Five balls are selected at random without replacement from an un containing four white balls and six blue bals. Find the probability of the given event. (Round your answer to three decimale)

Answer:

c = 13.8

Step-by-step explanation:

[tex]c^2=a^2+b^2-2ab\cos C\\c^2=19^2+26^2-2(19)(26)\cos 31^\circ\\c^2=190.1187069\\c\approx13.8[/tex]

Therefore, the length of c is about 13.8 units

Considering the linear optimization problem:
Maximize 3x_1 + 4x_2
subject to
-2x_1 + x_2 ≤ 2
2x_1 - x_2 < 4
0 ≤ x_1 ≤ 3
0 ≤ x_2 ≤ 4

In both cases, the simplex algorithm follows the same path to reach the optimal solution (3, 4).

(a) To solve this problem graphically, we need to draw the feasible region as a subset of R^2 and label all the vertices with their coordinates. Then we can use the graphical method to find the optimal solution.

First, let's plot the constraints on a coordinate plane.

For the first constraint, -2x_1 + x_2 ≤ 2, we can rewrite it as x_2 ≤ 2 + 2x_1.
To plot this line, we need to find two points that satisfy this equation. Let's choose x_1 = 0 and x_1 = 3 to find the corresponding x_2 values.
For x_1 = 0, we have x_2 = 2 + 2(0) = 2.
For x_1 = 3, we have x_2 = 2 + 2(3) = 8.
Plotting these points and drawing a line through them, we get the line -2x_1 + x_2 = 2.

For the second constraint, 2x_1 - x_2 < 4, we can rewrite it as x_2 > 2x_1 - 4.
To plot this line, we need to find two points that satisfy this equation. Let's choose x_1 = 0 and x_1 = 3 to find the corresponding x_2 values.
For x_1 = 0, we have x_2 = 2(0) - 4 = -4.
For x_1 = 3, we have x_2 = 2(3) - 4 = 2.
Plotting these points and drawing a dashed line through them, we get the line 2x_1 - x_2 = 4.

Next, we need to plot the constraints 0 ≤ x_1 ≤ 3 and 0 ≤ x_2 ≤ 4 as vertical and horizontal lines, respectively.

Now, we can shade the feasible region, which is the area that satisfies all the constraints. In this case, it is the region below the line -2x_1 + x_2 = 2, above the dashed line 2x_1 - x_2 = 4, and within the boundaries defined by 0 ≤ x_1 ≤ 3 and 0 ≤ x_2 ≤ 4.

After drawing the feasible region, we need to find the vertices of this region. The vertices are the points where the feasible region intersects. In this case, we have four vertices: (0, 0), (3, 0), (3, 4), and (2, 2).

To find the optimal solution, we evaluate the objective function 3x_1 + 4x_2 at each vertex and choose the vertex that maximizes the objective function.

For (0, 0), the objective function value is 3(0) + 4(0) = 0.
For (3, 0), the objective function value is 3(3) + 4(0) = 9.
For (3, 4), the objective function value is 3(3) + 4(4) = 25.
For (2, 2), the objective function value is 3(2) + 4(2) = 14.

The optimal solution is (3, 4) with an objective function value of 25.

(b) If we solve this problem using the simplex algorithm starting at the origin, there are two choices for the entering variable: x_1 or x_2. For each choice, we need to draw the path that the algorithm takes from the origin to the optimal solution and label each path clearly in the solution to part (a).

If we choose x_1 as the entering variable, the simplex algorithm will start at the origin (0, 0) and move towards the point (3, 0) on the x-axis, following the path along the line -2x_1 + x_2 = 2. From (3, 0), it will then move towards the point (3, 4), following the path along the line 2x_1 - x_2 = 4. Finally, it will reach the optimal solution (3, 4).

If we choose x_2 as the entering variable, the simplex algorithm will start at the origin (0, 0) and move towards the point (0, 4) on the y-axis, following the path along the line -2x_1 + x_2 = 2. From (0, 4), it will then move towards the point (3, 4), following the path along the line 2x_1 - x_2 = 4. Finally, it will reach the optimal solution (3, 4).

In both cases, the simplex algorithm follows the same path to reach the optimal solution (3, 4).

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The value of x for the given expression cosec3x = (cot 30°+ cot 60°) / (1 + cot 30° cot 60°) is 20°.

The given expression is  cosec 3x = (cot 30° + cot 60°) / (1 + cot 30° cot 60°).

It is required to find the value of x from the given expression.

For solving this expression, we use the values from the trigonometric table and simplify it to get the value of x.

We know that

cos 30° = √3 and cot 60° = 1/√3

Take the RHS side of the expression and simplify

(cot 30° + cot 60°) / (1 + cot 30° cot 60°)

[tex]=\frac{\sqrt{3}+\frac{1}{\sqrt{3} } }{1 + \sqrt{3}*\frac{1}{\sqrt{3} }} \\\\=\frac{ \frac{3+1}{\sqrt{3} } }{1 + 1} \\\\=\frac{ \frac{4}{\sqrt{3} } }{2} \\\\={ \frac{2}{\sqrt{3} } \\\\[/tex]

The value of RHS is 2/√3.

Now, equating this with the LHS, we get

cosec 3x = 2/√3

cosec 3x = cosec60°

3x = 60°

x = 60°/3

x = 20°

Therefore, the value of x is 20°.

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The correct question is -

Find the value of x, when cosec 3x = (cot 30° + cot 60°) / (1 + cot 30° cot 60°)

The probability that a person chosen at random from this group has run a red light in the last year is approximately 0.4775 or 47.75%.

We need to calculate the proportion of people who responded "yes" out of the total number of respondents to find the probability that a person chosen at random from the group has run a red light in the last year.

Let's denote:

The probability of running a red light can be calculated as the number of people who responded "yes" divided by the total number of respondents:

P(R) = Number of people who responded "yes" / Total number of respondents

P(R) = 138 / 289

Now, we can calculate the probability:

P(R) ≈ 0.4775

Therefore, the probability is approximately 0.4775 or 47.75%.

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(a) p: "There is one and only one real solution to the equation [tex]x^2[/tex]."

(b) p -> q: "If it is sunny, then I will go for a walk."

(c) r: "Either I will go shopping or I will stay at home."

(d) "If it is sunny, then I will go for a walk."

(e) "I will go shopping or I will stay at home."

(f) p(a): "A is a prime number."

(a) Let p be the proposition "There is one and only one real solution to the equation [tex]x^2[/tex]."

Propositional logic representation: p

(b) q: "If it is sunny, then I will go for a walk."

Propositional logic representation: p -> q

(c) r: "Either I will go shopping or I will stay at home."

Propositional logic representation: r

(d) "If it is sunny, then I will go for a walk."

English representation: If it is sunny, I will go for a walk.

(e) "I will go shopping or I will stay at home."

English representation: I will either go shopping or stay at home.

(f) p(a): "A is a prime number."

Propositional logic representation: p(a)

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"the probability that a student plays video games given that the student is female." is an example of a conditional probability.The correct answer is option C.

A conditional probability is a probability that is based on certain conditions or events occurring. Out of the options provided, option C is an example of a conditional probability: "the probability that a student plays video games given that the student is female."

Conditional probability involves determining the likelihood of an event happening given that another event has already occurred. In this case, the event is a student playing video games, and the condition is that the student is female.

The probability of a female student playing video games may differ from the overall probability of any student playing video games because it is based on a specific subset of the population (female students).

To calculate this conditional probability, you would divide the number of female students who play video games by the total number of female students.

This allows you to focus solely on the subset of female students and determine the likelihood of them playing video games.

In summary, option C is an example of a conditional probability as it involves determining the probability of a specific event (playing video games) given that a condition (being a female student) is satisfied.

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The solution to the differential equation y'' + 4y = sec(2x) by variation of parameters is given by:

y(x) = -1/4 * [sec(2x) * sin(2x) + 2cos(2x)] + C1 * cos(2x) + C2 * sin(2x),

where C1 and C2 are arbitrary constants.

To solve the given differential equation using variation of parameters, we first find the complementary function, which is the solution to the homogeneous equation y'' + 4y = 0. The characteristic equation for the homogeneous equation is r^2 + 4 = 0, which gives us the roots r = ±2i.

The complementary function is therefore given by y_c(x) = C1 * cos(2x) + C2 * sin(2x), where C1 and C2 are arbitrary constants.

Next, we need to find the particular integral. Since the non-homogeneous term is sec(2x), we assume a particular solution of the form:

y_p(x) = u(x) * cos(2x) + v(x) * sin(2x),

where u(x) and v(x) are functions to be determined.

Differentiating y_p(x) twice, we find:

y_p''(x) = (u''(x) - 4u(x)) * cos(2x) + (v''(x) - 4v(x)) * sin(2x) + 4(u(x) * sin(2x) - v(x) * cos(2x)).

Plugging y_p(x) and its derivatives into the differential equation, we get:

(u''(x) - 4u(x)) * cos(2x) + (v''(x) - 4v(x)) * sin(2x) + 4(u(x) * sin(2x) - v(x) * cos(2x)) + 4(u(x) * cos(2x) + v(x) * sin(2x)) = sec(2x).

To solve for u''(x) and v''(x), we equate the coefficients of the terms with cos(2x) and sin(2x) separately:

For the term with cos(2x): u''(x) - 4u(x) + 4v(x) = 0,

For the term with sin(2x): v''(x) - 4v(x) - 4u(x) = sec(2x).

Solving these equations, we find u(x) = -1/4 * sec(2x) * sin(2x) - 1/2 * cos(2x) and v(x) = 1/4 * sec(2x) * cos(2x) - 1/2 * sin(2x).

Substituting u(x) and v(x) back into the particular solution form, we obtain:

y_p(x) = -1/4 * [sec(2x) * sin(2x) + 2cos(2x)].

Finally, the general solution to the differential equation is given by the sum of the complementary function and the particular integral:

y(x) = y_c(x) + y_p(x) = -1/4 * [sec(2x) * sin(2x) + 2cos(2x)] + C1 * cos(2x) + C2 * sin(2x).

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Step-by-step explanation:

since there is no graph it's a bit hard to answer this question, but I'll try. I can help solve the equation that represents the ratio of the two numbers:

(x + 1/2)/y = 1/3

This can be simplified to:

x + 1/2 = y/3

To graph this equation, you would need to plot points that satisfy the equation. One way to do this is to choose a value for y and solve for x. For example, if y = 6, then:

x + 1/2 = 6/3

x + 1/2 = 2

x = 2 - 1/2

x = 3/2

So one point on the graph would be (3/2, 6). You can choose different values for y and solve for x to get more points to plot on the graph. Once you have several points, you can connect them with a line to show the relationship between x and y.

(Like I said, it was a bit hard to answer this question, so I'm not 100℅ sure this is the correct answer, but if it is then I hoped it helped.)

(a) True. A homogeneous linear system with more unknowns than equations will always have infinitely many solutions, including a nontrivial solution.

(b) True. The reduced row echelon form of a singular matrix will have at least one row of zeros.

(c) True. If the linear system Ax=b has a unique solution, it implies that the matrix A is invertible, and therefore, the linear system Ax=c will also have a unique solution.

(d) True. The expression of an invertible matrix A as a product of elementary matrices is unique.

(a) If a homogeneous linear system has more unknowns than equations, it means there are free variables present. The presence of free variables guarantees the existence of nontrivial solutions since we can assign arbitrary values to the free variables.

(b) The reduced row echelon form of a singular matrix will have at least one row of zeros because a singular matrix has linearly dependent rows. Row operations during the reduction process will not change the linear dependence, resulting in a row of zeros in the reduced form.

(c) If the linear system Ax=b has a unique solution, it means the matrix A is invertible. An invertible matrix has a unique inverse, and thus, for any vector c, the linear system Ax=c will also have a unique solution.

(d) The expression of an invertible matrix A as a product of elementary matrices is unique. This is known as the LU decomposition of a matrix, and it states that any invertible matrix can be decomposed into a product of elementary matrices in a unique way.

By justifying the answers to each true-false question, we establish the logical reasoning behind the statements and demonstrate an understanding of linear systems and matrix properties.

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To find the value of k such that the given lines are perpendicular, we can use the fact that the direction vectors of two perpendicular lines are orthogonal to each other.

Let's consider the direction vectors of the given lines:

Direction vector of Line 1: [(3k+1), 2, 2k]

Direction vector of Line 2: [3, -2k, -3]

For the lines to be perpendicular, the dot product of the direction vectors should be zero:

[(3k+1), 2, 2k] · [3, -2k, -3] = 0

Expanding the dot product, we have:

(3k+1)(3) + 2(-2k) + 2k(-3) = 0

9k + 3 - 4k - 6k = 0

9k - 10k + 3 = 0

-k + 3 = 0

-k = -3

k = 3

Therefore, the value of k that makes the two lines perpendicular is k = 3.

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The probability that at least three of them would end up trading at or above their initial offering price is P(X ≥ 3) = 0.9826

.The probability of an Internet stock ending up trading at or above its initial offering price is:1 - 0.119 = 0.881If you were an investor who purchased five Internet stocks at their initial offering prices, the probability that at least three of them would end up trading at or above their initial offering price is:

P(X ≥ 3) = 1 - P(X ≤ 2)

We can solve this problem by using the binomial distribution. Thus:

P(X ≥ 3) = 1 - [P(X = 0) + P(X = 1) + P(X = 2)]P(X = k) = nCk × p^k × q^(n-k)

where, n is the number of trials or Internet stocks, k is the number of successes, p is the probability of success (Internet stock trading at or above its initial offering price), q is the probability of failure (Internet stock trading below its initial offering price), and nCk is the number of combinations of n things taken k at a time.

We are given that we purchased five Internet stocks.

Thus, n = 5. Also, p = 0.881 and q = 0.119.

Thus:

P(X ≥ 3) = 1 - [P(X = 0) + P(X = 1) + P(X = 2)] = 1 - [(5C0 × 0.881^0 × 0.119^5) + (5C1 × 0.881^1 × 0.119^4) + (5C2 × 0.881^2 × 0.119^3)]≈ 0.9826

Therefore, P(X ≥ 3) = 0.9826 (rounded to four decimal places).

Hence, the correct answer is:P(X ≥ 3) = 0.9826

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The missing values of the given triangle DEF would be listed below as follows:

<D = 40°

<E = 90°

line EF = 50.6

To determine the missing part of the triangle, the Pythagorean formula should be used and it's giving below as follows:

C² = a²+b²

where;

c = 80

a = 62

b = EF = ?

That is;

80² = 62²+b²

b² = 80²-62²

= 6400-3844

= 2556

b = √2556

= 50.6

Since <E= 90°

<D = 180-90+50

= 180-140

= 40°

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A bag contains 24 green marbles, 22 blue marbles, 14 yellow marbles, and 12 red marbles. The probability of randomly picking a marble that is not blue is 25/36.

Given,

Total number of marbles = 24 green marbles + 22 blue marbles + 14 yellow marbles + 12 red marbles = 72 marbles
We have to find the probability that we pick a marble that is not blue.

Let's calculate the probability of picking a blue marble:

P(blue) = Number of blue marbles/ Total number of marbles= 22/72 = 11/36

Now, probability of picking a marble that is not blue is given as:

P(not blue) = 1 - P(blue) = 1 - 11/36 = 25/36

Therefore, the probability of selecting a marble that is not blue is 25/36 or 0.69 (approximately). Hence, the correct answer is P(not blue) = 25/36.

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The expression log74x + 2log72y simplifies to log716xy^2. Answer: d) log716xy^2

To simplify the expression log74x + 2log72y, we can use the logarithmic property that states loga(b) + loga(c) = loga(bc). This means that we can combine the two logarithms with the same base (7) by multiplying their arguments:

log74x + 2log72y = log7(4x) + log7(2y^2)

Now we can use another logarithmic property that states nloga(b) = loga(b^n) to move the coefficients of the logarithms as exponents:

log7(4x) + log7(2y^2) = log7(4x) + log7(2^2y^2)

= log7(4x) + log7(4y^2)

Finally, we can apply the first logarithmic property again to combine the two logarithms into a single logarithm:

log7(4x) + log7(4y^2) = log7(4x * 4y^2)

= log7(16xy^2)

Therefore, the expression log74x + 2log72y simplifies to log716xy^2. Answer: d) log716xy^2

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 In the given game, if Carolyn removes the integer 2 on her first turn and $n=6$, we need to determine the sum of the numbers that Carolyn removes.

Let's analyze the game based on Carolyn's move. Since Carolyn removes the number 2 on her first turn, Paul must remove all the positive divisors of 2, which are 1 and 2. As a result, the remaining numbers are 3, 4, 5, and 6.
On Carolyn's second turn, she cannot remove 3 because it is a prime number. Similarly, she cannot remove 4 because it has only one positive divisor remaining (2), violating the game rules. Thus, Carolyn cannot remove any number on her second turn.
According to the game rules, Paul then removes the rest of the numbers, which are 3, 5, and 6.
Therefore, the sum of the numbers Carolyn removes is 2, as she only removes the integer 2 on her first turn.
To summarize, when Carolyn removes the integer 2 on her first turn and $n=6$, the sum of the numbers Carolyn removes is 2.

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the complete question is:

  Carolyn and Paul are playing a game starting with a list of the integers $1$ to $n.$ The rules of the game are: $\bullet$ Carolyn always has the first turn. $\bullet$ Carolyn and Paul alternate turns. $\bullet$ On each of her turns, Carolyn must remove one number from the list such that this number has at least one positive divisor other than itself remaining in the list. $\bullet$ On each of his turns, Paul must remove from the list all of the positive divisors of the number that Carolyn has just removed. $\bullet$ If Carolyn cannot remove any more numbers, then Paul removes the rest of the numbers. For example, if $n=6,$ a possible sequence of moves is shown in this chart: \begin{tabular}{|c|c|c|} \hline Player & Removed \# & \# remaining \\ \hline Carolyn & 4 & 1, 2, 3, 5, 6 \\ \hline Paul & 1, 2 & 3, 5, 6 \\ \hline Carolyn & 6 & 3, 5 \\ \hline Paul & 3 & 5 \\ \hline Carolyn & None & 5 \\ \hline Paul & 5 & None \\ \hline \end{tabular} Note that Carolyn can't remove $3$ or $5$ on her second turn, and can't remove any number on her third turn. In this example, the sum of the numbers removed by Carolyn is $4+6=10$ and the sum of the numbers removed by Paul is $1+2+3+5=11.$ Suppose that $n=6$ and Carolyn removes the integer $2$ on her first turn. Determine the sum of the numbers that Carolyn removes.

The statement that the constraint that illustrates the consumption of a given resource in making the two products is given by: 3X1+5X2 ≤ 120. This relationship implies that both products can consume more than 120 units of that resource. is False.

The constraint 3X1 + 5X2 ≤ 120 indicates that the combined consumption of products X1 and X2 must be less than or equal to 120 units of the given resource. This constraint sets an upper limit on the total consumption, not a lower limit.

Therefore, the statement that both products can consume more than 120 units of that resource is false.

If the constraint were 3X1 + 5X2 ≥ 120, then it would imply that both products can consume more than 120 units of the resource. However, in this case, the constraint explicitly states that the consumption must be less than or equal to 120 units.

To satisfy the given constraint, the company needs to ensure that the total consumption of products X1 and X2 does not exceed 120 units. If the combined consumption exceeds 120 units, it would violate the constraint and may result in resource shortages or inefficiencies in the production process.

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To calculate Harriet Marcus' monthly payment and total cost of interest, we need to use the loan payment formula and the interest rate tables.

a) Monthly payment: Assuming Harriet puts 25% down on a $60,000 cottage, the loan amount is $45,000. Using Table 15.1(a) with a loan term of 25 years and an interest rate of 11%, the factor from the table is 0.008614. The monthly payment can be calculated using the loan payment formula:

[tex]\[ \text{Monthly payment} = \text{Loan amount} \times \text{Loan factor} \]\[ \text{Monthly payment} = \$45,000 \times 0.008614 \]\[ \text{Monthly payment} \approx \$387.63 \][/tex]

b) Total cost of interest: The total cost of interest over the cost of the loan can be calculated by subtracting the loan amount from the total payments made over the loan term. Using the monthly payment calculated in part (a) and the loan term of 25 years, the total payments can be calculated:

[tex]\[ \text{Total payments} = \text{Monthly payment} \times \text{Number of payments} \]\[ \text{Total payments} = \$387.63 \times (25 \times 12) \]\[ \text{Total payments} \approx \$116,289.00 \][/tex]

The total cost of interest can be found by subtracting the loan amount from the total payments:

[tex]\[ \text{Total cost of interest} = \text{Total payments} - \text{Loan amount} \]\[ \text{Total cost of interest} = \$116,289.00 - \$45,000 \]\[ \text{Total cost of interest} \approx \$71,289.00 \][/tex]

e) Savings in interest cost between 11% and 14.5%: To find the savings in interest cost, we need to calculate the total cost of interest for each interest rate and subtract them. Using the loan amount of $45,000 and a loan term of 25 years:

For 11% interest:

Total payments = Monthly payment × Number of payments = \$387.63 × (25 × 12) ≈ \$116,289.00

For 14.5% interest:

Total payments = Monthly payment × Number of payments = \$387.63 × (25 × 12) ≈ \$134,527.20

Savingsin interest cost = Total cost of interest at 11% - Total cost of interest at 14.5% =\$116,289.00 - \$134,527.20 ≈ -\$18,238.20

Therefore, the savings in interest cost between 11% and 14.5% is approximately -$18,238.20.

f) Difference in interest with a 30-year loan term: To calculate the difference in interest, we need to recalculate the total cost of interest for both interest rates using a loan term of 30 years instead of 25. Using the loan amount of $45,000 and 30 years as the loan term:

For 11% interest:

Total payments = Monthly payment × Number of payments =\$387.63 × (30 × 12) ≈ \$139,645.20

For 14.5% interest:

Total payments = Monthly payment × Number of payments =\$387.63 × (30 × 12) ≈ \$162,855.60

Difference in interest = Total cost of interest at 11% - Total cost of interest at 14.5% = \$139,645.20 - \$162,855.60 ≈

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The payoff matrix for the given game of war would be shown as:

Self\OpponentDSD120-75250-75AB120-75250-75

The given game of war can be represented in the form of a payoff matrix with row player as self, which can be constructed by considering the following terms:

Full defense (D)

Split defense (S)

Attack by air (A)

Attack by sea (B)

Payoff matrix will be constructed on the basis of three outcomes:If the attack is met with no defense, 120 points will be awarded. If the attack is met with full defense, 250 points will be awarded. If the attack is met with a split defense, 75 points will be awarded.So, the payoff matrix for the given game of war can be shown as:

Self\OpponentDSD120-75250-75AB120-75250-75

Hence, the constructed payoff matrix for the game of war represents the outcomes in the form of points awarded to the players.

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Answer: -24x^2+28x

Step-by-step explanation: -4x*6x-(-4x)*7 to -24x^2+28x

The expressions for the length, width, and height of the open box are L- 2x, W- 2x, x respectively.The diagram shows that the metalworker cuts equal squares from each corner of the sheet of metal.

To find the expressions for the length, width, and height of the open box, we need to understand how the sheet of metal is being cut to form the box.

When the metalworker cuts equal squares from each corner of the sheet, the resulting shape will be an open box. Let's assume the length and width of the sheet of metal are denoted by L and W, respectively.

1. Length of the open box:

To find the length, we need to consider the remaining sides of the sheet after cutting the squares from each corner. Since squares are cut from each corner,

the length of the open box will be equal to the original length of the sheet minus twice the length of one side of the square that was cut.

Therefore, the expression for the length of the open box is:

Length = L - 2x, where x represents the length of one side of the square cut from each corner.

2. Width of the open box:

Similar to the length, the width of the open box can be calculated by subtracting twice the length of one side of the square cut from each corner from the original width of the sheet.

The expression for the width of the open box is:

Width = W - 2x, where x represents the length of one side of the square cut from each corner.

3. Height of the open box:

The height of the open box is determined by the length of the square cut from each corner. When the metalworker folds the remaining sides to form the box, the height will be equal to the length of one side of the square.

Therefore, the expression for the height of the open box is:

Height = x, where x represents the length of one side of the square cut from each corner.

In summary:

- Length of the open box = L - 2x

- Width of the open box = W - 2x

- Height of the open box = x

Remember, these expressions are based on the assumption that equal squares are cut from each corner of the sheet.

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To find the value of y when log(7y-5) equals 2, we need to solve the logarithmic equation. By exponentiating both sides with base 10, we can eliminate the logarithm and solve for y. In this case, the value of y is 6.

To solve the equation log(7y-5) = 2, we can eliminate the logarithm by exponentiating both sides with base 10. By doing so, we obtain the equation 10^2 = 7y - 5, which simplifies to 100 = 7y - 5.

Next, we solve for y:

100 = 7y - 5

105 = 7y

y = 105/7

y = 15

Therefore, the value of y that satisfies the equation log(7y-5) = 2 is y = 15.

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The graphed function cannot be considered linear.

No, the graphed function is not linear.

The statement "No, because the curve indicates that the rate of change is not constant" is the correct explanation. For a function to be linear, it must have a constant rate of change, meaning that as the inputs increase by a constant amount, the outputs also increase by a constant amount. In other words, the graph of a linear function would be a straight line.

If the graph shows a curve, it indicates that the rate of change is not constant. Different portions of the curve may have varying rates of change, which means that the relationship between the input and output values is not linear. Therefore, the graphed function cannot be considered linear.

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There are 1296 ways the promoter can select which cans to use for the taste test.

To solve this problem, we can use the concept of combinations.

First, let's determine the number of ways to select 2 cans of Diet Coke from the 9 available cans. We can use the combination formula, which is nCr = n! / (r! * (n-r)!), where n is the total number of items and r is the number of items to be selected. In this case, n = 9 and r = 2.

Using the combination formula, we have:
9C2 = 9! / (2! * (9-2)!) = 9! / (2! * 7!) = (9 * 8) / (2 * 1) = 36

Therefore, there are 36 ways to select 2 cans of Diet Coke from the 9 available cans.

Similarly, there are also 36 ways to select 2 cans of Coke Zero from the 9 available cans.

To find the total number of ways the promoter can select which cans to use for the taste test, we multiply the number of ways to select 2 cans of Diet Coke by the number of ways to select 2 cans of Coke Zero:

36 * 36 = 1296

Therefore, there are 1296 ways the promoter can select which cans to use for the taste test.

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Answer:

the answer should be, A. im pretty good at this kind of thing so It should be right but if not, sorry.

Step-by-step explanation:

Answer:  1/30 fraction of the songs in Devin's music library are rock songs that feature a guitar solo.

To find the fraction of songs in Devin's music library that are rock songs featuring a guitar solo, we can multiply the fractions.

The fraction of rock songs in Devin's music library is 1/3, and the fraction of rock songs featuring a guitar solo is 1/10. Multiplying these fractions, we get (1/3) * (1/10) = 1/30.

Therefore, 1/30 of the songs in Devin's music library are rock songs that feature a guitar solo.

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Counterexample: Let x = 2.5 and y = 1.5. Then [xy] = [3.75] = 3, while [x]·[y] = [2]·[1] = 2.

To show that the statement is false, we need to find specific values for x and y where [xy] and [x] · [y] are not equal.

Counterexample: Let x = 2.5 and y = 1.5.

To find [xy], we multiply x and y: [xy] = [2.5 * 1.5] = [3.75].

To find [x] · [y], we calculate the floor value of x and y separately and then multiply them: [x] · [y] = [2] · [1] = [2].

In this case, [xy] = [3.75] = 3, and [x] · [y] = [2] = 2.

Therefore, [xy] and [x] · [y] are not equal, as 3 is not equal to 2.

This counterexample disproves the statement for the specific values of x = 2.5 and y = 1.5, showing that for all real numbers x and y, [xy] is not always equal to [x] · [y].

The floor function [x] denotes the greatest integer less than or equal to x.

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In Problem 3, the Law of Sines can be used to find the heights of the triangle. The Law of Sines relates the lengths of the sides of a triangle to the sines of their opposite angles. The formula for the Law of Sines is as follows:

a/sin(A) = b/sin(B) = c/sin(C)

where a, b, and c are the side lengths of the triangle, and A, B, and C are the opposite angles.

To find the heights of the triangle using the Law of Sines, we need to know the lengths of at least one side and its opposite angle. In the given problem, the lengths of the sides a = 9 and b = 4 are provided, but the angles A, B, and C are not given. Without the measures of the angles, we cannot directly apply the Law of Sines to find the heights.

To find the heights, we would need additional information, such as the measures of the angles or the lengths of another side and its opposite angle. With that additional information, we could set up the appropriate ratios using the Law of Sines to solve for the heights of the triangle.

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To find the least number that is a perfect cube and exactly divisible by 6 and 9, we need to find the least common multiple (LCM) of 6 and 9.

The prime factorization of 6 is [tex]\displaystyle 2 \times 3[/tex], and the prime factorization of 9 is [tex]\displaystyle 3^{2}[/tex].

To find the LCM, we take the highest power of each prime factor that appears in either number. In this case, the highest power of 2 is [tex]\displaystyle 2^{1}[/tex], and the highest power of 3 is [tex]\displaystyle 3^{2}[/tex].

Therefore, the LCM of 6 and 9 is [tex]\displaystyle 2^{1} \times 3^{2} =2\cdot 9 =18[/tex].

Now, we need to find the perfect cube number that is divisible by 18. The smallest perfect cube greater than 18 is [tex]\displaystyle 2^{3} =8[/tex].

However, 8 is not divisible by 18.

The next perfect cube greater than 18 is [tex]\displaystyle 3^{3} =27[/tex].

Therefore, the least number that is a perfect cube and exactly divisible by both 6 and 9 is 27.

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Answer:

Step-by-step explanation:

216 = 6³   216/9 = 24  216/6 = 36

The frequency table reveals that the majority of exam scores fall within the ranges of 76 to 81 and 70 to 75, each containing five scores.

To create a frequency table using 6-point bins, we can group the exam scores into the following ranges:

Now, let's count the number of scores falling into each bin:

94 to 99: 1 (1 score falls into this range)

88 to 93: 2 (89 and 91 fall into this range)

82 to 87: 2 (83 and 85 fall into this range)

76 to 81: 5 (79, 77, 77, 76, and 78 fall into this range)

70 to 75: 5 (75, 75, 71, 74, and 73 fall into this range)

64 to 69: 3 (65, 68, and 67 fall into this range)

The frequency table for the set of exam scores is as follows:

Score Range Frequency

94 to 99            1

88 to 93            2

82 to 87     2

76 to 81            5

70 to 75            5

64 to 69            3

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Answer:

The phrase that is usually associated with addition is:

d. the total of two numbers

Step-by-step explanation:

Addition is the mathematical operation of combining two or more numbers to find their total or sum. When we add two numbers together, we are determining the total value or amount resulting from their combination. Therefore, "the total of two numbers" is the phrase commonly associated with addition.

Answer:

D. The total of two numbers

Step-by-step explanation:

We are left with D, addition is essentially taking 2 or more numbers and adding them, the result is usually called "sum" or total.

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