第 5 个问题 a multiple choice exam has 10 questions. each question has 3 possible answers, of which one is correct. a student knows the correct answers to 4 questions and guesses the answers to the other 6 questions. it turns out that the student answered the first question correctly. what are the chances that the student was merely guessing?

Answer:

28

Step-by-step explanation:

700 x 4% = 700 x 0.04 = 28

Answer:

A

Step-by-step explanation:

Williams is making a statement about death in general.

An interpretation is part of a hermeneutical exercise focused on extracting the sense or the meaning of a text. As such, it is fully a subjective exercise, but, as Nietzsche would have it, that does not mean that any interpretation is accurate, there are certainly ones that are more correct than others. For this reason, it is important, when interpreting a text, to be attentive of the text´s actual content and motivation in order to extract an idea that is merely implicit in it. In this case, death in general is the object of th

Answer/Step-by-step explanation:

✔️Volume of right cylinder = πr²h

Where,

π = 3.14

radius (r) = 4 cm

height (h) = 3 cm

Plug in the values into the formula

Volume of cylinder = 3.14*4²*3

= 150.72 cu cm

✔️Volume of cone = ⅓πr²h

Where,

π = 3.14

radius (r) = 5 cm

height (h) = 12 cm

Plug in the values into the formula

Volume of cylinder = ⅓*3.14*5²*12

= 314 cu cm

✔️Volume of pyramid = ⅓*Bh

Where,

Base area (B) = 16 cm²

height (h) = 30 cm

Substitute

Volume of pyramid = ⅓*16*30

= 160 cu cm

✔️Volume of square pyramid = ⅓*s²*h

Where,

Length of square base (s) = 3 cm

Height (h) = 16 cm

Substitute

Volume of square pyramid = ⅓*3²*16

= 48 cu cm

The straw will extend past the edge of the glass in a straight line. To find the answer, subtract the diameter of the glass (5cm) from the length of the straw (15 cm): 15 cm - 5 cm = 10 cm. This is the distance the straw will extend past the edge of the glass. To round to the nearest tenth, round 10.0 up to 10.1. Therefore, the straw will extend past the edge of the glass 10.1 cm.

Answer: y = 2x + 6

Step-by-step explanation:

Slope-Intercept form is represented by y = mx + b, whereas m represents the slope and b represents the y-intercept.

m = 2 is the slope (up 2 units, over 1 unit) and the line goes through 6 on the y-axis, which is where + 6 comes in.

The line also goes through (-3, 0) using the slope.

Answer:

Is the answer 0.244? Not sure whether you are asking for help or asking for others to do.

The sentence can be translated intο the equatiοn is 3c + 6 = 2

A linear equatiοn is a mathematical equatiοn that can be written in the fοrm οf "ax + b = c", where "a", "b", and "c" are cοnstants and "x" is the variable being sοlved fοr. Linear equatiοns describe a straight line relatiοnship between variables.

The sentence can be translated intο the equatiοn:

3c + 6 = 2

In this equatiοn, "c" represents the unknοwn number that we are trying tο sοlve fοr.

The equatiοn states that "Six mοre than the prοduct οf a number and 3 equals 2," which can be written mathematically as "3c + 6 = 2."

Tο sοlve fοr "c," we need tο isοlate it οn οne side οf the equatiοn. We can dο this by subtracting 6 frοm bοth sides:

3c + 6 - 6 = 2 - 6

Simplifying:

3c = -4

Finally, we can sοlve fοr "c" by dividing bοth sides by 3:

c = -4/3

Therefοre, the value οf the unknοwn number "c" is -4/3

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Answer:

\(y = -\frac{1}{2}x -7\)

Step-by-step explanation:

\((-2,-6) =(x_1,y_1)\\\\m = -\frac{1}{2}\)

Substitute values into point-slope form

\(y-y_1=m(x-x_1)\\\\y -(-6)=-\frac{1}{2} (x -(-2))\\\\y+6 = -\frac{1}{2} (x+2)\\\\y +6 =-\frac{1}{2}x -1\\\\y =-\frac{1}{2}x -1-6\\\\y = -\frac{1}{2}x -7\)

Answer:

2/3

Step-by-step explanation:

To write 10/15 in simplest form we have to:

Find the GCD (Greater common divisor)  of numerator and denominator

⇒ GCD of 10 and 15 is 5

Now, Divide both the numerator and denominator by the GCD

10 ÷ 5 = 2

15 ÷ 5 = 3

Numerator = 2

Denominator = 3

Therefore, 10/15 simplified to lowest terms is 2/3.

Kavinsky

Probability that exactly 8 online bankers have not profited from insider information is C(15, 8) * 0.3^8 * (1 - 0.3)^(15 - 8).

Using the binomial distribution formula and rounding to four decimal places, we can calculate these probabilities and expected values.

To solve these probability problems, we can use the binomial distribution formula:

P(x) = C(n, x) * p^x * (1 - p)^(n - x)

where:

P(x) is the probability of x successes,

C(n, x) is the number of combinations of n items taken x at a time,

p is the probability of success in one trial, and

n is the number of trials.

In this case, let's calculate the probabilities step by step:

Probability that exactly 8 online bankers have not profited from insider information:

n = 15 (number of trials), x = 8 (number of successes), p = 0.3 (probability of success)

P(8) = C(15, 8) * 0.3^8 * (1 - 0.3)^(15 - 8)

Probability that at most 5 online bankers have profited from insider information:

P(x ≤ 5) = P(0) + P(1) + P(2) + P(3) + P(4) + P(5)

= P(0) + P(1) + P(2) + P(3) + P(4) + P(5)

Probability that not all selected online bankers have profited from insider information:

P(not all) = 1 - P(all)

Probability that more than 12 online bankers have profited from insider information:

P(x > 12) = P(13) + P(14) + P(15)

Expected number of online bankers who have profited from insider information:

E(x) = n * p

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For the expression u + v ≠ v + u, and the commutative property does not hold.

The given operations and sets on R2 do not form a vector space because the commutative property fails.

This means that if u = (u1, u2) and v = (v1, v2),

then u + v ≠ v + u.

Here is the proof:

Let u = (1, 0) and v = (0, 1).

Then,

u + v = (2(1) + 2(0),

2(0) + 2(1)) = (2, 2)

and

v + u = (2(0) + 2(1), 2(1) + 2(0)) = (2, 2)

Therefore, u + v = v + u, and this property holds as expected.

However, let u = (1, 0) and v = (0, -1).

Then, u + v = (2(1) + 2(0),

2(0) + 2(-1)) = (2, -2)

and

v + u = (2(0) + 2(-1),

2(1) + 2(0))

= (-2, 2)

Therefore, u + v ≠ v + u, and the commutative property does not hold.

Since the commutative property fails, the set of operations on R2 is not a vector space.

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Answer:

1952

Step-by-step explanation:

Just add lol

Answer:

When cooper was 15 years old, he scored an 85 on an iq test. he took the test again when he was 35 years old and scored an 85 again. this indicates that the iq test is highly: __________

Reliable

Because his scores were so close together the test would be considered as Reliable.

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The volume of the prism is 1500 m³.

For calculating the volume of the given prism, we need to calculate the area of the top triangle and the area of the bottom triangle.

Base of the top triangle, b = (7 + 9) / 2 = 8 m

Height of the top triangle, h = 10 m

Area of the top triangle, A = 1/2bh

A = 1/2 x 8 x 10

A = 40 m²

Area of bottom triangle, A' = (1/2) x bh

A' = (1/2) x 12 x 5

A' = 30 m²

Volume of prism, V = height x [A + A' + (2 x Average area of front and back rectangles)]

V = 10 x [(40 + 30 + (2 x (1/2) x 8 x 10)]

V = 1500 m³

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The minors of the 2 x 3 matrix are -3, -2, -1, 9, -2, -3, 6, and 5. The cofactors are -18, 16, 5, -3, -18, 18, 3, -12, and -5.

Minor of 2: -3

Cofactor of 2: -18

Minor of -8: -2

Cofactor of -8: 16

Minor of 5: -1

Cofactor of 5: 5

Minor of 3: 9

Cofactor of 3: -3

Minor of 9: -2

Cofactor of 9: -18

Minor of 6: -3

Cofactor of 6: 18

Minor of -1: -3

Cofactor of -1: 3

Minor of -2: 6

Cofactor of -2: -12

Minor of -3: 5

Cofactor of -3: -5

The minors of the 2 x 3 matrix are -3, -2, -1, 9, -2, -3, 6, and 5. The cofactors are -18, 16, 5, -3, -18, 18, 3, -12, and -5.

The given 2 x 3 matrix is composed of the values 2, -8, 5, 3, 9, 6, -1, -2, and -3. The minors of the matrix can be found by using the Laplace expansion formula and removing the row and column of the element in question. This yields the minors -3, -2, -1, 9, -2, -3, 6, and 5. The cofactors of the matrix can be calculated by taking the determinant of the minor and multiplying it by the sign of the element in question. This results in the cofactors -18, 16, 5, -3, -18, 18, 3, -12, and -5.

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The graph of y = f(x) is concave up for x ∈ (0, (8/13)²) and concave down for x ∈ ((8/13)², ∞). The point of inflection occurs at x = (8/13)².

To determine the intervals on which the graph of y = f(x) is concave up or concave down, we need to find the second derivative of f(x) and analyze its sign.

Given f(x) = x(x - 9√x), we can find the second derivative by differentiating twice.

First, let's find the first derivative:

f'(x) = 2x - 9/2√x - 9/2x√x.

Now, let's find the second derivative:

f''(x) = 2 - 9/(4√x) - 9/2√x - 9/4√x.

To determine the intervals of concavity, we need to analyze the sign of the second derivative.

For concave up: f''(x) > 0.

2 - 9/(4√x) - 9/2√x - 9/4√x > 0.

For concave down: f''(x) < 0.

2 - 9/(4√x) - 9/2√x - 9/4√x < 0.

Now, let's solve these inequalities:

For concave up:

2 - (9/4√x)(1 + 2 + 1) > 0.

2 - 13/4√x > 0.

√x < 8/13.

Taking the square of both sides, we get:

x < (8/13)².

For concave down:

2 - (9/4√x)(1 + 2 + 1) < 0.

2 - 13/4√x < 0.

√x > 8/13.

Taking the square of both sides, we get:

x > (8/13)².

So, the intervals on which the graph is concave up are (0, (8/13)²) and the intervals on which the graph is concave down are ((8/13)², ∞).

To find the points of inflection, we need to determine where the concavity changes. This occurs when the second derivative changes sign or is equal to zero.

Setting f''(x) = 0 and solving for x, we get:

2 - 9/(4√x) - 9/2√x - 9/4√x = 0.

Simplifying, we have:

2 - (13/4√x)(1 + 2 + 1) = 0.

2 - 13/4√x = 0.

√x = 8/13.

Squaring both sides, we find:

x = (8/13)².

Therefore, the point of inflection occurs at x = (8/13)².

The graph of y = f(x) is concave up for x ∈ (0, (8/13)²) and concave down for x ∈ ((8/13)², ∞). The point of inflection occurs at x = (8/13)².

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Answer:

multiply both sides by 4

Step-by-step explanation:

Given the expression

1/4 x = -10

The first step is to multiply both sides by 4 using the multiplicative property of equality

1/4 x * 4 = -10 * 4

x * 1 = -40

x = -40

Hence the first step is to multiply both sides by 4

Line segment AB is a straight line connecting two distinct points, A and B, on a plane. It has a start point (A) and an endpoint (B) and can be measured by its length.

Line segment AB is a straight line that connects two distinct points, A and B, on a plane. It is the shortest distance between two points, and is always a straight line. A line segment can be measured by its length, which is the distance between its start point (A) and its endpoint (B). It can also be measured by its midpoint, which is the point on the line that is equidistant from both A and B. Line segments can be used to create many different shapes and figures, such as triangles and polygons. Line segments can also be used to measure distances on a map, or to illustrate a path from one location to another. Line segment AB can be used to represent any two points on a plane, and is a fundamental building block of geometry.

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Answer:

can you click a full photo of this question.

Answer:

20 and 10

These are the only two possible numbers who match those descriptions.

Answer:

Step-by-step explanation:

1. (2m - 8n + 6) + (4n - 3) =  2m - 4n +3

2. (4y2 - 3xy + x2) + (y2 + 3xy + 3x2) =  4 -  6xy + 4x2

3. (8x + 7) + (2x - 6) = 10x + 1

4. (n + 5) + (2n + 7) =  3n + 12 which can also be written as common factor;  3(n +4).

5. (2a + 8) + (a + 2) =  3a + 10

6. (4m + 3n - p) + (2p - 3n + 2m) =  6m + p

7. (5x2 - 3x + 6) + (x2 + 5x - 15) =  6x^2 + 2x - 9

8. (3d - 4e + 6) + (2d +5e + 1) =  d - e + 6

9. (5x - 3y) + (10y - 4z) + (2x - 3z) = 7x + 7y - 7z

10. (2a + 3) + (a - 9) = 3a - 6,  common factor 3 (a-2)



Total price paid by Michael for the basket of mangoes is $4.48.

For the calculation of total price, price of sales tax will be added with selling price. Forming the equation -

Total price = 4 + 12%×4

Calculating the percentage of sales tax on Right Hand Side of the equation

Total price = 4 + 12×4/100

Solving the percentage part on Right Hand Side of the equation

Total price = 4 + 0.48

Performing addition on Right Hand Side of the equation

Total price = $4.48

Hence, Michael has to pay $4.48 after addition of sales tax for the basket of mangoes.

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If actual production totals 8,000 units, the flexible budget would still show fixed costs of $3.00 per unit. The fixed costs per unit remain the same regardless of the actual production volume.

The static budget was developed based on an expected volume of 7,000 units, with fixed costs amounting to $3.00 per unit.

However, even if the actual production totals 8,000 units, the fixed costs per unit would remain unchanged at $3.00.

This is because fixed costs are not affected by changes in production volume within the relevant range.

The fixed costs represent the expenses that do not vary with the level of production and remain constant regardless of the actual volume of units produced.

Therefore, the flexible budget would still show fixed costs of $3.00 per unit when the actual production is 8,000 units.

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Answer:

When

when x = - 3 then y=. -10

when y = 2 then x =. -1

Answer:

*rolls eyes* I didn't think this would be the community where moderators are missed. Oh well, she clearly doesn't need help with differential calculus or Python so I wish her best.

Step-by-step explanation:

Answer:

oof that is messed up

The prime numbers that divide a positive integer exactly are said to be its prime factors. The pair of numbers be 2 × 2 × 2 × 7 and 2 × 2 × 2 × 2 × 2 then the LCM is \(2^5}\) × 7.

The prime numbers that divide a positive integer exactly are said to be its prime factors. Integer factorization, often known as prime factorization, is the process of locating these integers. According to the basic theorem of mathematics, each positive integer has a distinct prime factorization.

Finding a number's prime factors in a way that the original number may be divided equally by them is known as prime factorization. Since a composite number might have more than two factors, this method can only be used with composite numbers rather than prime numbers.

Let the pair of numbers be 2 × 2 × 2 × 7 and 2 × 2 × 2 × 2 × 2

The prime factorization of the two numbers are 2³ × 7 and \(2^5}\).

The highest power of 2 is \(2^5}\)

The highest power of 7 is 7

Therefore, the LCM is \(2^5}\) × 7.

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D. None of these, as neither option B nor option C can be obtained using the Law of Detachment.

The Law of Detachment states that if a conditional statement "if p, then q" is true and p is true, then q must also be true.

Analyzing the given options:

A. The conclusion "There is no school" can be obtained by applying the Law of Detachment to the given information, as it matches the format of the law: "If today is Saturday (p), then there is no school (q)." Since today is Saturday (p), the conclusion that "There is no school" (q) can be derived using the Law of Detachment.

B. The conclusion "He is able to buy a new set of headphones" is not directly obtained by using the Law of Detachment. It involves an additional conditional statement and is not in the form of the given "if p, then q" structure.

C. The conclusion "George lives in both Brick and Ocean County" cannot be derived using the Law of Detachment. It is not in the form of a conditional statement, and there is no given information that connects George's residence to the conditional statement provided. Therefore, D is the right answer. None of them are possible utilizing the Law of Detachment, as neither option B nor option C can be obtained. Therefore, Option D is correct.

The question was incomplete. find the full content below:

Which of the following conclusions is true AND obtained by using the Law of Detachment

A. If today is Saturday, then there is no school.

Today is Saturday.

There is no school.

B. If you work 8 hours, then you'll earn $100.

If you earn $100, you'll be able to buy a new set of headphones.

Jonathan works 8 hours.

He is able to buy a new set of headphones.

C. If a person lives in Long Beach Island, then they live in Ocean County.

Brick is in Ocean County.

George lives in both Brick and Ocean County

D. None of these.

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The negative correlation coefficient of -0.73 between consumption of vitamin A and the cancer rate of a particular type of cancer suggests that as vitamin A consumption increases, the cancer rate tends to decrease.

A correlation coefficient measures the strength and direction of the linear relationship between two variables.

In this case, a correlation coefficient of -0.73 indicates a negative correlation between consumption of vitamin A and the cancer rate.

Interpreting this correlation, it can be inferred that there is an inverse relationship between the two variables. As consumption of vitamin A increases, the cancer rate tends to decrease.

However, it is important to note that correlation does not imply causation.

It would be incorrect to conclude that consuming more vitamin A causes this type of cancer. Correlation does not provide information about the direction of causality.

Other factors and confounding variables may be involved in the relationship between vitamin A consumption and cancer rate.

To establish a causal relationship, further research, such as experimental studies or controlled trials, would be necessary. These types of studies can help determine whether there is a causal link between vitamin A consumption and the occurrence of this particular cancer.

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