Mai

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

Questions

The following questions were asked by visitors named Mai.

State the main points of the Central Limit Theorem for a mean.

There are two questions that I am having trouble with one says Emily wants 400 ml of a solution that is 11% HC1. If she has only 8% HC1 and 16% HC1, how much of each should she use? and On a trip, Debbie spent as much time on the train as she id on the bu...

18 years ago

Compare the functions of a normal cell and that of a cancer cell with regards to cell division. Discuss the cell cycle control system and checkpoints and how these might be altered in a cancer cell.

17 years ago

using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st ed by phillips libby and libby compute the following ratios for 2002 and 2003 a. earnings per share b. return on assets c. cur...

17 years ago

Hi there, I need help on my homework for chemistry and I do not understand the step on how to work this problem out. Please help me with this problem: On a Sunday morning while having your breakfast you determine that you need about 2.95X10^(5)J to heat w...

16 years ago

I need help on this homework problem and I do not understand how to work on it. Please help me with this problem. The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium...

16 years ago

The relation between the # of time in days, D, it takes for a planet to revolve around the Sun is related to the planer's average distance from the Sun, k, in millions of kilometres is defined by log D= 3/2logk-0.7 . How much longer does it take Mars than...

15 years ago

Hi, what is the gradient of a line that has an angle of inclination of 75°? Any help appreciated

15 years ago

Calculate q when 0.10 g of ice is cooled from 10 degrees C to -75 degrees C (C ice= 2.087 J/ g* K)

14 years ago

What is the median of this set? {π, √25, 15%, √15, 10/4}

14 years ago

There are fifty marbles in a sack: red, blue and green. There are ten more green than blue marbles in the sack. The probability of drawing a red or blue marble is one-half. Write and solve an equation to determine how many of each color marble is in the s...

14 years ago

Four candidates are running for president of the student council. three other candidates are running for vice-president. how many different ways can the two offices be filled?

14 years ago

Explain how you would use the power integration formula to integrate the function f(x) = (1/x^2)-(1/x)+(1/4).

14 years ago

I saw a young girl (stealing, stole, steal, steals) something from the shop. which answer should it be and why?

14 years ago

"The boat is made of paper." Why is the made in the past tense in this sentence? What kind of grammar is this?

14 years ago

how to narrow down a topic about the Egyptian Revolution of 25 January for an argumentative essay??

14 years ago

what are the literay techniques found in a play, a novel, a short story or a poem ?

14 years ago

An air conditioning salesperson receives a base salary of $2850 per month plus a commission. The commission is 2% of the sales up to and including $25,000 for the month and 5% of the sales over $25,000 for the month. a. Write a piecewise function that rel...

11 years ago

Based on your titration of the 150ppm standard solution of Ca2+ calculate the molarity of the EDTA solution we used, which is Ca2+ + EDTA4- ----> [CA(EDTA)]2-

11 years ago

Calcium can also be precipitated out of the solution by adding sodium phosphate (Na3PO4) to form solid calcium phosphate. A.) write a net ionic equation for this process B.)calculate the mass of this precipitate you would generate from treating 1.000 L of...

11 years ago

what is the lewis structure for N-bromosuccinimide?

11 years ago

what is the hybridization of each atom for hydrocyanic acid?

11 years ago

what are the favored geometrical arrangements for abn molecules which the A atom has 2, 3, 4, 5 and 6 pairs of electrons in its valence shell?

11 years ago

How many different N-O bond lengths would you expect to observe in the actual structure of NO3− and why?

11 years ago

what is z effective? Rb+ Al3+ Mg2+ Na+ out of this set which ion is the smallest? which is the largest?

11 years ago

the lattice energy for MgCl2 is -2326 kj/mol, which is much higher than that for NaCl which has a lattice energy of -786 kj/mol. Why is this so? Give at least two contributing factors.

11 years ago

A piece of metal weighing 5.10g at a temperature of 48.6 degree Celsius was placed in a calorimeter in 20.00 mL of water at 22.1 degree Celsius. The final equilibrium temperature was found to be 29.2 degree celsius. What is the specific heat of the metal?

11 years ago

If a particular reaction absorbs 252 kJ of heat while doing 105 kJ of work at constant pressure. What are the ΔE and ΔH for values for the reaction? Is the reaction endothermic or exothermic?

11 years ago

If a particular reaction evolves 192 kJ of heat while expanding from 1.00 L to 2.00 L at 125 atm of pressure, what is the overall energy change for the system?

11 years ago

If 0.50L of gaseous CH4 is burned at STP, what volume of O2 is required for complete combustion? Methane burns in oxygen to produce CO2 and H2O CH4(g) + 2O2(g) --> 2H2O(l) + CO2(g) And what volume of CO2 is produced?

11 years ago

Barbara invested $12,300 at the Midtown Credit Union at 6% compounded monthly for 7 years. What is the effect rate of this investment?

11 years ago

Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this account after 45 years? (The number of years form age 20 to 65))

11 years ago

explain why lysogenic conversion poses a threat to human health

10 years ago

if one person is infected and five successive handshakes follow, how many are infected?

10 years ago

If an object is thrown downward with an initial velocity of v0, then the distance it travels is given by s=4.9t sqrt 2 +v v0t. An object is thrown downward from an airplane 100 m from the ground, with an initial velocity of 6 m/sec. How long does it ta...

9 years ago

During the first part of a trip, a canoeist travels 28 miles at a certain speed. The canoeist travels 9 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip?

9 years ago

Two pipes are connected to the same tank. When working together, they can fill the tank in 12 hrs. The larger pipe, working alone, can fill the tank in 18 hrs less time than the smaller one. How long would the smaller one take, working alone, to fill...

9 years ago

The price of an item changed form $140 to $100. Then later the price increase again from $100 to $140. Which of the two changes was larger in percentage in term and how much percent?

9 years ago

The price of a pair of trousers was decreased by 22% at $30. What was the original price?

9 years ago

Ericka had 7 jars of jelly, and each was 2/5 full. How much jelly did she have?

9 years ago

Select the answer choice that most accurately evaluates whose equation is correct. Tania is partially correct. The amount of money Thu makes, y, is equal to the product of the number of jars he sells and 12, but she is correct that the booth fee is not a...

7 years ago

1. a) On Wednesday, Harry sold 3 times as many candy bars as on Tuesday. On Thursday, he sold 5 times as many bars as on Wednesday. He sold a total of 152 candy bars. How many did he sell each day? b) Bill has 5 times as many baseball cards as Fred. Tim h...

6 years ago

When I round 6396 to 3 significant figures, I get 6400. I was double checking my work and used scientific notation for 6400, which is 6.4*10³, but when I counted the significant figures in scientific notation, I only get 2, which are 6 and 4, but there we...

4 years ago

A family has three children. Let y represent the value of males. What are the possible values of Y?

4 years ago

EMPERATURE A thermometer is guaranteed to give a temperature no more than 1.2°F from the actual temperature. If the thermometer reads 28°F, write and solve an equation to find the maximum and minimum temperatures it could be. (Note: Answer should be absol...

3 years ago

Answers

The following answers were posted by visitors named Mai.

The original question was what i needed to solve, but with the way i changed it, is it correct?

15 years ago

opps, im sorry.. its suppose to be D = (3/2)logk - 0.7

15 years ago

i don't know if i can do it...

14 years ago

@DrBob222: what about the sodium phosphate?

11 years ago

can you give me the website?

11 years ago

its the ABn molecules, which is related to VSPER

11 years ago

what about the delta H?

11 years ago

Mai is saving money to buy a game. So far she has saved $18 , which is two-thirds of the total cost of the game. How much does the game cost?

8 years ago

Anyone help please

4 years ago

c= frequency * Wavelength a) 344 m/s / 25000 = w w= 0.01376 m b) 344 m/s / 30 = w w= 11.4667

Try not to think to hard about it and relax your brain and inhale exhale

3 years ago

NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO, I GOT A 0/5 WHYY WHYYYY WHAAAAAAAAAAAAAAA

2 years ago