Monday

November 30, 2015
Total # Posts: 92

**Calculus**

Problem 5. Protein Concentration in Cells Consider a growing bacterial cell that is producing a protein involved in binary fission. Suppose that, at a particular point in time, a bacterial cell has a volume of 1000 μm3 (microns cubed) and is growing at a rate of 5 μ...
*November 3, 2015*

**Geometry **

Plane R contains points ,M,and Y. Plane Z intersects with plane R at SM, AY intersects plane R at point Y. . Point A is not in plane Z or plane R. MY forms a right angle with MS. A. What is measure of < SMY? B. Name three points that are noncollinear. C. Can you name three ...
*October 20, 2015*

**Maths**

Tiffany makes $4000 a month plus some money by commission rates. She gets 4% of everything she sells. If Tiffany sold $40000 worth of items this month, what is her salary for the month?
*September 22, 2015*

**math**

Jay has 6,200 beads. He is making bracelets with 9 beads each. How many bracelets can he make? How many beads will be left. I know the answer to the first question, but i don't know the second.
*March 5, 2015*

**calculus 1**

Thank you that was the exact question. I wish it was more specific
*January 27, 2015*

**calculus 1**

A rock is dropped off the edge of the cliff and its distance S ( in feet ) from the top of the cliff after T seconds is S ( T ) = 16t^2. Assume the distance from the top ofthe cliff to the water below is 96ft Make a table of the average velocity and approximate the velocity at...
*January 27, 2015*

**calculus 1**

A rock is dropped off the edge of a cliff its distance S (in feet) from the top of the cliff after T seconds is S(T) = 16t^2. Assumme the distance from the top of the water below is 96ft. When will the rock strike the water? T=16t^2 -96 96=16t^2 80=t^2 4 and squareroot of 5= t...
*January 27, 2015*

**Chemistry**

For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. 2AgNO3 + Cu -> 2Ag + Cu(NO3)2 Reduced:Cu->Cu+ +1e- Oxidized: Ag+ + 1e- -> Ag ????????????????????
*January 8, 2015*

**Math**

The temperature decreased 19°F between 10 p.m. and 4 a.m. The temperature at 4 a.m. was 65°F. What was the temperature at 10 p.m.
*January 6, 2015*

**Science**

Thank you!!
*September 22, 2014*

**Science**

Explain the role of a hypothesis in a scientific investigation.
*September 22, 2014*

**Science**

Thank you!! :)
*September 22, 2014*

**Science**

In terms of energy, what is the difference between glucose and ATP?
*September 22, 2014*

**Science**

Thank you so much! :)
*September 22, 2014*

**Science**

Explain how sunlight is the primary source of energy for your own life? Please help!
*September 22, 2014*

**Science**

The desert tortoise digs a burrow and hides in it during the day to stay cool, because of the extreme heat above ground. Which characteristic of life does this behavior best illustrate? A- response B- metabolism C- cellular organization D- growth and development (my guess is A...
*September 19, 2014*

**Biology**

How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!
*September 18, 2014*

**math**

6/16 of children have freckles. of those 1/12 have red hair. how many have red hair and freckles?
*April 3, 2014*

**Chemistry**

Solutions of NiSO4(aq), Al2 (SO4)3 (aq), CoSO4 , and SnSO4 (aq) are in bottles labelled A, B, C, and D. a) Design an experiment to identify which ionicsulfate solution is in which bottle. Give a list of equipment and chemicals required. Describe a step-by-step procedure for ...
*February 18, 2014*

**physical science**

A horizontal force of 100 N is required to push a box across the floor at a constant velocity. a) Show that the net force acting on the box is zero. b) Show that the friction force that acts on the box is 100 N.
*February 9, 2014*

**physical science**

Consider a 100-kg box of tools in location: A: on Earth B: on the Moon C: on Jupiter. Rank from greatest to the least the a) masses of the 100 kg box of tools and b) the weights of the 100-kg box of tools.
*February 9, 2014*

**physical science**

If you know that a 1-kg object weighs 10N, confirm that the acceleration of a 1-kg stone in free fall is 10 m/s2.
*February 9, 2014*

**math**

you estimate that the trip to pick up your friends, go to the restaurant and movies, and return home will be about 75 miles. your parents car gets 22.5 miles to the gallon around town. how many gallons of gas will you need to buy?
*December 2, 2013*

**Algebra 2**

solve this equation x+2y+2z=6, -2x+4y+6z=-3, x+3y+z=6
*November 24, 2013*

**math**

What fraction is greater using approximation 13/30 or25/41
*November 19, 2013*

**math**

What fraction is greater using approximation 13/30 or25/41
*November 19, 2013*

**Math**

The perimeter of a triangle Abc is 28 inches . Side Ab is 6 inches long and side BC is 8 inches long. find the length of side AC. Thank you.
*November 14, 2013*

**math**

1-sin^2x/cosx = sin^2x/2sinx Please help me figure out this one, can you show all the steps, I am really confused. Your help is very much appreciated. Thanks
*November 5, 2013*

**common sense question, i just dont know how to ans**

thank you Ms.Sue:)
*October 27, 2013*

**common sense question, i just dont know how to ans**

yes i know the answer too , but i don't know how to word it, lol thats why i posted it:)
*October 27, 2013*

**common sense question, i just dont know how to ans**

Why must the test tubes be thoroughly cleaned and dried when one part of the procedure is completed before starting the next part of the procedure ? Please help me with this, thankyou so much!
*October 27, 2013*

**Chemistry grd 12**

for the below questions the food samples were onion juice, cornflakes, egg, milk, salad dressing and instant oatmeal. 1) Why are you required to wear safety eye wear and protective clothing while conducting an investigation of testing food samples for proteins,starch,sugar and...
*October 27, 2013*

**Grade 12 University Chemistry**

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
*September 28, 2013*

**English on different cultures**

Why do many people across the world watch korean dramas instead of their own culture dramas?
*September 28, 2013*

**grd 12 U chemistry**

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
*September 28, 2013*

**5th grade math**

I dont get it! /is 20 times 5/6 greater than or less than 20
*April 15, 2013*

**physics**

An MRT tunnel is 418m long. Calculate the time it will take the 108-m long train , travelling at 72km/h to pass completely through the tunnel, leaving your answer in seconds
*March 31, 2013*

**Math**

If one hundredth is divided into ten equal parts, each part represents one what? 1- decimal, 2- decimal point, 3- fraction, or 4- thousandth.
*February 14, 2013*

**Math**

the product (2x^4y)(3x^5y^8) is equivalent to? a.5x^9y^9 b.6x^9y^8 c.6x^9y^9 d.5x^20y^8 e.6x^20y^8
*January 18, 2013*

**Chemistry**

uhhh okay i think i got its thanks
*December 14, 2012*

**Chemistry**

My assignment sheet said to plot a KE distribution diagram where 10% of the molecules meet or exceed the Ea. I know the Ea and enthalpy change. But nothing else so does this mean the diagram is just a estimation of what it would look like.Or am i doing something wrong... Plz ...
*December 14, 2012*

**math - linear programming**

A woman wishes to invest $12,000 in three of bonds: municipal bonds paying 7% interest per year, bank investment certificates paying 8%, and high-risk bonds paying 12%. For tax reasons she wants the amount invested in municipal bonds to be at least three times the amount ...
*December 1, 2012*

**physics**

ok so how do i find each girls velocity after the collision because i know how to find the kinetic engery
*October 7, 2012*

**5th Grade math**

To: bobpursley - how do you teach a 5th grader how to figure out the answer?
*August 31, 2012*

**Math**

To: bobpursley - How do you teach a fifth grader how to figure out the answer?
*August 31, 2012*

**Math**

You can only use the digits 0-9. I need an odd number that is a multiple of five with no repeated digits. Half the digits are odd and the other half is even. The largest digit in the number is in the tens place (but it is not the largest digit). The digit in the hundreds place...
*August 31, 2012*

**Information Systems in Organizations**

These answer are correct: BCCDB
*May 17, 2012*

**math**

that's brilliant!Thx!
*March 7, 2012*

**math**

find the points on the given curve at which the curvature is a maximum? a)y=e^-x b)y=lnX
*March 7, 2012*

**math**

state the following property: 5 (3+20) = 15 + 100
*October 9, 2011*

**Finance**

You can deposit 10,000 into an account paying 9% annual interest either today or exactly 10 years from today. How much better off will you be at the end of 40 years if you decide to make the initial deposit today rather than 1o years from today?
*September 16, 2011*

**algebra 2**

log 5 ã5 log7 (1/49)
*July 15, 2011*

**algebra 2**

Find the inverse of the function. f(x) = e^-x + 5 f(x) = 10^x + 2
*July 14, 2011*

**algebra 2**

Solve the equation. If necessary, round to thousandths. 3^(2x + 1) = 27
*July 13, 2011*

**algebra 2**

Solve the equation. Give an exact solution. ln(3x - 2) = ln 2 - ln(x - 1)
*July 13, 2011*

**algebra 2**

In the formula A(t) = A0ekt, A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. An artifact is discovered at a certain site. If it has 72% of the carbon-14 it ...
*July 13, 2011*

**Math probabilty**

An amusement park, Dino World, considering adding some new attractions, conducted a study over several typical days and found that, of 10,000 families entering the park, 1020 brought just one child (defined as younger than age 12), 3370 brought two children, 3510 brought three...
*July 10, 2011*

**algebra 2**

what is the rule for the geometric sequence: 5000, 500, 50, 5?
*April 30, 2011*

**Math**

paint color is made using 4 drops of red and 5 drops of blue for each 5 gallons of paint. How many gallons of paint are being colored when 45 drops of color are used??
*April 22, 2011*

**Math**

The surface area of a cube is 384 square inches. What is the volume of the cube???? A. 8 cubic inces B. 16 cubic inches C. 256 cubic inches D. 512 cubic inches
*April 22, 2011*

**math/algebra**

If n=4 what does 3x+5=
*February 24, 2011*

**math/algebra**

8*2 divided by 4=
*February 24, 2011*

**math/algebra**

9(3+4)=
*February 24, 2011*

**math/algebra**

9(3)+4=
*February 24, 2011*

**math/algebra**

5-(2+3)=
*February 24, 2011*

**math/algebra**

5-2+3=
*February 24, 2011*

**algerbra/math**

Leo has 1/5 of the amount Don has. Write an algebraic expression that shows how many games Leo has
*February 23, 2011*

**algerbra/math**

Don's little sister Nadia has half the amount of games Don has. Write an algebraic expression that shows how many games Nadia has.
*February 23, 2011*

**algerbra/math**

Don has three times as many games as Carlos. Write an algebraic expression that shows how many games Don has
*February 23, 2011*

**algerbra/math**

Jolene has twice as many games as Juan. Write an algebraic expression that shows how many games Jolene has.
*February 23, 2011*

**algerbra/math**

His brother Carlos has 10 more games than Juan has. Write an algebraic expression the shows how many more games Carlos has than Juan
*February 23, 2011*

**AP Chem**

What mass of K2CO3 is required to clean up a spill of 282 ml of 1.05 M HCl if HCl(aq) reacts with K2CO3 according to 2HCl(aq) + K2CO3(aq) → 2KCl(aq) + CO2(g) + H2O(l)?
*February 9, 2011*

**Chemistry 101**

How many milliliters of a 0.14 M NaOH solution contain 0.158 mol of NaOH?
*February 3, 2011*

**statistics**

If you buy one ticket in the Provincial Lottery, then the probability you will win a prize is 0.11 what is the probability that you would first win when you purchase the second ticket?
*January 6, 2011*

**college**

I just selcted 4.00g but it was wrong the correct answerr is 6.25g but i do not know how they got that answer.
*December 16, 2010*

**college**

4.00g
*December 16, 2010*

**physics **

Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string.M1 is on the surface and mass 2 is hanging on the surface. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.40. Calculate the speed of ...
*December 4, 2010*

**physics **

Two blocks with mass m1 = 4.2 kg and m2 = 4.7 kg are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 27.5°. The kinetic coefficient of friction between m1 and the incline is 0.28. What is the minimum value of the...
*December 4, 2010*

**physics **

One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to drag them both across ...
*December 4, 2010*

**math**

In the diagram show, every point in the plane with integer coordinates is labeled with a positive integer by a “rectangular spiral” process that begins at the origin and works its way out. What are the coordinates of the point labeled 1009?
*November 14, 2010*

**English**

ship is to trip as shout is to ?__________
*April 5, 2010*

**Math distance rate 8th grade test tmr!**

Two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?
*March 24, 2010*

**distance problems**

time? hour? i dont get it... help?
*March 24, 2010*

**distance problems**

two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?
*March 24, 2010*

**Math**

explain please
*March 17, 2010*

**science**

The changing or giving way of one plant group to another is called?
*December 29, 2009*

**3th grade**

name the number in two ways.
*September 23, 2009*

**math**

the break in by....? origin of man by..?? making soap by...??
*March 30, 2009*

**english**

just an FYI...a lot of those answers are INCORRECT!!! just an fyi. if you need help trying to find out how to tell the difference to get the CORRECT answer, use wiki . answers . com it gives you an explanation instead of cheating....!@#$%^&ing hypocrites!
*April 28, 2008*

**Math**

How do you combine 6 1's so that their sum is 123?
*October 23, 2007*

**unit rates**

416 MI IN 8H
*December 19, 2006*

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