i need help in ap calc ab pls hurryyyyy

The 21603 base seven and 77 base ten are number bases

1. What base ten number does 21603 seven represent?

This is represented as:

\(21603_7\)

To convert to base 10, we have:

\(21603_7 = 2 * 7^4 + 1 * 7^3 + 6 * 7^2 + 0 * 7^1 + 3 * 7^0\)

Evaluate the sum and the exponents

\(21603_7 = 5442\)

Hence, 21603 base seven represents 5442 in base ten

2. Express the number 77 ten in base number

This is represented as:

\(77_{10}\)

To convert to a base number (say base 7), we have:

77/ 7 = 10 R 0

10/7 = 1 R 3

1/7 = 0 R 1

Hence, 77 base ten represents 130 in base seven

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Answer:

18.445

Step-by-step explanation:

Multiply

Answer:

6.6L

Step-by-step explanation:

4x1.75=7L

7L=7000mL

7000-400=6600mL=6.6L

A student′s grade on an examination was transformed to a z value of 0.67. Therefore, the student scored approximately in the top 26% of the class. This indicates that the correct answer is d. 25 percent.

In this scenario, the student's grade on an examination has been transformed into a z value of 0.67. To determine the approximate percentile rank of the student's score, we can refer to the standard normal distribution table.

The z value represents the number of standard deviations the student's score is away from the mean. A z value of 0.67 corresponds to a percentile rank of approximately 74%. Therefore, the student scored approximately in the top 26% of the class. This indicates that the correct answer is d. 25 percent.

To elaborate, a z value represents the number of standard deviations a data point is above or below the mean in a normal distribution. By converting the student's grade to a z value, we can compare it to the standard normal distribution table to determine the corresponding percentile rank. A z value of 0.67 corresponds to a percentile rank of approximately 74%.

This means that approximately 74% of the students in the class scored below the student in question. Since we are interested in the top percentile, we subtract the percentile rank from 100% to get the approximate percentage of students who scored lower. Therefore, the student scored approximately in the top 26% of the class, indicating that the correct answer is d. 25 percent.

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Answer:

34cm

Step-by-step explanation:

To find the missing sides you have to see how much the bottom is, then the other sides so in the case the bottom is 10cm and top is 3cm on each side. and you want to find the middle. so you would do 10 - 3 - 3 = 4

The probability that neither of the two individuals has some college or a college degree is (1 - P(college))^2.

To calculate the probability that at least one of the two individuals chosen at random from the population will have some college or a college degree, we need to consider the complement of the event, which is the probability that none of the individuals have a college degree.

Let's assume that the population size is N, and the number of individuals with a college degree is C. The probability that an individual does not have a college degree is (N - C) / N.

When choosing the first individual, the probability that they do not have a college degree is (N - C) / N.

When choosing the second individual, the probability that they do not have a college degree is also (N - C) / N.

Since these events are independent, we can multiply the probabilities together:

P(no college degree for either individual) = (N - C) / N * (N - C) / N = (N - C)² / N².

Now, to find the probability that at least one of the individuals has a college degree, we subtract the probability of none of them having a college degree from 1:

P(at least one with a college degree) = 1 - P(no college degree for either individual) = 1 - (N - C)² / N².

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The answer is

\( {x}^{2} {y}^{3} \)

I hope this helps, have a great day!

Answer:

.

Step-by-step explanation:

.

Answer:

14.99s-15g

Step-by-step explanation:

As a result of answering the given question, we may state that As a circle  result, the arc RLQ is roughly 11 cm in length, and the central angle that intercepts it is approximately 57.3°.

A circle is a two-dimensional form defined as the collection of all points in a plane that are equidistant from the centre. A circle is commonly represented by the letter "O" for the centre and the lowercase letter "r" for the radius, which is the distance from the centre to any point on the circle. Circles have various essential qualities, including circumference (the distance around the circle), which is given by the formula 2r, where (pi) is a mathematical constant roughly equal to 3.14159. The formula r2 gives the area of a circle, which is the amount of space inside the circle.

To find the arc RLQ, we must first identify the central angle that intersects it. We can use the following formula:

(arc length / circle circumference) x 360° Equals central angle

The circumference of the circle is:

C = 2πr

where r denotes the circle's radius. In this situation, the radius is 10 cm because the diameter is 20 cm. Therefore:

C = 2π(10) = 20π cm

We estimate it to be roughly 11 cm because the arc RLQ looks to be somewhat more than half the circumference.

(arc length / circle circumference) x 360° Equals central angle

(11 / 20) x 360°

57.3° central angle

As a result, the arc RLQ is roughly 11 cm in length, and the central angle that intercepts it is approximately 57.3°.

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Answer:

Depends on how specific you need it to be, but it is 3.87 round as you need to

Step-by-step explanation:

Please mark brainlest

Roger has enough stainless steel pipe to replace the chimney liner, with a slight surplus remaining.

To determine if Roger has enough stainless steel pipe for the chimney liner, we need to convert the given measurements to a consistent unit of measurement. Since the length of the liner required is given in feet, we need to convert the 400 inches of stainless steel pipe to feet.

There are 12 inches in a foot, so 400 inches is equal to 400/12 = 33.33 feet (approximately).

Comparing this converted length of the stainless steel pipe (33.33 feet) with the length of the liner required (33 feet), we can see that Roger does indeed have enough pipe. In fact, he has slightly more than required.

Since the length of the liner required is 33 feet and Roger has 33.33 feet of stainless steel pipe available, there is a surplus of approximately 0.33 feet (about 4 inches) of pipe. This additional length is more than enough to cover any potential measurement errors or adjustments needed during the installation process.

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This question is about ratios. Initially, 8 people have enough water for 9 days. When 4 more people join, the water supply will now last for 6 days.

This question involves a concept of Mathematics, specifically in the area of ratios or proportions. The initial premise is that 8 people on a trek have enough water to last them for 9 days. We can express this ratio as 8:9, which means for every 8 persons, the group can sustain its water supply for 9 days.

Now, we must calculate what would happen if 4 more people join the trek. Since now there are 12 people (8 original + 4 new), the new ratio becomes 12:9. However, the amount of water remains fixed. We can find the number of days the water will now last by dividing the quantity of water by the increased number of people, i.e., 9 days * (8 people/12 people) = 6 days.

So, when 4 more people join the group, the water supply will last the whole group for 6 days.

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The values of x that satisfy the equation p(−x ≤ t22 ≤ x) = 0.98 are all values between -2.518 and 2.518, inclusive.

The expression p(- x ≤ t22 ≤ x) represents the probability of a t-distribution with 22 degrees of freedom lying between - x and x.

We want to find the values of x such that this probability is 0.98.

We can use a table of t-distribution probabilities or a calculator to find the value of t for which the probability of a t-distribution with 22 degrees of freedom lying between −t and t is 0.98.

This value is , 2.518.

Therefore, we need to solve the inequalities:

-2.518 ≤ -x ≤ 2.518

Solving for x, we get:

-2.518 ≤ -x x ≤ 2.518

Therefore, the values of x that satisfy the equation p(−x ≤ t22 ≤ x) = 0.98 are all values between -2.518 and 2.518, inclusive.

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Answer:

0.4

Step-by-step explanation:

All the parts shown in the figure are solved.

A mathematical technique that is used to determine the possible arrangement of the objects when the sequence of selection does not matter.

Part 1

(a) When two dices are rolled the basic outcomes will be =?

Each dice has 6 outcomes and therefore 6* 6 =36

Therefore total 36 basic outcomes.

(b) Yes both the events are equally likely .

Part 2

(a) There can be 11 types of sum from 2 -12 obtained when two dices are rolled

Sum

2 1+1                                                  

3 1+2, 2+1                                          

4 1+3, 2+2, 3+1                                  

5 1+4, 2+3, 3+2, 4+1                            

6 1+5, 2+4, 3+3, 4+2, 5+1                    

7 1+6, 2+5, 3+4, 4+3, 5+2, 6+1          

8 2+6, 3+5, 4+4, 5+3, 6+2          

9 3+6, 4+5, 5+4, 6+3                          

10 4+6, 5+5, 6+4                                  

11 5+6, 6+5                                          

12 6+6    

(b) They are not equally likely as the sum obtained is dependent on both the dice rolling.

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Answer:

It was rotated D. -180 degrees

Step-by-step explanation:

the reason that it was -180 degrees is because when you look at the points, points A and B were perfectly flipped around and on the other side of (0,0)

Jack is picking out some movies to rent, and he is primarily interested in mysteries and foreign films. he has narrowed down his selections to 20 mysteries and 10 foreign films. step 1 of 2: Jack has 27,405 different combinations of 4 movies he can rent from the 20 mysteries and 10 foreign films.

To determine the number of combinations of 4 movies Jack can rent from 20 mysteries and 10 foreign films, you can use the combination formula: C(n, k) = n! / (k!(n-k)!), where n is the total number of options and k is the number of selections.

In this case, there are 30 films in total (20 mysteries + 10 foreign films). So, n = 30, and Jack wants to rent 4 movies, so k = 4. Using the combination formula, C(30, 4) = 30! / (4!(30-4)!) = 30! / (4!26!) = 27,405.

So, there are 27,405 different combinations of 4 movies that Jack can rent from his selection of mysteries and foreign films.

To calculate the number of different combinations of 4 movies that Jack can rent, we need to use the combination formula: nCr = n! / r!(n-r)! where n is the total number of movies (20 mysteries + 10 foreign films = 30), and r is the number of movies Jack wants to rent (4). So the calculation would be: 30C4 = 30! / 4!(30-4)! = 27,405

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Answer:

ASA

Step-by-step explanation:

A mean of a normal distribution's upper bound of a 95% confidence interval is 58.11.

For the given question,

The confidence bound's upper limit (UCB) is determined as follows:

UCB =  μ + z(α/2)×σ/√n

Now, α/2 = (1 - 0.95)/2

α/2 = 0.025

z(α/2) = 1.96  (obtain from t-distribution table for degree of freedom)

Put the values in the formula,

UCB =  μ + z(α/2)×σ/√n

UCB = 36.96 + 1.96×41.8/√15

UCB = 58.11

As a result, 58.11 is the upper bound of a 95% confidence interval for the mean of a normal distribution.

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Answer:

a)   \(s=482moh\)

b)  \(s'=9mph\)

Step-by-step explanation:

From the question we are told that:

Distance \(d=3930mi\)

Time of flight \(T=8hr\)

Flight back \(T_b=8.3hr\)

Generally the equation for Time for flight with jet steam is mathematically given by

\(T=\frac{d}{s+s_1}\)

\(8=\frac{3930}{s+s'}\)

\(s+s'=491.3 ....equ1\)

Generally the equation for Time for flight against jet steam is mathematically given by

\(T=\frac{d}{s-s_1}\)

\(8.3=\frac{3930}{s-s_1}\)

\(s+s'=473.5......equ 2\)

Solving equ 1 and equ 2 simultaneously

\(s+s'=491.3\)

\(s+s'=473.5\)

Therefore

\(s=482moh\)

\(s'=9mph\)

Answer:

1. The measure of ∠WOV is 60°. You would use complementary angles that are adjacent (∠WOV, and ∠XOW)

2. The measure of ∠YOZ is 60°. You would use the vertical angles that are non-adjacent (∠WOV, and ∠YOZ). These two angles are congruent so they would have the same measure. These angles combined also create supplementary angles

3. Another way to find the measure of ∠YOZ would be to make/write an equation and solve for x. For example, (3x+30)°=60°. x would equal 10 because 10x3=30+30=60°

Step-by-step explanation:

1. Since a complementary angle would equal 90°, simply subtract 30° from 90° resulting in 60°.

2. Because vertical angles are congruent and (∠WOV, and ∠YOZ) are a pair of them, they equal the same as each other so they're both 60°.

3. You can make any equation with x included as long as it equals 60° mine was just an example you can make your own like 10x+10=60 or 4x+20=60. Also to create your equation you also need to use the angle fact of the vertical angles

Answer:

1. The measure of ∠WOV is 60°. You would use complementary angles that are adjacent (∠WOV, and ∠XOW)

2. The measure of ∠YOZ is 60°. You would use the vertical angles that are non-adjacent (∠WOV, and ∠YOZ). These two angles are congruent so they would have the same measure. These angles combined also create supplementary angles

3. Another way to find the measure of ∠YOZ would be to make/write an equation and solve for x. For example, (3x+30)°=60°. x would equal 10 because 10x3=30+30=60°

Step-by-step explanation:

1. Since a complementary angle would equal 90°, simply subtract 30° from 90° resulting in 60°.

2. Because vertical angles are congruent and (∠WOV, and ∠YOZ) are a pair of them, they equal the same as each other so they're both 60°.

3. You can make any equation with x included as long as it equals 60° mine was just an example you can make your own like 10x+10=60 or 4x+20=60. Also to create your equation you also need to use the angle fact of the vertical angles

Answer:

Reflection over the y-axis over if not vertical translation,reflection over y- axis

Step-by-step explanation:

hope this help if im wrong tell me cuz i think those 2 are one of the answer

The sets of transformations which result in a similar image are two translations and vertical translation, reflection over y-axis.

Transformation of a figure is to change the size, shape or the position of a figure to create a new figure for required use.

Select all the sets of transformations that result in a similar image.

Thus, the sets of transformations which result in a similar image are two translations and vertical translation, reflection over y-axis.

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The value of h(x) at x = 2 is 3.

Given that f(x) and g(x) are differentiable functions with f(2) = 5, g(2) = 3, f′(2) = 1/2, and g′(2) = 2, and the new function h(x) is defined as h(x) = 3f(x) − 4g(x), we can find h'(2) by using the derivative rules for sums and products:

h'(x) = 3f'(x) - 4g'(x)

By plugging in the given values for f'(2) and g'(2), we get:

h'(2) = 3(1/2) - 4(2) = 3/2 - 8 = -6.5

Therefore, the derivative of h(x) at x = 2 is -6.5.

To find h(2), we can plug in the given values for f(2) and g(2) into the equation for h(x):

h(2) = 3f(2) - 4g(2) = 3(5) - 4(3) = 15 - 12 = 3

In conclusion, the derivative of h(x) at x = 2 is -6.5 and the value of h(x) at x = 2 is 3.

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If a dataset is generated with the model of polynomial regression of degree 3 then a polynomial regression model of degree 3 will have low bias and low variance.

The correct statement is d. A polynomial regression model of degree 3 will have low bias and low variance.

The given dataset is generated using a polynomial regression model of degree 3. Hence, a polynomial regression model of degree 3 will perfectly fit the data, leading to low bias and low variance. The degree 3 polynomial will have enough flexibility to capture the underlying non-linear relationships in the data. On the other hand, simple linear regression will not be able to capture the non-linear relationship between the predictor and response variables, resulting in high bias and low variance.

In summary, a polynomial regression model of degree 3 will have the best fit for this dataset, with low bias and low variance, whereas simple linear regression will have high bias and low variance.

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The equation of the function that inputs the number of weeks since the beginning of the semester and outputs the money in his bank account is

Money = 5340 - 356X(weeks)

The table will be as follows:

        Weeks                                 Money

             0                                      5340

             3                                      4272

             7                                      2848

             11                                      1424

             15                                       0

Define an account.

An account in banking is an arrangement whereby a company, typically a financial institution like a bank or credit union, accepts a customer's financial assets and holds them on the customer's behalf at the discretion of the customer.

A financial account, specifically one that covers financial asset claims or liabilities to nonresidents, is a part of a country's balance of payments in macroeconomics. Direct investment, portfolio investment, and reserve assets are broken down by sector and are all parts of the financial account.

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Если высота, полученная из вершины A, также является медианной, треугольник будет равнобедренным, так что AB = AC, а BC - основание. Следовательно, эта высота также является биссектрисой угла. - Если медиана, проведенная из вершины A, также является биссектрисой угла, треугольник будет равнобедренным, так что AB = AC, а BC - основание.

Jimmy will leave a $33.32 tip for the great service.

What is the total of the cost?

Whole cost is the sum of all expenditures made to generate a certain level of production; when this total cost is divided by the amount produced, average or unit cost is discovered.

To calculate the tip, we need to first find 20% of the total cost of the meal (before sales tax):

20% of 166.60 = 0.20 x 166.60 = 33.32

Therefore, Jimmy will leave a $33.32 tip for the great service.

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Answer:

The answer is going to be A. \(8x^{3} + 16x^{2} - 4x + 15\)

Step-by-step explanation: