Saturday

April 19, 2014

April 19, 2014

Total # Posts: 86

**math**

what is tan 18?

**math**

Paul an Peter each toss a coin and record the results. Paul: H H T H T H H H T T H H T H T H T H H T T Peter: H T H H T H H T T H T H ... ... If the probability of heads to tails was the same for both boys, what were peter's last two tosses?

**Chemistry**

What is the binding energy of 1 mole of 239/94 Pu if the mass defect is 0.001896 kg/mol?

**chemistry**

To what temperature, in degree celsius, must 10.0 grams of ammonia gas (NH3) have to be heated in a 15.0 L container in order for it to exert a pressure of 3.50 atm?

**college chemistry**

A 0.300 g sample of an aspirin tablet is used to prepare 100.0 mL of a stock solution by dissolving the tablet in 1 M NaOH then diluting with distilled water to the 100 mL mark of a volumetric flask. A 0.30 mL sample of the stock solution is then transferred to a volumetric fl...

**Math**

Jane and kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they finished, Jane had won 15 times and Kathy had 22 more marbles than when she started. How many games did they play? The teacher has told us that 37 is the wrong answer....

**computers**

C. Because its says it was released in public domain and no cost.

**math**

(4x^4+3x^3-2x+1) + (5-2x^2+5x^3-x^4) - (6x^2x-3)

**British Litature**

Of all the characters highlighted in the works included in this unit, which one did you relate to or identify with the most in terms of his or her struggles and conflicts? Why? What was it about this character that made him or her affect you as he or she did? Be sure to point ...

**British Literature**

Compare and contrast the conflicts faced by Orwell in “Shooting an Elephant” to those faced by Gideon in “No Witchcraft for Sale.” To what unique revelation does Orwell’s position as a police officer lead him? How can Gideon’s ultimate decision no...

**MATH**

TO BUILD A SHELF NDS A BOARD 2 YARDS HAS A BOARD THAT IS 66INCHED LONG. HOW MUCH LONGERR OF A BOARD SHOULD HE USE TO BUILD THE SHELF?

**Math**

Name two methods that are used to solve Quadratic Equations when they are irreducible.

**Physics i.e science**

Explain why sharpening grass knives help to ease the effort in cutting grass.

**Physics i.e science**

A density bottle has a mass of 35g when empty, 85g when filled with water and 75g when filled with kerosene. Calculate the density of kerosene in g/cm3.

**Science**

Thanks. I forgot to come back here to check, and asked my mom for help... she looked at my book, and helped me out. My book didn't give me the EXACT answer, but it kinda pointed towards solids. I got it right. :)

**Science**

Do P waves travel faster through gas, liquids, or solids?? I couldn't find the answer in my book OR the internet. Some smart person, please search your brain and help me out!! Thanks :)

**Science**

thanks

**Science**

Hi, I'm doing a paper in powerpoint on the Jurassic Period. For every slide, I have to include a picture. I just can't find one that I like... getting a little frustrated because I saw the PERFECT pic on Wikipedia, but I have to list the sites on where I found the pict...

**english**

When it's using "like" or "as" it's a simile. When using no like or as it is a metaphor. Example (simile): The grass was like a big jungle. Example: (metaphor): The grass was a big jungle. Personification is when something that is not human is given...

**algebra**

i have y bars of chocolate at 42pence each write an expression in terms of y for the change in pence that i will get from a fiver

**Science**

If i am provided with a supply of 2M of sulphuric acid,how can i explain how to prepare 500ml of 0.5M sulphuric?

**physics**

(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 8.86 m/s when going down a slope for 3.30 s? (b) How far does the skier travel in this time?

**physics**

In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 8.49 m/s in 1.89 s. Assuming that the player accelerates uniformly, determine the distance he runs.

**physics**

A car is traveling at a constant speed of 27.1 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration must it maintain, so that the two...

**physics**

A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.22. You grab one end of the board and lift it up, keeping the other end of the board on the ground. What is the angle between the board and the horizontal direction w...

**physics**

The citizens of Paris were terrified during World War I when they were suddenly bombarded with shells fired from a long-range gun known as Big Bertha. The barrel of the gun was 36.6 m long and it had a muzzle speed of 1.48 km/s. When the gun's angle of elevation was set to...

**physics**

A car is speeding up and has an instantaneous speed of 14.0 m/s when a stopwatch reads 9.0 s. It has a constant acceleration of 2.3 m/s2 (b) What is the speed when the stopwatch reads 12.2 s?

**physics**

A car is speeding up and has an instantaneous speed of 14.0 m/s when a stopwatch reads 9.0 s. It has a constant acceleration of 2.3 m/s2. (a) What change in speed occurs between t = 9.0 s and t = 12.2 s?

**Physics**

An automobile moving at a constant velocity of 15m/s passes a gasoline station. Two seconds later, another automobile leaves the gasoline station and accelerates at a constant rate of 2m/s^2 in the same direction. How soon does the second autombile overtake the first?

**Algebra 2**

The first term in an arithmetic series is 7 and the 17th is 49. What is the 20th term?

**physics**

Thank you so much.

**physics**

It is possible to cut the top off a alcohol-in-glass thermometer without any of the alcohol spilling out. However, it will no longer function as a good thermometer. Why not. I am thinking it is a lost pressures issue.

**Physics**

Damon, Is the answer the same with 2 atoms of iron? Thank you so much.... The atomic mass of iron oxide is 160 atomic mass units. What is the atomic mass of iron if a molecule of iron oxide consists of two atoms of iron and three atoms of oxgen?

**chemistry**

The atomic mass of iron oxide is 160 atomic mass units. What is the atomic mass of iron if a molecule of iron oxide consists of tow atoms of iron and three atoms of oxgen?

**physics**

This is a basic phyisics class. Thank you so much!!!!1

**physics**

Given that 12g of carbon combines completely with 16g of oxygen to form carbon monoxide, how many grams of carbon monoxide can be made from 48g of carbon and 48g of oxygen

**Math**

Put parentheses and brackets in the proper places to make the following equation true: 9x3+8-5+6squared=58

** math**

that is what I meant! Thank you guys very much!

** math**

so would this be correct? 25 is 33 % of what? 25/.33 = 2500

** math**

What is the formula for finding 54 is 10 % of what?

**math**

you are an amazing help and are very much appreciated!

**math**

Thank you very much Mrs. Sue! What about the formula for 54 is 10 % of what?

**math**

what is the formula for finding % of a #? example: 1. find 40 % of 160? 2. 24 is 100 % of what? also, how do you do this problem? 4/6 of 48

**Math**

If 3 points are collinear the solve for t (-3,3) (t,-1) (8,6)

**Calculus **

An airplane is flying at 550 km/h on a heading of 080 degrees. The wind is blowing at 60 km/h from a bearing of 120 degrees. Determine the ground velocity of the airplane. I am having trouble drawing this diagram.

**Calculus**

A boat crosses a river and arrives at a point on the opposite bank directly across from its starting position. The boat travels at 4 m/s and the current is 2m/s. If the river is 600 m wide in what direction must the boat steer and how long will it take to cross?

**chemistry**

How much heat is required to raise the temperature of 20.0g of H2O from 18.0 Celcius to 28.0 Celcius?

**Childcare**

I have nearly completed my Child Day Care Management. They give me a project sheet Competency Goals I II II, etc. the first Goal is about to establish and maintain a safe, healthy learning environment. Please just I want a example, is like a essay? Thank you.

**childhood**

Four-year-old Jacob comes from a family in which hypertension is common. It's probable that Jacob will need a diet that's low in A. fats. B. iron. C. salt. D. sugar. My answer correct is A

**childcare**

the introduction of semisolid foods to a five-mounth-old-infant may se delay if A the infant has bottle mouth syndrome. B family members have a history of allergies. C the infant consistently prefer a bottle. D the infant is teething. The answer correct is D

**childcare**

the main difference between emergency care and first aid is the A severity of the condition being treated. B person performing the treatment. C age of the victim. D location in which the treatment is given. The answer correct for me is A

**childcare**

A child in your program has just returned after having chickenpox. You notice that she still has a few dry scabs. What should you do? a. Send her home. She is still contagious. B Welcome her back and let her know what there is to do today. C Allow her to stay, but discourage h...

**childcare**

As a day care worker, you should be familiar with the development of children. Which one of the following items is a developmental achievement of a two-month-old infant? a Rolling from side to back B Eruption of teeth C Good control of head D Turning toward the source of a sou...

**childcare**

one component of a healthy diet is a high amount of A monounsaturated fats. polyunsaturated fats. C grains D sodium the answer correct is D

**childcare**

Introducing organized sports among young children is not recommended because? A.this excludes the teacher or caregiver from a role in play. B.they lack the necessary physical maturation needed. C.they should be making up their own rules. D.they lack the social interaction skil...

**childhood**

The major emphasis of movement programs for young children is the development of concepts. Wich of the following three major categories are they broken into? A Body,space, and time B What,who,where C Awareness, knowledge,and understanding D Movement, skill and fitness The ans...

**childhood**

The major emphasis of movement programs for young children is the development of concepts. Wich of the following three major categories are they broken into? A Body,space, and time B What,who,where C Awareness, knowledge,and understanding D Movement, skill and fitness The answ...

**chilcare**

When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is called A cumulative B multifactoral C quantitative D qualitative The answer correct is A

**childcare**

Patrick, a new six-year-old in your facility, is causing some problems with the other children. He never completes one activity, but jumps from group to group. He refuses to wait his turn when playing games. Every time he stars a new friendship, he ends it by arguing with his ...

**childcare**

The major goal of parent education is to A improve parenting skill B help parents get jobs C improve education of children D provide social support My answer is D

**childcare**

You are trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to do something associated with mathematics. Which one of the following activities would be appropriate? A keeping track of the weather B making a pris...

**childcare**

You are trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to do something associated with mathematics. Which one of the following activities would be appropriate? A keeping track of the weather B making a pris ...

**Chilcare**

If an employee in your center earns $ 9,500 a year, how much federal unemployment tax must you pay for this employee? A $56.00 B $76.00 C $400 D $475 The answer correct for me is A . Because the tax has a maximun of $ 56.00 for each employee

**childcare**

The balance Sheet for ABC Day Care has Total Assets of $ 195,400, Total Liabilities of $ 129,500, and Total Owner's Equity of $ 57,300. What can we say about ABC Day Care? A it's a very successful business B It has too much debt. C Someone made a mistake doing its bala...

**chilcare**

An Individual Family's Account Receivable date Descrip Debit Credit Balance Jan 5 Week 90.00 90.00 Jan 12 " 150.00 ----- Jan 16 Payment 180.00 ----- Jan 19 Week 150.00 ----- 1- What was the family's balance after paying you on Jan.16? A $0 B $ 240 C $ 60 D $ 420 2...

**Childcare**

13. The Income Statement for Tiny Tykes Day Care reveals total revenues of $181,575 and total expenses of $159,657. The profit margin for Tiny Tykes is A. 87.9%. B. 12.1%. C. 1.2%. D. impossible to determine from the information given. The correct answer is B 14. What was the ...

**developtment child**

The formation of children's core values is most strongly influenced by A peers. B family. C elementary school teacher. D child care providers. The correct answer for me is B One of the most important functions of a child's peer group is A. serving as a replacement for ...

**math**

in december the average total rainfall in all of the deserts together is 0.89mm. exolain how to use the figures from the table to write a comparison of the total deseret rainfall in august and december

**math**

Thank you, sorry to be slow but, is that 9,101,010? Can't believe it is this simple!

**math**

The last part of a telephone number has four digits, e.g. 7814 1487 2103 2772 The last part of the telephone number can start with any digit apart from zero. The other three digits can be any number. How many four digit numbers are there?

**math**

Thank you

**math**

6 lollies and 3 icecreams cost £8.52 3 icecreams and 6 drinks cost £9.24 What would the cost of 1 lolly, 1 icecream and 1 drink be?

**please help math!!**

show the given fractional amount in an equalivalent decimal, 5/8 and 13/26

**math**

Hello, Show the given fractions as equavalent decimals. 5/8 and 13/26 and how you got it.

**social studies**

your kitchen

**Science Question**

ok i will copy and paste the question here! thnx Using the internet or books, write a summary about 2 ways the surface of the roads have been made safer for car passengers. but the hard bit is i have to write down a rerence of the internet pages i use to get my ansewrs, ok man...

**starting music in key stage 3**

when do we use music?? and how do we listen to music??

**Grammar**

I will never go there again," she said. adverb = out modifies is adverb = never modifies will He holds fast to his conviction that the world is out to get him. (There are two adverbs in this sentence.) adverb = fast modifies holds adverb = out modifies is

**Grammar**

The gentleman was unusually talkative when he came out of the anesthetic. (There are two adverbs in this sentence.) adverb = unusually modifies was adverb = out modifies was

**Grammar**

adverb = out modifies is adverb = never modifies will

**Grammar**

He holds fast to his conviction that the world is out to get him. (There are two adverbs in this sentence.) adverb = fast modifies holds adverb = get modifies is "I will never go there again," she said. (There are three adverbs in this sentence.)adverb = never modifi...

**percents**

I just need to get the formulas for these percent problems: 1. 76 is 80 % of what #? 2. 85 is what percent of 200? 3. what % of 75 is 40? Thanks!

**6th grade math**

thank you ms. sue-i am the mom and could not figure the formula out!

**6th grade math**

if a shirt is 45 % off and the sale price is 114.95-what is the original cost? please help me with this formula

**3rd Grade Math**

The answer is "7x9". Because the array of 2x9: ••••••••• ••••••••• And the array of 5x9: ••••••••• •••••...

**Biology**

I need to find a way to measure protein concentration. It's for part of my infection and immunity lab report. We've done about radial immunodiffusion calculating the concentration of bovine serum albumin in unknown samples, and the last question is: What other techniqu...

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