The answer to Gprahing systems of equations

Answer: \(10^{2}\)

Explanation:

\(\frac{10^6}{10^4}\)=\(10^{2}\)

Answer:

22

Step-by-step explanation:

11-(-8)-(-3)

19-(3)

19+3

22

hope i helped:)

In recent years, the poverty rate in the United States was approximately a percentage of the total population.

The poverty rate in the United States refers to the proportion of the population that falls below the poverty threshold, which is determined by the federal government. The poverty rate is calculated by comparing a household's income to the poverty guidelines set by the Department of Health and Human Services. The exact percentage of the poverty rate can vary from year to year and is influenced by various economic and social factors.

To provide an accurate answer to the question, it is necessary to refer to specific data from recent years. However, as an AI language model, I do not have access to real-time or up-to-date information. I recommend referring to reliable sources such as government reports or reputable research organizations to obtain the most current data on the poverty rate in the United States.

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Answer:the second one

Step-by-step explanation:i Hope you get it right

Answer:

A. is the function

Step-by-step explanation:

B. couldn't be the function bc all the y-values are the same and C. isn't it bc the number one was repeated and had another answer.

Answer:

46.08

Step-by-step explanation:

you have to make your percentage a decimal, which 60% will be .60 and 20% will be .20. you then multiply your initial number which is 36 by .60 and add that on because youre adding 60%. After that you will multiply that given number by .20 and you subtract what that product is from your last product you received (36x.60) which if im not mistaken will give you $46.08.

Answer:

C

Step-by-step explanation:

I took the test

Answer:

(-∞, -3]U [-2,∞)

Step-by-step explanation:

Answer:

\(\sqrt[3]{3}\)

Step-by-step explanation:

use the Pythagoras Theorem

Since you have the hypotenuse (6"), just go backwards. 62 = 36 = a2 + b2.

Answer:

37 monedas de $5 y 15 monedas de $10

Step-by-step explanation:

37 x 5 = 185

15 x 10 = 150

185 + 150 = $335

The first five terms of the sequence are {-9, 54, -324, 1944, -11664}.Hence, the first five terms of the sequence are {-9, 54, -324, 1944, -11664}.

Given that a1 = -9 and an = -6an-1 to find the first five terms of an: {a1, a2, a3, a4, a5}

We have to use the formula an = -6 an-1 to find the next terms.

The first term a1 is given to us. So, a1 = -9

We can use the formula an = -6an-1 to find the next term using a1= -9 an1 = -6 * a1 = -6 * (-9) = 54

Thus the first two terms of the sequence are {-9, 54}.

We can use the formula an = -6an-1 to find the third term an2 = -6 * an1= -6 * 54 = -324

Thus the first three terms of the sequence are {-9, 54, -324}.

We can use the formula an = -6an-1 to find the fourth term an3 = -6 * an2= -6 * (-324) = 1944

Thus the first four terms of the sequence are {-9, 54, -324, 1944}.

We can use the formula an = -6an-1 to find the fifth term an4 = -6 * an3= -6 * (1944) = -11664

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The fee with each airline was 35 dollars, and the bag was 7 pounds over the weight limit.

Let w be the weight of the bag in pounds, and let x be the weight over the limit.

The first airline charges 28 + 7x dollars for the bag, and the second airline charges 14 + 9x dollars for the bag.

Since the fees are the same with both airlines, we can set these two expressions equal to each other:

28 + 7x = 14 + 9x

Solving for x, we find that x = 7.

Substituting this value back into either of the original expressions, we find that the fee with each airline is 28 + 7x = 35.

Therefore, the fee with each airline was 35 dollars, and the bag was 7 pounds over the weight limit.

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Answer:

r=37(being vertically opposite angle)

Answer:

2

Step-by-step explanation:

It's 2 because the numbers go up by 2 each time the mean is identified meaning that the mean of each is 4.

To find the production level that maximizes profit, we need to determine the profit function by subtracting the cost function from the revenue function.

Given the demand function p = 550 - 0.03x and the cost function C(x) = 4x + 100,000, we can calculate the profit function, differentiate it with respect to x, and find the critical point where the derivative is zero.

The revenue function is given by R(x) = p * x, where p is the price and x is the number of units sold. In this case, the price is determined by the demand function p = 550 - 0.03x. Thus, the revenue function becomes R(x) = (550 - 0.03x) * x.

The profit function P(x) is obtained by subtracting the cost function C(x) from the revenue function R(x). Therefore, P(x) = R(x) - C(x) = (550 - 0.03x) * x - (4x + 100,000).

To maximize profit, we differentiate the profit function with respect to x, set the derivative equal to zero, and solve for x:

P'(x) = (550 - 0.03x) - 0.03x - 4 = 0.

Simplifying the equation, we get:

0.97x = 546.

Dividing both sides by 0.97, we find:

x ≈ 563.4.

Therefore, the production level that maximizes profit is approximately 563.4 units.

In conclusion, to find the production level that maximizes profit, we calculate the profit function by subtracting the cost function from the revenue function. By differentiating the profit function and setting the derivative equal to zero, we find that the production level that maximizes profit is approximately 563.4 units.

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Answer:

A permutation is an arrangement of all or part of a set of objects, with regard to the order of the arrangement. Each possible arrangement would be an example of a permutation.

The complete list of possible permutations would be:

AB, AC, BA, BC, CA, and CB.

Permutation is used for lists (order matters) and Combination for groups (order doesn't matter). Famous joke for the difference is: A “combination lock” should really be called a “permutation lock”. The order you put in the numbers of lock matters.

If a group consists of 10 kids and 2 adults, the number of ways are there to form the line are 2 * 10!. So, correct option is C.

To form a line with an adult at the front and an adult at the back, we need to consider the positions of the 10 kids within the line. The two adults are fixed at the front and back, so we have 10 positions available for the kids.

To calculate the number of ways to arrange the kids in these positions, we can use the concept of permutations. Since each position can be occupied by a different kid, we have 10 options for the first position, 9 options for the second position, 8 options for the third position, and so on, until the last position, where only 1 kid remains.

Therefore, the number of ways to form the line is:

10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 10!

However, the problem also mentions that there are 2 adults, so we need to consider the arrangements of the adults as well. Since there are only two adults, there are 2 ways to arrange them in the line (adult at the front and adult at the back or vice versa).

Therefore, the total number of ways to form the line is:

2 x 10! = 2 * 10!

Hence, the correct option is b. 2 * 10!, which accounts for both the arrangements of the kids and the adults.

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The missing information in the square is option(b) x = 4y = 4 √(2) and y = 4.

Given square PQRS, the task is to determine the missing information. A square is a quadrilateral with four equal sides and four equal angles.

The coordinates of the vertices of a square are (x,y), (x+4,y), (x+4,y+4) and (x,y+4).

The missing information, x and y, can be found by solving the equations that represent the sides of the square. We can start by solving for x.

The equation for the side PQ is x + 4y = 2 √(2). Solving this equation for x gives x = 4y - 8 √(2).

Similarly, the equation for the side RS is x + 4y = 4 √(2). Solving this equation for x gives x = 4y = 4 √(2).

Therefore, the missing information is x = 4y = 4 √(2) and y = 4.  

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One statistical indicator that can help determine the trustworthiness of data is the margin of error. It provides a measure of the uncertainty associated with the data and helps assess the reliability of estimates.

The margin of error is a statistical indicator that quantifies the range of potential error in an estimate or survey result. It is typically calculated based on sample size and variability in the data. A smaller margin of error indicates a higher level of confidence in the estimate, implying that the data is more trustworthy.
When conducting surveys or data analysis, it is important to consider the margin of error to understand the potential variability and ensure that the data represents the population accurately. A lower margin of error indicates that the estimate is more precise and reliable.
Additionally, other statistical indicators such as confidence intervals, p-values, and statistical significance tests can also provide insights into the reliability of the data. These indicators help assess the likelihood that the observed results are not due to random chance or sampling error.
Overall, a combination of statistical indicators, including the margin of error, can provide evidence of data trustworthiness by evaluating the precision, reliability, and statistical significance of the estimates.

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The middle 50% of prices is a measure of the variability of a dataset.

It represents the range of prices that contains the central 50% of the data. This range is also known as the interquartile range (IQR).

To find the IQR, we first need to determine the quartiles of the dataset. The first quartile (Q1) represents the 25th percentile of the data, meaning that 25% of the data falls below Q1. The third quartile (Q3) represents the 75th percentile of the data, meaning that 75% of the data falls below Q3.

Once we have Q1 and Q3, we can calculate the IQR as the difference between Q3 and Q1. This gives us the range of prices that contains the middle 50% of the data.

For example, suppose we have the following dataset of prices:

{10, 12, 15, 18, 20, 22, 25, 30, 35, 40}

To find the middle 50% of prices, we first need to find Q1 and Q3. Q1 is the median of the lower half of the data, which is {10, 12, 15, 18, 20}. The median of this dataset is 15. Q3 is the median of the upper half of the data, which is {22, 25, 30, 35, 40}. The median of this dataset is 30,Therefore, the IQR is:

IQR = Q3 - Q1 = 30 - 15 = 15

This means that the middle 50% of prices in this dataset falls within the range of $15. In other words, prices in the range of $15 to $30 contain the central 50% of the data.

In summary, the middle 50% of prices is a measure of variability that represents the range of prices that contains the central 50% of the data. It is calculated as the difference between the third and first quartiles of the dataset.

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The probability that a randomly chosen value will fall between 68 and 73 from a normal distribution that has a mean of 74.5 and a standard deviation of 18 is 10.87%.

Z-Score Calculation will help to solve the problem.Z-Score is the number of Standard Deviations from the Mean.

To find the probability of the given range from the normal distribution, we have to find the z-score for both x-values and use the z-table to find the area that is in between those z-scores.

z = (x - μ) / σ

z1 = (68 - 74.5) / 18 = -0.361

z2 = (73 - 74.5) / 18 = -0.083

The area in between the z-scores of -0.083 and -0.361 can be found by subtracting the area to the left of z1 from the area to the left of z2.

Z(0.361) = 0.1406

Z(0.083) = 0.1977

Z(0.361) - Z(0.083) = 0.1406 - 0.1977 = -0.0571 or 5.71%.

But the area cannot be negative, so we take the absolute value of the difference. So, the area between z1 and z2 is 5.71%.

Therefore, the probability that a randomly chosen value will fall between 68 and 73 from a normal distribution that has a mean of 74.5 and a standard deviation of 18 is 10.87%.

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The probability of not getting a red jack when selecting one card at random from a standard deck of 52 cards is (50/52) or approximately 0.962.

This is because there are 50 cards that are not red jacks out of a total of 52 cards in the deck.

The probability of not getting a red jack when selecting one card at random from a standard deck of 52 cards can be calculated using these terms:

There are 2 red jacks in the deck, and 52 cards in total. Therefore, there are 50 cards that are not red jacks (52 - 2).

To find the probability, divide the number of favorable outcomes (not getting a red jack) by the total number of possible outcomes (total cards in the deck).

Probability = (Number of favorable outcomes) / (Total possible outcomes) = 50/52 = 25/26 ≈ 0.96 or 96%.

So, the probability of not getting a red jack when selecting one card at random is approximately 96%.

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Answer:

Step-by-step explanation:

x³-4x²+x-4=

=x²(x-4)+(x-4)

=(x-4)(x²+1)

=(x+4)(x-i²)

Answer:(x+1)(x-1)(x-4)

Step-by-step explanation:

Given that mean= 6.56 and standard deviation(σ)= 1.19

a) P(X ≤ 5)= ( (X-µ)/ σ) < (5- 6.56)/ 1.19)

                = 0.094946

P(X ≤ 5)= 0.95

So 0.95 proportion of the survey would think $5 is too expensive for a sandwich.

b) P(X ≥ 6.75) = ( (X-µ)/ σ) < (6.75- 6.56)/ 1.19)

                      = 0.43656

0.43656 proportion of people surveyed would be willing to pay more than $6.75 for a sandwich.

c)  P(X ≤ x)= 0.35

                 = P((x- µ)/ σ ≤ (x- 6.65)/ 1.19)

                  0.35

x= (-0.3853) (1.19) + 6.56

 = 6.1015

6.1015  is the 35th percentile for how much people are willing to pay for a sandwich.

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Answer:

1) AD = 9 in

2) DE = 9.25 in

3) ∠EDC = 36°

4) ∠AEB = 108°

5) 11.5 in

Step-by-step explanation:

1) AD = BC = 9in

2) AC = BD (diagonals are equal)

⇒ BD = 14.25

⇒ BE + DE = 14.25

⇒ 5 + DE = 14.25

DE = 9.25

3) Since AB ║CD,

∠ABE = ∠EDC = 36°

4) ∠ABE = ∠BAE = 36°

Also ∠ABE + ∠BAE + ∠AEB = 180 (traingle ABE)

⇒ 36 + 36 + ∠AEB = 180

∠AEB = 108

5) midsegment = (AB + CD)/2

= (8 + 15)/2

11.5

Answer:

B

Step-by-step explanation:

Rate, in this case, is mph which can be written as miles/hours.

HTH :)

Answer: 34

Step-by-step explanation:

D+F+E = 12+14+8=34

Answer:

17 in

Step-by-step explanation:

DE = 1/2(14) = 7

DF = 1/2(8) = 4

EF =1/2(12) = 6

7 + 4 + 6 = 17 in

Answer:

You got the answers correct.

Step-by-step explanation:

i is equal to the square root of -1. This is helpful to know because you have to sort of "take out" the negative square root of 1 before simplifying these. the square root of negative 12 is the same thing as the square root of -1 times the square root of 12. Since i is the square root of -1, you can replace that part with i. So, it is i times the square root of 12. We can simplify the square root of 12 by doing the square root of 4 times 3, which is 2 root 3, like you were saying. Then, this value is multiplied by i, so the final answer is 2i (root) 3. This same thing applies to the second portion. The square root of 45 is 3 root 5, and you have to multiply that by i since it is a negative square root. Therefore, that is 3i (root) 5. Comment on my answer if you need a further clarification:)

Answer:

Step-by-step explanation:

113 in ^3  

Answer:

$8.60

Step-by-step explanation:

The correct answer is A.The correct answer is A. Exception.  In the context of business reports, an exception report is a type of report that highlights data or occurrences that deviate significantly from expected or predefined values.

It focuses on identifying outliers or anomalies in the data that require attention or further investigation.

In the given example, a sales report that shows certain items selling significantly above or below forecasts would be considered an exception report. It indicates deviations from the expected sales performance and draws attention to the items that are performing exceptionally well or poorly compared to the forecasts.

Exception reports are valuable in identifying trends, potential problems, or opportunities that may require action or adjustments in business strategies. They help management and decision-makers focus their attention on critical areas that require immediate attention or further analysis.

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