During a 12-hour period, the temperature dropped 48°. How many degrees did the temperature drop each hour?
1) -576 degrees
2) 4 degrees
3) 576 degrees
4) -4 degrees

The game is not fair as 6 times the expected sum is less than the cost, $43.

In the question, we are asked if the game is fair.

For the game to be fair, 6 times the expected sum for the pair from the game has to be greater than or equal to $43, that is,

6E(X) ≥ 43.

The expected sum for the pair, E(X) can be calculated using the formula,

E(X) = ∑x.p(x),

or, E(X) = 1/18 + 1/6 + 1/3 + 5/9 + 1/6 + 7/9 + 10/9 + 1 + 5/6 + 11/18 + 1/3,

or, E(X) = 107/18.

Now, 6E(X) = 6*(107/18) = 107/3 = 35.67.

Since, the total return from the game is $35.67, which is less than the cost of $43, the game is not fair.

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Answer:

The item that attaches to the bowstring to improve accuracy by giving a consistent anchor point each time the bowstring is drawn is called a "release aid" or "bow release".

The complete graph with 100 vertices will have \(\( \binom{100}{2} = 4950 \)\)edges. Therefore, the correct option is (a) 4950. A connected graph with 100 vertices must have at least 99 edges.

1. A complete graph with 100 vertices means that there is an edge between every pair of vertices. The number of edges in a complete graph with n vertices is given by the formula \(\( \binom{n}{2} = \frac{n(n-1)}{2} \)\). Substituting n = 100, we get\(\( \frac{100 \cdot 99}{2} = 4950 \)\) edges.

2. In a connected graph with n vertices, the minimum number of edges required to ensure connectivity is n - 1. Therefore, a connected graph with 100 vertices must have at least 99 edges.

3. The given algorithm has a loop that divides the value of k by 2 in each iteration. As long as k is greater than or equal to 1, the loop continues. Since the value of k is halved in each iteration, the loop will run approximately \log ntimes. Therefore, the complexity of the algorithm is \(\( O(\log n) \)\).

4. The Minimum Spanning Tree algorithm is a Greedy method because it makes locally optimal choices at each step to construct the minimum spanning tree.

5. A graph is called connected if there is a path between every pair of vertices. Therefore, if a graph has a path between each two vertices, it is a connected graph.

6. NP-Complete problems are a subset of problems in the NP-class and are also NP-Hard. Therefore, any problem in the NP-Complete class is in both NP-class and NP-Hard class.

7. The algorithm with linear complexity is the Max is in-place Algorithm, which finds the maximum element in an array by comparing each element with the current maximum and updating it if necessary.

8. The worst-case time complexity of Insertion Sort is\(\( O(n^2) \)\) because in the worst case, for each element, it may need to be compared and shifted with every element to its left.

9. Dijkstra's algorithm is an example of the Greedy method for finding the shortest path in a graph.

10. The correct option is not provided for question 10, as none of the given options

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From the given numbers, the greatest number is 23 × 10^126

The first number = 23 × 10^126

The second number = 23 × 10^86

The third number = 23 × 10^66

The fourth number = 23 × 10^3

The scientific notation is defined as the easiest method to represents the very smallest or the largest number. The scientific notation consist of a whole number multiplied by the power of ten

Here, the whole number is same in all cases, only the power of the 10 is different . To find the largest number we have to find the number with largest power of 10

The number with largest power of 10 = 23 × 10^126

Hence, the greatest number is 23 × 10^126

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Positive correlation means that both variables tend to increase (or decrease) together. Thus, Option A is the answer.

Positive correlation refers to a relationship between two variables in which an increase in one variable is associated with an increase in the other variable. Negative correlation, on the other hand, refers to a relationship in which an increase in one variable is associated with a decrease in the other variable. No correlation means that there is no relationship between the two variables.

To determine the strength of a correlation, we can use a statistical measure called the correlation coefficient, which ranges from -1 to 1. A correlation coefficient of 1 indicates a perfect positive correlation, a correlation coefficient of -1 indicates a perfect negative correlation, and a correlation coefficient of 0 indicates no correlation.

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uh what function??

/////

Step-by-step explanation:

the area of :

1) inside surface = (3.14× 1.25²)+(3.14×2.5×1.5)

= 4.90625 + 11.775 = 16.68125 m²

2) upper side surface= (3.14 × (1.35²-1.25²))

= 3.14× (1.8225-1.5625)= 3.14×0.26=0.8164m²

3) lateral surface= 3.14×2.7×1.6=13.5648m²

the total amount of vinyl required for the spa =

16.68125+0.8164+13.5648 = 31.06245 m²

Answer:

Zeros: 1/9

Step-by-step explanation:

The factors of the g(x) are (2x − 1) and (x + 5) and the zeroes of the g(x) are negative 5 and 0.5.

It is the method to separate the polynomial into parts and the parts will be in multiplication. And the value of the polynomial at this point will be zero.

The g(x) is given below.

g(x) = 2x² + 9x − 5

Then the factor of the g(x) will be

g(x) = 2x² + 9x − 5

g(x) = 2x² + 10x − x − 5

g(x) = 2x(x +5) −1 (x + 5)

g(x) = (2x − 1)(x + 5)

Then the zeroes of g(x) will be

               g(x) = 0

(2x − 1)(x + 5) = 0

                   x = −5, 0.5

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(a) A nonzero vector orthogonal to the plane through the points P, Q, and R is (9, -17, 35). (b) The area of triangle PQR is \(\sqrt\)(811) / 2.

(a) To determine a nonzero vector orthogonal to the plane through the points P, Q, and R, we can first find two vectors in the plane and then take their cross product. Taking vectors PQ and PR, we have:

PQ = Q - P = (5, 1, -2) - (-4, 0, 0) = (9, 1, -2)

PR = R - P = (6, 4, 1) - (-4, 0, 0) = (10, 4, 1)

Taking the cross product of PQ and PR, we have:

n = PQ x PR = (9, 1, -2) x (10, 4, 1)

Evaluating the cross product gives n = (9, -17, 35). Therefore, (9, -17, 35) is a nonzero vector orthogonal to the plane through points P, Q, and R.

(b) To determine the area of triangle PQR, we can use the magnitude of the cross product of vectors PQ and PR divided by 2. The magnitude of the cross product is given by:

|n| = \(\sqrt\)((9)^2 + (-17)^2 + (35)^2)

Evaluating the magnitude gives |n| = \(\sqrt\)(811).

The area of triangle PQR is then:

Area = |n| / 2 = \(\sqrt\)(811) / 2.

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Answer:

900

Step-by-step explanation:

A=S^2

50265=SxS

S=√50265

S=225

P=Sx4

P=225x4

P=900

The length of the rectangle is 19 cm.

The formula for the area of a rectangle,

Area = Length x Width

Given that the area is 336 cm squared.

So, we can set up an equation,

⇒ 336 = (w + 5)w

where w represents the width of the rectangle.

Expanding this equation,

⇒ 336 = w² + 5w

Moving all terms to one side:

⇒ w² + 5w - 336 = 0

This is a quadratic equation that we can solve using the quadratic formula,

⇒ w = (-5 ± √(5² - 4(1)(-336))) / (2(1))

⇒ w = (-5 ± 23) / 2

We'll take the positive value,

⇒ w = 14

So, the width of the rectangle is 14 cm.

We also know that the length is 5 cm more than the width,

Therefore,

⇒ l = w + 5

⇒ l = 14 + 5

⇒ l = 19

Therefore, the length of the rectangle is 19 cm.

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1)The value of SS is 3.5,variance  0.875,the standard deviation is 0.935.2)The value of SS is 24,variance 3,the standard deviation is 1.732.3)The value of SS is 42,variance  6,the standard deviation is 2.449.4)The value of SS is 34,variance  8.5,the standard deviation is 2.915.5)The value of SS is 42,variance  7,the standard deviation is 2.646.

1. The given sample of n=4 scores is 3, 1, 1, 1. The formula for SS is Σ(X-M)². The value of M (mean) can be found by ΣX/n. ΣX = 3+1+1+1 = 6. M = 6/4 = 1.5. Now, calculate the values for each score: (3-1.5)² + (1-1.5)² + (1-1.5)² + (1-1.5)² = 3.5. Therefore, the value of SS is 3.5. To calculate the variance, divide the SS by n i.e., 3.5/4 = 0.875. The standard deviation is the square root of the variance. Therefore, the standard deviation is √0.875 = 0.935.

2. The given population of N=8 scores is 0, 0, 5, 0, 3, 0, 0, 4. The formula for SS is Σ(X-M)². The value of M (mean) can be found by ΣX/N. ΣX = 0+0+5+0+3+0+0+4 = 12. M = 12/8 = 1.5. Now, calculate the values for each score: (0-1.5)² + (0-1.5)² + (5-1.5)² + (0-1.5)² + (3-1.5)² + (0-1.5)² + (0-1.5)² + (4-1.5)² = 24. Therefore, the value of SS is 24. To calculate the variance, divide the SS by N i.e., 24/8 = 3. The standard deviation is the square root of the variance. Therefore, the standard deviation is √3 = 1.732.

3. The given population of N=7 scores is 8, 1, 4, 3, 5, 3, 4. The formula for SS is Σ(X-M)². The value of M (mean) can be found by ΣX/N. ΣX = 8+1+4+3+5+3+4 = 28. M = 28/7 = 4. Now, calculate the values for each score: (8-4)² + (1-4)² + (4-4)² + (3-4)² + (5-4)² + (3-4)² + (4-4)² = 42. Therefore, the value of SS is 42. To calculate the variance, divide the SS by N i.e., 42/7 = 6. The standard deviation is the square root of the variance. Therefore, the standard deviation is √6 = 2.449.

4. The given sample of n=5 scores is 9, 6, 2, 2, 6. The formula for SS is Σ(X-M)². The value of M (mean) can be found by ΣX/n. ΣX = 9+6+2+2+6 = 25. M = 25/5 = 5. Now, calculate the values for each score: (9-5)² + (6-5)² + (2-5)² + (2-5)² + (6-5)² = 34. Therefore, the value of SS is 34. To calculate the variance, divide the SS by n-1 i.e., 34/4 = 8.5. The standard deviation is the square root of the variance. Therefore, the standard deviation is √8.5 = 2.915.

5. The given sample of n=7 scores is 8, 6, 5, 2, 6, 3, 5. The formula for SS is Σ(X-M)². The value of M (mean) can be found by ΣX/n. ΣX = 8+6+5+2+6+3+5 = 35. M = 35/7 = 5. Now, calculate the values for each score: (8-5)² + (6-5)² + (5-5)² + (2-5)² + (6-5)² + (3-5)² + (5-5)² = 42. Therefore, the value of SS is 42. To calculate the variance, divide the SS by n-1 i.e., 42/6 = 7. The standard deviation is the square root of the variance. Therefore, the standard deviation is √7 = 2.646.

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Answer:

\( \large{ \tt{❃ \: EXPLANATION} }: \)

\( \large{ \tt{❁ \: LET'S \: START : }}\)

\( \boxed{ \large{ \tt{SURFACE\: AREA \: OF \: CYLINDER = 2\pi \: r \: (r + h)}}}\)

- Plug the known values and simplify :

\( \large{ \tt{⇢2 \times \frac{22}{7} \times 10(10 + 20)}}\)

\( \large{ \tt{⇢ \: 2 \times \frac{22}{7} \times 10 \times 30 }}\)

\(⇢ \boxed{\large{ \bold{\tt{1885.71 \: \text {units}^{2} }}}}\)

\( \tt{✺ \: THE \: BEST \: REVENGE \: IS \: MASSIVE \: \bold{ \tt{SUCCESS} !\: ♪}}\)

♕ Hope I helped! ♡

☼Have a wonderful day / evening! ☃

# StayInAndExplore! ☂

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\( \qquad \qquad\large\rm{Together \: We \: Go \: Far!} \\ \qquad \qquad \sf \small{\red{♡}\:Swifties\:\red{♡}}\)

Question :-

Answer :-

\( \rule{180pt}{3pt}\)

Diagram :-

\(\setlength{\unitlength}{1mm}\begin{picture}(5,5)\thicklines\multiput(-0.5,-1)(26,0){2}{\line(0,1){40}}\multiput(12.5,-1)(0,3.2){13}{\line(0,1){1.6}}\multiput(12.5,-1)(0,40){2}{\multiput(0,0)(2,0){7}{\line(1,0){1}}}\multiput(0,0)(0,40){2}{\qbezier(1,0)(12,3)(24,0)\qbezier(1,0)(-2,-1)(1,-2)\qbezier(24,0)(27,-1)(24,-2)\qbezier(1,-2)(12,-5)(24,-2)}\multiput(18,2)(0,32){2}{\sf{10 \: units}}\put(9,17.5){\sf{20 \: units}}\end{picture}\)

Solution :-

As per the provided information in the given question, we have been given that the radius of the cylinder is 10 units. The height of the cylinder is 20 units. We have been asked to find or calculate the surface area of the cylinder.

To calculate the surface area of the cylinder, we will use the formula below :-

\(\bigstar \:\:\:\boxed{\sf{\:\:Surface \: Area_{(Cylinder)} = 2\pi r^2 + 2\pi rh \:\:}}\)

Substitute the given values into the above formula and solve for surface area:

\(\sf:\implies Surface \: Area_{(Cylinder)} = 2\pi r^2 + 2\pi rh\)

\(\sf:\implies Surface \: Area_{(Cylinder)} = (2)(3.14)(10 \: units)^2 + (2)(3.14)(10 \: units)(20\:units) \)

\(\sf:\implies Surface \: Area_{(Cylinder)} = (2)(3.14)(100 \: units^2) + (2)(3.14)(200\:units^2) \)

\(\sf:\implies Surface \: Area_{(Cylinder)} = (2)(314 \: units^2) + (2)(628 \: units^2) \)

\(\sf:\implies Surface \: Area_{(Cylinder)} = 628 \: units^2 + 1256 \: units^2 \)

\(\sf:\implies \bf{Surface \: Area_{(Cylinder)} = 1884 \: units^2}\)

Therefore :-

\(\\\)

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Answer:

£280

Step-by-step explanation:

The surface area of the box is 2[(50)(50)+(50)(10)+(50)(10)]=7000\) square centimeters.

So, it costs \(7000(0.04)=280\) pounds.

Let's approach this by solving the inequality (as opposed to ruling out answers that were given).

To solve an absolute value inequality, you first need the abs. val. by itself.  That is already done in this exercise.

The next step depends if the abs. val. is greater than or less than a positive number.

If k is a positive number and if you have the |x| > k, then this splits into
       x > k   or   x < -k

If k is a positive number and if you have the |x| < k, then this becomes

       -k < x < k

Essentially -k and k become the ends or the intervals and you have to decide if you have the numbers between k and -k (the inside) or the numbers outside -k and k.

In your exercise, you have | 10 + 4x | ≤ 14.  So this splits apart into

     -14 ≤ 10+4x ≤ 14
because it's < and not >.   The < vs ≤ only changes if the end number will be a solid or open circle.

Solving -14 ≤ 10+4x ≤ 14 would then go like this:

    -14 ≤ 10+4x ≤ 14

    -24 ≤ 4x ≤ 4     by subtracting 10

      -6 ≤ x ≤ 1        by dividing by 4

So that's the inequality and the graph will be the one with closed (solid) circles at -6 and 1 and shading in the middle.

The standard deviation is relatively small when the data are all concentrated close to the mean, exhibiting little variation or spread.

The standard deviation could be a degree of the changeability or spread of a set of information. It is calculated by finding the square root of the normal of the squared contrasts between each information point and the cruel(mean).

In other words, it tells us how much the information values are scattered around the mean.

When the information is all concentrated near the cruel(mean), it implies that the contrasts between each information point and the cruel are moderately little.

This comes about in a little while of squared contrasts, which in turn leads to a little standard deviation. On the other hand, when the information is more spread out, it implies that the contrasts between each information point and the cruel are bigger.

This comes about in a bigger entirety of squared contrasts, which in turn leads to a bigger standard deviation.

For case, let's consider two sets of information:

Set A and Set B.

Set A:

2, 3, 4, 5, 6

Set B:

1, 3, 5, 7, 9

Both sets have the same cruel(mean) (4.0), but Set A encompasses a littler standard deviation (1.4) than Set B (2.8).

This is because the information values in Set A are all moderately near to the cruel(mean), while the information values in Set B are more spread out.

Subsequently, we will say that the standard deviation is generally small when the information is all concentrated near the mean, showing a small variety or spread.

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The initial value problem, 2y″ + y = f(t), y(0) = 0, y′(0) = −1, where f(t) is defined as {2, 0 < t ≤ 2, 0, t > 2}, can be solved using Laplace transforms.

To solve the initial value problem using Laplace transforms, we first take the Laplace transform of the given differential equation. Applying the Laplace transform to the equation, we get 2s²Y(s) + Y(s) = F(s), where Y(s) and F(s) are the Laplace transforms of y(t) and f(t) respectively.

Next, we substitute the initial conditions y(0) = 0 and y′(0) = −1 into the transformed equation. Using the Laplace transform property for initial value conditions, we have Y(s) = Y(s) - 1/s.

Simplifying the equation, we can express Y(s) in terms of F(s) as Y(s) = F(s) / (2s² + 1) + 1/s.

Finally, we need to take the inverse Laplace transform of Y(s) to obtain the solution y(t). The inverse Laplace transform of F(s) / (2s² + 1) can be determined using partial fraction decomposition, and the inverse Laplace transform of 1/s is simply a ramp function.

Thus, by taking the inverse Laplace transform of Y(s), we can obtain the solution y(t) for the given initial value problem.

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Answer:

His salory before Increse is 17250

Sales for the dress department last year were $82,000. The manager for the department plans an increase of 12.5% this year. So, the projected sales volume for this year is $92,250.

To calculate this year's projected sales volume we will add 12.5% of the sales of the last year to the sales of last year. This can be calculated by using the formula:

S = P + (P × r / 100)

Where S is new sales, P is old sales, and r is a rate of increase.

In this problem, the value of P is $82,000 and the rate of increase is 12.5%. Now, let's plug these values into the formula and solve for S:

S = P + (P × r / 100)

S = $82,000 + ($82,000 × 12.5 / 100)

S = $82,000 + $10,250S = $92,250

Hence, the projected sales volume for this year is $92,250.

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The group of all possible dependent values that a function can produce from its domain values is known as its range.

In the given question we have to explain what is range of a function.

The range refers to all the entities (output) that result from a relation or function. The Range set is made up of all used output values (dependent values).

The group of all possible dependent values that a function can produce from its domain values is known as its range. It consists of every potential output.

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If cholesterol level were changed to being measured in grams instead of milligrams, the correlation between fat content and cholesterol level would not be affected.

This is because correlation is a measure of the strength and direction of the linear relationship between two variables, and converting the units of measurement does not change the underlying relationship between the variables. So, the correlation coefficient of 0.75 would remain the same whether cholesterol level is measured in milligrams or grams.

The correlation between fat content and cholesterol level for the 20 different brands of American cheese slices is 0.75. If you change the measurement of cholesterol level from milligrams to grams (1 gram = 1000 milligrams), it will not affect the correlation. The correlation coefficient will remain 0.75, as it is unit-less and only represents the strength and direction of the relationship between the two variables.

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Answer:

h = 4sqr(3)

Step-by-step explanation:

r = d/2

d =  8

r = 8/2

r = 4

a = 4

c = 8

b = h = ?

a^2 + h^2 = c^2

4^2 + h^2 = 8^2

16 + h^2 = 64

h^2 = 64 - 16

h^2 = 48

sqrt(h^2) = sqrt(16*3)

h = 4 sqrt3)

Answer:

48

Step-by-step explanation:

The statement is True only for independent events and False otherwise. The statement "p (A ∩ B) = p(A). p(B)" is not always true for any two events A and B defined on a sample space S of an experiment.

This equation only holds true if A and B are independent events, meaning that the occurrence of one event does not affect the probability of the other event happening. In other words, p(A|B) = p(A) and p(B|A) = p(B).

If A and B are dependent events, meaning that the occurrence of one event affects the probability of the other event happening, then the equation does not hold true. In this case, the probability of A and B occurring together (p(A ∩ B)) would be less than the product of the probabilities of A and B occurring separately (p(A).p(B)).

Therefore, the statement is not always true and depends on whether A and B are independent or dependent events.

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Answer:

2

Step-by-step explanation:

2x+2(x-2)=4

2x+2x-4=4

4x=4+4

4x=8

X=8÷4

X=2

Answer:

Y is the awnser

Step-by-step explanation:

Answer:

1 4/7

Step-by-step explanation:

because you add 5/7+6/7

5+6=11 then divide by 7 which is 1 4/7

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The probability that exactly 2 of them say job applicants should follow up within two weeks is 0.1177

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

n = 8

x = 2

p = 48%

The probability is then calculated as

P(x = x) = ⁿCᵣ * pˣ * (1 - p)ⁿ ⁻ ˣ

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

P(x = 2) = ⁸C₂ * (48%)³ * (1 - 48%)⁵

Evaluate

P(x = 2) = ⁸C₂ * (48%)³ * (1 - 48%)⁵ = 0.1177

Hence, the probability is 0.1177

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The volume of a stack of 9 books is 1368.75 cubic inches.

To find the volume of a stack of 9 books, we first need to find the height of the stack. Since each book is 3/4 inch thick, the height of the stack is 9 times 3/4 inch, which is 6 3/4 inches.

Now we need to find the area of the base of the rectangular prism formed by the stack of books. Since each book has an area of 22 1/2 square inches, the total area of the base of the stack is 9 times 22 1/2 square inches, which is 202 1/2 square inches.

Therefore, the volume of the stack of 9 books is:

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The sides of the triangle are 5√2 , 5√2 and 10.

A triangle is a polygon with three sides , three vertices and three angles , When one angle is equal to 90 degree , it is called a Right Angled Triangle.

It is given that two angles given is 45 and 45 degree each so by using trigonometric ratios the sides can be calculated.

From the data given in the image

sin 45 ° = 5√2 / x

x = 5√2 / sin 45°

x = 10

The hypotenuse = 10

From The Pythagoras theorem

10² = (5√2)² + y²

y = (5√2) unit

Therefore the sides are 5√2 , 5√2 and 10.

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Answer:top bar is 34

bottm 17/3

Step-by-step explanation: