Kelvin

This page lists questions and answers that were posted by visitors named Kelvin.

Questions

The following questions were asked by visitors named Kelvin.

Hi there! Can you tell me about history of China and/or its economy? What is their current issue/political system? Can you suggest any credible source that I can look up for those information? Thx.

"Hi there! Can you tell me about economics of China? Can you suggest any credible source that I can look up for those information?

Hi there, What is the criticisms of advertising? Any sites that talk about the criticisms of advertising?

For the reaction NO(g) + O3(g) „_ NO2(g) + O2(g) The frequency factor A is 8.7 X 1012 s-1 and the activation energy is 63kJ/mol. What is the rate constant for the reaction at 75 ¢XC?

This year my teacher read us the book The Phantom Tollbooth, and since then I've been having strange dreams about drving in usuaual places and paying tolls unusual characters.Last night I dreamed about highway in the clouds near the mythical Mt. Olympus....

The senior class was being lined up by height-shortest to tallest- for the graduation ceremony. Bert is shorter than Phillip, Jessie is taller than Michelle,and Michelle is shorter than Bert. Once they were lined up, Phillip was three people taller than M...

The farmers boy is going to market again. This time he's taking his faithful dog, two geese,and three bags of corn. He again has to cross the river,but this time he can only carry two items across at a time. He knows if he leaves tham alone, the dog will...

If x represents the total number of bags a person checks and each person checks more than two bags, the equation below can be used to determine C, the total fee for all the bags. 20 + 25 + 50(x - 2) = C Arianna paid a total of $145 to check all her bags o...

A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price...

Maya and Sally were the two finalists in a singing competition. The person with the most votes from the audience was chosen as the winner. Sally received 25% of the total votes and lost by 62,500 votes. No person in the audience was allowed to vote more t...

Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?

Solve x: 2 over 5x+2=10

Using complete sentences, explain how to graph y = x - 2 using the slope-intercept method.

An ice cube is melting such that the side of the cube is decreasing at the rate of 1/4 t^2 cm / min. It is given that the side of the cube is 8cm at the start of the experiment. Calculate the length of the side of the cube when t = 4? ( answer 2 2/3 cm)

Find the area of a triangle with sides of length 5 and 8 and included angle 74°. (Round your answer to one decimal place.)

Evaluate the following as true or false. If the Earth shrank in size, but all other factors remained the same, all of its satellites, including the Moon, would fly off into space. a) True b) False

For which of the following situations can the equation F = mg not be used to calculate the force due to gravity? a) The pull of gravity on an apple on the surface of the Earth. b) The pull of gravity on an airplane flying at an altitude of 8 km above the...

(x^2+y^2)^2=4(x^2-y^2) Equation of a lemniscate curve

54% of the children in a large city are boys. Using a suitable approximation, calculate the probability that a random sample of 1000 children contains more boys than girls ?

How many grams of Ag2CO3 will precipitate when excess K2CO3 solution is added to 70.0 mL of 0.692 M AgNO3 solution? 2AgNO3(aq) + K2CO3(aq) --> Ag2CO3(s) + 2KNO3(aq)

A 58 kg woman is ice-skating toward the east on a frictionless frozen lake when she collides with a 94 kg man who is ice-skating toward the west. The maximum force exerted on the woman by the man during the collision is 210 N, west. Take east to be the po...

(1) A cone has height of 8cm and circular radius 6cm calculate (a) It's Volume (b) It's Slant Height (c) The Curved Surface Area (d) The Total Surface Area

Brianna is a flight student and is in the process of acquiring her private license in a Solo flight she uses a single engine airplane and travels a distance of 15 meters before takeoff in the air she travels at an approximate rate of 27 m/s on there no wi...

What are answers to week 26 for forth grade

Identify and explain four types of risk behavior amongst teenagers by means of examples

function of liver

name and explain the laws that protect the citizens against xenophobia

Two towns P and Q lie on the same parallel latitude such that P is due east of Q. When local time at Q is 9.50am , the local time at P is 3.12pm. ( a) Find the longitude difference between P and Q (2mks) ( b) Given that the longitude of P is 52°E , find t...

Which of the following is a requirement for naturalization in the United States

If 197.1 mL of SO3 is collected (measured at 324 K and 52.6 mmHg) what is the percent yield of the reaction?

the longest side of a triangle measure 267m.If two angles 37 and 48 what is the shortest side and it angle

The travel timetable below shows the departure and arrival timer for a bus flying between two towns M and R,300km apart Town M arrival departure 0830h,N arrival 1000h departure 1020h,P arrival 1310h departure 1340h,Q arrival 1510h departure 1520,R arrival...

Log(x^2-x+2) base 2=1+2logx.... solve for x

You are principal speaker in school debate on the motion.boys and girls should be assigned equal work at home .write your entry for or against the motion

the points a, b and c have position vectors a 2i + j - k, b = 3i + 4j - 2k and c = 5i - j + 2k respectively relative to a fixed origin o. the position e lies on ba produced so that be = 3ba. write down the position vector is. the line ce cuts the line ad...

What is dilution and its types providing examples to each type

Construct a quadratic equation given that the roots are-5 and x=-2/9

Answers

The following answers were posted by visitors named Kelvin.

Tan^3(xy^2+y)=x Use derivative

(x^2+y^2)^2=4(x^2-y^2) Equation of a lemniscate curve ?! Can you solve this

Find .... Tan^3(xy^2+y)=x Use derivative

The Portuguese then!

please show me the calculations and the answer.Thank you.

Pls help me do it for me

Town Y = 60°W Procedures: A. Locate the places involved B. Find the time difference C. Convert the time difference to longitude D. Adjust the longitude to the direction of movement (west or east) A. 8am comes before 2pm So Town Y is in West B. 8—2 = 6hrs...

I don't understand

You are principal speaker in school debate on the motion.boys and girls should be assigned equal work at home .write your entry for or against the motion

At the school prefect you have been ask to Address your school on the falling standard of learning in your school

Explain types of dilution with vivid examples