Thursday
July 31, 2014

Posts by Kim


Total # Posts: 2,045

physics
A block slides down a 10 angled incline at a constant speed. what is the coefficient of sliding friction between the blocks surface and the incline?

physics
thanks!

physics
A 20 kg sled rests on a horizontal surface. if it takes 75 N to start the sled in motion and 60 N to keep it moving at a constant speed, what are the coefficients of static and kinetic friction respectively? explain please

sciencce
a block slides down an angle 10 incline at a constant speed. what is the coefficient of sliding friction between the block's surface and the incline?

7th grade pre algebra
What is The Answer To This Question Below? Evaluate (m-3.2)(m+4.1)when m=-4.1

Organic Chemistry
When benzyl chloride is treated with sodium iodide in acetone, it reacts much faster than 1-chlorobutane, even though both compounds are primarily alkyl chlorides. Explain this rate difference.

Organic Chemistry
Why is benzyl chloride reactive in both tests, whereas bromobenzene is unreactive?

Organic Chemistry
I think the answer to this question might be because bromide ions are better leaving groups than chloride ions. Someone please help clarify for me! Thanks in advance.

Organic Chemistry
In the tests with sodium iodide in acetone and silver nitrate in ethanol, why should 2-bromobutane react faster than 2-chlorobutane?

algebra
Need to solve. The length of a rectangle is fixed at 30cm. What width s will make the perimeter greater than 98cm? The width must be greater than _____ cm.

algebra
need to solve this. The function H described by H(x)=2.75x+71.48 can be used to perdict the hieght, in centimeters, of a woman whose humerus is x cm long. Perdict the hieght of a woman whose humerus is 37cm long. 37cm long is ____ cm.

Statistics
An automobile in surer has found that repair claims have a mean of $1520 and a stardard deviation of $770. Suppose that the next 100 claims can be ragarded as a random sample from the long-run claims process 1. What is the mean and standrd deviation of the average x(bar) of th...

Algebra
Solve. Ten graph. 4 x > 12 -

Algebra
Graph the equation using the slope and the y-intercept y-4/3 x +4

Algebra College
Ok I will get this typed out. 1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and there are a total of ...

Algebra College
Thank you for the advice. I will do that.

Algebra College
1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56 houses available. Use ...

math
hi i want to see if this works

math
Find all the numbers between 1 and 1000 that have 2 their only prime factor? I can't do it alone some help me!!!!!!!!!!!

Social Studies
what is meaning of motto,or short saying ,on the great seal

Language Arts
swa-swa is an example of a word from ?

math
A pasture has four straight sides. Three sides are 3/8 miles long. It took 1 3/8 miles of fencing to enclose the pasture. What is the length of the fourth side? Using a verbal model write an equation for this situation, where x is the length of the fourth side. Solve the equat...

graphs
graphs are so hard so I really need help

calculus
Expand the binomial: y = (x-3)^4

calculus
Factor the given equation: p(x) = x^3 - 25x

calculus
given the functions: f(x) = x^2 - 1, g(x) = x/x + 2 Why is x^2 - 1/x^2 + 1 the equation of (g o f)(x)?

Math(algebra)
no, I is just like I wrote it

Math(algebra)
Please help me solve this problem 2/5(2x-3)> please show me how this is done

chemistry
I have to seperate salt, sand, steel shot, copper shot, and plastic pellets(one type is heavier than water. Any help? thank you

history
what does it mean that the united states has a mixed economy

Geography
what large land feature lies between the mississippi river and the rocky mountains?

Algebra
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If replacing the equal sign of an equation and put an inequality sign in its polace, is there ever a time when the same value will be a s...

calculus
Find f(x+ (delta)x)- f(x) --------------------- (delta)x if f(x)=8x(squared)+ 1 This is so confusing! What is all the delta x stuff?

math
a wooden pancake looking at milk wizard of gauze

math
a wooden pancake looking at milk wizard of gauze

Algebra 2
Jessica's bank contains 18 quarters & dimes, of which q are quarters. Find the total value of the coins in dollars.

algebra
Solve for x and y 40 / (x+y) = 2.70 40 / (x-y) = 4.70

science can someone please check
how does one cite this in APA form.

writing skils
frequently? /

Algebra
When equations have infinitely many solutions, How would you know this? also, when working on equations that has no solutions, How would I know this? If posible can you give me examples of each. Thank you

urbanization
where di i found this information about 2 award winners?

Financial
Suppose a Midwest Telephone and Telegraph (MTT) Company bond, maturing in 1 year, can be purchased today for $975. Assuming that the bond is held until maturity, the investor will receive $1,000 (principal) plus 6 percent interest (that is, 0.06 3 $1,000 5 $60). Determine the ...

Calculus
Please help explain the following: Estimate the solution of the equation f(x)= -1

exponets
shut up

adult education
I am having a difficult time accessing information for a paper I need to reasearch on The American Medical Website. The topic is ethical opinions on computer confidentiality. They give you a hint that the articles should start with an E, but I have searched for hours and just ...

Algebra
i need help becaus i dont know how to do it

Algebra
What is synthetic division? (rational expressions)

social studies
what is the meanining of great seal

social studies
That does fit...thank you very much....

social studies
thank you for you help.this is a crossword puzzle...9 letters..2nd letter i and 5th letter is a t....any suggestions

social studies
What is a group of people that has reactionary views called??

com140
what type of unwanted reaction you might encounter form business committee

accounting
can u help with accounts

algebra 2
how to find accerlation

math
Write the ratio in simplest form. The ratio of 75 seconds to 3 minutes.

Math
a simple process for finding rates and unite price solutions.

Algerbra II
Classify the system , and determine the number of solutions. The system is consistent and dependent and has infinitely many solutions. The system is inconsistent and independent and has no solutions. The system is inconsistent and dependent and has no solutions. The system is...

algebra 2
Classify the system , and determine the number of solutions. This system is inconsistent. It has infinitely many solutions. This system is consistent. It has infinitely many solutions. This system is inconsistent. It has no solutions. This system is consistent. It has one sol...

Law and Ethics
How did you find this information? I am taking the same class and have looked for hours without finding anything of value.

english
i need help so i may locate nouns in sentences. please help me.

english
what the noun in the sentence an extreme climate may affect your communication effectiveness.

english
what is the noun in the sentence poor gramer may result in miscommunication.

Psychology
Sternbergs Love Theory ... I know the 8 different types but I need the characteristics of them and I cannot find them anywhere.

Algebra
(11xy)¯^5/^7= 1/(11xy)¯^5/^7 Is this answer correct. Can someone tell me if I did this expression right. The instructions are to rewrite the following expression with positive exponenets.

Algebra
REWRITE THE FOLLOWING EXPRESSION WITH POSITIVE EXPONENETS.(11xy)¯^5/^7= 1/(11xy)¯^5/^7 .is this answer correct. cAN SOMEONE HELP ME WITH THIS EQUATION ,I AM TRYING TO LEARN.

math
i need help on finding the missing finger

math
When managing a business, it is important to take inventory of where your money is spent. You have a monthly budget of $5,000. Refer to the table below and answer the questions that follow. Round your answers to the nearest tenth of a percent. Category Cost Percentage Labor $1...

algebra
Hermes can travel 2 mi up Mt Olympus at a rate that is 18 mi/hr slower than he rides Pegasus down the same distance. The entire trip takes 14 min. How fast can he go up? How fast can he ride down?

algebra
Jackie can shell a quart of pecans twice as fast as John. Together they can shell a quart of pecans in 20 min. How long would it take John to shell a quart of pecans by himself?

AE
Go to the state you live in and then .gov back slash mde. Check this site out it may help you.

math
What pair of fractions are proportional? a. 0.4/0.1 =? 6/1.5 b. 0.4/0.1 =? 6/1.6 c. 0.4/0.1 =? 5.6/1.5 d. 0.4/0.1 =? 5.6/1.6

Math
Add. -3/5 + (8/35). A. 13/35 B. -13/35 c. 1/8 d. - 1/8

Math
Add. -3/5 + (8/3.5). A. 13/35 B. -13/35 c. 1/8 d. - 1/8

Math
Which pair of fraction is proportional? A) 0.4/0.1 =? 6/1.5 B) 0.4/0.1 =? 6/1.6 C) 0.4/0.1 =? 5.6/1.5 D) 0.4/0.1 =? 5.6/1.6

Math
Complete the statement, using the symbol < or >. 13/16 is greater than or less than 0.563

algebra
a^3 - 8b^3/6b^2 - ba- a^2 / 3a^3b + 6a^2b^2 + 12ab^3/ a^2 - 9b^2 perform indicated operation and reduce to lowest terms

algebra
4x^2 - 16x/x^2 - 16 * x^2 + 2x -8/3x^3 + 6x^2

Algebra
Joe invested $12000, part at 6% interest and part at 8% interest. In the first year he earned $860 in interest. How much was invested at each rate?

english
what does past idicative mean?i need to write 4 words in that form but dont know how?

Biology
Information

Biology
what component is present in every part of a loop such as one that involves protiens producing energetic molecules from sugar

biology
If youre using an up to date light microscope to examine animal cells you wont be able to detct?

algebra
Solve by elimination. 15x+10y=-20 3x+2y=-4

algebra
In 1990, a company had a profit of $1.3 million. In 1992, the company had a profit of $1.2 million. Write a linear equation giving the profit P, in millions of dollars, in terms of the year, t. Let t=0 represent 1990.

algebra
1/9 -K+3/72k = 1/9k - k-1/8k i can't figure out how to get rid of the denominators

algebra
I can't figure out (-64)^1/3. Any help would be great. and (-8)^-2/3

algebra
Factor 25x2-20x+4 I can't figure out what to do with 25.

Algebra
A boat can travel upstream 14 miles in same it can travel downstream 8 miles. the boat is traveling 13 miles per hour. what is the current

algebra
John takes 3 hours longer than Andrew to peel 400 pounds of apples. Together they take 8 hours. How long will it take John to peel 400 pounds by himself

algebra
A boat travel 4 miles upstream with a current of 5 miles per hour. It takes 40 mminutes longer to go upstream. How fast does the boat go downstream

algebra
identify the missing term. x^3-31

Algebra
Identify the missing term. x^3-31

math
if p has coordinates (x, y) and is located on the unit circle, what is the highest value that the x-coordinate can take? Hence, what is the largest value that the cosine of an angle can take?

trig
using the unit circle evaluate cos and sin for 30

algebra
How do I solve this???? Hat size 7 3/8 ??? head circum ( to nearest 1/5 23 1/5 ??? head circum to nearest cent.) 59 58

algebra
can you walk me throught this????

algebra
Maria bicycles 5 km/h faster than Carlos . In the same time it takes Carlos to bicycle 30 km, Maria can bicycle 45 km. How fast does each bicyclist travel?

Algebra 2 Honors
Write the sixth term of the sequence: t1 = 1 and tn = 3tn-1 + 1

math
what is 19+10s+14s+9+15s

physics
What difference does an astronomer see between the emission spectrum of an element in a receding star and a spectrum of the same element in the lab?

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