Saturday

January 31, 2015

January 31, 2015

Total # Posts: 90

**Calculus (math)**

Warfarin is a drug used as an anticoagulant. After administration of the drug is stopped, the quantity remaining in a patient's body decreases at a rate proportional to the quantity remaining. Suppose that the half-life of warfarin in the body is 35 hours. Write a ...
*December 14, 2014*

**Algebra **

A baseball is hit at a point 2 feet above the ground at a velocity of 100 feet per second and at an angle of 45 degrees with respect to the ground. The path of the baseball is given by the function: f(x)= -0.0032x^2+x+2. where f(x) is the height of the baseball in feet and x ...
*November 6, 2014*

**Physics gr. 12**

Rick and Glen are cornered by zombies as they tend to be in each episode. In this particular episode, Glen fires a grappling hook with a rope attached up to the roof of the building they are standing beside. Glen takes a quick look at the bag the rope came in which states a ...
*October 5, 2014*

**science question**

Which process tends to occur more quickly, natural selection or artificial selection?
*May 28, 2014*

**science (check plz)**

8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.the extinct species was a parasite in a ...
*May 26, 2014*

**science (help)**

oh sorry i had figured it out mins later but thank you Ms.Sue
*May 26, 2014*

**science (help)**

18.Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution. 19.Before beginning any land development project, people should carry out a(n) ...
*May 26, 2014*

**science (check!)**

when fossil fuels are burned they produce _____, the main greenhouse responsible for global warming trends. ----MY ANSWER: emission?---
*May 26, 2014*

**science (CHECK plz)**

8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.the extinct species was a parasite in a ...
*May 26, 2014*

**MATH ✿╣Check╠✿**

which expression would you use to figure out the number of ways you can arrange the letter in the word EQUATION?--------------My answer: 8P4 (the 8 and 4 are suppose to be small)
*May 4, 2014*

**MATH ✿╣Check╠✿**

8. There are 5 different cookies in a bag. One of them is your favorite, chocolate chip. What is the probability that you will not get your favorite? 1/5 2/5 24/25 4/5**?
*May 4, 2014*

**MATH ✿╣Check╠✿**

nvm
*May 4, 2014*

**MATH ✿╣Check╠✿**

A bag has 6 green marbles, 4 red marbles, 5 yellow marbles, and 3 purple marbles. What is the probability of choosing a purple marble? 1/6**? 6/18 3/20 1/9
*May 4, 2014*

**chemistry chem science **

A portable CD player that draws 160 milliamperes of current is powered by Ni-Cd rechargable batteries. Compute the mass of Cd consumed when a disk is played for 35 minutes. (enter your answer in grams)
*May 2, 2014*

**Math (help)**

what is the length of the radius of the LARGER cone(the LARGER cone has a slant height of 15) when the SMALLER cone has a radius of 8 and a slant height of 12ft ,please help.
*April 8, 2014*

**Math (help)**

how to find the surface area of a cone with a diameter of 8 and a slant height of 7? with steps? please
*April 8, 2014*

**Math help**

how to find the surface area of a cone with a diameter of 8 and a slant height of 7?
*April 7, 2014*

**Math help**

okay I figured it out, is it 24513.84? @Ms.Sue
*April 7, 2014*

**Math help**

How do you find the volume of a cylinder with a diameter of 34m and a height of 27m?
*April 7, 2014*

**MATH ✿╣Check╠✿**

what is the surface area of a sphere with a radius of 5 meters rounded to the nearest square meter? MY ANSWER: 314m^2 (is it correct?)
*April 7, 2014*

**Math (check)**

thank you!
*April 7, 2014*

**Math (check)**

what is the slant height for the given pyramid to the nearest whole unit? with a pyramid base of 12cm and a height of 8cm. MY ANSWER: 14
*April 7, 2014*

**Math (how do you find the volume of a cone)**

for example, a radius of 5 and a height of 20, could you please explain the steps? Thank you in advance!!
*April 1, 2014*

**science (check!)**

which of the following would be most likely to lead to increased biodiversity? . My answer: National park planning (though I kind of have the answer of farming in thought too)
*March 30, 2014*

**Science (check please)**

thank you so much Damon! I got them all right (:
*March 28, 2014*

**Science (check please)**

3. Which of the following pairs of terms could be used to describe a bullfrog that is active at night and enters a state of complete inactivity during colds months? . . . My answer: Circadian rhythm and hibernation.
*March 28, 2014*

**science (check please (:)**

haha thank you Damon!
*March 28, 2014*

**science (check please (:)**

8.Which of the following would help decrease the human ecological footprint? . . . . . . . . . . . . . . . My answer: using public transportation instead of riding in a car? (I have doubts on my choice) but my other choice is using bottled water instead of tap water?
*March 28, 2014*

**science (check)**

Before yes but it was too late when I realized it. (:
*March 28, 2014*

**science (check)**

5.Which of the following could help reduce loss of biodiversity ? A. increasing construction of tall buildings B. increasing farming operations C. increasing conservation measures***** D. Increasing the human ecological footprint
*March 28, 2014*

**science (check)**

carrying capacity is the maximum number of _____ that an ecosystem can support. . . . My Answer: Individuals in a population (Is it right?)
*March 28, 2014*

**social studies (check plz)**

thank you.
*March 27, 2014*

**social studies (check plz)**

Which statement best describes the government of Canada? The monarch of Britain has total control over Canada. The Canadian parliament is ruled by the United States. Canada has complete power over its own government(MY ANSWER) The prime minister is the monarch of Canada.
*March 27, 2014*

**Math check (:**

thank you Ms.Sue!
*March 20, 2014*

**Math check (:**

find the volume of the cone with a radius of 6in. and a height of 11in. MY ANSWER: 415 in^3 (Is it right?) thank you in advance!
*March 20, 2014*

**math (check please)**

yay thank you @steve (:
*March 20, 2014*

**math (check please)**

find the volume of a square pyramid with a base length of 9cm and a height of 4cm. ANSWER: 108 cm^3 (is it right?)
*March 20, 2014*

**math question (CHECK)**

find the surface area of a square pyramind with a base length of 24cm and a height of 16cm . . . . . . . . A.1056 cm^2 . . . . . . . . . . B.1536 cm^2 . . . . . . . . . . C.816 cm^2 . . . . . . . . . . D.1344 cm^2(I CHOOSE THIS ONE)
*March 20, 2014*

**Math question check**

find the surface area of a square pyramind with a base length of 24cm and a height of 16cm . . . . . . . . A.1056 cm^2 . . . . . . . . . . B.1536 cm^2 . . . . . . . . . . C.816 cm^2 . . . . . . . . . . D.1344 cm^2(I PICKED THIS ONE)
*March 20, 2014*

**MATH (check please)**

oops sorry you were right it is 285.7! thank you @steve
*March 19, 2014*

**MATH (check please)**

find the lateral area of a cone with a radius of 7ft. and slant height of 13ft, use 3.14 for pi and round the nearest tenth. . . . . A.439.6 ft^2 . . . . . B.324.5 ft^2 . . . . . . C.571.5 ft^2 . . . . . . D.258.7 ft^2(I PICKED THIS ONE)
*March 19, 2014*

**math (check)**

thank you (:
*March 19, 2014*

**math (check)**

find the volume of a cylinder with a diameter of 16mm and a height of 5.7. A.2,292mm^3 . . . 4,584mm^3(i think its this one) . . . 689mm^3 . . . . 1,146 (but i also got an answer close to this but the tens place was 5)
*March 19, 2014*

**math**

oops nvm
*March 17, 2014*

**math **

Calculate the slant height for the given cone. Round to the nearest tenth. (explain?) 10.2 cm 11.4 cm 9.8 cm 12.0 cm (I picked this one)
*March 17, 2014*

**math (cant figure it out)**

thank you guys I figured it out! and especially to Chelle (:.
*March 15, 2014*

**math (cant figure it out)**

How to find the surface area of a cylinder with a diameter of 6ft and a height of 20cm using 3.14 rounded to the nearest whole number. (I cant figure it out my book doesn't give an example of it just a radius formula and ive tried searching the formula but i cant find any ...
*March 15, 2014*

**math**

thank you, I got it!
*March 13, 2014*

**math**

How Many Lateral Faces Does A Triangular Prism Have?
*March 13, 2014*

**social studies **

12. How do the cherries on a cherry tree help the plant reproduce? Cherries develop into seeds, which are young, undeveloped plants. Animals eat the cherries, which helps disperse the plant’s seeds. Pollen inside the cherries fertilizes ovules, which produce seeds. ...
*March 6, 2014*

**science**

thank you!
*March 5, 2014*

**science**

oops forgot to put my answer, I think it is either A or B.
*March 5, 2014*

**science **

3. Which of the following is an example of inbreeding? A farmer chooses the cows in his or her herd that produce the most milk and breeds only those cows. A farmer chooses the cows in his or her herd that produce the most milk and breeds them with cows that get sick less often...
*March 5, 2014*

**social studies**

thanx I figured out the answer (:
*March 5, 2014*

**social studies **

The first immigrants to the United States were mainly from England, Scotland, Ireland, Germany, and? a. Russia. b. Italy. c. Scandinavia. d. Greece I think its either A or C please help
*March 5, 2014*

**Math**

Hi, could you please provide a step by step solution explaining how to do this: [(a^2 - b^2 + a + b)/(a - a^3)] x [(1-a^2)/(a - b + 1)] The answer should be (a + b)/ a Thanks
*February 4, 2014*

**Science**

1.A 2.C 3.B 4.D 5.C 6.B 7.D figure out the rest by using info and your head :)
*November 6, 2013*

**engliiish**

dramatic monoluge and soliloquy main similarity and main difference
*October 2, 2013*

**trig**

How do you solve sin(e^x)=0 for x? The question is "find the smallest number x such that sin(e^x)=0".... but I can't even get AN answer lol! Much appreciated!
*September 11, 2013*

**trig**

How do you solve sin(e^x)=0 for x? The question is "find the smallest number x such that sin(e^x)=0".... but I can't even get AN answer lol! Much appreciated!
*September 11, 2013*

**Math**

Writ two decimals that are equivalent to the given decimal 5.300 3.7 0.9
*September 11, 2013*

**science**

A solution is prepared by mixing 100.0 mL of 0.0500 M AgNO3 with 75.0 mL of 0.0500 M CaCl2. What is the equilibrium concentration of Ag+ in solution? Ksp for AgCl is 1.6 x 10^-10
*July 26, 2013*

**MATH**

A random sample of state gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents? 38.4 40.9 67 32.5 51.5 43.4 38 43.4 50.7 35.4 39.3...
*April 9, 2013*

**Math Help please!**

Find the area under the standard normal distribution curve for the following z-values: a. Between z= 0 and z = 2.01 b. Between z = 0 and z = -0.32 c. To the left of z = -0.73 d. To the right of z = 0.32
*April 3, 2013*

**Social Studies**

gosh, do it yourself Ms. Sue isnt your slave stupid moron!
*February 28, 2013*

**Need help with ~Social Stusies!**

wow
*December 22, 2012*

**chemistry**

4.65x10^-4mol
*May 23, 2012*

**math**

factor quadratic equation x^2-20x-10,925
*November 28, 2011*

**college math**

solve the equation 1). (x+4)(x-12)=5x 2). 4x^2+2x-14=16-17x
*November 22, 2011*

**physics**

object A exerts a gravitational force of magnitude 8.2 x 10^-10 N on object B. determine the magnitude of the gravitational force if, simultaneously, the separation distance is tripled, mA increased by 4 times and m8 is halved. explain your reasons and show all calculations.
*October 14, 2011*

**Algabra 1**

Buying a Home For most people, buying a house is a great investment that can offer security in an uncertain world, but buying a house is also a commitment. Application Practice Answer the following questions. Use Equation Editor to write mathematical expressions and equations...
*August 13, 2011*

**Physics**

A particle moves along the x axis. It is initially at the position 0.350 m, moving with velocity 0.110 m/s and acceleration -0.380 m/s2. Suppose it moves with constant acceleration for 3.50 s. (a) Find the position of the particle after this time. (b) Find its velocity at the ...
*May 19, 2011*

**physics**

if the angular quantities theta omega and angular acceleration were specified in terms of degrees rather than radians how would the kinematics equations for uniformly accelerated rotational motion have to be altered
*February 28, 2011*

**physics**

if the angular quantities theta omega and angular acceleration were specified in terms of degrees rather than radians how would the kinematics equations for uniformly accelerated rotational motion have to be altered
*February 28, 2011*

**physics**

the drawing below shows three vectors acting on a particle. If the acceleration of the particle is zero. Find the magnitude and the angle respect to the east of the third vector.
*January 4, 2011*

**science**

This isn't a homework/quiz question, Well I guess it is homework, But I need to find out three types of friction in a machine I just built, but I don't know any types of friction. So I was wondering if someone could list the types and explain what they are. Thank you ...
*December 9, 2010*

**science**

My science teacher gave me a site to go to and it would do the references for me. But I forgot the site. I remember that it Had APA, Print and non print. Can someone please help me with the site address? Thank you so Much!
*December 4, 2010*

**english**

Need help with writing an essay. My essay will be about giving advices to high school students on how to be a successful. I have to create arguements for it and I don't know how. At first I want to give a difinition of the word "Successful".Then write about ...
*November 30, 2010*

**science**

So is it kinda like a camera?
*November 30, 2010*

**science**

I'm doing my science homework and I have a hard question I cant answer. The question is: how do we look like when we pay attention? I would really apperciate if someone would help me with this. Thank You!
*November 30, 2010*

**Science**

I need to know how Science is invovled in this: How The color of your test affects your grade.
*November 26, 2010*

**Science =____= ASAP!!!**

The answer to your question is, Chemical (:
*November 24, 2010*

**fibers and fabrics**

not all of them are wrong here are the ones u don't have and are wrong on 1.d 2.c 6.d 11.d 12.c 13.d 18.a
*December 2, 2009*

**accounting**

What are some of the different types of budgets? Describe in detail one type of budget. Describe what the budget is used for and what information it provides a business. Discuss how a business benefits from each of the budgets.
*October 1, 2009*

**com220**

What makes the arguments so viable and compelling in the article a nation apart
*September 7, 2009*

**biology**

Do RNA viruses follow the central dogma, or are their genes and proteins stored, transmitted, regulated, expressed and processed, differently from eukaryotes?
*April 2, 2009*

**english**

what does ashy mean in this peom?
*February 26, 2009*

**Chemistry**

I am supposed to name the following symbol: 30 (subscript) 67 (exponent, but on the left side) Zinc. How would I name this? Would it be Zinc-30, or Zinc-67? Or would you subtract them or something? Thank you!!
*February 23, 2009*

**Chemistry**

kHow do you find the number of protons, electrons, and the charge of N^-1? What makes this different from just finding N? Thanks so much!!!
*February 23, 2009*

**chemistry**

How can you determine the mass of Cu after a chemical reaction, in order to determine the concentration of CuSO4
*March 8, 2007*

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