Tuesday
September 30, 2014

Posts by Megan


Total # Posts: 926

science
Meiosis is reproductive process that produces four haploid sex cells from one diploid cell and ensures offspring will have the same number of chromosomes as the parent organisms.
April 18, 2013

science
Asexual reproduction is a type of reproduction----fission, budding, and regeneration---in which a new organism is produced from one organism and has DNA identical to the parent organism. Sexual reproduction is a type of reproduction in which two sex cells, usually an egg and a...
April 18, 2013

Math
Thanks
April 18, 2013

Math
I know that I am saying this is how I am going to explain it. There is an answer choice it has: choice a)n/18 = 252 Choice b) 252/n = 18 Choice c) 18=n/252 Choice d) 252= 18/n Which is correct?
April 18, 2013

Math
Because I don't know how to post answer choices in FRACTION form???????
April 18, 2013

Math
All of my answer choices are in fraction form....
April 18, 2013

Math
Pam gave 252 water balloons to the people who came to a summer party. Each person received 18 balloons. Which equation can be used to find n, the number of people who came to the party?
April 18, 2013

Precalculus
Jessica deposited $785 into an account that pays 6.2% interest compounded continuously. How long will it take until Jessica has $1000?
April 8, 2013

Statistics
IQ score are normally distributed with a mean of 95 and a standard deviation of 17. If the sample size is n=36 find the mean and standard distribution of sample mean
April 7, 2013

Science
How do the oceans support life? How have the oceans and their marine life changed through time?
April 5, 2013

Chemistry
Okay so I'm having a brainfart here. I'm doing a titration problem and have got to the point of: 3.6x10^9 = (.01218-x)/(x)(.00316+x) I don't know how to proceed from there and use the quadratic formula as silly as it sounds. Any help would be appreciated!
April 4, 2013

Math
So then the equals 3.3 ???? thats not an answer choice
April 4, 2013

Math
One week, Mrs. Peterson went to her health club on Monday, Wednesday, and Friday. Each day she went to the club, she jogged on the treadmill for 3/5 hour, lifted weights for 1/4 hour, and then cooled down by stretching for 1/4 hour. On Saturday, she rode her bike for 3/4 hour...
April 4, 2013

Algebra 1
4. What is the value of the 11th term in the sequence? -1 , 5 , 11 , 17 , 23 , ...
April 4, 2013

physics
Calculate the mass needed in order to suspend the leg shown in the figure(Figure 1) . Assume the leg (with cast) has a mass of 14.0 , and its CG is 34.0 from the hip joint; the sling is 81.5 from the hip joint.
March 22, 2013

Accounting 1
Red Bank Enterprises was involved in the following transactions during the fiscal year ending October 31: 8/2: Borrowed $75,000 from the Bank of Kingsville by signing a 120-day note. 8/20: Issued a $40,000 note to Harris Motors for the purchase of a $40,000 delivery truck. The...
March 20, 2013

Help!!!
Help!!!
March 18, 2013

chemistry
Help??
March 18, 2013

chemistry
It was a very cold day -10 C. Victor went outside to pick up the morning newspaper. He quickly noticed the icicle that formed on the nearby flagpole. Curiosity got the best of him, and he decided to lick the ice on the flagpole. Instantly, Victor's tongue is attached to ...
March 18, 2013

Math
The total resistance of two circuits in parallel is 18 ohms and one circuit has five times the resistance of the other, find the resistance of each circuit. Use 1/R=1/R1+1/R2. R1 and R2 are two individual resistances. a)Find the smaller resistance b)Find the larger resistance
March 12, 2013

Math
The total resistance of two circuits in parallel is 15 ohms and one circuit has five times the resistance of the other, find the resistance of each circuit. Use 1/R=1/R1+1/R2. R1 and R2 are two individual resistances. a)Find the smaller resistance b)Find the larger resistance
March 12, 2013

math
a person can copy the final exam in 28 minutes using a new copy machine. using an old copy machine, it takes 70 minutes. if both machines are used, how long will it take to complete the job
March 12, 2013

Math
someone can mow his lawn in 48 minutes. if his daughter helps, they can do it in 40 minutes, how long would it take for his daughter to mow the lawn by herself?
March 11, 2013

physics
The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What is the wavelength of visible light emitted at 7.2 × 108 MHz? Answer in units of m
March 5, 2013

Science
How do mutations lead to cancer?
February 28, 2013

Science
How do mutations lead to cancer?
February 28, 2013

Math
so 6km/hr is the answer??
February 27, 2013

Science
Thanks so you add 3+4+2.5=9.5 for distance. 25+40+30=95 9.5km/95min=0.1km/min=6 km/hr. so 6km/hr is the answer to everything or this whole problem?
February 27, 2013

Science
Help!!!!!!
February 27, 2013

Science
George walks 3 km on Monday and 4 km of Tuesday and 2.5 km on Thursday. On Monday, he walks 25 mins., Tuesday 40 mins., and Thursday 30 mins. What is his average speed? d= t= help please
February 27, 2013

chemistry
A catalytic converter combines 2.55 g CO with excess O2. What mass of CO2 forms?
February 27, 2013

math
I am sorry you are just confusing me by all these numbers!!!!!!!!!!!!
February 21, 2013

math
So 975$ is the answer to the whole math problem?
February 21, 2013

math
Okay.
February 21, 2013

math
Okay thanks I kind of understsnd it now
February 21, 2013

math
Thanks Jessica? But I dont know
February 21, 2013

math
Then the answer is the$750?
February 21, 2013

math
Is the answer $84?
February 21, 2013

math
Would I divide 300 by 2.50?
February 21, 2013

math
Hello! I am confused on how to do this math problem. Can you please help me or explain how you get this answer please? Miriam orders a shipment of 1, 500 pounds of ice for her supermarket. The ice comes in individual 5-pound bags that cost Miriam orders$2.50 each. Miriam sells...
February 21, 2013

Chemistry
PLease Help me!!!!!!!!!!!
February 18, 2013

Chemistry
Help!!!!!!!!!!!! Fe + CuSO4 --> Cu + FeSO4 2.05g 7.00g 2.46g 151.8g Which reactant was limiting and how does this chemical equation support this? The numbers beneath the names are the masses in grams.
February 18, 2013

math
75%? Who is Jessica?
February 7, 2013

math
Find the % of Discount Regular Price $25,000 Sale Price $22,000
February 7, 2013

Math
Now how would I do this? This is so confusing. LUNCH You bought 3 pieces of chicken that cost x dollars each, a salad for $3, and a drink for $1.
February 5, 2013

Math
4(y-3)+9-3y I come out and get 4y-12+9-3y What do I do now? I'm so confused! I don't know it !:(
February 5, 2013

Math
Hello! I am needing some help on Algebra! It is hard ! Can you explain how to Simplify Algebraic Expressions? The easiest way? I have a test over it Friday, and i can't understand it at all! Can you help with these and explain? -12z+4(z-9)+30+z and 4(y-3)+9-3y
February 5, 2013

chemistry
would the ratio of moles of Cu:moles of CuCl2 differ from atoms of Cu:formula units of CuCl2? Why or Why not?
February 5, 2013

Spanish
1) B 2)C 3)B 4) B
February 4, 2013

Science
Hello Steve. I have another question... why is Meiosis important?
February 4, 2013

math
Thank u. Can you also help me at -19 (v-1)
February 4, 2013

math
It was supposed to be (-32-s)(-9). I copied it wrong, Sorry Steve!
February 4, 2013

math
(-32)-s (-9) I am not good at algebra. I am supposed to use the distributive property, but not sure where to begin.
February 4, 2013

Math
$45 at 2% for 5 years
January 22, 2013

Math
$45 at 2% for 5 years
January 22, 2013

Alegbra
Find the range of the relation [(1, -4), (2,5), (3,5)]. Then determine whether the relation is a function.
January 17, 2013

chemistry
What is the molarity of an HCl solution if 38.5 mL of it is titrated to the equivalence point with 41.6 mL of a 1.41 M NaOH solution?
January 13, 2013

math
how can you use a right angle to decide how to name another angle?
January 8, 2013

geometry
the endpoints of the diameter of circle O are (-2,-1) and (-16,13). what are the coordinates of its center?
January 8, 2013

physical science
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find the number of moles of oxygen that are needed to form 6 mol of Fe2O3. Show your work.
January 7, 2013

Chemistry
When 100 mL of Ba(NO3)2 solution at 25 degrees Celsius is mixed with 100 mL solution CaSO4 solution at 25 degrees Celsius in calorimeter, the white solid BaSO4 forms and the temperature of the mixture increases to 28.1 degrees Celsius. Assuming that the calorimeter absorbs ...
December 9, 2012

Chemistry
Explain in step by step and provide calculations to show how you can prepare 1.50 L of 0.10 M H2SO4 solution starting with 16 M H2SO4
December 9, 2012

Physics
An object weighing 400.0g in air is immersed in water after being tied to a string connected to a balance. The scale now reads 364.6g. a.) Find the loss of weight(in gram of weight) when completely submersed in water. b.) Find the volume of the object in cm^3 and in m^3. c.) ...
December 5, 2012

Physics- Elena please help!
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm. (a) What is the speed of the wave? (b) What is the fundamental wavelength for this string? (c) What is the fundamental frequency for this string? (d)What is the highest resonant ...
December 3, 2012

Physics- Someone Please Help!!!
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm. (a) What is the speed of the wave? (b) What is the fundamental wavelength for this string? (c) What is the fundamental frequency for this string? (d)What is the highest resonant ...
December 3, 2012

Physics- PLEASE HELP
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm. (a) What is the speed of the wave? (b) What is the fundamental wavelength for this string? (c) What is the fundamental frequency for this string? (d)What is the highest resonant ...
December 3, 2012

Physics- PLEASE HELP
A 60.00 cm guitar string under a tension of 46.000 N has a mass per unit length of 0.11000 g/ cm. (a) What is the speed of the wave? (b) What is the fundamental wavelength for this string? (c) What is the fundamental frequency for this string? (d)What is the highest resonant ...
December 2, 2012

Intermediate Algebra
what is 2x to the second power equals 54
December 1, 2012

math
Thanks!
November 5, 2012

math
The election results indicate that 131.2 million Americans voted in the 2008 presidential election. This was approximately 63% of the eligible voters. How many Americans were eligible to vote in the election?
November 5, 2012

science
Betty is sledding down a hill going 12 m/s. She hits a very steep patch and starts to speed up 1.5 m/s2. How fast will Betty be moving 2 seconds later?
October 25, 2012

Physics- Elena please help!
I'm not getting the right values! I think they are too large, can you tell me what you are getting so I can try and figure out where I am going wrong!
October 18, 2012

Physics- Elena please help!
(b)What was the speed of the bullet at impact with the block?
October 18, 2012

Physics- Elena please help!
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 18, 2012

Physics- PLEASE HELP
A 58.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with(b) If the ball is in contact with the players head for 19 ms, what is the average acceleration of the ball? a speed of 26.0 m/s. If the player was moving upward with...
October 17, 2012

Physics
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.29 m/s, and Billy is initially at rest. After the ...
October 17, 2012

Physics
A man claims he can safely hold on to a 12.80 kg child in a head-on collision with a relative speed of 133. mi/h lasting for 0.100 s as long as he has his seat belt on. (a) Find the magnitude of the average force needed to hold onto the child.
October 17, 2012

Physics URGENT!!!
Thank you!
October 17, 2012

Physics URGENT!!!
Can you give me the values so I can compare, I don't think I am getting the right values!
October 17, 2012

Physics URGENT!!!
A 75.0 kg fullback running east with a speed of 6.00 m/s is tackled by a 82.0 kg opponent running north with a speed of 5.00 m/s. (a) Calculate the velocity of the players immediately after the tackle. (b)Calculate the direction of the players immediately after the tackle.(c)...
October 17, 2012

Physics- Elena please help!
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 16, 2012

Physics HELP!
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 16, 2012

Math. test tomorrow. help!
In 1960, the population was 291000. In 1970, the population was 480000. Assuming exponential growth, what is the annual percent rate? and doubling time? The answers are 5.13% and 14 years. I do not know how to get this though :( Please help!
October 14, 2012

please help. Test tomorrow
thanks:)
October 14, 2012

Math. Increases
Please help! test tomorrow
October 14, 2012

Math. Increases
In 1960, the population was 291000. In 1970, the population was 480000. Assuming exponential growth, what is the annual percent rate? and doubling time? The answers are 5.13% and 14 years. I do not know how to get this though :( Please help!
October 14, 2012

Math
On his 13th birthday he was 112 cm tall and on his 14th birthday he was 121cm tall. Assume a geometric monthly growth rate. What is this rate? (%)
October 13, 2012

statistics - probability
Get a study group. loser
October 12, 2012

Algebra
Nevermind...Already got an answer!
October 9, 2012

Algebra
A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture costs 3.18. It contains twice as much peanuts by weight as apples. One pound of dried apples cost $4.48, a pound of raisins costs $2.40, and a pound of ...
October 9, 2012

Chemistry
Write a net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and nitrous acid are combined.
October 8, 2012

Chemistry
Write a net ionic equation for the reaction that occurs when aqueous solutions of hydroiodic acid and barium hydroxide are combined.
October 8, 2012

Physics
A boater wants to head straight across a river that has a current of 3km/hr. If the top speed of the boat in still water is 4km/hr, find the direction the boat must travel into the current to go straight across the river. How fast is the boat going straight across the river?
October 6, 2012

Physics URGENT!!!
Can you give me the values you got so I can compare my answers to make sure I did this right?
October 5, 2012

Physics URGENT!!!
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.510...
October 5, 2012

Chemistry
What can be concluded about Volume in milliliters per celsius, and volume in milliliters per kelvin?
October 4, 2012

Physics- Elena please help!
Two blocks each of mass 3.38 kg are fastened to the top of an elevator as in the figure. (b) If the strings can withstand a maximum tension of 87.8 N, what maximum acceleration can the elevator have before the first string breaks?
October 3, 2012

Science
Calculate the molarity of a solution formed using 55.4 g of AgNO3 in enough water to form 250 ml of solution.
October 1, 2012

physics
A woman with a mass of 41 kg runs at a speed of 7 m/s and jumps onto a giant 30 kg skateboard initially at rest. What is the combined speed of the woman and the skateboard?
September 26, 2012

math
A rectangle is 4 inches longer than it is wide and has an area of 165 square inches. Find its dimensions
September 25, 2012

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