# Posts by DiANA

Total # Posts: 910

calculus
Find the critical number of g(t)=(t^2)/(5t+4)

chemistry

chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3? how did you get the answer

CHEMISTRY

CHEMISTRY
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer

chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

Math
I have an Invoice in the amount of \$191.00 How do I compute tax @6% of this invoice?

geometry
the degree measure of angle A is represented by 2x-20 and the degree measure of angle B by 2x. Find the value of x, measure of angle A and B.

science-biology
why do we study the human organ system?

Physics
A tire contains air at a pressure of 2 bar at 15 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 40 degrees Celsius as the car is driven?

Physical Sciene
A cannon is fired horizontally from a top of a 15-m platform. What is the cannon balls horizontal speed when it hits the ground 250 m downrange?

CRIMINAL JUSTICE
If a person that was standing at a bus stop was arrested for failure to provide identification in the state of virginia and after arrrest found that person is an illegal alien, is this a felony or misdeameanor? and what the bond amount or fine be?

library science
What are the differences of AACR2 and Dublin Core Metadata Set?

Buying time with limited agreement is a useful strategy when you: A. Have too much work to do. B. Cannot think of anything to say. C. Want to avoid escalating a conflict but do not agree with other person D. Know that the presenting problem is not the real problem but do not ...

Which of the following is a characteristic of communication in high context cultures? A. Written agreements are binding? B. There is reliance on nonverbal signs to communicate. C. Oral agreements are not binding. D. There is preference for direct communication

What is the best reason to omit the reason for the refusal in a negative message? A. The reader may not think of the reason. B. The reason reflects poorly on the company. C. The reason benefits the reader, but not the writer. D. The reason is watertight.

PROBLEM SOLVING IN MATHEMATICS
149 degrees

physics
The leg and cast weigh 200 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 105 N. Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.

mathematics
x^2/x^2-y^2 / x+y/x-y / (x/x+y)^2

Statistics
The mean graduation time is 5 years with a standard deviation of 6 months for the Monte Carlo College, in which the graduation time is related to the grade of the students. The class size is normally 40. Calculate how many students may graduate by the end of the fourth year. ...

mathematics
1. 3/(x+2)+4/(x-5)=2/3 2. 5/(3x+8)=4/(3x-8)

mathematics
5/2x+7=4/2x-7

mathematics
YES.

mathematics
x^2+8x+15/x^2+x+3

mathematics
OK. THANK YOU.

mathematics
2/x+3=3/x-5

mathematics
2/x+3=3/x-2

When writing informative and positive messages, you should include reader benefits when: A. the reader's attitude toward the information doesn't matter. B. you are presenting policies. C. Stressing benefits may make the reader sound selfish. D. you are presenting ...

Thanks

When you grant a customer's request for an adjusted price, discount, replacement, or other benefit to resolve a complaint, do so: A. After you explain your own process in making the decision. B. In the first sentence of the letter. C. In the middle of the letter, to ...

A. Stress that the reader is welcome to call you anytime if more information is needed. B. Refer to your company's future relationishp with the reader's organization. C. Mention your company's reputation in the field to reassure the client that dealing with your ...

Which is an effective strategy for ending an informative letter to a new client?

Which of the following would be classified as an informative or positive message? a) A request for information b) An announcement of a policy that reduces benefits c) A memo for the file recording actions and rationales d) A letter to an employer announcing you have accepted ...

When brainstorming, you obviously want good ideas. Researchers, managers, and inventors say that it is a good idea to do all of the following except: a. relax b. play music c. laugh d. stress out

The appearance of a document can do all of the following except: a. establish rapport with the audience. b. guide your readers' attention. c. substitute for the written text in the document. d. build goodwill

which is a sound recommendation for creating a professional business document? a. Use color to highlight small points that would otherwise go unnoticed. b. Use as many highlighting and decorative devises are possible to make the document look busy. c. analyze your audience ...

which is a sound recommendation for creating a professional business document

Ms. Sue answer did not help!

which is a sound recommendation for creating a professional business document

which of the following is not one of the three steps to take when audience benefits are hard to identify or develop? a. Identify the feelings, fears, and needs that may motivate your audience. b. Identify the objective features of your product or policy that could meet the ...

Math
a technician draws 10 cc of a patients blood to be tested for cholesterol and for red blood cells. identify a.the sample b.the population c. the variable being studied i attempted but im not sure if its right...i said a) the 10 cc of blood b) the patients blood c)the blood is ...

standard deviation
if the standard deviation of a set of n numbers is y what is the varience of the set? i need help!

math
can the mean and median ever be the same?

algebra
Simplify. Remember to use absolute-value notation when necessary. If a root cannot be simplified, state this 4√(7b)4

US History
What was Jackson's basic view of of the Native Americans living in the American Southeast.

i don't know

math
thanks.. :)

math
application of the laws of exponent. show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 1. how did you simplify each expression above? 2. what do you think would...

math
application of the laws of exponent show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 6. (a^4 * b^2)^5 7. (3x^5)^3 8. 7^4/7^2 9. x^5/x^8 10. 12m^9/4m^5 11. (3/4...

Accounting
At the beginning of the year, Keller Company's liabilities equal \$60,000. During the year, assets increased by \$80,000, and at year-end assets equal \$180,000. Liabilities decrease \$10,000 during the year. What are the beginning and ending amount of equity?

accounting
At the beginning of the year, Logan company's assets are \$200,000 and its equity is \$150,000. during the year, assets increase \$70,000 and liabilities increase \$30,000. What is the equity at the end of the year?

english
what is the story "the return of the khokababu" who knows this.. where did you get the story?

biology
@bobpursley.. oh thank you.. but i've already answered it.. but thank you.. :)

biology
how can i identify the cell if it is plant or animal cell??

science-biology..cells
please give me those parts of animal cell and plant cell.. please separate it..

math
@reiny.. thanks.. :)

math
help me..

math
if a number is subtracted from twice its reciprocal the result is 7/3. find the numbers.

precalc
thanks i got the first one now! for the second one I used the quadratic eqn and got 4 but that is not the answer?

precalc
How would you find the inverse of these two functions: f(x)=4/(x-4)^2 and f(x)=x^2-8x+16 could you please show me step by step i have been trying to figure it out for hours.

Geometry
line XY bisects and is perpendicular to line segments AB and CD . AB = 96 inches, and line segment AP = 52 inches. What is the length of XY ?

Algebra 1
Find Each Sum Or Difference. Its addition. 3a+2b - 7c -4a+6b+9c -3a - 2b - 7c

Algebra 1
Find Each Sum Or Difference. (13x + 9y) - 11y

statistics
What is the expected value of M when n=4 scores and if a 2 year old boys weighs 36 pounds, how much protein should he consume?

Math
write as a single fraction in its lowest terms: (x-2)/3 + (x+1)/4

Lab
I did a virtual lab on acceleration on gravity on earth. That number is 9.81 m/s ^2. I don't understand the error that could have came out of this

Lab
When doing a virtual lab everything is exact, but why would they still ask for absolute and relative errors?

sociology
thank you

sociology
How might the label of deviance act as a self-fulfilling prophecy? I don't understand this question...what do they mean by self-fulfilling prophecy?

sociology
I completely agree I think my textbook is just a little outdated.

sociology
Thank you for your feedback...I actually skipped a page and this is what is defined: old-old 85 and older middle old 75 through 84 young old ages 65 through 74 newly old is below that so baby boomers would be newly old.

sociology
Haha I am sorry I do not mean to offend but that is what is written in my sociology textbook and it does not make any sense to me at all

sociology
would baby boomers be old old, middle old, or newly old?

sociolgy
oopss just figured it out

sociolgy
Can someone restate this question for me I don't get it at all What does the research on children reared in isolation indicate about the effects of the cultural environment on social and psychological development?

child care managment
the purpose of including a dress code in the parent handbook is to ensure that children: ☺☺☺ I have been thinking about the answer . the correct answer is •dressed in comfortable and suitable cloting. thanks anyway.

child care managment
the purpose of including a dress code in the parent handbook is to ensure that children neatly and cleanly dresssed. Am I right? thanks.

grammar
john went to the store, then when he got home, he called Kristy.

grammar
how about John went to the store, then called Kristy.

grammar
is this senetence put right? or how do i fix it? Commas are very important to add to a sentence where they are needed because if you don't properly use them, the reader will be confused.

Algebra
Two less than three-fourths of a number is ten. What is the number?

math
how do i convert a number that is grater than 360 to a deggese?

math
how do i convert a number that is grater than 360 to a deggese?

Help with Math.
1. I've posted this question before (once, the other post wasn't me)and I have still got no help. Peg spends \$7.50 a week for grapefruit. When grapefruit are out of season, she gets 1 fewer grapefruit than when they are in season. If the price decreases by \$3 per dozen...

math
Is the minimum amount 6 coins? to equal the 39 cents. 1 quarter, 1 dime and 4 pennies. 25+10+4=39

math
i posted this question yesterday. i really want to know how to do it. John bought n objects, each costing n cents. The change he received from his \$10 bill was less than \$1 and consisted of only two denominations of coins. What was the minimum number of coins that John could ...

math
John bought n objects, each costing n cents. The change he received from his \$10 bill was less than \$1 and consisted of only two denominations of coins. What was the minimum number of coins that John could have received?

Math
Alice, Beth, and Charlene start climbing a staircase, each with her left foot on step 1 and then her right foot on the next consecutive step. Alice climbs one step at a time, Beth two steps at a time, and Charlene three steps at a time. Each lands on the top step with her left...

Life orientation
The way this website works is this: You tell the tutors what you think. Then they can tell what help you need and work with you on your answers. Please let them know what YOU THINK.

Math: I need help.
Peg spends \$7.50 a week for grapefruit. When grapefruit are out of season, she gets 1 fewer grapefruit than when they are in season. If the price decreases by \$3 per dozen in season, how many dollars will it cost to buy a dozen grapefruit out of season?

URGENT - History
theres no spaces or anything i just had to do that in order to post the url because im not a tutor i just used that site to find cartoons on him also

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