Select the correct answer.
A school conducts 27 tests in 36 weeks. Assume the school conducts tests at a constant rate. What is the slope of the line that represents the
number of tests on the y-axis and the time in weeks on the x-axis?
A 3/4
B. 4/3
C. 3
D. 4

Answers

Answer 1

Answer:

a

Step-by-step explanation:

divide the number of tests by the number of weeks


Related Questions

t/7 = 32/56 what is t

Answers

Answer:

t = 4

Step-by-step explanation:

[tex]\frac{t}{7}[/tex] = [tex]\frac{32}{56}[/tex] ( cross- multiply )

56t = 7 × 32 = 224 ( divide both sides by 56 )

t = 4

Step-by-step explanation:

[tex] \frac{t}{7} = \frac{32}{56} \\ t = \frac{32 \times 7}{56} \\ t = \frac{32}{8} \\ t = 4[/tex]

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This is the second part pls answer. in case you can't see anything notify me​

Answers

Answer:

K = 2cm

Step-by-step explanation:

The figure are similar by AA similarity theorem

A-A similarity theorem was deals with at least the two angles are congrunt then we said that figure is similar.

So in the given figure SRT ~ QPT and if the two triangles are dimilar their coresponding side ratio are equal and their angles are congrunt .

Now our question is to find the scale factor . let it be K

K = QP/SR = PT/RT = QT/ST

K = 4cm/2cm = 6cm/3cm= 6cm /3cm

K = 2cm = 2cm = 2cm ... so the scale factor is 2cm.

agnetic field b = 1 t goes out of the plane of the page. a straight wire carries a current 1 a from right to left. find the direction of force acting on the wire. A) out of the page
B) into the page
C) left, in the plane of the page
D) right, in the plane of the page
E) up, in the plane of the page

Answers

According to the right-hand rule for the force on a current-carrying wire in a magnetic field, the direction of the force is perpendicular to both the direction of the current and the direction of the magnetic field.

The direction of the force acting on the wire can be determined using the right-hand rule for the force on a current-carrying wire in a magnetic field. According to the right-hand rule:

Point the fingers of your right hand in the direction of the current (from right to left).

Curl your fingers towards the direction of the magnetic field (out of the page).

Your thumb will now point in the direction of the force.

Therefore, the direction of the force on the wire will be upwards, perpendicular to both the current and the magnetic field.

Since the force is perpendicular to the plane of the page, the answer would be (E) up, in the plane of the page.

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show your work pleasee

Answers

The range of values in the upper 15.85% of the distribution is given as follows:

x > 19.4.

How to obtain probabilities using the normal distribution?

The z-score of a measure X of a normally distributed variable that has mean represented by [tex]\mu[/tex] and standard deviation represented by [tex]\sigma[/tex] is obtained by the equation presented as follows:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The z-score represents how many standard deviations the measure X is above or below the mean of the distribution of the data-set, depending if the obtained z-score is positive(above the mean) or negative(below the mean).The z-score table is used to obtain the p-value of the z-score, and it represents the percentile of the measure X in the distribution.

The mean and the standard deviation are given as follows:

[tex]\mu = 16, \sigma = 3.4[/tex]

The value of interest is Z with a p-value of 1 - 0.1585 = 0.8415 = 1, hence the value of x is obtained as follows:

1 = (x - 16)/3.4

x - 16 = 3.4

x = 19.4.

Hence the interval is:

x > 19.4.

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Let X1,... ,X7 be independent normal random variables and X, be distributed as N(μ1,o₁ 2) for i = 1,.,7. Find P(X < 14) when μ₁ =.... =μ= 15 and o₁2 = ... = o2/7 = 7 (round off to second decimal place).

Answers

The probability P(X < 14) when μ₁ =.... =μ= 15 and o₁2 = ... = o2/7 = 7 is 0.

Let X1, ..., X7 be independent normal random variables, each distributed as N(μ1, o₁²) for i = 1,...,7. Given that μ₁ = ... = μ = 15 and o₁² = ... = σ²/7 = 7, you want to find P(X < 14) rounded to the second decimal place.

To solve this problem, follow these steps:

1. Calculate the mean and variance of the sum of the random variables.
Since X1, ..., X7 are independent and identically distributed, the mean of their sum is the sum of their means, and the variance of their sum is the sum of their variances. Thus, for the sum S = X1 + ... + X7, we have:

Mean of S = 7 * μ = 7 * 15 = 105
Variance of S = 7 * σ²/7 = 7 * 7 = 49

2. Calculate the standard deviation of the sum.
The standard deviation is the square root of the variance, so:

Standard deviation of S = √49 = 7

3. Calculate the z-score for X < 14.
The z-score is calculated as:

z = (X - Mean) / Standard deviation

Since we want to find probability P(X < 14), we need to find the z-score for X = 14:

z = (14 - 105) / 7 = -91 / 7 = -13

4. Find the probability P(X < 14) using the z-score.
Using the z-score of -13, you can look up the corresponding probability in a standard normal distribution table or use a calculator that provides this functionality. A z-score of -13 is extremely far from the mean, so the probability P(X < 14) is very close to 0.

To the second decimal place, the probability P(X < 14) is approximately 0.00.

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a trader about a motorbike for rupees 240 000 and fix its price 20% above the cost price then he allowed 10% discount and Soul to a customer how much did the customer pay for it with 13% vat

Answers

Answer:

THE TRADER BOUGHT THE BIKE FOR RS.240000

LET THE PRIZE ABOVE THE COST BE X

20% OF 240000 IS RS.48000

RS.288000

THE PRICE OF THE BIKE IS RS.288000

THE DISCOUNT OF THE BIKE IS 10%

LET THE DICOUNT PRIZE WILL BE X

10% OF 288000 IS RS.24000

THE PRIZE OF THE BIGE NOW WILL BE RS.264000

Step-by-step explanation:

Question 6: Find the inverse of f(x)=3*​

Answers

Answer:3xf

Step-by-step explanation:

you just reverse the 40∞•§ with the 589€¢¨•§•ª¶¶ which gives you 3xf

consider the funciton f(x)= x*lnx, x>0 cheggs

Answers

The given function, f(x) = x * ln(x), is a product of x and the natural logarithm of x (ln(x)). It is defined for x > 0 since the natural logarithm is not defined for negative values or zero.

Let us analyze the given function:
1. Domain: The domain of f(x) = x * ln(x) is all x > 0 because the natural logarithm is only defined for positive values of x.

2. Range: The range of the function is all real numbers (negative and positive) because the function can have negative values for 0 < x < 1, and positive values for x > 1.

3. Monotonicity: The function is monotonically increasing for x > 1 since both x and ln(x) increase as x increases. For 0 < x < 1, the function is decreasing since x increases and ln(x) decreases.

In summary, the function f(x) = x * ln(x) is defined for x > 0, has a range of all real numbers, and is monotonically decreasing for 0 < x < 1 and monotonically increasing for x > 1.

The correct question should be :

Define the function f(x) = x * ln(x).

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f(θ) = 2 cos(θ) + cos2(θ), 0 ≤ θ ≤ 2π

Answers

To find the maximum and minimum values of the given function f(θ), we need to find its critical points and endpoints.

First, we take the derivative of f(θ) with respect to θ:

f'(θ) = -2 sin(θ) - 2 cos(θ) sin(θ)

Setting f'(θ) = 0, we get:

-2 sin(θ) - 2 cos(θ) sin(θ) = 0

Simplifying and factoring out -2 sin(θ), we get:

-2 sin(θ) (1 + cos(θ)) = 0

This gives us two critical points: θ = 0 and θ = π.

Next, we need to evaluate the function at the endpoints of the given interval [0, 2π]:

f(0) = 2 cos(0) + cos2(0) = 3

f(2π) = 2 cos(2π) + cos2(2π) = 3

Now we compare the values of f(θ) at the critical points and endpoints to find the maximum and minimum values:

f(0) = 3 (endpoint)

f(π) = 1 (critical point)

f(2π) = 3 (endpoint)

Therefore, the maximum value of f(θ) is 3 and the minimum value is 1.

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The variables x and y vary inversely, and
y = 13 when x = 3. Write the equation that
relates x and y.

Answers

Answer:If two variables, x and y, vary inversely, their relationship can be represented by the equation:

x*y = k

where k is a constant of proportionality.

To find the value of k, we can use the given information that "y = 13 when x = 3". Substituting these values into the equation above, we get:

3*13 = k

Simplifying the expression on the left-hand side, we get:

39 = k

Therefore, the equation that relates x and y when they vary inversely is:

x*y = 39

Alternatively, we can solve for y in terms of x by rearranging the equation:

x*y = 39

y = 39/x

So the equation relating x and y can also be expressed as:

y = 39/x

{Hope this helps :)

Julian is making barbecue sauce that he will put into jars. He uses 15 cups of tomato sauce, 2 cups of white vinegar, How many quart jars can he fill?

Answers

Julian can fill 4 quart jars with the barbecue sauce, with a little bit remaining (0.25 quart) that won't fill a full jar.

To determine how many quart jars Julian can fill, we need to convert the total volume of the barbecue sauce to quarts. Since there are 4 cups in 1 quart, we can divide the total volume of the sauce in cups by 4 to get the equivalent volume in quarts.

Julian uses 15 cups of tomato sauce + 2 cups of white vinegar, which gives a total of 17 cups of sauce. Now, we divide 17 cups by 4 to convert it to quarts:

17 cups ÷ 4 = 4.25 quarts.

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What two numbers multiply to 4 and add up to -4?
WILL GIVE 100 POINTS

Answers

Answer:

-2 and -2

Step-by-step explanation:

2 numbers need to multiply to get a positive 4.

2 numbers added up to get a negative 4.

This means that both numbers have to be 2 or -2, as they need to multiply to get 4.

-2 x -2 = 4

-2 + -2 = -4

Hope this helps! :)

Answer:

Step-by-step explanation:

The two numbers that multiply to 4 and add up to -4 are -2 and -2.

a fair die is tossed, and the up face is noted. if the number is even, the die is tossed again; if the number is odd, a fair coin is tossed. consider the following events: a: 5a head appears on the coin.6 b: 5the die is tossed only one time.6 a. list the sample points in the sample space. b. give the probability for each of the sample points. c. find p ( a ) and p ( b ). d. identify the sample points in ac , bc , a b, and a b. e. find p1ac 2, p1bc 2, p1a b2, p1a b2, p1ab2 , and p1b a2 . f. are a and b mutually exclusive events? independent events? why?

Answers

a) Sample space: {1,2,3,4,5,6} for the first toss of the die. If the result is even, then another toss is made, resulting in the sample space {2,4,6} for the second toss. If the first toss is odd, a coin is tossed, resulting in the sample space {H, T} for the coin toss.

b) Each outcome in the sample space has an equal probability of 1/6, except for the outcomes in {2,4,6}, which have a probability of 1/18 for the second toss.

c) P(a) = P(H) = 1/6, P(b) = 1/2.

d) ac: {5H}, bc: {1,3,5}, ab: { }, a∪b: {1,3,5,H}.

e) P(ac) = 1/6, P(bc) = 3/6 = 1/2, P(a∩b) = 0, P(a∪b) = 4/6 = 2/3, P(a|b) = P(ab)/P(b) = 0/1/2 = 0, P(b|a) = P(a∩b)/P(a) = 0/1/6 = 0.

f) a and b are not mutually exclusive events because there is a possibility that both events can occur together. They are not independent because the outcome of  the first toss affects the likelihood of the second toss or coin toss.

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The domestic violence study conducted in 1984 by Sherman and Berk had an ethical concern in that: O They financially profited from the research. O They did not adhere to special protections for vulnerable populations. O They potentially withheld a beneficial treatment. O They deceived their subjects.

Answers

In the 1984 domestic violence study conducted by Sherman and Berk, the ethical concern was that they potentially withheld a beneficial treatment.

The domestic violence study conducted by Sherman and Berk in 1984 raised an ethical concern in that they financially profited from the research. This raises the question of whether their motives were purely altruistic or whether they were driven by financial gain. Additionally, the study did not adhere to special protections for vulnerable populations such as women and children who may have been victims of domestic violence. This raises concerns about the validity and generalizability of the study's findings. Furthermore, the study potentially withheld a beneficial treatment, which raises questions about the ethical responsibility of researchers to ensure that their subjects receive the best possible care. Finally, there are also concerns that the researchers may have deceived their subjects, which raises questions about the integrity and transparency of the research process. In conclusion, the ethical concerns raised by this study highlight the need for researchers to carefully consider the impact of their research on vulnerable populations and to ensure that they adhere to the highest ethical standards.
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Let G = (V, E) be a nonempty (finite) DAG. Our goal is to construct a topological sort for G. (a) (1 point) For each v € V, we define G- {v} to be the directed graph with vertex set V-{v} and edge set {(u, w) ≤ E : u, w ‡ v}. Prove that G {v} is acyclic. (b) (3 points) Prove that in G, there is a vertex v such that there are no edges from any vertex u to v. (Hint: I suggest proof by contradiction. Try to show that the given DAG must be infinite, which would be a contradiction.) (c) (Optional) Using (a) and (b), explain how one could construct a topological sort for G.

Answers

The topological sort for G is obtained by appending v to the beginning of the topological sort for G-{v}.

(a) To show that G-{v} is acyclic, we need to show that it does not contain any directed cycles. Suppose for contradiction that G-{v} contains a directed cycle C. Since C is a directed cycle, it must contain at least one vertex w that is not v. Since w is in C, there exists a path in G-{v} from w to v, since we have removed only the edges that involve v. But this means that we can extend the path from v to w using the edge (w, v) that we removed to form G-{v}, to obtain a directed cycle in G, contradicting the fact that G is a DAG. Therefore, G-{v} is acyclic.

(b) Suppose for contradiction that every vertex in G has at least one edge to every other vertex. Then, for any two distinct vertices u and w, there is a path from u to w and a path from w to u. This means that we can construct an infinite sequence of vertices v_1, v_2, v_3, ..., where v_1 is any vertex in G, and each subsequent vertex v_i is a vertex in G that is not equal to v_1, v2, ..., v{i-1} and has an edge to v_{i-1}. But this is impossible, since G is finite. Therefore, there exists a vertex v in G such that there are no edges from any vertex u to v.

(c) To construct a topological sort for G, we can repeatedly remove a vertex v that has no incoming edges and add it to the beginning of the topological sort. We can repeat this process until all vertices have been added to the topological sort. By part (b), we know that such a vertex exists in G. Now, we can use part (a) to show that G-{v} is also a DAG, and we can recursively construct a topological sort for G-{v}. The topological sort for G is obtained by appending v to the beginning of the topological sort for G-{v}

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in a study, the sample is chosen by putting people's names on a dartboard, and blindly throwing darts what is the sampling method? simple random systematic stratified cluster convenience

Answers

The sampling method used in this study is a simple random sample. This is because each person's name has an equal chance of being selected when the darts are blindly thrown at the dartboard.

The sample is also random because there is no predetermined criteria or grouping used in selecting individuals.

The other sampling methods such as systematic, stratified, and cluster involve pre-determined groups or criteria that the individuals must meet, which is not the case with the dartboard method.

Additionally, convenience sampling involves selecting individuals based on their availability or accessibility, which is not applicable in this scenario as the individuals are selected randomly without any biases or preferences.

Overall, the study is using a simple random sampling method to select individuals for the sample.

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Prove : If p ≥ 5 is a prime number, show that p^2 + 2 is composite. (Hint: p takes one of the forms 6k + 1 or 6k + 5)

Answers

that if p ≥ 5 is a prime number, then p^2 + 2 is composite.

we can start by using the hint provided, which tells us that p takes one of the forms 6k + 1 or 6k + 5. If we consider these two forms separately and prove that p^2 + 2 is composite for each of them, then we will have shown that the statement is true for all values of p ≥ 5.

First, let's consider the case where p = 6k + 1. In this case, we can write p^2 + 2 as (6k + 1)^2 + 2 = 36k^2 + 12k + 3. Simplifying this expression, we get 3(12k^2 + 4k + 1). Since 3 is a factor of this expression, we know that p^2 + 2 is composite.

Now let's consider the case where p = 6k + 5. In this case, we can write p^2 + 2 as (6k + 5)^2 + 2 = 36k^2 + 60k + 27. Simplifying this expression, we get 3(12k^2 + 20k + 9). Since 3 is a factor of this expression, we know that p^2 + 2 is composite.

Therefore, we have shown that if p ≥ 5 is a prime number, then p^2 + 2 is composite, regardless of whether p takes the form 6k + 1 or 6k + 5.

we have proven the statement that if p ≥ 5 is a prime number, then p^2 + 2 is composite by considering two cases and showing that the expression is divisible by 3 in both cases.

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Thus, we have proved that if p is a prime number greater than or equal to 5, then p^2 + 2 must be composite.

Let p be a prime number greater than or equal to 5. We want to show that p^2 + 2 is composite.

Assume for the sake of contradiction that p^2 + 2 is a prime number.

Then p^2 + 2 cannot be divisible by any prime number less than or equal to p, since if it were, then p^2 + 2 would be composite by definition.

Now consider the two possible forms for p: 6k + 1 or 6k + 5, where k is a non-negative integer.

If p takes the form 6k + 1, then we have:

p^2 + 2 = (6k + 1)^2 + 2
= 36k^2 + 12k + 3
= 3(12k^2 + 4k + 1)

Notice that 12k^2 + 4k + 1 is an integer, so p^2 + 2 is divisible by 3. Since p^2 + 2 is assumed to be prime, this contradicts our assumption that it cannot be divisible by any prime number less than or equal to p.

Now consider the case where p takes the form 6k + 5. Then we have:

p^2 + 2 = (6k + 5)^2 + 2
= 36k^2 + 60k + 27
= 3(12k^2 + 20k + 9)

Notice again that 12k^2 + 20k + 9 is an integer, so p^2 + 2 is divisible by 3. This again contradicts our assumption that it cannot be divisible by any prime number less than or equal to p.

Therefore, we have shown that if p is a prime number greater than or equal to 5, then p^2 + 2 must be composite.

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angles
find a when B and C is 52 degrees and the outside is 308 degrees ​

Answers

Check the picture below.

let's recall, twin sides make twin angles.

Differentiate The Function. H(X)=43(X5−3x3+7)8 H′(X)=

Answers

The differentiation of H(X)=43(X5−3x3+7)⁸ is H′(x) = 344(x^5 - 3x^3 + 7)^7(5x^4 - 9x^2)

To find the derivative of the function H(x) = 43(x^5 - 3x^3 + 7)^8, we need to use the chain rule of differentiation. The chain rule states that if we have a function f(g(x)), then its derivative is given by f'(g(x)) * g'(x). In this case, our function g(x) is (x^5 - 3x^3 + 7), and our function f(x) is (43x^8). So, using the chain rule, we get:

H′(x) = f'(g(x)) * g'(x)

H′(x) = 43(8)(x^5 - 3x^3 + 7)^7 * (5x^4 - 9x^2)

Simplifying the expression, we get:

H′(x) = 344(x^5 - 3x^3 + 7)^7(5x^4 - 9x^2)

Therefore, the derivative of the function H(x) = 43(x^5 - 3x^3 + 7)^8 is H′(x) = 344(x^5 - 3x^3 + 7)^7(5x^4 - 9x^2).

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Indicate below whether the equation in the box is true or false

Answers

Answer:

False

Step-by-step explanation:

In order to compare fractional terms both sides, you have to make sure that both sides are equal in denominator. In this case, our denominators are 3 and 12. To equalize the denominator of both sides, find the LCM of 3 and 12 which is 12.

Therefore, we multiply 2/3 by 4/4. Therefore:

[tex]\displaystyle{\dfrac{2\cdot 4}{3\cdot 4} = \dfrac{9}{12}}\\\\\displaystyle{\dfrac{8}{12} = \dfrac{9}{12}}[/tex]

The equation is false since 8/12 does not actually equal 9/12. You can also try cutting the pieces into 12 pieces total and compare both shaded regions; you'll see that both are not equivalent at all.

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Find the critical value tc for the confidence level c=0.99 and sample size n=21.

Answers

The critical value tc for the confidence level c=0.99 and sample size n=21 is 2.845.

To find the critical value tc for the confidence level c = 0.99 and sample size n = 21, we can use the t-distribution table or a statistical software package.

t-distribution critical value formula is: tc = t(α/2, n-1)

For a confidence level of 0.99, the significance level α is:

α = 1 - c = 1 - 0.99 = 0.01

Using a t-distribution table with 20 degrees of freedom (n-1), we can find the t-value with a cumulative probability of 0.005 in the upper tail, since we are interested in the critical value at the two-sided 99% confidence level.

The t-value with a cumulative probability of 0.005 and 20 degrees of freedom is 2.845.

Therefore, the critical value tc for the confidence level c = 0.99 and sample size n = 21 is:

tc = t(α/2, n-1) = t(0.005, 20) = 2.845

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Jada bought a used car for $6000. The value of the car is expected to depreciate at a uniform rate of 30% per year. What will be the approximate value of the car in 3 years? Use the formula =^-kt

Answers

The approximate value of the car in 3 years is $1648.37.

We have,

To calculate the approximate value of the car in 3 years, we can use the formula for exponential decay:

V = Vo e^(-kt)

where V is the value of the car after t years, Vo is the initial value of the car, k is the decay rate (in this case, 0.3), and e is the mathematical constant e (approximately equal to 2.718).

Substituting the given values.

V = 6000 x e^(-0.33)

V = 6000 x e^(-0.9)

V ≈ $1648.37

Therefore,

The approximate value of the car in 3 years is $1648.37.

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how many different ways can president, vice president, treasurer, and secretary be chosen from a class of 40 students?

Answers

There are 91,390,400 different ways to choose president, vice president, treasurer, and secretary from a class of 40 students.

To find the number of different ways to choose president, vice president, treasurer, and secretary from a class of 40 students, we need to use the formula for permutations. This formula is nPr = n! / (n - r)!, where n is the total number of items and r is the number of items being chosen. In this case, n = 40 and r = 4, so we have equations:

40P4 = 40! / (40 - 4)!
40P4 = 40! / 36!
40P4 = (40 x 39 x 38 x 37) / (4 x 3 x 2 x 1)
40P4 = 91,390,400

Therefore, there are 91,390,400 different ways to choose president, vice president, treasurer, and secretary from a class of 40 students. This means that each person in the class has a 1 in 91,390,400 chance of being chosen for all four positions.  

It's important to note that this calculation assumes that each person can only hold one position, and that the order in which the positions are filled matters. If these assumptions are changed, then a different formula would need to be used.


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Screenshot 2023-05-01 at 19.09.51

Answers

The circumference of the circle is given as follows: C = 109.9 in.

The relationship between the diameter of a circle and it's circumference is presented in this problem.

We have,

The circumference of a circle of radius r is given by the equation presented as follows:

C = 2πr

The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle, while the diameter of the circle is the distance between two points on the circumference of the circle that pass through the center. Hence, the diameter’s length is twice the radius length.

The diameter is twice the radius, hence, for a circle with diameter 35 in, the radius is given as follows:

r = 0.5 x 35

r = 17.5 in.

Then the circumference of the circle is given as follows:

C = 2 x pi x 17.5

C = 109.9 in.

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Missing Information

The problem is incomplete, hence the relation between the diameter of a circle and it's circumference is presented.

An object 11 cm high is placed 17 cm in front of a convex mirror with a focal length of −6.6 cm. What is the image height? Answer in units of cm.

Answers

Answer:  The image height is 28.20 cm.

Step-by-step explanation:

Using the mirror formula:

1/f = 1/v + 1/u

where f is the focal length, v is the image distance and u is the object distance.

We have f = -6.6 cm, u = -17 cm (since the object is placed in front of the mirror) and v is what we need to obtain

1/v = 1/f - 1/u1/v

= 1/-6.6 - 1/-171/v

= -0.1515v

= -6.6 / 0.1515v

= -43.56 cm

Since the image is formed behind the mirror and is virtual, the image height will be negative.

Using the magnification formula:

m = -v/um = (-43.56)/(-17)m = 2.5635

The magnification is positive, indicating that the image is upright. T

he height of the image is:

h_i = m * h_oh_i

= 2.5635 * 11

cmh_i = 28.20 cm (rounded to two decimal places

Therefore, the image height is 28.20 cm.

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Cuántas diagonales tiene un polígono de 33 lados

Answers

Answer: 527

Step-by-step explanation:

As applied to a polygon, a diagonal is a line segment joining any two non-consecutive vertices. Therefore, a quadrilateral has two diagonals, joining opposite pairs of vertices.

five different universities are being compared based on the starting salaries of their post-graduates. if you were to perform anova, how many factors are there and how many levels are there?

Answers

If we were to perform an ANOVA analysis to compare the starting salaries of post-graduates from five different universities, there would be one factor, which is the university.  

The factor refers to the independent variable that we want to test and compare. In this case, we are interested in comparing the salaries of post-graduates from five different universities.

There would be five levels of the factor, each representing a different university. The levels refer to the different categories or groups that we want to compare. In this case, the levels would be the five universities being compared.

The ANOVA analysis would allow us to determine if there is a significant difference in the starting salaries of post-graduates from the five universities. It would also help us identify which university is associated with the highest or lowest starting salaries.

Overall, ANOVA is a useful statistical tool for comparing multiple groups or categories. By identifying the factors and levels involved in the analysis, we can obtain valuable insights and make informed decisions.


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two six-sided dice are rolled. what is the size of the sample space that corresponds to the event that both dice are odd?

Answers

When rolling a single six-sided die, there are three odd numbers: 1, 3, and 5, and three even numbers: 2, 4, and 6. Since we are rolling two dice, each with six possible outcomes, there are a total of $6 \times 6 = 36$ possible outcomes.

To find the sample space corresponding to the event that both dice are odd, we need to determine all possible outcomes in which both dice land on odd numbers. There are three odd numbers on each die, so there are three possibilities for the first die and three possibilities for the second die, for a total of $3 \times 3 = 9$ outcomes where both dice are odd.

Therefore, the size of the sample space that corresponds to the event that both dice are odd is 9.

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Identify the correct cross section of the regular square pyramid.

Answers

The value of correct cross section of the regular square pyramid is a Square as shown in Option C.

We have to given that;

A pyramid is shown in figure.

Since, We know that;

In a given pyramid, the cross section is shown by blue figure.

And, The blue figure is shown a square.

Thus, The value of correct cross section of the regular square pyramid is a Square as shown in Option C.

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which of the following give chart elements a realistic, three-dimensional look?A. axisB. chart areaC. legendD. plot area

Answers

The option that gives chart elements a realistic, three-dimensional look is D. Plot Area.

The option that gives chart elements a realistic, three-dimensional look is the plot area. The plot area is the portion of the chart that displays the data points and is typically the main focus of the chart. Adding shading and depth to the plot area, can give the chart a more lifelike appearance and make the data more visually engaging. Additionally, three-dimensional charts can also be created by using specialized charting software that allows for the creation of 3D visualizations. These types of charts can be useful for highlighting patterns and trends in the data, especially when dealing with large datasets.
In a chart, the plot area is the space where the actual data points, bars, lines, or pie slices are displayed. By applying three-dimensional effects to the plot area, you can make the chart elements appear more realistic and visually appealing. This can enhance the viewer's understanding of the data being represented and make the chart more engaging.
In summary, to give chart elements a realistic, three-dimensional look, you should focus on the plot area (Option D). The axis (Option A), chart area (Option B), and legend (Option C) do not directly contribute to creating a three-dimensional appearance for the chart elements.

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