5. A bag contains 21 red marbles and 29 blue marbles. A marble is picked at
random from the bag. What is the probability of picking a red marble?

Answer:

Step-by-step explanation:

17 hours multiplied by 60 (60 seconds in 1 minute) = 1020 minutes + 38 minutes = 1058 minutes.

Miles per hour = distance/time

1163/1058 = 1.10 miles per hour

By using the properties of rectangle, it can be calculated that-

Value of z is 31°

What is a rectangle?

Rectangle is a four sided two dimensional figure which satisfies the properties of a parallelogram and whose every angle is 90°

FH = 2z + 8

EG = 2z + 8 [Diagonals of a rectangle are equal]

EI = 35

EG = [tex]35 \times 2 = 70[/tex] [Diagonals of rectangle bisect each other]

So,

2z + 8 = 70

2z = 70 - 8

2z = 62

z = [tex]\frac{62}{2}[/tex]

z = 31

Value of z is 31°

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Answer:

Step-by-step explanation:Question Number 15:

The following transactions were completed during May, the second month of the business’s operations:

May

1. Shannon Burns made an additional investment in Dancing Music by depositing $3,000 in Dancing Music’s checking account.

1. Instead of continuing to share office space with a local real estate agency, Shannon decided to rent office space near a local music store. Paid rent for May, $1,600.

1. Paid a premium of $3,360 for a comprehensive insurance policy covering liability, theft, and fire. The policy covers a two-year period.

2. Received $1,200 on account.

3. On behalf of Dancing Music, Shannon signed a contract with a local radio station, KPRG, to provide guest spots for the next three months. The contract requires Dancing Music to provide a guest disc jockey for 80 hours per month for a monthly fee of $2,400. Any additional hours beyond 80 will be billed to KPRG at $40 per hour. In accordance with the contract, Shannon received $4,800 from KPRG as an advance payment for the first two months.

3. Paid $250 on account.

4. Paid an attorney $150 for reviewing the May 3rd contract with KPRG. (Record as Miscellaneous Expense.)

5. Purchased office equipment on account from One-Stop Office Mart, $5,000.

8. Paid for a newspaper advertisement, $200.

11. Received $600 for serving as a disc jockey for a college fraternity party.

13. Paid $500 to a local audio electronics store for rental of digital recording equipment.

14. Paid wages of $1,200 to receptionist and part-time assistant.

16. Received $1,100 for serving as a disc jockey for a wedding reception.

18. Purchased supplies on account, $750.

21. Paid $240 to Rocket Music for use of its current music demos in making various music sets.

22. Paid $500 to a local radio station to advertise the services of Dancing Music twice daily for the remainder of May.

23. Served as disc jockey for a party for $1,560. Received $400, with the remainder due June 4, 2006.

27. Paid electric bill, $560.

28. Paid wages of $1,200 to receptionist and part-time assistant.

29. Paid miscellaneous expenses, $170.

30. Served as a disc jockey for a charity ball for $1,200. Received $600, with the remainder due on June 9, 2006.

31. Received $2,000 for serving as a disc jockey for a party.

31. Paid $600 royalties (music expense) to Federated Clearing for use of various artists’ music during May.

31. Withdrew $2,000 cash from Dancing Music for personal use.

Dancing Music’s chart of accounts and the balance of accounts as of May 1, 2006 (all normal balances), are as follows:

Instructions

1. Enter the May 1, 2006 account balances in the appropriate balance column of a four-column account. Write Balance in the Item column, and place a check mark (✔) in the Posting Reference column. (Hint: Verify the equality of the debit and credit balances in the ledger before proceeding with the next instruction.)

2. Analyze and journalize each transaction in a two-column journal, omitting journal entry explanations.

3. Post the journal to the ledger, extending the account balance to the appropriate balance column after each posting.

4. Prepare a unadjusted trial balance as of May 31, 2006

5. Prepare adjusting journal entries. You will need the following additional accounts:

18 accumulated Depreciation—Office Equipment 22 Wages Payable

57 Insurance Expense 58 Depreciation Expense

The data needed to determine adjustments for the two-month period ending May 31, 2006, are as follows:

a. During May, Dancing Music provided guest disc jockeys for KPRG for a total of 110 hours. For information on the amount of the accrued revenue to be billed to KPRG, see the contract described in the May 3, 2006.

b. Supplies on hand at May 31, $170.

c. The balance of the prepaid insurance account relates to the May 1, 2006.

d. Depreciation of the office equipment is $100.

e. The balance of the unearned revenue account relates to the contract between Dancing Music and KPRG, described in the May 3, 2006.

f. Accrued wages as of May 31, 2006, were $130. Instructions

6. Post the adjusting entries, inserting balances in the accounts affected.

7. Prepare an adjusted trial balance.

8. Prepare a ten-column work sheet.

9. Prepare an income statement, a statement of owner’s equity, and a balance sheet. (Note: Shannon Burns made investments in Dancing Music on April 1 and May 1, 2006.)

10. Journalize and post the closing entries. The income summary account is #33 in the ledger of Dancing Music. Indicate closed accounts by inserting a line in both Balance columns opposite the closing entry.

11. Prepare a post-closing trial balance

Answer: B

Step-by-step explanation:

Substitution method

solve the equation for Y by putting the variable on the left. -3 = y - 2x would become y = 2x - 3

Plug Y into the top equation. 2(2x - 3) + 6 =4x

4x - 6 + 6 = 4x

Combine like terms

4x - 0 = 4x

4x = 4x

Infinite Solutions

Answer:

Part A: 2 Part B: 2- and 4-Part C: 8 The graph shows at 8 seconds the slope starts to decrease rapidly. Part D: I believe at 14 seconds the water balloon would be o the ground.

Step-by-step explanation:

The correct answer is D. A 95% confidence interval must be wider than an 80% confidence interval in order to be more confident that it captures the true value of the population proportion.

The width of a confidence interval reflects the degree of uncertainty about the estimate of the population parameter. A wider interval indicates a higher degree of uncertainty, while a narrower interval indicates a lower degree of uncertainty.

The confidence level of a confidence interval is the probability that the interval contains the true population parameter. For example, a 95% confidence interval means that there is a 95% probability that the interval contains the true population parameter. Similarly, an 80% confidence interval means that there is an 80% probability that the interval contains the true population parameter

Since a 95% confidence interval is more confident that it captures the true value of the population parameter than an 80% confidence interval, the 95% confidence interval must be wider in order to capture the true value with a higher degree of confidence.

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Length of each Plan A workout: 4 hours and Length of each Plan B workout: 8 hours.

To find the length of each workout plan, we need to know the total amount of time that Deshaun spent on each plan. We can find this by adding up the number of clients who did each plan on Friday and Saturday and then multiplying by the total amount of time that Deshaun spent training his clients on each day.

On Friday, Deshaun had 4 clients who did Plan A and 8 who did Plan B, for a total of 4 + 8 = 12 clients.

On Saturday, Deshaun had 2 clients who did Plan A and 3 who did Plan B, for a total of 2 + 3 = 5 clients.

In total, Deshaun had 12 + 5 = 17 clients who did his workout plans.

Since Deshaun trained his Friday clients for a total of 17 hours and his Saturday clients for a total of 7 hours, the total amount of time that he spent on Plan A was 4 × 17 = 68 hours.

The total amount of time that he spent on Plan B was 8 × 17 = 136 hours.

Since there were 17 clients in total, the length of each Plan A workout is 68 / 17 = 4 hours.

The length of each Plan B workout is 136 / 17 = 8 hours.

Thus, the length of each Plan A workout is 4 hours, and the length of each Plan B workout is 8 hours.

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Answer:

y = (5/2)x - 18

Step-by-step explanation:

plug in the x, y, and m into the formula y=mx+b, solve for b, and create the formula y = (5/2)x - 18

[tex]y=mx+b[/tex]

We're given:

Plug the slope, [tex]\dfrac{5}{2}[/tex], into [tex]y=mx+b[/tex]:

[tex]y=\dfrac{5}{2}x+b[/tex]

Now, to solve for b, plug in the given point (4, -8):

[tex]-8=\dfrac{5}{2}(4)+b\\\\-8=10+b\\b=-18[/tex]

Plug this into our equation:

[tex]y=\dfrac{5}{2}x-18[/tex]

[tex]y=\dfrac{5}{2}x-18[/tex]

Answer: D

Step-by-step explanation:

(4,16)

The answers are 3, 34, 14 and 16

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Given are the problems based on equation making and solving,

1) The equation for finding the number of cups will be =

x(8+07.5) = 32

Where x the number of cups.

x = 32/8.75 ≈ 3

Hence, The number of cups is 3

2) Let the number of Red tokens be R and Gold tokens be G, setting up the equation, we get,

R+G = 56

R-G = 12

Adding the equations,

R+R+G-G = 56+12

2R = 68

R = 34

Hence, The number of Red tokens is 34

3) Let the Sally's age be 2x, therefore, Catherine's age is 6+x

Setting the equations,

6+x+2x = 30

3x = 24

x = 8

Therefore, Catherine's age is 8+6 = 14

4) Let the numbers of answers Robert correctly answered be x,

Setting up the equation,

3x-1(20-x) = 44

3x-20+x = 44

4x = 64

x = 16

Therefore, he answered 16 questions correctly.

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3/2 is an example of a rational number which can be proved by the properties of rational number.

What is a Rational number?

Rational numbers are numbers which can be expressed as a fraction and also as positive numbers, negative numbers and zero. It can be written as p/q, where q is not equal to zero.

According to the given question:

An example of a rational number can be 3/2. It means integer 3 is divided by another integer 2

Check the following 3 properties of a rational number to determine if it is rational

1. If the number can be written in fraction form

2. If the numerator and denominator of the fraction are integers

3. And the denominator is not equal to zero

If any number satisfies these 3 conditions then it is said to be a rational number

Let's prove for our example that is 3/2

1. 3/2 is a fraction in which 3 is numerator and 2 is denominator

2. 3 and 2 are integers

3. the denominator 2 is not equal to zero.

Hence it is proved that 3/2 is a rational number.

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The rate of change of the table of values is calculated as: A. 1/5.

Given the table above, the rate of change can be calculated using the formula below:

Rate of change (m) = change in y / change in x.

Using two pairs of values from the table, (10, 2) and (20, 4):

Change in y = 4 - 2 = 2

Change in x = 20 - 10 = 10

Therefore:

Rate of change (m) = 2/10

m = 1/5

Therefore, the rate of change is determined as: A. 1/5.

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The type of number is more appropriate for the domain of H would be;

2000 ≤ x ≤  2010

The domain of a function is defined as the set of all the possible input values that are valid for the given function.

The range of a function is defined as the set of all the possible output values that are valid for the given function.

Given that H(y) models the leading number of home runs for season y of the National League between the years 2000-2010,

The domain must lie in between 2000 Sammy Sosa 50 Chicago AND 2010 Albert Pujols 42 St. Louis

Then the Integers for as greater than 2000 and less than 2010.

The appropriate for the domain of H is

2000 ≤ x ≤  2010

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x² + 6.25x + 4.5x + 28.125, this expression represents the area the 2 pieces of construction paper will cover.

What is the quadratic equation?

A quadratic equation is any equation in algebra that can be rearranged in standard form as where x represents an unknown value and a, b, and c represent known numbers, with a 0.

We have,

Amelia has 2 sheets of construction paper with length x centimeters.

One piece of construction paper has a width of x+4.5 centimeters, and the other has a width of x+6.25 centimeters.

expression to represent the area the 2 pieces of construction paper will cover.

To find the area(A) of a paper:

multiply its height by its width:

A = (x + 4.5) * (x + 6.25)

A = x² + 6.25x + 4.5x + (4.5) * (6.25)

A =  x² + 6.25x + 4.5x + 28.125

hence, x² + 6.25x + 4.5x + 28.125, this expression represents the area the 2 pieces of construction paper will cover.

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A month has 43,800 minutes, according to the information given.

Multiplication in the context of integers or counting numbers is just repeated addition. Consequently, 3 x 5 equals:

5 is added to 0 and placed in the "accumulator."

For a total of three times, repeat operation (1).

As a/b times c/d = ac/bd, we can simply extend multiplication to rational integers. By the way, this definition enables us to say that multiplication is closed for rational numbers.

Concentrating on the words "sum" and "product" in relation to "things that aren't numbers" is still beneficial. In logic, the terms "sum" and "product" have a non-numerical sense as the union and intersection of sets.

For instance, a "blue circle" is a reasonable outcome. It is where the "blue" and "circle" sets cross. The only components in the logical combination of the two sets would be those that are "blue" or "circular."

The no: of minutes in a month is 30*24*60=43200 minutes in a month

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The correct answer is (D) 2 + 3 = 6. If an organism is homozygous for 3 genes and heterozygous for 2 genes, it can produce a total of 2 + 3 = 5 different gametes.

When an organism is homozygous for a gene, it means that it carries two copies of the same allele for that gene. When an organism is heterozygous for a gene, it means that it carries two different alleles for that gene.

In this case, the organism is homozygous for 3 genes, which means that all its gametes will carry the same alleles for these 3 genes. It is also heterozygous for 2 genes, which means that it can produce gametes that carry either one of the two alleles for these 2 genes.

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The triangle ΔADB is congruent to the triangle ΔCDB by the ASA postulate.

The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.

The ratio of the matching sides will remain constant if two triangles are comparable to one another.

The triangles are said to be congruent if two points and the contained side among one triangle match two angles and the contained side of another triangle.

In triangles ΔADB and ΔCDB, then we have

∠BAD = ∠BCD          (Given)

∠BDA = ∠BDC          (Given)

    AD = AD               (Common side)

The triangle ΔADB is congruent to the triangle ΔCDB by the ASA postulate.

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The value of d for the given angles will be equal to d = 13. The correct option is B.

The angle is defined as the span between two intersecting lines or surfaces at or close to the point where they meet.

Complementary angles are formed when the sum of two angles equals 90 degrees. 30 degrees and 60 degrees, for example, are complementary angles.

Given that one angle measures 18° and another angle measures (6d − 6)°.

The value of d will be calculated as,

18 + 6d - 6 = 90

6d + 12 = 90

6d = 90 - 18

6d = 78

d = 78 / 6

d = 13

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The main belt is not located between these all planets.

What is orbit?

A route that an object in space follows around another is known as an orbit. A satellite is a thing that orbits the earth. An Earth- or moon-like natural satellite is one possibility. Moons are satellites that orbit many planets. A man-made satellite is also possible, such as the International Space Station.

The belt of asteroids is located between the orbits of Mars and Jupiter. The asteroids in this region, known as the main belt, are made up of small rocky bodies that orbit the sun in a region between about 2.2 and 3.2 astronomical units (AU) from the sun.

The distance from the sun to the Earth is about 1 AU, and the distance from the sun to Venus is about 0.7 AU, so the main belt is located beyond the orbits of both Venus and Earth.

The orbits of Saturn and Uranus are much farther out from the sun, at distances of about 9.5 and 19.2 AU, respectively, so the main belt is not located between these planets.

Hence, The main belt is not located between these all planets.

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Answer:

1)x=2

2)4<x

3)x<4/5

4)1<x

Applying the triangle sum theorem, the measures of the angles are:

m∠1 = 30°

m∠1 = 60°

The triangle sum theorem states that we will always have a sum of 180 degrees when we add all interior angles of a triangle.

Therefore:

m∠2 = 180 - 90 - 30 [triangle sum theorem]

m∠2 = 60°

Angle 1 and Angle 2 are complementary angles, therefore:

m∠1 + m∠2 = 90

Substitute

m∠1 + 60 = 90

m∠1 = 90 - 60

m∠1 = 30°

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The graphs and the equations are matched and mentioned above.

Function : In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function

Expression : A mathematical expression is made up of terms (constants and variables) separated by mathematical operators

Equation : A mathematical equation is used to equate two expressions.

Given is a graph of the function as shown in the image.

The function g(x) = f(x) + 2, is represented by graph [1].

The function h(x) = f(x + 2), is represented by graph [6].

The function k(x) = f(x) - 2, is represented by graph [3].

The function g(x) = f(x - 2), is represented by graph [5].

Therefore, the graphs and the equations are matched and mentioned above.

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The sample proportion is 0.5507, standard error is 0.0151, margin error is 0.030 and population proportion fall between 0.521<p<0.58

A.

One has 95% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.

The sample proportion, pcap = 0.5507

b) sample size, n= 1084

The standard error of the mean, or simply standard error, indicates how different the population mean is likely to be from a sample mean.

standard error, SE = [tex]\sqrt{(pcap*(1-pcap)/n)}[/tex]

SE=[tex]\sqrt{(0.5507*(1-0.5507)/1084)}[/tex]= 0.0151

Given Cl level is 95%, hence [tex]\alpha =1-0.95=0.05[/tex]

[tex]\frac{\alpha }{2}= \frac{0.05}{2}= 0.025[/tex]

Zc=Z[tex](\frac{\alpha }{2} )=1.96[/tex]

Margin of errors, in statistics, is the degree of error in results received from random sampling surveys.

Margin of error, ME = zc×SE

ME= 1.96×0.0151

ME= 0.030

c) Cl= (pcap-z×SE, pcap+z×SE)

Cl = (0.5507-1.96×0.0151, 0.5507+1.96×0.0151)

Cl= (0.521, 0.58)

0.521<p<0.58

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The amount of time required for an assembly line worker to complete a repetitive task is measured using a time and motion study.

According to the data, the average time it takes to move apart from the bin to its place on a car's chassis is 11 seconds, while the standard deviation is 2 seconds.

If XX and YY are independent, the property mean and variance are as follows: X 1 = 11; sigma_X_1 = 2, X 1 = 2, mu_X_2 = 20, X 2 = 20, sigma_X_2 = 4, and X 2 = 4.

aX+bY = a X + b Y; sigma_aX+bY = a X + b Y; aX+bY 2 = a 2 X 2 + b 2 Y 2; and finally, we have the following results:

X 1 + X 2 = X 1 + X 2 = 11+20=31 sigma_X_1+X_2=sqrtsigma_X_1+sigma_X_2=sqrtsigma_X_1+sigma_X_2=sqrtsigma_X_2=sqrtsigma_X_2=sqrtsigma_X_2=sqrtsigma_X_1+

The value reduced by the mean and divided by the standard deviation is the z-score:

z=\dfrac{x-\mu} {\sigma} =\dfrac{30-4.4721} \approx - 0.22

z=σx−μ =4.472130−31

≈−0.22

Decide the relating esteem utilizing table A:

P (X_1+X_2 30) = P(Z-0.22) = 0.4129 P (X 1 30) = P(Z-0.22) = 0.4129

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The correct answer is O 1:2:3. In a free-falling object, its acceleration due to gravity is constant.

Distance is the physical separation between two points or objects. It is usually measured in miles, kilometers, or meters. Distance can be used to measure the length of a journey, the size of an area, or the difference between two locations. Distance is also used to measure the time taken to travel, the speed of an object, or the strength of a signal. Distance is an important concept in physics and mathematics, and it is fundamental to the understanding of the universe.

This means that the distance covered in each 1-second time interval is directly proportional to the square of the time elapsed. Therefore, the ratio of distances traveled during each 1-second time interval by the object during the first, second, and third seconds of its fall will be 1:2:3.

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Answer:

The answer for the above question is:

b)2

When solving a word problem using a system of equations with two unknowns, you must create two equations. So, correct option is B.

The reason is that each unknown in the problem requires an equation to represent its relationship with the other variables.

For example, let's say you have two unknowns, x and y. You need two equations to define the relationships between these variables. These equations can be represented as:

Equation 1: x + y = 10 (This equation represents the relationship between x and y based on the given information in the problem.)

Equation 2: 2x - y = 4 (This equation represents another relationship between x and y based on additional information provided in the problem.)

With a system of two equations involving two unknowns, you can use algebraic methods such as substitution or elimination to solve for the values of x and y.

Having only one equation would not be enough to determine unique values for both x and y, as there would be an infinite number of possible solutions. On the other hand, having more than two equations might lead to over-determining the system, making it inconsistent or redundant.

Therefore, two equations are the minimum required to solve for two unknowns effectively. So, correct option is B.

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The alpha value is the threshold for statistical significance.

Confidence levels must be decided upon in advance when conducting a survey since they affect the survey's essential scope and error margin. Confidence intervals of 90, 95, and 99% are widely employed in surveys.

A determined statistical result that was based on a sample would likewise hold true for the entire population within the established confidence level if the confidence level were set at 95%.

The probability cutoff for statistical significance is the alpha value. Although p = 0.05 is the most typical alpha value, 0.1, 0.01, and even 0.001 have also been utilized. To choose which alpha value to utilize, it is best to look at the research articles that have been published on your subject.

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Answer:

1099

Step-by-step explanation:

Use a calculator

The true statement about the graph include:

1. The y-intercept represents the orders for hot chocolate on a day when the outside temperature was 52°F.

2. Sheryl gets 160 orders for hot chocolate on a day when the outside temperature is 52°F.

It is clearly mentioned on graph above 52 degrees fahrenheit. So y-intercept represents the orders for hot chocolate when the outside temparature was 52 F.

For every 16° increase in temparature above 52°F there is a decrease of 32 orders. Therefore for each degree increase above 52°F decrease in order = 32/16 => 2

So Sheryl gets 2 few orders for each degree decrease in temperature above 52°F. The slope of the line represents the decrease in numbers of order per degree increase in temparature.

As graph starts with 52oF and the number of orders on it is 160; So, Sheryl gets 160 orders when outside temparature is 52°F.

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The factorization of the given expression is obtained as (x + 1)(x + 5).

In order to factorize an expression first find all the terms that have the common factors. Then, write those terms in the form of product of factors. This is the way to factorize an expression.

The given algebraic expression is (x + 1)²+ 3(x + 1) + x + 1

It can be factorized as follows,

(x + 1)²+ 3(x + 1) + x + 1

⇒ (x + 1)²+ 3(x + 1) + (x + 1)

⇒ (x + 1)²+ 4(x + 1)

In all the three terms the common factor is (x + 1).

Take (x + 1) as common to get,

(x + 1)(x + 1 + 4)

⇒ (x + 1)(x + 5)

Hence, the given algebraic expression can be factorized as (x + 1)(x + 5).

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