Wednesday

May 4, 2016
Total # Posts: 96,152

**trigonometry**

verify sinx/secx = 1/tanx+cotx
*March 5, 2016*

**Math**

Two numbers are in the ratio of 3 to 4. If the smaller number is increased by 10 and the bigger number is decreased by 10, the results are equal. Find the numbers?
*March 5, 2016*

**Chemistry**

When perturbing the equilibrium with heating and cooling, how many times do you think the equilibrium can be shifted before it stops working? Why? How about modification of the equilibrium through changes in concentration?
*March 5, 2016*

**LA**

thank you bye
*March 4, 2016*

**LA**

okay i got to go so just say if i am right and i don't understand 6 still but just write the right answers please and i will see it tomorrow morning
*March 4, 2016*

**LA**

1 is b and 2. is a
*March 4, 2016*

**LA**

yes i did but can you just check my answers please because none of them helped to much
*March 4, 2016*

**LA**

i just want you to please check the answers and help me with question 6 please
*March 4, 2016*

**LA**

sorry 4 is a not c
*March 4, 2016*

**LA**

help me with 6
*March 4, 2016*

**LA**

1. It shall flash through doing ages, 2.It shall light the distant years; 3.And eyes now dim with sorrow 4. Shall be brighter through their tears 5. It shall flush the mountain ranges, 6. And the valleys shall grow bright; 7. It shall battle the hills in radiance, 8. And crown...
*March 4, 2016*

**math**

Solve for: 1+cosx/sinx + sinx/1+cosx = 1 My teacher said no solution, but I don't know how he got that.
*March 4, 2016*

**french **

Are these correct? she broke her leg - elle se cassée la jambe. my head hurts - J'ai mal à la tête you hurt your foot - vous blessez votre pied
*March 4, 2016*

**French**

Is this sentence correct in terms of subject and gender agreement? L'image est en noire et blanche.
*March 4, 2016*

**Trig**

Solve for [0,2pi) 2cos4x + sqrt3 = 0
*March 4, 2016*

**chemistry**

Sorry the % yield is = (16.2/ theoretical yield) *100
*March 4, 2016*

**chemistry**

Balanced equation: Ti + 2Cl2 --> TiCl4 To find the limiting reactant find the moles of Ti and Cl2. Remeber that theres 2 moles of Cl2. The one with the lowest amount of moles is the limiting reactant. Next use the moles of the limiting reagent to find to theoretical mass ...
*March 4, 2016*

**Physics**

A crate is sliding down a ramp that is inclined at an angle 26.8 ° above the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.260. Find the acceleration of the moving crate.
*March 4, 2016*

**Math**

A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn: 2 is a factor of n2 + 7n
*March 4, 2016*

**LA**

ok thank you
*March 4, 2016*

**LA**

they both have Big buildings, streets, and bridges depend upon concrete mixers.
*March 4, 2016*

**LA**

yes
*March 4, 2016*

**LA**

but do they have a lot of similarities
*March 4, 2016*

**LA**

will i read concrete mixers, harlem night song, The city is so big. this are poesms but i'm not sure if they have a lot of things in common
*March 4, 2016*

**LA**

i don't know
*March 4, 2016*

**LA**

please help me choose two poems, short stories, essays, or novels
*March 4, 2016*

**LA**

for the critical review essay you are to choose two poems, short stories, essays, or novels. Whatever you choose they must have a similar theme. State the theme for both stories in your introductory paragraph. In the body paragraphs provide text based evidence to support your ...
*March 4, 2016*

**Math**

i @ms.sue plzzz help me
*March 4, 2016*

**Math**

i need help anyone?
*March 4, 2016*

**health check my answers**

what is the answers
*March 4, 2016*

**english**

Have you discovered where you left your books?
*March 4, 2016*

**introduction to oorganisational psychology**

acoidabla
*March 4, 2016*

**Algebra**

what is it\
*March 4, 2016*

**Math**

urtdu
*March 4, 2016*

**Math**

Kim rolls two number cubes 60 times. How many times can she expect the sum of the numbers to be greater than 10
*March 4, 2016*

**math**

Tom built a fence around his rectangular shaped pool. The posts are 2 yards apart, there are 4 posts along the width and 8 posts along the length. What are the dimensions of the fence?
*March 4, 2016*

**Math**

How much money would you have in 15 days if you get a penny doubled each day?
*March 4, 2016*

**Math**

4/5 of the birthday cake was eaten on your birthday the next day you ate 1/2 of what was left. You got to finish the cake, how much was left? Hint: Leave your answer as a fraction
*March 4, 2016*

**Math**

4/5 of the birthday cake was eaten on your birthday the next day you're ate 1/2 of what was left. You got to finish the cake, how much was left? Hint: Leave your answer as a fraction
*March 4, 2016*

**algebra 1b**

sarah has 16 coins, some quarters and some nickels. if te coins have a value of $2.20, how many of each kind does she have.
*March 4, 2016*

**business studies **

What is meant by a viable business idea
*March 3, 2016*

**Weight Is Force! Science**

A space ship has a mass of 9000kg. the space ship is launched from Earth and lands on a distant planet where it has a mass of 390000 N. What is the acceleration of the gravity on this planet?
*March 3, 2016*

**math **

anthony wants to make two gardens, each with an area of 24 square feet. He will buy boards to go around each garden. the garden has side lengths that are whole numbers. draw two of the possible gardens. which garden will use boards
*March 3, 2016*

**Chemistry**

2Ln(s)+3Cd^2+(aq)->2Ln^3+(aq)+3Cd(s)
*March 3, 2016*

**English**

Is it okay to say "on the very contrary"?
*March 3, 2016*

**Math**

*Play
*March 3, 2016*

**math help please**

Zarat Zim sells refrigerators. He earns 8% commission on sales. How much does he earn on sales of $3000
*March 3, 2016*

**Math**

mr.gram is going to paint his rocket . the paint he selected is $20 per quart and it covers 50 square ft. How many quarts of paint does mr. gram need to paint his rocke if the area of the rocket was 44 ft. squared
*March 3, 2016*

**Physics**

a 2199 kg pile driver is used to drive a steel beam into the ground. the pile driver falls 8.8 m before contacting the beam, and it drives the beam 19 cm into the ground before coming to rest. using energy considerations, calculate the average force the beam exerts on the pile...
*March 3, 2016*

**geography**

becuase some times you dont answers pepoles qustions the way you are supposed to.
*March 3, 2016*

**geography**

so is it right
*March 3, 2016*

**geography**

Because of her reform activities, which group would not have supported Rebecca Latimer Felton? (1 point) supporters of educational opportunities for all citizens of the state supporters of the suffrage movement to gain voting rights for women supporters of the convict lease ...
*March 3, 2016*

**science**

no this is a practice but i dont know the answers so i put this so i can study on how those are the
*March 3, 2016*

**science**

1. The current atomic model would be revised if (1 point) better microscopes were being used to study its structure. better microscopes are invented in the future. new information about an atom’s structure is discovered. a new element is discovered in the future. 2. ...
*March 3, 2016*

**Biology**

Hair is part of it so hair
*March 3, 2016*

**Biology**

its placenta..
*March 3, 2016*

**Biology**

The single defining characteristic of the mammals is the presence of? mammary glands. a placenta. hair. warm blood. a skul
*March 3, 2016*

**science**

if the mass of the earth is 598*10 to the power of 22km and the mass moon is 7.36*10 to the power of 22kg. calculate the difference in their masses, what is the answer in scientific notation
*March 3, 2016*

**Maths **

Metal components for a machine have lengths which are normally distributed with mean 8 cm and standard deviation 4 cm. A) the longest 10% of components require filling down. What is the smallest length of component which require filing down? B) the shortest 15% of components ...
*March 3, 2016*

**Maths **

2a) assume that adult males have footless which are normally distributed with mean 24.6 cm and standard deviation 1.05 cm. Calculate the probability that an adult male has a foot length is greater than 27 cm. My answer - 2 2b) assume adult females have foot lengths which are ...
*March 3, 2016*

**Maths **

1a) for an organic dairy cow, shortly after calving, assume that the amount of milk produced follows a normal distribution with a mean of 27 litres of milk per day and a standard deviation of 4 litres of milk per day. i) calculate the probability that an organic dairy cow will...
*March 3, 2016*

**geography**

During which time period is the Bourbon Triumvirate associated? A. Civil war Era *** B. New south Era C. Antebellum Era D. Reconstruction Era
*March 3, 2016*

**math**

Lani bought 12 yards of fabric. She cuts the fabric into 5-ft long sections. How many 5-ft sections, will she have?
*March 3, 2016*

**Math, Please check answers**

Poo mc p
*March 3, 2016*

**mathematics**

Write down the value of x that will make 5x+4÷√8-4x to be(a)non-real number,(b)undefined
*March 3, 2016*

**life orientation**

what psycological impact abuse my have an a victim
*March 3, 2016*

**Finance**

If a home buyer purchases a home in 2006 for $225,000 with a 10% down payment using a 30 year fixed mortgage rate at 6.5% and 3.5% closing costs added to the original mortgage, compute the following: a) the original amount of the mortgage loan b) the home's market value in...
*March 3, 2016*

**Grade 9 mathematics**

25 men complete a job in 60 hours.How long will it take 20 men to complete the same job?
*March 3, 2016*

**Math**

Geh
*March 2, 2016*

**Science**

Kilograms divided by Newton?
*March 2, 2016*

**Science**

Sorry it is kilograms DIVIDED by Newton
*March 2, 2016*

**Science**

How do you do kilograms multiplied by Newton?
*March 2, 2016*

**Chemistry**

Write a balance equation first. C4H10 + O2 ---> CO2 + H2O Balance the reaction: 2 C4H10 + 13 O2 ---> 8 CO2 + 10 H2O So, you need 13 moles of O2 for 2 moles of C4H10. moles of O2=85.6/13=6.58 moles of C4H10=14.2/2=7 Moles of O2 is the limiting reagent.
*March 2, 2016*

**Science**

I'd but I think it would be 2?
*March 2, 2016*

**Science**

You should listen in class and you would not have this question
*March 2, 2016*

**algebra**

On a scale drawing with a scale of 1/64, the height of a building is 7.8 inches. How tall is the actual building? 64 x 7.8 = 499.2
*March 2, 2016*

**Statistics**

Two high school students took equivalent language tests, one in German and one in French. The student taking the German test, for which the mean was 66 and the standard deviation was 8, scored an 82, while the student taking the French test, for which the mean was 27 and the ...
*March 2, 2016*

**Bio**

difference between lytic and lysogenic life cycle
*March 2, 2016*

**Physics **

The system of nine small 3 kg objects is rotating at an angular speed of 6 rev/s. The objects are connected by light, flexible spokes that can be lengthened or shortened. What is the new angular speed if the spokes are shortened from 6 m to 2 m?
*March 2, 2016*

**language arts**

Well it has to be one.
*March 2, 2016*

**math**

how to factor (8 x^3 y^2)+ (4 x^2 y)- 12 x y^3. I could factor out 4xy from each term. Is that all I can do?
*March 2, 2016*

**geography**

Practical action that you can take to address human right violations of xenophobia in your community?
*March 2, 2016*

**Writing**

Which technique is useful for avoiding plagiarism
*March 2, 2016*

**math**

A canoe rental company charges $10 for a canoe and an additional charge per person. there are 4 people going on trip and they have planned on spending total of $50. They hope that the total cost is within $20 of the planned spending total.what is the maximum and minimum they ...
*March 1, 2016*

**Algebra**

let the rate took when travelling to the island be r. So,the rate for return trip is r-3. time taken to the island=60/r time taken back from island=60/r-3 60/r+60/r-3 =9=total time find L.C.D , so after solving,u get r=15mph speed to the island=15mph speed from island =15-3=...
*March 1, 2016*

**Math**

s Patricia finds that the experimental probability of her dog wanting to go outside between 4 p.m. and 5 p.m. is 7/12. About what percent of the time does her dog not want to go out between 4 p.m. and 5 p.m.?
*March 1, 2016*

**Math**

Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation.
*March 1, 2016*

**Pre-Calc**

Solve this system of linear equations. 5x+2y-7z=-13 9y+z=29 z=2 Is this -1, 3, 2?
*March 1, 2016*

**Calculus**

Find the lengths of a triangle whose two sides lie on the coordinate axes and the other side passes through the point (1,1)
*March 1, 2016*

**Calculus**

Find the lengths of a triangle whose two sides lie on the coordinate axes and the other side passes through the point (1,1)
*March 1, 2016*

**mathhh**

A circular oil slick is expanding with radius, r in yards, at time t in hours given by r=2.5t−0.3t2, for 0≤t≤10. Find a formula for the area in square yards, A=f(t), as a function of time. f(t)= HELP PLEASE!
*March 1, 2016*

**math**

what is 5% of 200
*March 1, 2016*

**math**

Mike is 11 years old. Jim is twice as old as Mike. When Jim is 50 years old, how old will Mike be?
*March 1, 2016*

**Math**

For a scientific experiment, a physicist must make sure that the temperature of a metal does not get colder than −78 °C. The physicist changes the metal's temperature at a steady rate of −3 °C per hour. Let t represent temperature in degrees Celsius. ...
*March 1, 2016*

**Math**

Jim's piano lesson are 30 minutes longer than Suzanne's clarinet lesson.Suzanne's clarinet lesson are one-third the length of pedro's guitar lessons.If pedro's guitar lessons are 60 minutes long,hoe long are Jim and Suzanne's lessons?
*March 1, 2016*

**Earth Science**

How does altitude affect climate (beyond just temperature)?
*March 1, 2016*

**English**

Which sentence is correct? Thanks for all you have done for the past year. Thanks for all you have done since the past year.
*March 1, 2016*

**Life orientation**

Lo
*March 1, 2016*

**Science/Biology**

the vessels that contain the largest volume in the vascular system are? I think Arteries
*March 1, 2016*

**math**

2 gallons how many quarts
*March 1, 2016*