# Posts by Anonymous

Total # Posts: 116,384

**physics**

a hammervweighing 1kg moving with the speed of 10m/s strikes the head of the nail driving it 10cm into a wall. neglecting the mass of the nail calculate the acceleration during impact and the time interval during impact and the impulse

**Algerbra **

Maggie's brother is 3 years younger than twice her age. The sum of their age is 24. How old is Maggie?

**physics with algebra**

(3.1*10^4)^2 = 9.6*10^8 3.1^2 ----> 9.6 to two significant figs but it might have been 3.05^2 ----> 9.3 or maybe 3.1499999999...^2 ---> 9.9 so 9.6 + or - .3 * 10*8

**English**

Is it correct to say "A deterioration in my grandfather's health and memory has just begun"?. Or is it began?

**Health care**

C?

**Health care**

The annual list of the OIG's planned projects for sampling billing in various settings (such as hospitals, doctor's offices, and long-term care facilities) to check for potential fraud is called the A. triggered review. B. OIG Work Plan. C. Deficit Reduction Act. D. ...

**Health care**

of the following is the coding system that was set up to describe specific products, supplies, and equipment that are used in medical practices, but that aren't listed in CPT? A. The ABC Code Set B. The National Drug Code C. CDT-4 D. HCPCS D

**Physics - pendulum negative work**

It is the potential energy lost, m g h

**Health Care**

The agency of the federal government that combats fraud and abuse in health insurance and health care delivery is the A. Office of the Inspector General (OIG) B. Centers for Medicare and Medicaid Services (CMS). C. Health Care Fraud and Abuse Program. D. Department of Justice...

**Physical Science, Science**

0.76 atm

**chemistry**

How is collaboration necessary and important for scientific advancement. use examples from the atomic theory please help

**chemistry**

Ok thank you

**Physics**

If intensity is 300 and amplitude is 200.when ampitude is increased to 800 what will be intensity?

**history**

People Engage in trade mostly in order to

**chemistry**

hydrogen sulfide gas is bubbled through a solution of iron III chloride state and explain what happens

**Algebra II**

L + 2 w = 164 but L = w + 6 so w + 6 + 2 w = 164

**Maths**

for every 4 red balloons i have there will be 9 blue. How many red balloons would i have if there are 27 red balloons?

**Physics**

If intensity is 300 and amplitude is 200.when ampitude is increased to 800 what will be intensity?

**Science**

For the reaction IO3? + 5I? + 6H+ 3I2 + 3H2O the rate of disappearance of I? at a particular time and concentration is 5.0 x 10-3 M s-1. What is the rate of appearance of I2

**Math**

it is desired that an investment grow to $5000 OVER THREE YEARS at a simple annual interest rate of 6% find the amount that must be invested now.

**chemistry**

A scientist discovers that an atom with a mass number of 14 contains eight electrons. According to the scenario, what is the atom's atomic number? 22 6 8 14 please help

**chemistry**

thank you

**chemistry**

Which of the following statements best describes p orbitals? a dumbbell with a ring around it a sphere around the nucleus a four-leave clover two lobes apposing each other Examine the three isotopes of potassium (K) below. potassium-41, potassium-39, potassium-40 Which of the ...

**chemistry**

thank you

**chemistry**

What is the difference between belief and knowledge?

**Chemistry**

What is the freezing-point depression of water in a solution of 100g of sucrose, C12 H22 O11, and 500g of water? (Molar freezing point depression constant for water is -1.86°C/m.)

**my success**

social(helper) artistic(creator) investigative(thinker) realistic(doer)

**my success **

Pam is planning on meeting up with her friends to see a movie and is running a bit late. Kevin asks Pam to take a look at a project for his advertising class. He has to create an advertisement for his favorite candy. Pam gets excited about working with Kevin and starts ...

**science**

Seeing is believing. Do you agree or disagree with the statement? Give an example of phase changes to support your view. please help

**Math**

On what app is the calculator on my phone?

**MATH**

A ship sails north at 15 km/h but drifts westward with the tide at 8 km/h. Whatbis the resultant velocity of the ship

**Math**

solve (v+6)^2 -40=0, where v is a real number.

**Physics**

A 60-lb block rests on a rough horizontal surface. The horizontal force that just starts the block moving is found to be 30 lb. Which of the following is true for this situation?

**science**

The knowledge produced by science builds on old ideas and is constantly changing. State whether you agree or disagree with this statement. Explain why please help

**Chemistry university**

what is the ph of 50ml buffer solution which is 2M in CH3COOH and 2M in CH3CooNa? 1 Initial PH before the addition of acids and base? 2 What is the new PH after 2ml of 6.00M HCl is added to this buffer? 3 what is the new PH after 2.00ml of 6.00M NaoH is added to the original ...

**English**

Are these sentences grammatically correct? 1. You can get the laptop here for half the price you get it at the other store. 2. You can get the laptop here for half the price you find at the other store. 3. You can get the laptop here for half the price you get at the other store.

**Chemistry**

calculate the amount of heat required to raise temperature of 8.50g of water from 24°C to 29°C

**math**

7 topping how many different 2 topping can there be

**science**

What causes pollution and increases global warming?

**Math**

In a school library there are 35% English books,25% maths books and the remaining 250 books are on general subjects. How many books are there in the library?

**math**

A man goes 35m due west and then 12m due north how far is he from the starting point

**College math **

3 4 Interactive Examples 1 2 3 Question 3 The population of a country that you want to sell your product to is increasing at a rate of 5% per year. If the population is currently 7,000,000, what will be the population in 12 years?

**science-chemistry**

Predict and draw the structure of the product of the reaction of the following substrates with the given reducing agent. 2-hexanone mixed with hexanoic acid with (i) NaBH4 (ii) LiAlH4

**science**

Thank you

**science**

Oh ok so its d then?

**science**

Is it b for the second

**science**

Then is it a for the first one

**math**

a swimming pool is 40m long and 12m wide with a shallow end and a deep end.The shallow end is 1.3m deep and 10m wide while the deep end is 3m deep and 10m wide. The center tappers gently from the shallow end to the deep end. The pool is filled by four similar pipes each of ...

**Buoyancy**

1.375

**English literature**

From the poem the slave's dream please give one example for each of the following poetic techniques:simile,metaphor,alliteration,personification and onomatopoeia

**Math**

12

**Maths**

So notice when we add 1 to the numerator and denominator, it will be 10/15? This then simplifies to 2/3

**Maths**

? Denominator = 14

**Maths**

Let the numerator of the fraction represent x - 5 By this we can then make a statement of how x represents the denominator. From here we will create an equation and simply solve for x... (x - 5)/x = 2/3 (x - 5 + 1)/ x + 1 = 2/3 (x - 4)/(x + 1) = 2/3 [Multiply both sides to get...

**Maths**

403?

**Maths**

Mr Lee start from her home,and goes 250m due south,then 200m due east,and finally 100 due south to a shopping mall.Find the distance between her home and shopping mall.

**Math**

Jacqui drove at 45 km at a speed of 30 km per hour. How long did the trip take?

**Math**

Five kilometres is about how many miles

**Phyisic**

a student wanted to investigate whether or not the temperature of the water would affect the solubility of sugar she had three glasses of water each with 200 ml of water in them one was at 10 c the second a 25c and the third one was at 40 c she found that the warmer water ...

**chemistry**

Calculate the mass of Mg metal requied to consume 2560g of CO2 in the reaction 2Mg+CO2 ? 2MgO + C

**Maths**

Find the equation of latusrectum is line joining the point (-3,2)and(-3,1)

**Physics **

a boy stands at a distance of 175 m from a high wall. He claps his hands and hears an echo after one second. Calculate the speed of sound in air.

**science**

a body of moss4kg moving with a uniform velocity30m/s is brought to rest in 6sec . find the force required to stop body.

**Maths**

Plz the first and last term of an AP are 79 and -5 if the sum is 814. Find A. The number of terms B. Common difference.

**Calculus**

marginal cost is the derivative of cost with x. the cost of one more at number x so integrate your function C(x) = (.001/3)x^3 - (0.5/2)x^2 + 66.5 x + k assume when x = 0, c = 0 so k = 0 (not really true because you have to set up to build the first one but you need that for ...

**Math**

Simplify: 8^2 + 9(12 / 3 * 2) - 7

**Algebra**

For babysitting, Elissa charges $3 per hour plus an additional $2 for transportation. One evening she was paid $17

**Math**

A girl spent two fifth of her monthly income for family expense, one third for charity and remaining for saving. What fraction of her income does she save?

**Math**

1 2 4 8

**Math**

1 2 3

**math **

In a quiz, team a scored -40,10 and 0;team b scored 10,-40 and 0 and team c scored 0,-40,10.which team scored better?

**Maths**

The minute hand covers one complete circle (360°) in one hour (or sixty-minutes). So by proportion, 360°/60 min. = x ° / 20 min. Cross multiply and solve for x: x=360°/60 min. *20 min. =120 °

**Math**

Can the área of a rectangle ever be itrational?

**Math**

Is this correct? 4^2 - 2(3 * 5 + 1) = -16

**Educational Technology helppppp**

he's right hayley is 3/3 correct

**school**

1) What are four suggested steps to becoming familiar with early music standards? I. Implement the music standards. II. Consult with a music specialist. III. Check to make sure the music standards are satisfied. IV. Read the music standards. V. Sign up for an in-service ...

**school**

41) When planning a music activity, teachers should I. think of a fun activity. II. know the functioning level, musical abilities and interests of individual children in the class. III. align the activity to one or more of the National Standards for Music Education. IV. ...

**school**

6) Classification relies on the ability to recognize likenesses and differences. False 7) Conservation means A) that if two sets are compared and found to be equal, when they are rearranged so they do not look the same, the child determines that the two sets are equal. B) to ...

**math**

It takes Natasha 20 min to drive to work in the morning. She drives home using the same route, but it takes 11 min longer, and she averages 6 mi/h less than in the morning. How far does Natasha drive to work?

**Math **

Remainder theorem - 4x×x×x_12×x×x+11×x_5

**probability**

David has two boxes containing shapes. In box A there are 4 stars and 2 hearts. In box B there are 2 stars and 1 heart. David takes, at random, a shape from box A and puts it into box B.He then takes a shape from box B.

**Math**

(×-23)/8=6 (×-23)= 8x6 (×-23)= 48 Transposition method (×-23)= 48+23 × = 71 (71-23)= 48 ÷ 8 = 6 And. 71 is starting number. Thanks for helping

**school**

1) Art pieces should always be discussed, and children should explain why they drew what they did. True 2) Because young children have difficulty distinguishing reality from fantasy, puppets should not be used very often in the classroom. False 3) Children could have a keen ...

**history**

What would be the negative things?

**ALGEBRA HELP #4**

jjjjjjjjjjjjjj mn hn

**world history**

d tomstone etchings

**math**

answer rate 20%

**math**

A person invested 1100 rs in a company at compound interest compounded semi-annually.he received rs 1331 after one year.rate% is?

**Math**

Find the length of the line segment joining the points whose coordinates are (-3,1)and(5,-5)*

**Math**

Find the length of the line segment joining whose coordinates are (-3,1) and (5,-5) (A) 10 (B) 2 radical 10 (C) 100 (D) sqrt 10

**Chemistry-Balancing equations**

Write a single, balanced equation for the formation of ozone from the high-temperature reaction of atmospheric nitrogen and atmospheric oxygen.

**Math**

Alice reads an equal number of pages of a storybook each day. After 8days, she has 5/6 of the storybook left to read. Another 4days, she has 180 pages left. How many pages are the in the storybook?

**Math**

180pages

**Math**

Alice reads an equal number of pages of a story each day. After another 4 days, she has 180 pages left to read. How many pages are there in the storybook?

**english 9 a**

Flashlight

**Geometry**

By how many degrees does the measure of an interior angle of a regular octagon exceed the measure of an interior angle of a regular hexagon?

**Math **

Ali reads 900.pages in 2 weeks and 3 days how many pages will he read in the month of 31 days?

**Physics**

-7.5n

**Algebra**

Click on "Explain" if you need help. A dart hits the square dartboard shown below at a random point. Find the probability that the dart lands in the shaded circular region. Each side of the dartboard is 15in , and the radius of the shaded region is 5in . Use the ...

**math**

company A sells 53 cm model tv at price of 7000 whereas another B sells same model at price of 16800rs.what is ratio of their selling price?