If A = 5 1/2-2 3/4 (five and one half minus two and three fourths). what is A?​

Answer:

(-6, -7)

Step-by-step explanation:

For the x coordinates:

-1 - 4 = -5

-1 + -5 = -6

For the y coordinates:

-5 + -3 = -2

-5 + -2 = -7

I don't know how to explain it well sorry

the Greatest Common Divisor is 252 and it can be expressed as the linear combination -2 * 6,066 + 3 * 2,286.

The greatest common divisor (GCD) is the biggest positive integer that divides two or more integers without leaving a remainder. It's also referred to as the greatest common factor (GCF) or the highest common factor (HCF). The Euclidean procedure, which continually divides the greater of the two integers by the smaller until a remainder of zero is obtained, is one way to calculate the GCD. The GCD is a crucial idea in mathematics, notably in number theory, and it has several applications in other disciplines, such as computer science and encryption. Finding the greatest common divisor of the coefficients of a linear equation in two variables is another popular geometry task.

How to solve?

The Greatest Common Divisor of 6,066 and 2,286 can be expressed as 252 = 6,066 * (-2) + 2,286 * 3. So, the GCD is 252 and it can be expressed as the linear combination -2 * 6,066 + 3 * 2,286.

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Answer: 81

Step-by-step explanation:

Since x is given, just substitute the value.

5(10) + 31

50 + 31 = 81

\(\qquad\qquad\huge\underline{{\sf Answer}}\)

Let's evaluate ~

The given expression is :

\(\qquad \sf  \dashrightarrow \:5x + 1\)

now, plug in the values of x as 10

\(\qquad \sf  \dashrightarrow \:5(10) + 31\)

\(\qquad \sf  \dashrightarrow \:50 + 31\)

\(\qquad \sf  \dashrightarrow \:81\)

So, required value is 81

Answer:

I believe the answer is the third option.

Step-by-step explanation:

hope this helps and is right :)

Answer:

The first one seems like the only logical option

Step-by-step explanation:

How you tell, is if the sentence in side the dashes can be removed and the sentence still makes sense, then the dashes are being use correctly, for example the first sentence could be read the same and make sense as

"The parking lot was not a fun place to be"

the number of possible call letters of a radio station (8 letters long) if the first letter must be a W or a K and no letter is repeated is 4, 845, 456, 0000 call letter

From the given information, we need to find the number which is

First letter have only two possibility.

But we know that there are a total of 26 letters in alphabet.

First letter must be W or K. So remaining 25 letters.

The Remaining 7 letters can be any alphabet (25 letters)

We also know that np letters are repeated.

So, the  second letters have 25 possibility and the third letter have 24 possibility and so one;

Thus, we have

= 2 × 25 × 24 × 23 × 22 × 21 × 20 × 19

Multiply through

= 4, 845, 456, 0000 call letter

Thus, the number of possible call letters of a radio station (8 letters long) if the first letter must be a W or a K and no letter is repeated is 4, 845, 456, 0000 call letter

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a) Expected value = 50b.

b) Probability = 0.4c.

c) Probability that the game would take longer than 40 minutes is 0.2.

Let's discuss it further below.

In this question, we are given that the time required to play a certain game is uniformly distributed between 25 and 45 minutes. We are asked to find the expected value and variance of the time to complete the game, the probability of finishing within 33 minutes, and the probability that the game would take longer than 40 minutes.

a) To find the expected value and variance of the time to complete the game, we can use the following formulas:

Expected value = (minimum value + maximum value) / 2Variance = [(maximum value - minimum value)²] / 12

Using these formulas, we can calculate:

Expected value = (25 + 45) / 2 = 35Variance = [(45 - 25)²] / 12 = 50b.

b) To find the probability of finishing within 33 minutes, we can use the formula for a uniform distribution:

Probability = (x - minimum value) / (maximum value - minimum value)

Plugging in the values we know, we get:

Probability = (33 - 25) / (45 - 25) = 0.4c.

c) To find the probability that the game would take longer than 40 minutes, we can use the same formula as in part b, but with a different value for x:

Probability = (45 - 40) / (45 - 25) = 0.2

Therefore, the probability that the game would take longer than 40 minutes is 0.2.

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Answer:

-60

Step-by-step explanation:

     First do the operation in the inner most brackets.

{4 - [-2 - (1 + 3)] }*(-6) ={ 4 - [-2 - 4] } * (-6)

                          = { 4- [ -2 - 4] } * (-6)

                         = {4 - [-6] } * (-6)

                         = { 4 + 6} * (-6)

                           = 10 * (-6)

                            = -60

The disjunction of -p or -q can be written as (-p) v (-q). So, we have to find the truth value of (-p) v (-q). So, the compound statement for the disjunction of -p or -q is (-p) v (-q), and its truth value is true.

using the following statements: p: There are 14 inches in 1 foot.

q: There are 3 feet in 1 yard.

Solution: We know that 1 foot = 12 inches, which means that there are 14 inches in 1 foot can be written as 14 < 12. But this statement is false because 14 is not less than 12. Therefore, the negation of this statement is true, which gives us (-p) as true.

Now, we know that 1 yard = 3 feet, which means that there are 3 feet in 1 yard can be written as 3 > 1. This statement is true because 3 is greater than 1. Therefore, the negation of this statement is false, which gives us (-q) as false.

Now, we can use the values of (-p) and (-q) to find the truth value of (-p) v (-q) using the disjunction rule. The truth value of (-p) v (-q) is true if either (-p) or (-q) is true or both (-p) and (-q) are true. Since (-p) is true and (-q) is false, the disjunction of (-p) v (-q) is true. Hence, the compound statement for the disjunction of -p or -q is (-p) v (-q), and its truth value is true.

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The implied probability of default of one-year BB-rated debt is 0.0329, as given in option (d).

The implied probability of default, we need to consider the yields of the zero coupon bonds. However, the yields alone are not sufficient, as we also need to account for the credit rating of the debt.

Since the question specifically mentions one-year BB-rated debt, we can use the given yields to calculate the implied probability of default. The lower yield corresponds to a higher credit rating, while the higher yield corresponds to a lower credit rating.

By comparing the yields of the zero coupon bonds, we can deduce that the bond with the higher yield represents the BB-rated debt. Therefore, we select the yield associated with the higher credit risk.

According to the options given, option (d) corresponds to the implied probability of default of 0.0329, which is the correct answer.

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Answer:

The scale is: 1 cm = 3.26 meter

Step-by-step explanation:

Given

Height of Pyramid in Painting = \(H_p = 45 cm\)

Actual Height of Pyramid = \(H_a = 146.5m\)

In order to find the scale, we can find the ratio between actual height and height in painting.

The ratio can be found by dividing the actual height by height in painting

\(Scale = \frac{H_a}{H_p}\\= \frac{146.5}{45}\\=3.25555 m/cm\)

Rounding off to nearest hundredth

= 3.26

This means that the scale is:

1 cm = 3.26 meter

Calculate the percent by mass of hydrobromic acid in the mixture.
- Percent by mass = (mass of hydrobromic acid / total mass of mixture) x 100

Calculate the percent by mass of  perchloric acid in the mixture.
- Percent by mass = (mass of perchloric  acid / total mass of mixture) x 100

To find the percent by mass of hydrobromic acid in the mixture, we need to use the information given and perform a series of calculations.

1) For the first question:

- We are given a 7.46 g sample of an aqueous solution of hydrobromic acid.
- We know that 29.6 mL of 0.120 M potassium hydroxide are required to neutralize the hydrobromic acid.

To calculate the percent by mass, we need to determine the mass of hydrobromic acid and then divide it by the total mass of the mixture (sample + hydrobromic acid).

Here are the steps to solve the problem:

Step 1: Calculate the moles of potassium hydroxide used.
- Moles = volume (in L) x concentration (in mol/L)
- Moles = 0.0296 L x 0.120 mol/L

Step 2: Use the balanced chemical equation to determine the moles of hydrobromic acid used.
- The balanced equation is: 1 mole of hydrobromic acid reacts with 1 mole of potassium hydroxide.
- Since the moles of potassium hydroxide and hydrobromic acid are the same, we can say that the moles of hydrobromic acid used are also equal to 0.0296 L x 0.120 mol/L.

Step 3: Calculate the mass of hydrobromic acid used.
- Mass = moles x molar mass of hydrobromic acid
- The molar mass of hydrobromic acid (HBr) is approximately 80.9119 g/mol.
- Mass = 0.0296 L x 0.120 mol/L x 80.9119 g/mol

Step 4: Calculate the percent by mass of hydrobromic acid in the mixture.
- Percent by mass = (mass of hydrobromic acid / total mass of mixture) x 100
- Total mass of the mixture is the given sample mass of 7.46 g.

2) For the second question:

- We are given a 9.54 g sample of an aqueous solution of perchloric acid.
- We know that 18.3 mL of 0.887 M potassium hydroxide are required to neutralize the perchloric acid.

Follow the same steps as in the first question to calculate the percent by mass of perchloric acid in the mixture.

Remember to substitute the appropriate values and molar mass of perchloric acid (HClO4), which is approximately 100.46 g/mol.

By following these steps, you can find the percent by mass of hydrobromic acid and perchloric acid in their respective mixtures.

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true - searching for a value in a binary search tree takes O(log n) time.

a binary search tree is a data structure where each node has at most two children, and the left child is always smaller than the parent while the right child is always larger. This structure allows for efficient searching, as we can compare the value we are searching for with the value of the current node and traverse either the left or right subtree accordingly. By doing so, we can eliminate half of the remaining nodes with each comparison, leading to a time complexity of O(log n).

searching for a value in a binary search tree takes O(log n) time, which is a relatively efficient algorithmic complexity. However, it's important to note that this assumes the tree is balanced and does not take into account worst-case scenarios where the tree may be heavily skewed.

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Answer:

24 in^3

Step-by-step explanation:

Volume of the figure= 3 * (Volume of a cube with side 2)

Volume of the figure= 3*2^3=24 in^3

Answer:

24 cubic inches

Step-by-step explanation:

The formula for finding volume is b*h*w.

b*h*w is base multiplied my height multiplied my width. Lets use this formula to find the volume of one of cubes.

Here is the information we know about the cubes:

the base is 2 inches

the height is 2 inches

the width is 2 inches

Lets put this information into the formula to find the volume of one of the cubes. I will show the work in steps so it is easy to follow.

Step one: plug the given information into the formula.

b*h*w = 2*2*2

Step two: Solve the equation.

2*2*2 = 4*2 = 8

Now we have the volume of one on the cubes. This is 8 cubic inches. However, to find the volume of all three of the cubes we must multiply 8 by 3.

Step three: multiply 8 by 3.

8*3 = 24

And there you have it! Our final answer is 24 cubic inches.

Here is a quick review of what we did to get our answer:

2*2*2 = 8

8*3 = 24

I hope this helps!

Answer:

Mode is 20.

Step-by-step explanation:

Mode is the value or values in the data set that occurs most frequently.

{12, 12.50, 13, 18.50, 20, 20}

20 is the number that occurs most frequently.

hope this helps and is right :)

According to the question, the numbers in the apple column would increase and the numbers in the potato column would decrease.

Based on the information given, if Angela receives a new ladder truck that increases her apple picking ability but does not affect potato-harvesting production, the following would happen to the numbers in the table:

a) The numbers in the apple column would increase and the numbers in the potato column would decrease.

The ladder truck specifically enhances Angela's apple picking ability, indicating that she would be able to harvest more apples. However, since the ladder truck does not affect potato-harvesting production, the numbers in the potato column would remain the same. Therefore, option a is the correct answer.

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Answer: C: f(-1)=0

Step-by-step explanation:

To find f(-1), we look for the value under f(x) that corresponds to x=-1. This value is 0.

Answer:

PO = 7

PM = 7

MJ = 11

∠PJO = 32°

∠KJL = 64°

PL ≈ 18.385

OL = 17

∠PLO = 22°

∠NLO = 44°

∠JKL = 72°

∠MKP = 36°

∠NKP = 36°

∠PKN = 36°

KN = 10

PL ≈ 13.04

PK ≈ 12.21

JL = 28

JK = 21

LK = 27

Step-by-step explanation:

The given parameters are;

The point representing the incenter of the triangle = P

Therefore PO = PM = PN = 7

tan(32°) = PM/JM = 7/JM

∴JM = 7/(tan(32°)) ≈ 11.2

∠PJO = tan⁻¹(7/11)≈ 32.47°

∠PJO = ∠PJM = 32° similar triangles

∠KJL = ∠KJP + ∠PJO = 32 + 32 = 64°

∠KJL ≈ 64°

PL = √(7² + 17²) ≈ 18.385

OL = NL = 17 similar triangles

∠PLO = sin⁻¹(7/18.385) ≈ 22.380°

∠PLO = ∠PLN = 22°

∠NLO = ∠PNL + ∠OLP ≈ 22° + 22° ≈ 44°

∠NLO ≈ 44.380°

∠JKL = 180 - (∠KJL + ∠NLO)

∠JKL = 180° - (64° + 44°) ≈ 72°

∠JKL  ≈ 72°

∠MKP = ∠NKP = 72°/2 = 36°

∠MKP = 36°

∠NKP = 36°

∠PKN = ∠JKL - ∠MKP = 72° - 36° ≈ 36°

∠PKN  ≈ 36°

KN = KM = 10

MJ = OJ = 11

PL = √(7² + 11²) ≈ 13.04

PK = √(7² + 10²) ≈ 12.21

JL = JO + OL = 11 + 17 = 28

JK = JM + MK = 11 + 10 = 21

LK = LN + NK = 17 + 10 = 27

  By using the property of incenter, measures of the sides and the angles will be,

JK = 21.2 units

KL = 26.63 units

JL = 28.33 units

m∠K = 36°

 By the property of incenter,

PM = PN = PO = 7 units

∠MJP = ∠OJP = 32°

∠NLP = ∠OLP = 22°

 By the triangle sum theorem,

m∠JKL + m∠KLJ + m∠LJK = 180°

2(m∠NKP) + 2(m∠NLP) + 2(m∠MJP) = 180°

2(m∠NKP) + 2(22°) + 2(32°) = 180°

2(m∠NKP) = 180° - 108°

m∠NKP = 36°

From ΔJMP,

tan(32°) = \(\frac{MP}{MJ}\)

tan(32°) = \(\frac{7}{MJ}\)

MJ = \(\frac{7}{\text{tan}(32)^\circ}\)

MJ = 11.20

From ΔPOL,

tan(22°) = \(\frac{OP}{OL}\)

tan(22°) = \(\frac{7}{OL}\)

OL = 17.33

From ΔKNP,

tan(36°) = \(\frac{NP}{KN}\)

tan(36°) = \(\frac{7}{KN}\)

KN = 9.63

Therefore, JK = MJ + MK = 21.2 units

KL = LN + KN = 26.63 units

JL = JO + OL = 28.33 units

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Answer:

(x+7)(x+9)

Step-by-step explanation:

(x+7)(x+9)

Apply the distributive property by multiplying each term of x+7 by each term of x+9.

x^2+9x+7x+63

Combine 9x and 7x to get 16x.

x^2+16x+63

Answer:

paro paro g

Step-by-step explanation:

fly high butterfly

The solution to the given system of linear equations is x = 4, y = 20

From the question, we are to determine solution to the given system of equations

The given system of equations is

x+y=6x=y+4

Thus, we can write that

x + y = 6x ----------- (1)

and

6x = y + 4 ------------(2)

Solve the two equations simultaneously

From equation (1)

x + y = 6x

y = 6x - x

y = 5x --------- (3)

Substitute into equation (2)

6x = y + 4

6x = 5x + 4

6x - 5x = 4

x = 4

Substitute the value of x into equation (3)

y = 5x

y = 5(4)

y = 20

Hence, the solution to the given system of linear equations is x = 4, y = 20

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Managers and other decision makers are urged to be creative during step 2, which involves the process of establishing numerous alternative goals.

Numerous indicates a big amount. Despite the fact that you only have two feet, the word "many" might be used to describe the limitless number of pairs of shoes you own. The terms choice, election, option, preference, and selection can also be used to describe alternatives.

The report contains many of errors. The book contains numerous examples of plagiarism. All around the country are his innumerable progeny.

The numerous awards that are hung on the walls serve as visual proof of his huge accomplishment. She has proven her worth on numerous occasions. Alternative and alternate are phrases that are essentially synonymous.

Both expressions, which date from the middle of the 16th century, provide possibilities in addition to those that are initially suggested: an alternative perspective or proposal.

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Answer:

x = 6/7 of a puzzle

Step-by-step explanation:

Number of puzzle : time taken

= 3/4 : 7/8

How much a puzzle can she complete in an hour?

Let

x = number of puzzle to complete

Number of puzzle : time taken

= x : 1

Equate both ratios to solve for x

3/4 : 7/8 = x : 1

3/4 ÷ 7/8 = x / 1

3/4 × 8/7 = x / 1

24/28 = x / 1

Cross product

24 * 1 = 28 * x

24 = 28x

x = 24/28

= 6/7

x = 6/7 of a puzzle

Expected rate of return = 94.3%

Inflation rate is the rate of increase of prices of goods with the time being. It is also called devaluation of money. Risk free rate of return is an investment where possibility of risk is zero.

given, real risk-free rate = 2.5% = 0.025

the future rate of inflation = 2.8% = 0.028

nominal risk-free rate = (1 + real risk-free rate) / (1 + inflation rate)

nominal risk-free rate = (1+ 0.025) / (1 + 0.028) = 0.9971

now, rate of return = [(1 + nominal risk-free rate) / (1 + inflation rate)] - 1

 rate of return expected = [(1 + 0.9971) / (1 + 0.028)] - 1

                                      = 0.943

expected rate of return = 94.3 %

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Answer:

yes, 2 gallons

Step-by-step explanation:

Answer:

i think your right

Step-by-step explanation:

Answer:

20 cents per unit

Step-by-step explanation:

Since it is 1$ 5 pencils and 100/5=20, the unit cost is 20 cents

Answer:

the unit price is $0.20 for 1 pencil

Step-by-step explanation:

if u see 5 pencils cost 1 dollars and unit price means the value of one item, so like the cost of 1 pencil

write it as a ration of cost to pencil

the ratio is 1/5

now divided 5 on the top and the bottom to get the unit price

1 divided by 5= 0.2

so now the ratio is 0.2/1

Answer:

Divide

Step-by-step explanation:

Using PEMDAS, the first would be parenthesis, but there are none, so we do not use P. Next is E which is exponents, which would be the first thing completed. Then is M and D which is multiplication and division. The division is used which is "dividend by two" as it's the second thing completed.

Hope this helped.

Answer:

17 people surveyed own a cat.

Step-by-step explanation:

Let d stand for dog, c stand for cat, and b stand for both. In total, d + c + b = 100 people. The number of people who own a dog is four times the number of people who own a cat, so d = 4c. In the problem, it's given that 15 people own both a dog and a cat. So, b can be replaced with 15. Now, d + c + 15 = 100. This system of equations can be solved by substitution.

d = 4c

d + c + 15 = 100

4c + c + 15 = 100

5c + 15 = 100

5c = 85

c = 17

Check:

The number of dog owners is 4 * 17, or 68.

68 + 17 + 15 = 100

In various disciplines, there are situations where statistical tests are utilized to make informed decisions and draw meaningful conclusions. The 1-sample t-test, 2-sample t-test, and paired t-test are commonly used tests in statistical analysis. Additionally, when comparing multiple processes or datasets simultaneously, there are other statistical tools available to support the analysis.

1. A scenario where the 1-sample t-test could be applied is in the field of quality control. For example, a manufacturing company may want to determine if the mean weight of their product matches a specified target value. They can collect a sample of product weights and perform a 1-sample t-test to assess whether the mean weight significantly differs from the target value.

2. In a scenario where a decision was made without the use of statistics, the implications can be significant. For instance, a company might launch a new advertising campaign without conducting market research or analyzing customer preferences. This decision can lead to ineffective marketing strategies, wasted resources, and missed opportunities to better align with customer needs.

3. When comparing multiple processes or datasets simultaneously, alternative statistical tools such as Analysis of Variance (ANOVA) and multivariate analysis can be utilized. ANOVA allows for comparing means across three or more groups, providing insights into group differences. Multivariate analysis techniques, such as Principal Component Analysis (PCA) or Factor Analysis, can identify underlying patterns and relationships among multiple variables simultaneously, aiding in data exploration and dimensionality reduction.

Overall, utilizing appropriate statistical tests and tools in decision-making processes helps improve accuracy, mitigate risks, and make informed choices based on reliable data analysis.

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the awnser is B x-2