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Posts by NaNa

Total # Posts: 165

maths
Calculate S20 if the sum of the squares of the first integers is given by Sn=n(n-1)(2n+1)/6

maths
make x the subject of formula in ?(x+a)=b

Physics/Energy
A cop of mass of 90.0 kg is chasing a robber and runs up 5 flights of stairs in 20.0 sec. The cop has gone a vertical distance of 12.0 m. Determine the amount of work done by the cop to get to this height.

Math
solve the inequality. Expiation each step and identify the property used. 3a-4<=5

Math
solve the inequality. Expiation each step and identify the property used. (n)/(-3)+5>4

college maths
You have $75 to spend on refreshments for a party. Large bags of chips cost $2.50 and sodas cost $0.50. You need to buy exactly five times as many sodas as bags of chips. How many bags of chips and how many sodas can you buy?

AP Statistics
The ages of the Oscar-winners for best actor and actress for the years 1970 through 1990 are given below: Women: 34,34,26,37,42,41,35,31,41,33,30,74,33,49,38,61,21,41,26,80,72 Men: 43,40,48,48,56,38,60,32,40,42,37,76,39,55,45,35,61,33,51,32,42 Use what you have learned in this...

Science
A. True B. The satellite with the greater mass is being pulled toward Earth with a greater force than the other satellite. D. The satellite closer to Earth will be pulled towards Earth with more gravitational pull than the other satellite. C. Resistor. A. Generator. C. It will...

science
The volume of a gas increases from 18.7 m3 to 25.1 m3 while the pressure changes from 1.82 atm to 1.41 atm. If the initial temperature is 353 K, the final temperature of the gas is K.

math
In a school of 960 pupil,48 were absent on a day. Calculate the percentage absent that day?

Math
35 1/2% to the nearest thousandth

science
How did student , most probably measure the volume of 10 glass marbles?

English
i agree and iwant to know more about it

life orientation
Say no from being violated and fight back

life orientation
Say no from being violated and say no

Government
Nigeria, Rivers State

algebraic fractions
8/4x-4

Physics
Two forsec of 5N and 7N act on an object. What are the maximum and minimum of the two forces

science
If the temperature of 0.20 kg of gold, which has a specific heat of 130 J/kg • °C, increases by 25°C, how much energy has been transferred to the gold by heat?

English
A paradox is a literary device often used to ? A. emphasize or make readers think about important ideas. B. provide hints or clues about events that occur later in a story. C. explain a character’s reason for doing or saying something. D. help readers draw a conclusion ...

English someone please help!!!!!!!
Cross out any prepositional phrases. Underline subject once and the verb or verb phrase twice. 1.) The children may not play outside the house during a storm. Verb: may, play Subject: children Phrase: outside the house during the storm 2.) You must not drive through the tunnel...

algebra
Compare the set {-0.7,-0.6,-7/9,-2/3} P

corporate taxation
what the answernfor this question?

physics
An airplane is flying horizontally at a velocity of 50.0 m/s at an altitude of 125 m. It drops a package to observers on the ground below. Approximately how far will the package travel in the horizontal direction from the point that it was dropped

Inorganic Chemistry
GeH4

Math
T'Mara knew that her trip would take about 7 hours. If she left at half past nine in the morning,around what time should she arrive

english
my english not good. so i am ask in this. sorry not fluently english

english
Alberto's New Neighbors Alberto took one look at his new neighbours and knew that his life was going to get more difficult. He watched them arrive in their big, noisy car and watched them get out. There they were, two of them, as big and as noisy as their car, and smelly1...

us history/thomas jefferson,franklin and washingto
According to thomas jefferson when and why would george washington and benjamin franklin speak selectively?

Algebra
The answer is 3. Use your graphing calculator, enter the equation in the y=, press graph, when the line hits the x-intercept, that's your answer. It's practically at 3, so the answer is 3. ^^

science
If it takes more than a few experiments to find the answer to a particular problem, it means that the scientist has failed and is not a very good researcher.

math
Evan is making a table that will be created in the shape of the figure below. The table top is a triangle attached to a rectangle. To purchase the right amount of paint, he needs to know the area of the table top. He can only spend $10 on paint, which is enough to cover 150 ...

pre calculus
Find a cubic function with the given zeros. -2, 5, -6 help me please

life orientation
politcs economy

English
1. is B 2. correct, B 3. correct, parentheses

IFSM
The chief information officer recommends that a new computer and software costing $100,000 be purchased and installed because it will decrease administrative costs by $4 per hour and management allocation by $2 per hour, resulting in a 10 percent increase in profits. Will this...

Science
Which of the following is an impact of increased ocean acidification as caused by global climate change? (Points : 1)

Ashford
Once they arrived in the United States, immigrants experienced a life very different from what they imagined. Which was not something that was most immediately part of their experience?

Science (respiration)
What if the colour was a light with a colour filter on it?

Science (respiration)
Hello, I have a question. How does colour affect a mealworm's respiration? Do mealworms breathe more slowly when sleeping? Do mealworms stop breathing for a bit, then breathe again? Thank you, and just tell me what you know. If you only know the answer to one of these, ...

Maths
please please help me!

Maths
Hello, I am just wondering why y=mx+b for b (solve for the variable) would be y-b/m and not y/m-b Thanks

Maths
oh!! Thanks!

Maths
Hi! How do I do this? Solve the following for the variable: d=rt for r Thanks!

Maths
um.... I think I get it now. Thank you so much.

Maths
Thanks so much! But why doesn't it work when I do: 1/3(3x+9)=2x+3 1x + 3 = 2x + 3 1x-2x=3-3 -x=0 ????????????????

Maths
HOW DO I DO: 1/3(3x+9)=2x+3? HOW DO I SOLVE IT?

Maths
How can I do 1/2y+3=9? I can only do y+3=9! HELP!

Maths
There was a question: A gallon jug of milk is 3/4 full. After breakfast, you drink 1/12 of the milk. What fraction is the gallon is left? And here was my answer: 1/12 drank --> 11/12 left 3/4*11/12=11/16 But I got the question wrong. Did I get it wrong? I got it correct, ...

Mythology
I maybe wrong, but according to what I have read, the box was set out to the ocean and washed up on a small island. On another version, it says that the got washed up on the island of Serifos. Hope this helps!

Math grade 3
Hi Nawaf, I think I got this: 2) there are 387 Dvds and 154 Dvds are on loan. So that means 387 minus 154 will be the amount still left. so lets do it. 387 -154 ----- 233 But we have to put it to the nearest hundred. So 233--->200 200 are left, to the nearest hundred 3) For...

math
(1) One day, Lucy and Tom had a picnic. (2) Lucy spread a tablecloth in the grass beside the millpond it was a pretty day for a picnic. (3) All went well until Lucy discovered that ants had invaded the lemonade. (4) They had also overrun the potato salad. Which number marks a...

psychology
If the concept is truck, the prototype might be: A. a Ford pick up. B. bulldozer. C. gravel eighteen wheeler. D. personnel carrier. I think it could be B or D

health
__________ offers the advantage of reducing the amount of loose filing quickly. A. Batch B. Drop C. Volume D. Unit

science
From a business perspective, which of the following attributes is considered vital to a medical facility’s success? A. Professional and courteous vendor service. B. Computerized data management. C. Good customer service. D. Lack of conflict among employees.

science
A. establish policies and procedures that allow access to electronic, secure data on a need-to-know basis. B. perform background checks on employees that may handle electronic, secure data. C. designate a liaison between HIPAA officials and the organizations. D. retain the ...

science
According to the HIPAA Security Rule, organizations must:

computer
How does a text box differ from a document within word 2007? A. a text box treats text as an image and has diffrent formatting B.a text box displays text that is read only once it is saved C. a text box has a file name ending with .tbx D. a text box is a floating object ...

computer
You have inserted an image within a paragraph of text in a word 2007 document. You want the edges of the image to fade into the document. How do you accomplish this? A.select image and slide the fade controller B. format the image and check the soft edge picture style C.select...

English
(1) Brenda would have liked to have taken her vacation at the beach. (2) However, the weather forecast on the television called for rain. (3) Also, her fiancé, Max, wanted to vacation in the mountains. (4) After a heated discussion, Brenda and Max decided to compromise...

English
9. In which sentence is the word but used as a preposition? A. We would like to visit the Grand Canyon, but our vacation time is up. B. John liked baseball but not football. C. Children should be seen but not heard. D. None but the brave shall enter in. I think its D but I ...

english
13. Which statement is true about this sentence: "Few Americans speak fluent French"? A. There is only one adjective in the sentence, and it modifies French. B. The one adjective in the sentence modifies the subject. C. There are adjectives modifying both the ...

ENGLISH
15. Which of the following sentences contains a verb in the simple past tense? A. Jenna has driven this route multiple times. B. I was working overtime for about six months. C. We helped Joan to pack her things. D. She would like to join us. I THINK ITS C

ENGLISH
I THINK THIS INE IS D

ENGLISH
12. Which of the following lists demonstrates various tenses of an irregular verb? A. I call, I called, I will call B. I walk, I walked, I will walk C. I try, I tried, I will try D. I go, I went, I will go

ENGLISH
7. In which of the following sentences is the underlined verb in the future perfect tense? A. They will take the dog to the park with them. B. She really should begin to pack. C. Jean's daughter has begun to drive. D. By that time, he will have been gone for three days. I...

ENGLISH
OH THEN IT HAS TO BE D THE S MAKES IT PLURAL

ENGLISH
I THINK B IS MOST COMMON

ENGLISH
6. The most common rule for forming plural nouns is A. adding -es to the word. B. changing the y to i and adding -es. C. dropping the last letter and adding -ies. D. adding -s to the word.

ENGLISH
6. Which of the following sentences contains correct usage of its/it's? A. Its only a game. B. Let's go out on Friday; it's my birthday! C. The dog chased it's tail until it got dizzy. D. My grandmother always said, "Its not if you win or lose, but how ...

ENGLISH
C?

ENGLISH
5. Which one of the following sentences contains an unnecessary colon? A. Here's the question on all of our minds: Will our team be able to defeat their arch rivals tonight? B. My store list included: milk, soup, chicken, and ice cream. C. She wants one thing: a new job. ...

ENGLISH
Which one of the following sentences contains a predicate adjective? A. I brought my lunch for the first time this year. B. We scanned the distant shore for signs of life. C. What does this hard lesson teach you? D. The teacher appeared angry when Dave forgot his homework. I ...

l.o
recommendation on how to address drought

physics
Robin is making a mobile to hang over her baby sister's crib. She purchased four stuffed animals: a teddy bear (16 g), a lamb (18 g), a little pony (22 g) and a bird (15 g). She also purchased three small wooden dowels, each 14 cm long and of mass 7 g, and thread of ...

physics
A 2.00-m-long diving board of mass 12.0 kg is 3.00 m above the water. It has two attachments holding it in place. One is located at the very back end of the board, and the other is 25.0 cm away from that end. 1-Assuming that the board has uniform density, find the forces ...

computer
What combination of keys creates the following formatting characters in a word document? A.ctrl+P B.ctrl+enter C.shift+b D.shift+backspace

social studies
as a automobile assembly worker at a GM plant in Ohio, in t e current economic situation, will new manufacturing methods such as industrial robotics increase or decrease job security? what can GM and the UAW do independent of gov action to enhance job security?

Chemisry
Potassium, a silvery metal, reacts with bromine, a corrosive, reddish liquid, to yield potassium bromide, a white solid. Write the balanced equation, and identify the oxidizing and reducing agents.

Math,6th grade
A. a4?

math
thank you so much your a great help you are a wonderful person thank you bye

math
ms. sue thank you for helping me it made me understand better at this problem. so 8*12=96 and can you explain it to me sincerelly, nana

math
christy bought an 8-foot piece of lumber to trim a bookshelf. altogether, she needs 100 inches of lumber to trim. did christy buy enough lumber?explain.

windows 7
A ________is software that installs and sets up programs to run on your computer. A.intitator B.installer c.downloader d.applicator

accounting
What is the purpose of closing all temp accounts.

math
[(5a)^x]^3b/(5a)^2bx.(4c)^bx

Math: algebra 1
x-y=-3 x+y=-7

health
provide a detailed description of mechanism involved in the formation and maintenance of the resting potential

english
CORRECT JUST TOOK THE QUIZ! THANK YOU :)

Math
Mary was given an equation: 6x+22=30. She subtracted 22 from 22 and got 6x=30. What was the mistake mary made?

child development
children's genetically prescribed tast5es in food are affected by

physics
what is the distance between centers of a baseball of mass 0.145 kg and a bowling ball of mass 5.5 kg, such that the gravitational force between them is 1.3 * 10^6N

math
You've just received an order of silk flower arrangements from your wholesaler. You paid $20.00 for them. Your store uses a 10% markup rate. What is the selling price of the ilk flower arrangements?

statistics
Suppose it is known that the average score of all high school seniors taking a national test of basic skills is 420. These scores are normally distributed with a standard deviation of 80. A school gives the test to a sample of 144 seniors. Identify the following ...

spelling
write root webs for Insincere

mathematics
When the graph of y equal to 3cos2x achieves minimum what is the value of the y coordinate

mathematics
When the graph of y equal to 3cos2x achieves minimum what is the value of the y coordinate

statistics
According to a Harris Interactive poll conducted in 2009, 20% of American adults smoke. In a random sample of 500 American adults, what is the probability that no more than 100 smoke?

Volume
2Pi(500/3)

Physics
forgot to say that I just answered that question :)

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