Tuesday
July 29, 2014

Posts by MAry


Total # Posts: 3,237

Math
Can you explain to me the procedure to get 32 tiles. Thank you for your help.

chemistry
A gas cylinder of volume 5.00 L contains 1.00 g of Ar and 0.500 g of Ne. The temperature is 275 K. Find the partial pressure of Ne.

Math
Yes 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90

Math
The secret number has a 7 in the ones place.The tens number is an odd number.

mary
The secret number has a 7 in the ones place.Then tens number is an odd number.

chemistry
An object with a mass of 7.8 g raises the level of water in a graduated cylinder from 25.1 mL to 31.8 mL. What is the density of the object?

Math
The secret number has a 7 in the on place. The tens number is a ann odd number.

Math
Reasonnablenes the flag that Nico waves has an odd number in the ones place and even number in the tens place.what flag does he wave? Number on racing flag red flag 25 blue flag14 yellow 32 green flag 6 orange flag 17

chemistry
Have 250 mL of a 0.80 M solution of silver nitrate AgNO3 dissolved in water. how many grams of AgNO3 does the solution contain

chemistry
If the maximum sensitivity of absorbance is at 450nm would the same value of K be obtain at 400nm or 500nm? Please explain.

MATH HELP PLEASE!
Let c be a positive integer with 1<=c<=n. Show that the set: W ={ó exists in Sn such that ó(c)=c} is a subgroup of Sn. (The set W is called the stabilizer of c, because every element in W leaves c fixed.)

Math
1/8b = 6 what is b=

Physics
A sled is being held at rest on a slope that makes an angle (theta) with the horizontal. After the sled is released, it slides a distance (d1) down the slope and then covers the distance (d2) along the horizontal terrain before stopping. Find the coefficient of kinetic frictio...

Algebra-Help please
Thank you very much Steve.

Algebra-Help please
Write the equation of the line parallel to the line y+2x+3 containing the point (2,6). Slope intercept form.

Spelling vowels.
I need the sinomo job , task

operating car
it is important to make sure that any person selling you a car has?

Math
25=53 25>53 53<25 53>25

Math
A blue jar has 25 marbles A red jar has 53 marbles .Which shows how to compare the number of marbles?

Math
My tens digit is double my one digit.I am less than 70 greater than 60.

Math
Journal one box hold 16 crayons another box jold 24 crayons. Write a sentence using word that compares the crayons in the the two boxes.

Algebra 2
Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. If d represents the distance in miles, and t...

Mathematics
If a brick weighs exactly as much as a 9-pound rock plus falf of another brick, what does a brick and a half weigh?

chemistry
How does Le Chatelier's principle explain the result you obtained when you added HCL to a suspension of Ca(OH)2 in water? Where the result was, precipiatate dissappeared and an increase in temperature resulted.

Chemistry
How does Le Chatelier's principle explain the result you obtained when you added HCL to a suspension of Ca(OH)2 in water?

math
Ture or false questions: Your teacher gives a true-false pop quiz with 10 questions. Show that the number of possible outcomes for the sample space of possible sequences of 10 answers is 1024. I got false and the number is 182 but dont think I have the right number. Some help me.

Physics
To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.600 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 5.10 m/s2. Find values for (a) rA, (b...

Physics
The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground some distance away. The world r...

Math
Jim uses his calculator to see if a number n having eight or fewer digits is divisble by a number d. He finds that n / d has a display of 32. Does d|n? Why? b. If n / d gives a display of 16.8, does d|n? Why?

chemistry ASAP
calculate the average atomic mass of element x in which the first isotope found in 28.5% abundance weighs 200.0 amu and the other isotope weighs 220.0 amu.

chemistry ASAP
calculate the average atomic mass of element x in which the first isotope found in 28.5% abundance weighs 200.0 amu and the other isotope weighs 220.0 amu.

Math
The smallest real number in the solution set of 2x > 6 is 4. A) True B) False - The smallest real number in the solution set of 2x > 6 is 3. C) False - The smallest real number in the solution set of 2x > 6 is a number greater than 3. For example, 3.01 is a real numb...

math elementary
double the biggest number then take away one eg 4+4=8-1=7 that is the example of 4+3=7

math
a bird flies due north 2 miles then east 3 miles then north 4 miles then east 5 miles how far is the nest from the ocean

statistics
There are approximately 27 class days for Applied Statistics this semester. If you miss 3 classes, approximately what percent of the course have you missed?

Algebra
A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?

math
a piece of a fabric is cut into 12 lengths with 3 inches leftover.define a variable and write an expression for the length of the original piece

Calculus
An airplane is flying in still air with an airspeed of 325 miles per hour. If it is climbing at an angle of 20°, find the rate at which it is gaining altitude.

chemistry
With the aid of a labelled diagram,explain how molten Aluminium Oxide (bauxite) is electrolysed.

Math - urgent
Evaluate the definite integral 8 S (3x^2 + 3)/(x^2) dx 5 Not sure which substitution to use. Please show your work & explain. Thanks

2nd grade math homework
umm... yah duh

Social Studies
How did Henry the Navigator help more people explore??

stast
a populstion of n=6 score has sum=12 and sum square= 54 what isthe value of ss for this population?

statstics
a population of score has u=50 and standard devidation =10 if every score in the population is multipied by 2 the new mean and standard would be

stast
a populstion of n=6 score has sum=12 and sum square= 54 what isthe value of ss for this population?

statistic
a population of n = 100 score has u = 30 and standard deviation =4 what is the population variance

math
a bullet travels 1000 m in 1.17 seconds. what is the speed of the bullet

Calculus
Form a polynomial, f(x) with real coefficients having the given degree and zeros. Degree: 4 ; Zeros: 4i and 5i Really need help! don't know where to start.

Financial management
On December 31 of last year, Wolfson Corporation had in inventory 400 units of its product, which cost $21 per unit to produce. During January, the company produced 800 units at a cost of $24 per unit. Assuming that Wolfson Corporation sold 700 units in January, what was the c...

math
Number of People You Have Known Who Were Victims of Homicide # of Victims Frequency 0 3944 1 279 2 97 3 40 4 30 Find the median. Note that the “4 or more” category is not problematic for it. I know that the median is the middle number. I got 1.5 but book got 0. Pleas...

Math
Number of People You Have Known Who Were Victims of Homicide # of Victims Frequency 0 3944 1 279 2 97 3 40 4 30 Find the median. Note that the “4 or more” category is not problematic for it. I know that the median is the middle number. I got 1.5 but book got 0. Pleas...

math
THank u I was lost.

math
Number of People You Have Known Who Were Victims of Homicide # of Victims Frequency 0 3944 1 279 2 97 3 40 4 30 a. To find the mean, it is necessary to give a score to the “4 or more” category. Find it, using the score 4.5. (In practice, you might try a few different...

chemistry
A 13.5 g sample of X reacts with a sample of Y to form 81.1 g of XY. What is the mass of Y that reacted?

Maths
Evaluate the limit lim 7e(^-6x) as x -> infinity. Thanks

Business
Thank YOu

Business
Assignment is: One organization must compete in the domestic market and one in the global market, such as Southwest Airlines and Lufthansa. I want to do my paper on something else besides airlines like drug manufacturing but I do not know any company that is global any ideas I...

guilford tech
If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 2.5 h, a swimmer makes exactly 26 laps in a swimming pool that is 37 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the swi...

University Math
If f (x) = (x^2+5x+2)^2, find f'(x). Find f'(5). Please show your work and explain it so I can understand how to solve this. Thanks

science
WRITE, in no less than 300 words, a brief summary tracing the nutrition needs of both a man and a woman throughout the various stages of life. Address the nutritional needs for the following: Infants Teenagers Adults Women during pregnancy Older adults Post your response as a ...

early childhood
It is likely that a preschooler who learns to read early: a. will watch a lot of television b. will enjoy playing outdoors, as do other children c. will watch less television than other children d. will enjoy playing outdoors, as do other children and will watch less televisio...

English
Is the word 'with' capitalized in a title if it is located in the middle?

biology
Relate the various levels of organisms to those of nonliving entites. Use specific examples to explain your answers?

governement
i want a news article for my government class to write about what the American Press is saying about the government

governement
any criticism or support the American news is saying about the government.

harding
what is a modus ponens

STRAYER
If $795 is invested in an account that earns 11.75%, compounded annually, what will the account balance be after 27 years?

Biology
My answer was 3.13768 but I'm not sure if I did it right. I converted 28 mM to .028 moles, then multipled that by the molecular mass of NaC3H5O3.

calculus
find and correct any errors x-1 over (5-x) (-x)= 1-x over x (5-x)

government
how does reducing the national debt influence the American population?

English
I was upside down being shaken. Would it be correct to type shaken or shook? Thanks.

english
one more thing i was wondering is this citation for the source correct Nijhuis,Michelle. What’s Killing the Aspen?Smithsonian.Dec. 2008, vol. 39, no. 9. pp. 26-27.

english
Thats how I had it in the Microsoft word but when i copied paste i forgot to double check it. Thank you so much for all your help :)

english
" By 2006, close to 150,000 acres of Colorado aspen were dead or damaged, according to aerial surveys. By the following year, the grim phenomenon had a name – 'sudden aspen decline,' or SAD " (Nijhuis 26).

english
so the corrections for this sentence Two years ago, about 150,000 acres of Colorado aspen had been killed by what scientists deemed “sudden aspen decline,” also known as SAD (Nijhuis 26). is this " By 2006, close to 150,000 acres of Colorado aspen were dead or d...

english
this is what i have to correct Two years ago, about 150,000 acres of Colorado aspen had been killed by what scientists deemed “sudden aspen decline,” also known as SAD (Nijhuis 26).

english
I was wondering if I did this correctly too. 1. Student’s Sentence: Two years ago, about 150,000 acres of Colorado aspen had been killed by what scientists deemed “sudden aspen decline,” also known as SAD (Nijhuis 26). corrected 1- students sentence " By 20...

English
Is the following sentence grammatically correct, or do I need to make it into two sentences? Thanks. I think that explains a lot, don't you? Also, will you please check my grammar on these two items? I think he enjoyed the fact that his prank had a two for the price of one...

english
ok,thank you :)

english
omg thank you like sooo soooo much does this look better? Aspen are experiencing a massive illness that is spreading through Wyoming and Utah. "Surveys of two national forests in Arizona showed that from 2000 to 1007, lower-elevation areas lost 90 percent of their aspens&...

english
Aspen are experiencing a massive illness that is spreading through Wyoming, and Utah. "Surveys of two national forests in Arizona showed that from 2000 to 1007, lower-elevation areas lost 90 percent of their aspens".(Nijhuis, 26).

english
Ill try my best to use correct English. What I think is incorrect in the "Student's sentence" is "lose as many as 90% of the aspen population."

english
this is hard :(

english
i was wondering if i did this correct Each of the following exercises shows the original source, and then a student’s sentence and/or citation about that source. Each sentence and each citation has at least one thing wrong with it (most have more than one). Each of the fo...

History
How did the social unrest of the 1960s take root in the 1950s?

english
this is the second one i was wondering if i did it correct #2- its idea is not correct the information cited isn't the same as in source. 2. Student’s sentence: Aspen are experiencing a massive illness that is spreading through Colorado, Wyoming, and Utah, causing som...

english
this is what i got as a answer i was wondering if it is correct #1- It's borrowing to much language and just switching a couple of words so its still plagiarizing. Each of the following exercises shows the original source, and then a student’s sentence and/or citation...

ALGEBRA2
CAN YOU SOLVE these [2x+3] = 5 and [x+6] = 2x

Algebra 2
I THINK i FIGURED IT OUT D=rt 363= 58t+52t

Algebra 2
I need help setting up an equation for the following word problem: Two buses leave Dallas at the same time and travelin opposite directions. One bus averages 56 mi/h and the other bus averages 52 mi/h. When will they be 363 mi apart?

chem
using what you know about the valence shells of the metals of the periodic table explain why sodium and potassium are most commonly found bound with halides while manganese and calcium are most commonly found bound with carbonatr

Physics
An airplane is flying through a thundercloud at a height of 2100 m. (A very dangerous thing to do because of updrafts, turbulence,and the possibility of electric discharge.) If there is a charge concentration of 20.7 C at height 3280 m within the cloud and −53.1 C ...

algebra
) It took a contractor 1285 hours to manufacture their first unit of an item. If the contractor expects to achieve a 92% unit learning curve, how many hours would be required to manufacture units 51-100? (Use the tables provided in the lesson). 290,475 37,488 284,398 38,289

Geometry
A piece of ribbon is 4 yards long, with no ribbon left over. If each piece is 9 inches ong, what is the value of x?

math
Samir is a short put champion and is planning to participate in the next Olympic Games. He starts to practice and completes 49 throws from a center point in different directions. When he started to measure all the distances, he found that every throw landed in a spot 1-ft away...

math
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.81 inch? (Give the answer to four decimal places.)

Geometry
If L is the midpoint of KM (with a line over the top)and KM = 5x - 6 and LM = 2x + 4, what is the value of x?

Geometry
If KL = 4x -1, LM = 2x - 1, and KM = 2x, what is the value of x?

GEOMETRY
x=9

GEOMETRY
ASSUME L IS BETWEEN K AND M. IF KL =2X, LM=3X-2, AND KM =43, WHAT IS THE VALUE OF X

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