Questions Asked on
February 28, 2016

Chemistry
If milk is refrigerated in containers of glass, plastic and cardboard, in which container to you believe the milk will have the most increase in lactic acid?
asked by Jennifer 
english
The sentences that are correct with an appro sp hie are 3,4.5.7. and 8 Are these correct? 1.Canada’s mens’ hockey team wins gold medals almost every year. 2. Lets forget that we tried to build a racing car because it’s been an awful experience for us
asked by jennifer 
Accounting
On April 1, 2013, Ringo Company borrowed $20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. I need to find the interest paid on the maturity date, prepare a journal for it, and then make a reversing
asked by Larry 
Grammar
So now m posting the answers along witg the questions... Plz correct me if m wrong ! ^^ Tranformation of Sentences ? 1.He wont show me his papers,he wont tell me who he is (use neither nor) Ans.He neither would show me his papers nor he would tell me who
asked by Ri 
Very quick question biology
I'm working on a biology project where I must make a molecule of glucose. I have finished my molecule but I want something in the middle of it which is the "centrepiece ". Can anyone give me any ideas of some things glucose is found in (food) in which I
asked by Nicki 
Computer
Given that s= n/2{ 2a + (n1) d} is the formula for the sum of an AP, what is a flow chart and a BASIC program?
asked by Habu 
Science
What is g efeective?elustrate an example.
asked by Anand shubham 
physics
help me please. *TRUE or FALSE* 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic field
asked by Charlene 
Chemistry
Why a benzene ring sometimes gives I effect? Why is No2 is more electron withdrawing then CN?
asked by Anand rajput 
Accounting
On April 1, 2013, Ringo Company borrowed $20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. I need to know the amount of interest on the maturity date, the names of accounts the amount goes under, then I
asked by Larry 
FINANCE
You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 35year mortgage loan for 75 percent of the $3,250,000 purchase price. The monthly payment on this loan will be $15,800. Requirement 1: What is the APR on this loan?
asked by KATE 
Physics
How do you determine the correct value of angular velocity to use when calculating centripetal force?
asked by Matt 
maths
if the area of a circle is 16 Pi R Square units square what is its radius
asked by Yesha 
maths
is there a way of a circle is 16 Pi R squared unit square what it is radius
asked by Yesha 
Algerbra
Find three cosecutive odd intrgers such that when twice the smallest is added to five times the largest the result is 253
asked by Lisa 
Math.
Find the percent of discount on a pair of jeans if the original price was $30 and it is now selling for $22.50. Round your answer to the nearest tenth of a percent. I would like an explination to this please!
asked by Anni 
chemistry
1.what are the functions of pH?
asked by sarah 
math
Calculate the lenght of the return journey from point c to point a when an aircraft flies from its base a 200km on a bearing of 162 degrees to point b,then flies 350km on a bearing of 160 degrees to point c,and then return directly to base a
asked by lisah 
Life orientation
What 6 practical actions i can take to address human right violations of xenophobia?
asked by Londiwe 
CHAMESATRE
HOW TO GET NH3 FROM H2 +N2
asked by ANAS 
physics
A charge of 4.00 nC is located at (0,1.00)m. what is the xcomponent of the electric field at(4.00,2.00)m?
asked by adelina 
english
everyone sang
asked by Rohit kumar 
life orientation
Name four aspects that you will consider when choosing subject in grade 10
asked by NOMFANELO Mbatha 
Math
If someone paid $59.00 on their taxable income with a state income tax rate of 6%, determine the amount of their taxable income.
asked by dog 
life orientation
Discuss any three long term effect of abuse on a victim
asked by NOMFANELO Mbatha 
LIFE ORIENTATION
NAME 4 NONDESIDNATED SUBJECTS
asked by STOAN 
Life orientation
What are practical actions that you can take to adress human rights violation of xenophobia in your community?
asked by Nomfundo 
physics
An object is heated and then allowed to cool when the temperature is 70 deg. its rate of cooling is 3 deg, celcius perminute and when the temperature is 60 deg. celcius, the rate of cooling is 2.5 deg. celcius per minute. Determine the temperature of the
asked by s.k.m 
math
show whether the statement is true: for all whole numbers n, (1)^2n =1 and (1)^2n+1 = 1
asked by kaelyn 
math
suppose a>0 and n is a positive interger. is (1/a)^n = 1/a^n ? explain your answer
asked by sam 
life orientation
Write a report.evaluate one organization that you think is making a useful contribution to our country in terms of addressing human right violations.give at least 3 pratical example.
asked by lungani ntuli 
life orientation
propose 6 practical actions that you can take to address human rights violations of xenophobia in your community
asked by Anonymous 
Math
6,x,y,16 is a sequence of numbers.6,x.y form an arithmetic sequence.x,y,16 form a geometric sequence. Detrmine the values of x and y
asked by Refiloe 
math
Ling lives 2 miles from school. It took him 15 minutes to bike from school to home. The first half of the distance he biked at a speed of 12 mph. What was his speed for the remaining distance? What was his average speed? His speed for remaining distance
asked by Mother Russia 
Maths
We have Rs.100/.If we spend Rs.100/and balance is Rs.102/,show how is Rs.2/extra Spent Balance Day 1 Rs 40 Rs 60 Day 2 Rs 30 Rs 30 Day 3 Rs 18 Rs 12 Day 4 Rs 12 Rs 00   Total Rs 100 Rs102......?
asked by Sam 
medical Terminology
A radiologist is able to evaluate the movement of body organs. What type of radiological procedure is being used? A. Ultrasound B. Film survey C. Magnetic resonance imaging D. Fluoroscopic examination a is my answer
asked by debbie 
medical Terminology
The most easily treated tumor is A. Grade I. B. Grade V. C. Grade III. D. Grade X. A is my answer
asked by debbie 
medical Terminology
Which abbreviation stands for a type of pneumonia? A. SARS B. PCP C. ARDS D. PFT b is my answer
asked by debbie 
Computer Science/Pseudo Code Python
Hi, I'm confused about an assignment. I'm not sure what to do and would like some help. An example: Write a program that obtains two integer numbers from the user. It will print out the sum of those numbers. Pseudo code: Prompt user to enter first integer
asked by Rain 
medical Terminology
A portion of a patient's right lung was resected due to lung cancer. Which of the following procedures was performed? A. Thoracostomy B. Tracheotomy End of exam C. Lobectomy D. Pleurectomy a is my answer
asked by debbie 
Life orientation
Identify three factors that influence self awareness and self esteem
asked by NOMFANELO Mbatha 
Life orientation
Propose 6 practical action that you can take to address human right violation of xenophobia in your community
asked by Andile mnomiya 
physics
Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS
asked by chris 
physics
Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS
asked by chris 
physics
Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS
asked by chris 
physics
A train begin to move with an acceleration of 2m/s0¡5. When a man 9m away from the core of the train, the man begins to run and catches in 3 seconds. What is the acceleration of the man?
asked by dillip 
physics
Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS
asked by chris 
Grade 11 Functions
From a point A on level ground, the angle of elevation to a water tower is 17°. From point B, 60 m nearer the tower, the angle of elevation to the top is 21°. Find the height of the tower to the nearest metre. [90m] What I've done:
asked by AlphaStrike 
sci
If a boy hears sound of a car after 2 sec find how far he's from the car if the speed of sound in air is 335m/s
asked by sb 
Life orientation
Propose 6 practical actions that you can take to address human rights violations of Xenophobia in your community.
asked by Andile mnomiya 
physics
Ball A mass 0.5kg rolls at 3m/s into ball B which is stationary and has mass of 0.9kg if the collision brings ball A to rest what is the velocity of ball B immediately after the collision
asked by favour 
Math
I need help please. the mean distance of earth from the sun is 92,960,000 which is 258% of the mean distance of mercury from the sun. What is mercury’s mean distance from the sun in ten millions of miles?
asked by Beth 
Mathematics
Parametric Equations x = 9s^2  1 y = 1  8s^3 find dy/dx in terms of s find the coordinates of stationary points
asked by Tony 
Maths
The 3rd term of an ap is 9 while the 11th term is 7,find the first five term of ap
asked by Daniella 
Physics
How much thermal energy is released when 500g of steam at 100° C condenses into water and cools to 50°C Givens: m=0.5 kg t = 50 c = 2.010 Qtotal = Q1 + Q2 Qtotal = QmcΔt + mLv Qtotal = (0.5kg)(2.010)(50) + (0.5)(2.3*10^6) Qtotal = 1.15 * 10^6 The book
asked by AlphaStrike 
history SUE HELP MEEEE
In The Wealth of Nations, Adam Smith mentions that very good grapes could be grown in Scotland. However, growing high quality grapes in Scotland would be about 30 times as expensive as purchasing grapes from foreign countries. Some nations are better than
asked by SUUUE and REED HELP ME 
history SUE HELP MEEEE
For many years, the only currency that oilproducing countries would accept for their oil was the United States dollar. What would happen to the value of the dollar if the demand for oil were to increase? Nothing, since the demand for oil cannot increase.
asked by SUUUE and REED HELP ME 
Algebra
The difference of two numbers is 10. Twice the larger number minus the smaller number is 14. What are the numbers?
asked by Linda 
math
if 1 quart of a concentrate makes 15 gallons, how much of the concentrate will be needed to make one quart of the mixture
asked by Kenny 
chemistry
The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn. For the following reaction equations, calculate the energy change of the reaction at 25 °C and 1.00 bar. Sn(s) + 2Cl2(g) > SnCl4(l) ΔH°rxn = 511.3 kJ/mol
asked by jake 
geometry
Two overlapping identical circles have radii of 6.17. The area of their overlapping sections is 42.7. How far apart are the centers of the circles? Answer is 6.55
asked by jojo 
history
Would it be possible to have a socialist direct democracy? No, in a socialist society only a few highranking members of the communist party have political power. No, a direct democracy requires a free market economy which is not socialist. Yes, if
asked by Marshall 
physics
A car is travelling 20m/s along a straight road. The driver sees a 36km/h speed limit sign 100m ahead. What constant retardation is required to reduce the speed to 36km/h in this distance. Find also the time taken by the car to reach the speed limit
asked by dillip 
Physics
A discus thrower accelerates a discus from rest to a speed of 25m/s by whirling it at 1.25 rev. The discus moves in circle of radius 1m. Find a. The final angular speed, b. The constant angular acceleration, c. The time interval from rest to the speed
asked by Edge 
Physics
Four masses (2kg 3kg 1kg and 2kg) are arranged on a square of side 1.2 m. What is the moment of inertia if the axis of rotation is at the center of the square? What is the moment of inertia if you make the axis of rotation through mass 2kg (this mass
asked by Sam 
Math
I need help please. the mean distance of earth from the sun is 92,960,000 which is 258% of the mean distance of mercury from the sun. What is mercury’s mean distance from the sun in ten millions of miles?
asked by Beth 
Math
Please help me how to set this up. As a realestate agent, Walter Jordn earns 3 3/4% commission on the houses he sells. In the last quarter of this year, he sold two houses, one for $225,000 and the other for $199,000. How much was his commissions for this
asked by Amy 
business math
out of 7 men and 5 women, 5 members of a committee are selected. in how many ways can this be done if (a) there must be exactly 3 men (b) there must be more women than men?
asked by Benjamin 
Math
Parametric Equations x = 9s^2  1 y = 1  8s^3 find dy/dx in terms of s find the coordinates of stationary points
asked by Tony 
Life orientation
Identify three courses or study fields you are interestedi in following after grade 12 and write them down in order of preference
asked by Adolphina 
BIOLOGY  HELP URGENT!!!!
How do the following terms relate to one another with respect to a single genetic locus?  Wild Type Allele(s)  Mutant Allele(s)  Gene Product(s)  Population  Genotype  Phenotype  Dominant Allele  Recessive Allele  Individual  Number of different
asked by Craig 
Finance
An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a child at the child's birth. The details of the policy are as follows: The purchaser (say, the parent) makes the following six
asked by Anonymous 
Finance
You are serving on a jury. A plaintiff is suing the city for injuries sustained after a freak street sweeper accident. In the trial, doctors testified that it will be five years before the plaintiff is able to return to work. The jury has already decided
asked by Anonymous 
Physics
An electron (m = 9 x 1031 kg) leaves the cathode of a radio tube with zero initial velocity and travels in a straight line to the anode, which is 1 cm away. It reaches the anode with a velocity of 6 x 106 m s1. If the force on the electron was constant,
asked by Fleur 
Calculus
Stock Speculation: In a classic paper on the theory of conﬂict, L.F. Richardson claimed that the proportion p of a population advocating war or other aggressive action at a time t satisﬁes p(t) = (Ce^kt) / (1 + Ce^kt where k and C are positive
asked by Wade Wilson 
Calculus
Stock Speculation: In a classic paper on the theory of conﬂict, L.F. Richardson claimed that the proportion p of a population advocating war or other aggressive action at a time t satisﬁes p(t) = (Ce^kt) / (1 + Ce^kt) where k and C are positive
asked by Wade Wilson 
science
a man has a mass of 80,0 kg is standing on the surface of the earth. a )calculate the magnitude of the attractive force (gravity) that the earth exerts on the man.(784n) b)how does your answer in a) compare to the magnitude of the force that the man exerts
asked by mamare 
Math
Just to make sure I'm correct for this problem .04 is 1/8% of what number I would put .04 over x and I could use 12.5% over 100 since 1/8%=12.5 and I would get 3.125
asked by Lizzy 
English
1. When did William Shakespeare live? in the late 1400s and early 1500s in the late 1500s and early 1600s*** in the late 1600s and early 1700s I think this is the answer, but I've also seen others put down C... I'm not sure. Please help? Thanks
asked by SkatingDJ 
Science
A coconut of mass 2kg is on a tree of 5m tall; determine the potential energy of this height Take g=10ms^2.
asked by Elvis 
math
A lorry driver buys 18 gallons of petrol. He receives one free glass for every 5 gallons. How many glasses does he receive?
asked by diamond 
Math
Is this correct? .04 is 1/8% of what number? 32
asked by Kim 
math
In 10 years' time,Mrs smith will be 57 years old .how old was she five years ago?
asked by elescia 
Math
Is this correct? What is 383 1/3% of 6/10. The answer is came to is 2 3/10 or 2.3
asked by Kim 
math
1 balloon cost $0.13 and the are 15 balloons in each bouquet. there are 12 bouquets in all,how much money do i need?
asked by yang 
History
Which factor contributed to growing conflict over slavery from the 1820s through the 1850s? falling crop prices rapid industrialization rising tariff rates territorial expansion** If someone could please help me out a little. I'm pretty confused and this
asked by Maria 
Science /bio
Any foods or fruits highest in glucose?
asked by Justin 
Math 12
How do you solve 6[cot(2pi/3)cot(pi/3)]?
asked by Isabella 
futher maths
root3root2/2
asked by yakubu 
chemistry
what would be observed when combining an aqueous mixture of: potassium carbonate and hydrochloric acid, zinc chloride and silver nitrate, magnesium chloride and sodium hydroxide, ammonium nitrate and sodium hydroxide?
asked by sarah 
math
The second term of an arithmetic progression is 50 and the 5th term is 65.calculate the value of the 40th term
asked by Trevor 
Math
Can you check these? .04 is 1/8% of what number? 32 What percent of 1/8 is 3 1/2? 2800%
asked by Kim 
Geometry/Algebra
The segments formed by the altitude to the hypotenuse of a right triangle are 8 and 10. Find the shorter leg of that triangle. Help please! I am confused on which formula to use or if I should use the Pythagorean Theorem.
asked by Misaki 
L.O
propose six practical actions that you can take to address human rights violations of xenophobia in your community
asked by thato 
world history help pls pls
The image is a painting of Tarik, an instrumental figure in introducing Islam to Spain. Use the image to answer the following question: The image shows Tarik mounted on a horse, holding a shield and pointing his sword forward. He is surrounded by other
asked by Oscar 
Nsis economics
All the Factors of abnormal supply curve
asked by Sadeeq 
help pls world history pls pls
Which of the following is not associated with one of the pillars of Islam? charity faithfulness sacrifice selfglorification
asked by Oscar 
math
if cosØ=0.6 and 0°
asked by isaiah 
Information technology
. Develop an algorithm pseudocode or flowchart that will accept the names of each sales staff members and their total sales for the month. The algorithm must calculate the commission at 5 % of their total sales amount. It should display only the name,
asked by GIANO 
Studio Art
What Values does Alfred Jacob Miller promote in his painting "Don't Give up that ship?" A. fear and discouragement B. anger and persistence C. heroic bravery and perseverance D. peace and contemplation (I think B)
asked by Anonmoyus 
Geography
When did Christianity split the first time and what were the divisions called
asked by Anonymous 
math
if Ø is an angle in the first quadrant and cosØ= 1/2, find the exact value of cos2Ø
asked by isaiah 
urgent!
What is the approximate size of an amino acid's backbone?
asked by Helo 
physics
An automotive suspension system consists of a combination of strings and shock absorbers, if you were an automotive engineer, would you design a suspension system that was underdamped, critically damped, or overdamped? Discuss each case.
asked by Baseeruh 
Phyiscs
Two point sources emit sound waves of 1.0m wavelength. The sources, 2.0 m apart, as shown below, emit waves which are in phase with each other at the instant of emission. Where, along the line between the sources, are the waves out of phase with each
asked by Rez 
Math
If a baseball player has a batting average of 0.420, what is the probability that the player will get at least 2 hits in the next four times at bat?
asked by Greg 
math
on first down a football team lost 16 yds. after 2 downs the team had an overall gain of 5 yds how many yards were gained on second down
asked by Anonymous 
Human Resources
classical conditioning process is one of the forms of associative learning.pavlot used an illustration with an animal(dog)to demonstrate the behaviour modification.Develop your own analogy to illustrate the same,but not using an animal but using an
asked by NDEAPO 
Chemistry
What is the strongest intermolecular force present in each molecule: H2S CF4 NH3 CS2 PCL3 N CH2O C2H6 CH3OH BH3 My work: Hydrogen bonding London dispersion Dipole dipole London dispersion Dipole dipole London dispersion Hydrogen bonding Hydrogen bonding
asked by Rose 
Human Resources
write a case of multiple approachavoidance conflict and how to react to it.include all variance of multiple approachavoidance conflict.
asked by NDEAPO 
Marketing
discuss the criteria for evaluating a potential supplier to deliver a goods or services in an organization?
asked by NDEAPO 
math
sorry but i don't understand this one either solve 4sin^2x+4√2 cosx6 for all real values of x
asked by isaiah 
math
Use synthetic division to evaluate the polynomial function for the given value of x. f(x)= 2x^5x^3+7x+1, x = 3
asked by ava 
Marketing
explain what are the problems associated with the performance evaluation of the purchasing and supply function in organization.
asked by NDEAPO 
Chemistry
In a volumetric analysis experiment, a solution of sodium oxalate in acidic soltuion is titrated with a solution of potassium permanganate according to the following balanced chemical equation: 2KMnO4+8H2SO4+5Na2C2O4 > 2MnSO4+8H2O+10CO2+5Na2SO4+K2SO4 What
asked by Kaley 
Science Help
jamal's neighbor tells him that there are more bacterial cells than human cells in his body. which of these is the best reason that jamal should question his neighbors statement? a. jamal is older than his neighbor b. jamal does not like his neighbor very
asked by John Doswell 
Marketing
The purchasing function has an influence on other business functions.Elaborate on such influence with examples.
asked by NDEAPO 
Math
I will like help with a question on my homework.the question said in a trapezium one angle measure 85 and the other measures 95 what is the size of angle b and angle a.thank you.
asked by Kim 
communications
Could you help me rephrase this sentence please to one short one..
asked by Edgar 
History
what are some conflicts that political party's have??
asked by Anonymous 
maths
four darts are thrown at a dart board .if all four darts hit the board,how many different point total are possible bullseye 9 second circle 7 third circle 4 outer circle 1
asked by nicole 
Chemistry
When 50 grams of hydrocarbon X are burned with oxygen the products are carbon dioxide and water. If 65 grams of water and 100 grams of carbon dioxide are produced, how many grams of oxygen were needed for the reaction? This was a question on my chemistry
asked by Ryan 
problem solving
Casandra had a pair of mice ,the female gave birth to 8 pups ,four males and four females. in the next term ,5 females each gave birth to 8 pups ,again 4 males 4 females.in the next term,each female does the same and no mice die .how many mice,male and
asked by nicole 
SCIENCE
jamal's neighbor tells him that there are more bacterial cells than human cells in his body. which of these is the best reason that jamal should question his neighbors statement? a. jamal is older than his neighbor b. jamal does not like his neighbor very
asked by John Doswell 
communications
Baby crib bumpers have been used throughout generations, because parents like how cribs look, but many argue that they are dangerous for newborn babies to have on their cribs; however, there are other options to parents that feel that a baby crib needs a
asked by Edgar 
biology
the amount of energy needed to start two reactants to form a product is?
asked by lisa 
Chemisty
You have 775 mL of an 0.11 M acetic acid solution. What volume (V) of 1.10 M NaOH solution must you add in order to prepare an acetate buffer of pH = 5.05? (The pKa of acetic acid is 4.76.) I don't know what to do!!! HELP!!!!
asked by Jessica 
Chemistry
What volume (in milliliters) of 0.100 M NaOH should be added to a 0.120 L solution of 0.024 M glycine hydrochloride (pKa1 = 2.350, pKa2 = 9.778) to adjust the pH to 2.95? I don't know how to do this problem! Steps with answers please!! HELP!!
asked by Bobby 
math
solve 2cos^2x5cosx+2=0 for principal values of x I don't understand this question...what are principal values?
asked by isaiah 
Chemistry
A 70.0 mL solution of 0.171 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.171 M HCl. The pKa values for the amino acid alanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to the carboxylic acid and amino groups, respectively. a) Calculate
asked by Bobby 
English
Can somebody help me? I have to write a paper about the causes of the fall of ancient Rome + bibliography. I have no idea how to start. What do I need to do first? I really need help. Please..
asked by Suhna 
Marshall Middle
Of 450 lunches old at school on Thursday, 40% were hamburgers and the rest were pizza. How many more pizza lunches were sold than hamburgers?
asked by Dave 
physics
i love you
asked by Anonymous 
Math
4018 PTS Billymkhoi HIGH SCHOOL MATHEMATICS 10+5 pts At the instant that a cake is removed from the oven, the temperature of the cake is 350°F. After 10 minutes, the cake's temperature is 200°F. If the temperature of the room is 70°F, how much longer
asked by Anonymous 
Accounting
The income tax rate is 30% on current and is payable in the first quarter of 2014. The pretax income before the preceding adjusting entries is $6,800. The accounts are; Income tax expense Income tax payable. I do not understand this question and what it is
asked by Larry 
Language
How do I learn English good?
asked by Pablito 
Statistics
A random variable x has the following probability distribution: x f(x) 0 0.08 1 0.17 2 0.45 3 0.25 4 0.05
asked by Donzella 
science
Which of the following are psychological characteristics that Beatrice Whiting and John Whiting found to crosscut cultural boundaries
asked by May 
Algebra
A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. 440 feet of fencing is used. Find the dimensions of the playground that maximize the total enclosed area. Remember to reduce any
asked by Katie 
physics
You throw a 0.15 kg ball straight upward from ground level with an initial speed of 15 m/s. (Yes, from ground level. This is to make the calculations easier. If it bothers you, imagine you are standing in a dugout.) Your friend throws a 0.09 kg lump of
asked by Shelby 
math
It takes a hose 3 minutes to fill a rectangular aquarium 10 inches long, 11 inches wide, and 13 inches tall. How long will it take the same hose to fill an aquarium measuring 22 inches by 25 inches by 26 inches?
asked by vilma 
PreCalculus
An investor has $100,000 to invest in three types of bonds: shortterm, intermediateterm, and longterm.How much should she invest in each type to satisfy the given conditions? Shortterm bonds pay 4% annually, intermediateterm bonds pay 5%, and
asked by Frank 
World History
How did scientific advancements in Europe contribute to the start of the Industrial Revolution?
asked by Boberto 
math
if tony took 24 hours to finish his homework and sally took 30 hours. if they work together how many hours they would take?
asked by sumit 
science
An incident Ray makes 60 degrees angle with the surface of the plane mirror, what is the angle of refraction. Options are...a 60 b 90 c 30 d 0....this is a question in a guide is it correct
asked by Melvin 
Geometry
If theta is an acute angle of a right triangle and cos theta equals 3/8, what is the value of csc theta?
asked by Tyler 
math
solve 2sinx+√3
asked by isaiah 
Chemistry
Help! I have to get this done tonight and I cannot get this answer right. A solution of water (Kf=1.86 ∘C/m) and glucose freezes at − 3.55 ∘C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water
asked by Emmalee 
halp
3. What are the solutions of the system? y = x + 5 y = x^2  x + 2 A. (3,14) and (1,0) B. (3,8) and (1,4) C. (3,8) and (1,0) D. (3,2) and (1,6) 4. What are the solutions of the system? y = x^2  2x  8 y = x + 2 A. (5,7) and (2,0) B. (5,3) and (2,4)
asked by leo 
World History
Name the engineering marvel which connects the Atlantic Ocean with the Pacific Ocean. Panama Canal?
asked by Boberto 
math
sorry, but one more question... there are a couple questions that say something like write the equation 2x+3y5=0 in normal form... but isnt it already in normal form?
asked by isaiah 
Chemistry
I did a lab, an kinetics lab (iodide clock) and in my lab report I have to calculate the initial rate in mol L1 s1 and I'm not sure how to do that. I have the [I] and [S2O82] in mol L1 already. The reagents are [KI] [NaCl] [Na2S2O3] [Na2SO4] [K2S2O8].
asked by Dan 
Chemistry
What volume (in milliliters) of 0.170 M NaOH should be added to a 0.140 L solution of 0.021 M glycine hydrochloride (pKa1 = 2.350, pKa2 = 9.778) to adjust the pH to 2.84? I tried using the Henderson Hasselbalch equation but I am confused about what to do
asked by L 
geometry
A painter sets a ladder up to reach the bottom of a secondstory window 16 feet above the ground. The base of the ladder is 12 feet from the house. While the painter mixes the paint, a neighbor's dog bumps the ladder, which moves the base 2 feet farther
asked by katie 
physics
In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression x = 4.7 cos ( 4t + π/6 ) where x is in centimeters and t is in seconds. Find the period of the motion.
asked by juan 
chemistry
A solution containing 29.00 mg of an unknown protein per 22.0 mL solution was found to have an osmotic pressure of 3.10 torr at 18 ∘C. What is the molar mass of the protein? (3.10 torr* 22mL)=.682 I do not know what to do next
asked by mmp 
math
Alice Dubois was charged $455 in finance charges on a loan for 15 months. Find the finance charge refund if she pays off the loan in full after 10 payments.
asked by Michael 
Writing
Why am I struggling in Writing?
asked by Alie 
Music
What's the scale of the G?
asked by Sarah 
Chemistry
The reaction of CH4 in 2CH4(g) >/
asked by Student 
Maths
in d given figure rectangle abcd is a computer screen it measures 1024 pixels horizontally and 768 pixels vertically if a(0,0)then write the coordinates of b,c,d
asked by Anonymous