At an amusement park, guests have to take either a train or a boat 3 miles from the parking lot to the front entrance and then back when they leave the park. The train goes 5 mph faster than the boat. Sarah takes the train into the park and the boat on her way back when she leaves. The boat goes an average speed of 15 mph. Remember D=rt. a) Set up a rational expression that represents the total time for her round trip. b) How long did the round trip take? a) Expression for total time: Numerator = %3D Denominator = b) Total time to the nearest hundredth of an hour

Q: The Panamanian Balboa, a currency coin in Panama, is 1.35mm thick. If we stack up 20,000 balboas,…

A: Given: Thickness of one Balboa=1.35 mm            Total number of Balboas=20,000To find: Height of…

Q: what is 0.3 x 0.6

A: A fraction is a number in the form xy (where x and y are both integers and y≠0). In the above number…

Q: Write a 2-digit number that rounds to 100 when rounding to the nearest hundred.

A: Any number between 51 to 99

Q: I have to convert the number to decimal format,  so the question is 0.000072 x 0.5.  round final…

A: The number in the decimal format is as follows:

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A:

Q: Write a numerical expression representing the following statement: "twelve plus twenty-one"

A: Given query is to write the statement mathematically.

Q: The population of a certain city increased by 17,000 people write a signed number to represents the…

A: Signed number to represent the population change is

Q: The average volume of a red blood cell in a certain animal is 0.000000000000014 liter. Write this…

A:

Q: Evaluate the following expression. Express your answer as a fraction or a decimal number rounded to…

A: We want to express the answer as a fraction or a decimal number rounded to four decimal places.…

Q: Sam uses a calculator to multiply 666, 666x7,777,777. The calculator's answer is displayed as…

A:

Q: Locate the following numbers on the real number line: -3.25, e, square root of 18, 9/4.

A: Topic = number system

Q: Which numbers, when rounded to the nearest 10 and to the nearest 100, equals 800?

A:

Q: I need to write 17.125 lb as a compound denominated number using pounds and ounces

A: Given 17.125 lb.

Q: Plot and 1 on the umberine below

A: Topic = Algebra

Q: 19. Describe the following numbers in the most accurate way. 100 √81, -5², 12 10 2

A: Given,  81, -52, 10010, 12

Q: find the geometric mean between the two numbers , round to the nearest tenth if necessary

A:

Q: Is 1.0227 a rational number explain

A: Is 1.0227 a rational number explain

Q: Express 10,750 feet as a compound denominate nunber using miles and feet

A: Explanation of the answer is as follows

Q: it gramma(11) in the numberator. not 1. Can you doublecheck?

A: f(y)=Γ(11)Γ(3)Γ(8)y3−1(1−y)8−1;0≤y≤1     Which is a Beta distribution and can be also written…

Q: How to create three different numbers with a gcf of 6 and lcm of 630?

A: Here is the answer below:

Q: Simplify the following expression: 15 27 160 2 15 27 40

A: Topic = Algebra

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.