Posts by Emma

Total # Posts: 1,791

ap biology
It withdraws the sample.

Chem
suppose a balloon is filled with air. How would the volume of the air in the balloon change with an increase in temperature? Can someone help explain this to me and what does the particles of matter have to do with this? 2.) How would the volume of the air in the balloon ...

Math
A swimming pool is 10 m long, 8 m wide, and 1.5 m deep. The interior of the pool will be painted with water resistant paint. How much area will be covered with the paint?

English
I had to read this paragraph to see if there was any puncuation and grammar mistakes and also with the content and correct citations. I found that the person used "this" which is not appropriate because the reader doesn't what "this" is. There seems to ...

Math
My Name is Michael Emmanuel

Math
You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round to the nearest mile).

PRE CALCULUS
1.) The cash flow per share for the Timerland Co. was $0.18 in 1995 and $4.04 in 2003. Write a liner equation that gives the cash flow per share in terms of the year. Let t=5 represent 1995. Then predict the cash flows for the years 2008 and 2010. 5.) The University of ...

Pre Calculus
Rate: $4.50 increase per year

Pre Calculus
In exercise 100, you are given the dollar value of a product in 2005 and the rate at which the value of the product is expected to change during the next 5 years. Use this Info. to write a linear equation that gives the dollar value V of the product in terms of the year t. (...

Math
Thank you so much this really helps

Math
Make sure to divide your answer by 27 to make it in cubic yards

Geometry
Ms.sue how did you get 9 and 10

algebra
find the slope of each line. y=-1/2x=1

AP chem
if a metal ore contains 12.7% pure metal, how many pounds of pure metal can be obtained from 62 pounds of metal ore

Urgent math
The initial size of a culture of bacteria is 1000. After one hour the bacteria count is 4000. (a) Find a function n(t) = n0ert that models the population after t hours. n(t) = b)Find the population after 1.5 hours. (Round your answer to the nearest whole number.) n(1.5) = ...

Urgent math
i need help with these two homework problems Use the Laws of Logarithms to combine the expression into a single logarithm log2 5 − 5 log2 x + 1/2 log2(x + 1) Solve the logarithmic equation for x log2(x + 2) + log2(x − 1) = 2

Urgent math
g(x) = log3(x + 3) state its domain, range, and asymptote. i am having trouble with this can somebody help me?

pre-cal
Change of Base Formula logb x = loga x/loga b to evaluate log14 41. (Round your answer to three decimal places.) i need a step by step preview please

Science
What are the reasons why human being is considered the most intelligent animal in the earth?

Science
What are the reasons why human being is considered the most intelligent animal in the whole universe?

grammar
Me

Astronomy
If you lived on Mars, which of the planets would exhibit retrograde motion? Explain.

Physics
In deep space, a 636 kg space probe, travels with an initial velocity of 19 m/s. Retro-rockets fire, producing a 212 N force in the opposite direction of the probe's initial velocity. How many seconds until the probe has a velocity of 22 m/s in the opposite direction of ...

Physics
In deep space, a 636 kg space probe, travels with an initial velocity of 19 m/s. Retro-rockets fire, producing a 212 N force in the opposite direction of the probe's initial velocity. How many seconds until the probe has a velocity of 22 m/s in the opposite direction of ...

chem
what is the net ionic equation of tin and potassium carbonate: Sn(s) + K2CO3(aq) --> K(s) + SnCO3(aq) show the steps plss

Language Arts
Thanks.

ss
Really? Be respectful!

Language
Haha... What is wrong with all of you? I get the teachers being on to check for cheaters but all of the people even ON this post are cheaters. The only reason you would be on here is to cheat or help the student - which by the way, only 2 people actually did. Yes, I know I am ...

math
Explain how to write a function rule from the table below. Then write a function rule. x 2 4 6 y 1 0 -1

Science
thanks school iscool!!

chemistry
In generating the synchronous spectrum, it is not necessary to specify the wavelength range, why?

History
1.B 2.C 3.B 4.B 5.C Are these correct? @Ms.Sue

History
1.Which 19th century movements were most associated with each another? A- Socialism and imperialism B- Transcendentalism and utopianism C- abolitionism and manifest destiny D- romanticism and democratic-republicanism 2.The writings of Transcendentalists had the greatest ...

Geometry
The front wheel of a child's tricycle has a 10-inch radius and the rear wheels have a 6-inch radius. The pedals are attached to the front wheels by arms that are 7 inches long. How far does a pedal travel when the rear wheels make one revolution?

History
@Ms.Sue please check this

History
1.Which answer best describes a reason why industries flourished in New England? A- The people in New England had more work experience. B- New England had more lakes to use for water in factories. C- The soil was better than in the South so they could grow better crops. D- The...

SCIENCE HELP! Ms.Sue
Thank you Amanda.

History
@Ms.Sue please check

History
Which explains why the Compromise of 1850 intensified the argument about slavery? A- People for and against slavery migrated to Western stats to influence laws. B~Free states in the West added more antislavery votes to Congress. C~The equal division of slave and free ...

Calculus
A particle moves along the curve y = 3x2 + 1 in such a way that the y value is increasing at the rate of 3 units per second. At what rate is x changing when x = 2?

calculus
In the space below, provide the smaller of the two positive integers that add to 40 and have the largest possible product

calculus
If 800 feet of fencing is used to enclose a rectangular plot of land that borders a river, what is the maximum area that can be enclosed? Answer to the nearest square foot without commas. For example, if the answer is 1,000, write 1000.

math
suppose you covered your desktop with small squares.Then you cover your desktop with large squares.Would you use more small squares or large squares?Explain

Math
Victor should say 35, if I am correct

SS
Well, Ms. Sue already pointed out that it is not A or C. If you look at D you can tell that the one-child Policy wouldn't make china' cities grow rapidly because they would be having less children. The only answer left is B. If you ever have a problem like this be sure...

calculus
A firework is launched at the rate of 10 feet per second from a point on the ground 50 feet from an observer. To 2 decimal places in radians per second, find the rate of change of the angle of elevation when the firework is 40 feet above the ground. Type your answer in the ...

History
@Ms.Sue I fixed it

History
1. How were William Lloyd Garrison and the Rev. Elijah Lovejoy alike? A)Both lived in Boston and were Underground Railroad conductors. B)Both printed newspapers with antislavery messages in the North. C)Both used their houses as Underground Railroad stations and risked their ...

History
@Ms.Sue please help

History
How were William Lloyd Garrison and the Rev. Elijah Lovejoy alike? Both lived in Boston and were Underground Railroad conductors. Both printed newspapers with antislavery messages in the North. Both used their houses as Underground Railroad stations and risked their lives for ...

SS
So true "THIS IS DRIVING ME INSANE". Also, I don't know the answer to your question but guys, there is no context on Xiao. The question really has nothing to do with Xiao. It's simply asking which question would address a challenge.

math
Gabriel walked 100m around the perimeter playground.How long and how wide could the play ground be? give three different answers.

Art
Thanks so much I just got 100% on my test The answers are C B D

Science
Was it right?

Chemistry
The heat of fusion of a metal is 5.53 J/g at its freezing (melting) point of 559◦F. How much of this solid metal (already at 559◦F) can be melted if 3382 J of energy are available? Answer in units of g. I don't know how to set up the problem

calculus
A 15-ft ladder rests against a vertical wall. If the top of the ladder slides down the wall at a rate of 0.33 ft/sec, how fast, in ft/sec, is the bottom of the ladder sliding away from the wall, at the instant when the bottom of the ladder is 9 ft from the wall? Answer with 2 ...

calculus
The area A = πr2 of a circular water ripple changes with the radius. At what rate does the area change with respect to the radius when r = 4ft?

calculus
The height of a cylinder with a fixed radius of 4 cm is increasing at the rate of 2 cm/min. Find the rate of change of the volume of the cylinder (with respect to time) when the height is 14cm.

Social Studies
Thank you Maddie. :)

English
A IS THE ANSWER

physics
60 cubic feet of air at 30 PSIG and 50 degrees F is compressed to 80 PSIG and 110 degrees F. What is the final volume?

physics
A hydraulic cylinder has to overcome a force of 12,600 pounds on the extend stroke and 9,375 pounds on the return stroke. The maximum system pressure available is 2200 PSIG. What is the smallest diameter cylinder required to overcome the load and what is the maximum diameter ...

fluids
An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the volume of air that escapes from the tank?

fluids
A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line diameter should be specified?

fluids
What are the three benefits of a fluid system as the prime mover in a system? Explain each benefit.

physics
A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line diameter should be specified?

physics
. An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the volume of air that escapes from the tank?

fluids
. A nut is frozen on a shaft and it will take a minimum 190 foot pounds to break it free. How long a cheater (extension) will a 120 pound person need to put on to an adjustable wrench with a 6inch handle?

fluids
60 cubic feet of air at 30 PSIG and 50 degrees F is compressed to 80 PSIG and 110 degrees F. What is the final volume?

fluids
A man unloads a truck that has 25 15 pound cinder blocks to a pallet 12 feet away. A. How much work has he done?B. How much power if he finished in 8 minutes?C. How much HP was exerted?

social studies
Berlin

math
Today

history
@Ms.Sue Please check

history
which of the following was an effect of the assembly line? A) it made workers want to return farms B) it made clothing more expensive to produce C) it increased demands for worker compensation D) it drove down the cost of clothing production Who introduced the idea of ...

History
@Ms.Sue please check

History
1. How did new England's textile industry affect both children and women? a) It allowed them to earn a living wage until the age of 25. b) It gave them opportunities not available on family farms. c) It permitted them to complete their schooling. d) It provided long-term ...

Physics
Mass m1 = 0.5 kg moves with constant velocity v1i = 2.5 m/s along the x-axis and collides with mass m2 = 2.6 kg, which moves with velocity v2i = 3.1 m/s, as sketched below(completely vertical). After the collision, m1 and m2 stick together. a.) Find the angle, θ, between ...

L.A
It is C. I just took a test for an online school I attend. It gave me the answers after I submitted the test. It is C.

chemistry
what is the strongest intermolecular force in nitrogen trifluoride

phy
Which of the following is NOT true? evaporation occurs at any temperature of a liquid boiling takes place only at the surface of the liquid evaporation occurs only at the surface of a liquid boiling of a liquid takes place at a definite temperature and pressure

phy
Calculate the change in internal energy of 2kg of water at 90 degree celcius when it is changed to $3.30m^{3}$ of steam at $100 ^{o}$C. The whole process occurs at atmospheric pressure. The latent heat of vaporization of water is $2.26\times10^{6}$ J/kg.

Algebra 2 (DIVIDEPOLYNOMIALS)
How do you divide this polynomial using long division? (6x^3-17x^2-104x-60) divide by (2x+5)

Physics
A mover pushes a 60 lb box 30 ft along a level floor at constant speed with a force directed 45 degrees below the horizontal. If the coefficient of kinetic friction is 0.20, how much work does the mover do on the box? ...Is this one of those trick questions where the work is 0?

Business Math
Ned’s Sheds purchases building materials from Timbertown Lumber for $3700 with terms of 4/10, 2/15, n/30. The invoice is dated October 17. a) List the time periods, as well as the payment and percent discount for each period. b) On November 1, a partial payment of $2000 ...

social studies
@helping Just to let you know, you spelt "grammar" wrong. You need a spelling teacher :)

math
067degree

Math
What is the combined height of 3 nickels, 2 nickles, and 1 nickle

Math
How many times larger is the area of a square (Length of Sides = A) than the area of an equilateral triangle (Length of Sides = 0.5A)?

physics
If a person weighs 700N on Earth, what force due to gravity would they exert on a 1500kg car they are standing 1.5m from? Assume the distance is between their centres of mass. F=Gm1xm2/r^2?

Ap calc
Use the method of cylindrical shells to find the volume V of the solid obtained by rotating the region bounded by the given curves about the x-axis. x + y = 3, x = 4 − (y − 1)^2

AP calc
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y = 8x − x^2, y = 12; about x = 2

AP calc
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y = 13 sqr.(x) y = 0, x = 1; about x = −3

Science
1.Infrared radiation has wavelengths ranging from about 800 nm to 1 mm. What is the frequency of radiation of wavelength 970 nm? Answer in units of s−1 . 2.Microwaves, such as those used for radar and to heat food in a microwave oven, have wavelengths greater than about ...

english
i think it's cause

math
Use the line graph to solve. What was the difference in water levels between Week 2 and Week 4? A. 10 m B. 1 m C. 0.10 m D. 0.01 m the water kecvers is 5.3 and 5.4

physics
6

Science
Use Emma's answers she's correct i'm telling you she's a life saver.

Science
JUST TOOK THE QUIZ GOT 100% 1.) True 2.) C 3.) A 4.) A

Physics
In the deep ocean, a water wave with wavelength 95 m travels at 12 m/s. Suppose a small boat is at the crest of this wave, 1.8m above the equilibrium position.What will be the vertical position of the boat 3.0s later?

P.E
Here are my answers for this mrs. Sue 1. a 2. a 3. d 4. b 5. b 6. b 7. a 8. c 9. a 10.d PLEAZE give me feedback asap!

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>