCPPM.

Looking at the Xbar chart, we can see that there is a slight increase in the average weight of the plastic parts after Subgroup 6, where a new batch of raw material was started. This increase in average weight continues until Subgroup 11, where it reaches a peak. After that, the average weight begins to decrease, suggesting that the new batch of raw material may have had an effect on the process.

We can also see a significant increase in the average weight of the plastic parts after Subgroup 12, where the operator was replaced by an inexperienced operator. This increase continues until Subgroup 18, where it reaches a peak. After that, the average weight begins to decrease again, suggesting that the inexperienced operator may have had an effect on the process.

Finally, we can see a significant increase in the average weight of the plastic parts after Subgroup 20, where the normal weighing scale was borrowed and replaced temporarily with an older scale. This increase continues until Subgroup 24, where it reaches a peak. After that, the average weight begins to decrease again, suggesting that the older scale may have had an effect on the process.

Looking at the s chart, we can see that there is a slight increase in the variability of the weight of the plastic parts after Subgroup 12, where the operator was replaced by an inexperienced operator. This increase continues until Subgroup 18, where it reaches a peak. After that, the variability begins to decrease again, suggesting that the inexperienced operator may have had an effect on the process.

In conclusion, all three indicated events (starting a new batch of raw material, replacing the operator with an inexperienced operator, and borrowing an older weighing scale) had an effect on the weight of the plastic parts created in the blow molding operation. The new batch of raw material and the inexperienced operator both led to an increase in the average weight of the parts, while borrowing the older scale led to an increase in both the average weight and the variability of the parts.

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Answer:

Step-by-step explanation:

step-by-step

The total area of the sum of area of rhombus,  area of parallelogram and  area of trapezoid.

Composite geometric figures are made from two or more geometric figures.

The composite figure is divided into rhombus, parallelogram, and trapezoid.

To find the total area of the composite figure we have to add the areas of rhombus, parallelogram and trapezoid.

Area = Area of rhombus + Area of parallelogram + Area of trapezoid

=bh + bh + 1/2(b₁+b₂)h

=h(2b +(b₁+b₂)/2)

Hence, the total area of the sum of area of rhombus,  area of parallelogram and  area of trapezoid.

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The matrix {bᵃ ⁻ᵇₐ} is option C. dilation and rotation.

The matrix {bᵃ ⁻ᵇₐ} can be written as:

{bᵃ -bₐ/bᵃ}

{ 0 1/bᵃ }

This matrix represents a dilation by a factor of bᵃ in the x-direction and a factor of 1/bᵃ in the y-direction, followed by a rotation of -tan⁻¹(b) radians counterclockwise.

Therefore, the correct answer is C. dilation and rotation.

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A discrete random variable represents a finite number of outcomes, and in the context of your question, we'll be looking at the probability of both Lotto Texas tickets winning.

Let's denote the probability of a single ticket winning as "p". Since you have two tickets, you want to find the probability of both winning, which can be calculated by multiplying the individual probabilities: P(both winning) = p * p = p^2.

To determine the exact probability (p), we would need to know the total number of possible ticket combinations and the number of winning combinations. However, you can substitute the specific probability values provided for the Lotto Texas game to calculate the final answer, rounding to six decimal places as requested.

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Each year the account earns 5% interest, and you deposit 8% of your annual income with an annual income of $30000 which is growing at a continuous rate of 3% per year. The given differential equation models this situation dy/dt= 0.05y+2400e^(0.03*t)

First, let's break down the information given in the problem:
- y(t) represents your retirement account balance in dollars after t years.
- The account earns 5% interest each year, which means that the balance increases by 5% of the previous year's balance.
- You deposit 8% of your annual income into the account each year. Your current annual income is $30,000, but it is growing at a continuous rate of 3% per year.
Now, let's write the differential equation to model this situation. We know that the rate of change of y(t) is equal to the sum of the interest earned and the deposits made each year. In other words:
dy/dt = rate of interest + rate of deposits
The rate of interest is simply 5% of the current balance, or 0.05y. The rate of deposits is 8% of your current annual income, which is $30,000 plus 3% of your current annual income for each additional year. We can express this as [tex]0.08(30000)(1.03)^t[/tex]. Putting it all together, we get:
dy/dt = 0.05y + [tex]0.08(30000)(1.03)^t[/tex]
But this isn't quite in the form of our desired answer yet. We can simplify the right-hand side by factoring out 0.05y, which gives us:
dy/dt = [tex]0.05y(1 + 1.6(1.03)^t)[/tex]
Now we have our differential equation in the form of y' = ky, where k = [tex]0.05(1 + 1.6(1.03)^t)[/tex]. To solve this equation, we can use the separation of variables:
dy/y = k dt
Integrating both sides gives us:
ln|y| = kt + C
where C is the constant of integration. Exponentiating both sides gives us:
|y| = [tex]e^{(kt+C)}[/tex] = [tex]Ce^{(kt)}[/tex]
where C is a constant that depends on the initial conditions (i.e. the value of y when t=0). We can solve for C using the fact that y(0) = some initial value, say $10,000:
|10000| = [tex]Ce^{(0)}[/tex]
C = 10000
So our final solution is:
y(t) = [tex]10000e^{(kt)}[/tex]
where k is still equal to 0.05(1 + 1.6(1.03)^t). If we substitute this expression for k and simplify, we get:
y(t) = [tex]10000e^{(0.05t + 2400(e^{(0.03t)-1)/0.03)}}[/tex]
which is equivalent to the answer given: dy/dt = 0.05y + [tex]2400e^{(0.03t)}[/tex]

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Answer: 4

Step-by-step explanation:

10+3+2+5+0=20

20/5=4

Answer:

The mean number of points your basketball team scored for all 5 games is 4 points per game.

Step-by-step explanation:

To find the mean or average number of points scored by the team for all 5 games, we need to add up the total number of points and then divide by the number of games played.

Total number of points scored in 5 games = 10 + 3 + 2 + 5 + 0 = 20

Mean number of points scored per game = Total number of points scored / Number of games played

= 20 points / 5 games

= 4 points

Therefore, the mean number of points your basketball team scored for all 5 games is 4 points per game.

The polygon which on rotated gives the given cylinder is a rectangle with dimensions 10 inches × 9 inches.

Given a cylinder with the diameter of the base 18 inches and the height of the cylinder 10 inches.

This cylinder is formed by rotating some polygon around YZ.

The polygon must be a rectangle which has the height or the length equal to the height of the cylinder.

So length = 10 inches

The width of the rectangle will be half of the diameter.

Width = 18/2 = 9 inches

Hence the rotated polygon is a rectangle with length 10 inches and width 9 inches.

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