Saturday
February 13, 2016

Posts by leslie

Total # Posts: 652

Math
A rectangular container 30cm by 20cm by 15cm was completely filled with water. The water was poured into another container which measured 25cm by 20cm by 28cm. What was the height of the second container?
January 25, 2016

Calculus
At time t (in days), the size S of a population of butterflies is given by the formula s= 600/1+49(0.6)^t. When does the maximum growth rate occur?
December 3, 2015

Comm Tech
is not 4 people i just got 75 percent because i got one wrong and that wa this one the answer is B ) 2
December 1, 2015

Physics
Consider the 608 N weight held by two cables shown below. The left-hand cable had ten- sion T2 and makes an angle of 44◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of 42◦ with the ceiling. a) What is the tension in the cable labeled T1...
November 17, 2015

Program planning
Developmentally appropriate curriculum A. teaches children about development. B. provides easy activities. C. allows children to choose the structure for their own experiences. D. requires children to learn academic content.
November 4, 2015

math
Country A has a growth rate of 2.1% per year. The population is currently 5,747,000 and the land area of Country A is 36,000,000,000 square yards. Assuming this growth rate continues and is exponential, after how long will there be one person for every square yard of land.This...
July 5, 2015

MATH
Is it possible for the graph of a polynomial function to have no y-intercept? No x-intercept?
July 3, 2015

math
How is the range of a polynomial function related to the degree of the polynomial?
July 3, 2015

math
solve 4^(x+2)=2^x
July 2, 2015

math
If you get mixed nuts with cashews that cost \$6.25 lb. and if you get mixed nuts with peanuts @ \$2.30 lb. But if I just want 1/2 lb. of mixed nuts for \$1.70 how much of each would be included? How many lbs. of cashews and how many lbs of peanuts.
July 2, 2015

math
is it 0.139 of the cashews
July 2, 2015

math
How many lbs of cashew and how many of lbs.peanuts
July 2, 2015

math
If you get mixed nuts with cashews that cost \$6.25 lb. and if you get mixed nuts with peanuts @ \$2.30 lb. But if I just want 1/2 lb. of mixed nuts for \$1.70 how much of each would be included?
July 2, 2015

civics
Ms. Sue?
June 1, 2015

civics
are you sure Ms. Sue?
May 30, 2015

Math
The table shows the actual retail market share of passenger cards from Ford Motor Company as a percentage of the U.S. market. Year Market Share 1975 23.6% 1980 17.2% 1985 18.8% 1990 20.0% 1995 20.7% A mathematical model for this date is given by f(x) = 0.04x^2 - 0.8x + 22 ...
May 4, 2015

Math
Show that log base b [(x + (sqrt x^2-5))/5] is equal to -log base b (x-(sqrt x^2-5))
March 18, 2015

earth
When earth is seen from outer space,it looks mainly blue. This is because most of the earth is covered with.
March 14, 2015

pre calcuclus
find the first five terms of {2n/3 n+1} a1=-2 an+3an-1?
March 9, 2015

chemistry
If 1500 mg of rubbing alcohol is spilled in abox that measures 4m x 2m x 3m, what is the concentration of alcohol in mg. per cubic meter if it evaporates into gas?
January 29, 2015

history
Despite the fact that smaller states were worried about being controlled by larger states and larger states wanted representation based on population, the 13 states were able to develop and adopt a constitution. Describe how they did so.
December 8, 2014

Algebra
Find the values of a, b, and c such that the equation y=ax^2+bx+c has ordered pair solutions (-3,-22), (-1,2) and (3,2) a = 2; b = 8; d = 4 a = -2; b = 4; c = 8 a = 2; b = 4; c = 8 a = -2; b = 8; c = 4
November 23, 2014

Chemistry
What would be the problem with determining a IR spectrum on a liquid whose boiling point is 30 degrees celcius
October 19, 2014

Organic Chemistry
Aqueous sodium bicarbonate was used to wash the crude t-pently chloride. What was the purpose of the wash? give equations.
October 12, 2014

finding the interest
Cesar purchased a room air conditioner for \$450 and made a a down payment of \$90 and financed the rest over 20 months. If the monthly payment was \$22.80, what was the interest?
October 5, 2014

I need heelp
September 28, 2014

Math
An airplane took off and reached an altitude of 10,000ft in 20min. How many ft per min, on average, did the airplane climb?
September 17, 2014

Science!
its C i did it and got that one correct
September 16, 2014

Interest
Mariah purchased a room air conditioner for \$450 and made a a down payment of \$45 and financed the rest over 14 months. If the monthly payment was \$30.28, what was the interest?
September 14, 2014

Math - full question
Julia purchased a new sofa for \$1300 and made a 15% down payment and financed the rest over 12 months. The store charged 11% interest on the amount financed. Find the down payment \$ Find the amount financed: \$ Find the interest paid: \$ Find the monthly payment \$
September 10, 2014

What is P?
Adrianna want to set aside some money for a vacation in 3 years. How much does Adrianna need to set aside today in order to have \$8600 in 3 years if it is invested at 5% compounded annually. I am so confused!! Thanks for all your help!!
September 2, 2014

compounded annually
Adrianna want to set aside some money for a vacation in 3 years. How much does Adrianna need to set aside today in order to have \$8600 in 3 years if it is invested at 5% compounded annually. I am so confused!! Thanks for all your help!!
August 31, 2014

Math Compounded daily
\$1450 was invested by Karla at 12% for 1 years compounded daily. How much did Karla have at the end of the investment?
August 31, 2014

Interest Rate
Devin borrowed \$8500 for 7 years. If the interest was \$4165, the interest rate is
August 31, 2014

Ordinary Interest
A loan of \$2500 is taken on March 15 and repaid September 15th. The interest rate for the loan was 17.75%. Find the interest using ordinary time and ordinary interest
August 31, 2014

Ordinary Interest
Find the ordinary interest on a loan of \$1500 at 14% for 4 months.
August 27, 2014

What is the estimate for the product of 289 and7
August 25, 2014

percent markup
If the markup is \$6 on a pair of jeans which cost \$22, what is the percent markup based on selling price?
August 21, 2014

math
If an item that sells for \$81.00 has a 50.0% markup on cost, what is the cost?
August 18, 2014

Cost
If an item that sells for \$81.00 has a 50.0% markup on cost, what is the cost?
August 18, 2014

vocabulary-suffixes
July 29, 2014

HEALTH
What is an example of having a poor diet?
July 21, 2014

math 200 statistics
ADHD a researcher studying ADHD among teenagers obtains a simple random sample of 100 teenagers aged 13 to 17 and asks them whether or not they have ever been prescribed medication for ADHD. To say that the distribution of sample proportion (P cap), the sample proportion of ...
July 11, 2014

chemistry
Please Help!what will happen if 50mL of 0.022M Na2S2O3, 50mL of 0.010M AgNO3 and 50mL of 0.097m KCl are mixed together? for AgCl, ksp=1.8x10^-10, for Ag(S2O3)2^3-, Kf =2.9x10^13. !
April 23, 2014

Math
Y-2/24 = -5/4
February 20, 2014

physics
In a certain right triangle, the two sides that are perpendicular to each other are 3.80 m and 8.10 m long. What is the length of the third side of the triangle?
January 24, 2014

English
Need help revising this paragraph Some folks don’t mind lots of clutter scattered around the house. Others can’t stand that idea. Even doing dishes can be a point of contention. One roommate might see nothing wrong with placing dirty dishes in the sink and leaving ...
December 6, 2013

Physics
A billiard ball with mass 0.210 kg has a speed of 5.2 m/s and collides completely inelastically with another ball of the same size and mass. I understood the first part of the problem I just need help solving the second part. Another billiard ball traveling at 6.25 m/s ...
November 14, 2013

Math
Multiplying to make 50 it said ways to multiply with two factors:
October 15, 2013

Chemistry
You mix 200.0 mL of 0.350 M HCl with a 300.0 mL solution of 0.100 M Ba(OH)2. Calculate the concentration of each ion remaining in the solution after the reaction has reached completion.
September 25, 2013

physics
A 1.54 ×104 N boat experiences a force of 2 000 N from east by the ocean tide and a wind force against its sails with magnitude of 4000 N directed toward the northwest (60° N of W). Find the magnitude and the direction of the resultant acceleration
September 18, 2013

how were natural resources important in shaping the Midwest's industries?
August 21, 2013

Critical Thinking
What assumptionss should you be aware of to ensure that they did not interfere with crital analysis.
July 30, 2013

chem
yes we did.. so the answer is the same? i dont know how to work it out. Thanks
July 17, 2013

chem
yes we did.. so the answer is the same? i dont know how to work it out. Thanks
July 17, 2013

chem
no typeo dr bob... the question reads.. 0.788g/cc
July 17, 2013

Chem
Fingernail polish is mainly acetone (C3H6O) and has a density of 0.788gcc. A. HOW MANY GRAMS OF ACETONE ARE IN A O.5L BOTTLE B HOW MANY MOLECULES OF ACETONE ARE IN THAT SAME BOTTLE
July 17, 2013

math
a plumber has 12 1/2 feet of plastic pipe he uses 3 2/8 feet for the sink line and 5 3/4 feet for the washing machine . he needs approximately 3 1/2 feet for a disposal. does he have enough pipe left for a disposal?
July 10, 2013

math
(3/2)(1/3+ 1) (2+7/4)(7/4)(7/4) ---> / that stands for a fraction
July 10, 2013

math
thank you
July 10, 2013

math
I think 14
July 10, 2013

math
-56 + 14(5)
July 10, 2013

math
-56+14= -42
July 10, 2013

math
a group of hikers begin their expedition at the grand canyon at an elevation of 56 feet below sea level at 5:00 am .if they climb 14 vertical feet up each hour until 10:00 am ,what is their new elevation ?
July 10, 2013

math
the temperature in the desert can drop as much as 40'f from noon to midnight .At noon on july 31st the temperature in sahara desert is 3'f .If th temperature drps 39'f by midnight , what is the temperature at midnight ?
July 10, 2013

math
MS.powell has -\$25 in her checking account after withdrawing money from the atm .How much did Ms.Powell withdraw if she had \$85 in her checking account before she withdraw the money?
July 10, 2013

math
nemo is swimming 47 feet below sea level . he ascends 16 feet in the water . what is nemos current position ?
July 10, 2013

Statistics
A department store is running a promo one Saturday by giving out coupons for \$10 of free merchandise. However, one-third of customers spend \$40, and one-third spend\$75. The remainder of customers who come in the store do not take advantage of the promo at all. A) find expected...
June 30, 2013

Math
My 30 year mortgage loan is \$255,413 with a monthly payment of \$1,321.33 at 6%. There are only 8 years remaining. what is the payoff?
June 17, 2013

Calculus
A rancher wants to build a rectangular pen with an area of 150 m^2? a. Find an equation for the perimeter P in terms of W and L . b. Use the given area to write an equation that relates W and L . c. Find the pen dimensions that require the minimum amount of fencing. Width = ...
May 29, 2013

Calculus
A rancher wants to build a rectangular pen with an area of 150 m^2? a. Find an equation for the perimeter P in terms of W and L . b. Use the given area to write an equation that relates W and L . c. Find the pen dimensions that require the minimum amount of fencing. Width = ...
May 29, 2013

Chemistry
Let's say that you are asked to design an airbag for a car. You know that the bag should be filled with gas with a pressure higher than atmospheric pressure, say 828 mmHg at a temperature of 22.0 C . THe bag has a volume of 45.51. What quantity of sodium azide should be ...
May 28, 2013

Calculus
can you show me the steps for b. pls
April 26, 2013

Calculus
find an equation of the tanegent line to the curve 3xsquared + 5ysquared=8 at the point (1,1)
April 20, 2013

Chemistry
Write a net ionic equation to show that quinoline, C9H7N, behaves as a Bronsted-Lowry base in water.
April 17, 2013

Computer Science
A memory in 64bit architecture has size 1,024Mbytes (note that 1,024 = 2^10). 1)How many 64-bit words is its capacity? How much is this capacity in bits? How much is the same capacity in bytes? 2)How many cells does this memory have? If we want to be able to reference every ...
April 10, 2013

physics
A train accelarates uniformly in a straight line at 0.3m/s^2 from rest. Calculate the velocity 15 seconds after its departure. Calculate time taken to reach 30km/h and calculate Distance covered by the train
April 7, 2013

science
A train accelerates uniformly in a straight line at 0.3m/s from from rest. Calculate the velocity 15 seconds after its depature. Calculate the time taken to reach 30km/h and the distance covered by the train.
April 7, 2013

Has anyone ever read the book tiger rising?
March 27, 2013

social studies!!!
Thank u!
March 26, 2013

social studies!!!
Does anyone know ten DIFFERENT physical features of algeria( in africa) !! If anyone can give me them ur aa life saver"!
March 26, 2013

algebra
volume of cone varies jointly as square of its radius and its height if volume of a cone is 27pie cubic inches when radius is 3 inches and height is 9 inches find volume of a cone when radius is 4 inches and height is 3 inches
March 12, 2013

Math
Thank you!
March 6, 2013

Math
Typo. Students.
March 6, 2013

Math
There are 30 sultry dents in the class. 20% of the students received an A on the last math test. How many students received an A?
March 6, 2013

science
The driving pulley of a motorbike rotates at 3 r/s and has a diameter of 300mm. The pulley exerts an effective force of 2000N at a point on its periphery. Calculate the turning moment and the power in Kw .
March 6, 2013

physics
A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the distance travelled ...
March 6, 2013

physics
How do you convert 126km/h to m/s
March 6, 2013

physics
A vehicle with a mass of 2 tons travels on a horizontal road at a speed of 126km/h.The driver notices a donkey at the side of the road and decides to reduce speed. The brakes are applied and the vehicle slows down to 72km/h after 5 seconds. Calculate the acceleration of the ...
March 6, 2013

social studies!!!
What does question 7s answer mean???
March 4, 2013

social studies!!!
Hannah i tryed that before and it didnt work. Thank u damon!!!
March 4, 2013

social studies!!!
I left my textbook in my locker...again. sorry If u can find me a website to help me...great...if u can answer them...even better!! 1. Would shipping be easier to block in the gibralter or bosporus strait? Why? 2.what countries rely on the strait of hormuz to ship their oil? 3...
March 4, 2013

CHEMISTRY HELP!
Calculate [Cu2+] in a 0.10 M CuSO4 (aq) solution that is also 6.4 M in free NH3 . Cu2+(aq) + 4NH3(aq) --->[Cu(NH3)4]2+ (aq) kf = 1.1 x 10^13
March 2, 2013

english
Write a paragraph naming three possible agendas and one example of each that you might find in the media.
February 21, 2013

Math
Referring to the experiment of rolling two fair dice, let A be the event that the total is less than eight and let B be the event that the total is even. Draw a Venn diagram corresponding to this experiment and events A & B (using probabilities). 1
February 14, 2013

Math
Referring to the experiment of rolling two fair dice, let A be the event that the total is less than eight and let B be the event that the total is even. Draw a Venn diagram corresponding to this experiment and events A & B (using probabilities). 1
February 14, 2013

math
the distance between town A and town B was 210km. At 9:20pm a bus sets off from town A to town B and a car left from town B to town A. The average speed of the bus was 60km/h and the average speed of the car was 80km/h. a)Calculate the time at which the car passed the bus. b)...
February 13, 2013

science. neep help ASAP
Ik but she put lots of lines for the title so im guessing it has to be more than one word. I think she was refurring to like family or species or order or genus i really dont know
February 6, 2013

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