Questions Asked on
July 27, 2016

Physics
A body of volume hundred centimetre cube is immersed completely in water contained in a jar containing water. the weight of the jar and the water before immersion was 700 grams. After immersion weight of the jar and the water will be
asked by Vidhi 
maths
In a graduating class with the same number of boys and girls, 1/8 of the girls and 5/6 of the boys are honor students. What part of the class consists of boys who are not honor students
asked by athaulla 
Math
Write the ratio of dogs to cats in simplest form. 12 dogs, 16 cats
asked by Help!!! 
Math
A path is 3 feet wide and is paved with square bricks that are three inches wide. How many bricks wide is the path.
asked by Tyrone Pelzer 
Algebra
What is the polar form of 1+sina+icosa
asked by chandan 
Physics
(a) A narrow beam of light containing yellow (580 nm) and green (550 nm) wavelengths goes from polystyrene to air, striking the surface at a 30.0º incident angle. What is the angle between the colors when they emerge? (b) How far would they have to travel
asked by Elizabeth 
science(physics)
A bullet of mass 100g moving with20m/sec .Strikes a wooden plank and peretrates up to 20cm.Calculate the resistance offered by the wooden plank.
asked by Raj 
Math help
Stock in Company XYZ decreased from $14 per share to $9 per share. What is the percent decreased in the stock price?
asked by Singi 
Math
In a diagram of an 2 isosceles triangles, where ABC is a big triangle and a ADE, is just inside the top portion of ABC. Isosceles triangle ABC is similar to a isosceles triangle ADE what is the length of DE, which is the base part of a isosceles triangle
asked by Terri 
Math Need Help
The price of a pair of trousers was decreased by 22% at $30. What was the original price?
asked by Mai 
Chemistry
If 0.896g of a gas occupies a 250mL flask at 20 degree celcius and 760 mmHg of pressure, what is the molar mass of the gas?
asked by John 
Physics
A cubical block of steel of side 'a ' and density 'p'floats on mercury of density with a part of it being submerged. The height of the block above the Mercury level is given by
asked by Vidhi 
F/maths
X, Y and Z are three points on a straight road.A car passes X with a speed of 5m/s and travels from X to Y with a constant acceleration of 2m/s^2. The car then moves with a constant retardation of 3.5m/s^2 from Y to Z and comes to rest at Z. If the total
asked by Ajila Ayobami 
GP
two consecutive terms of a GP are the 2nd ,4th and 7th terms of an A.P respectively.find the common ration of the GP
asked by Mike 
Physics
What is the change in the volume of 1.0 L kerosene, when it is subjected to an extra pressure of 2.0 ×100000 N/m^2 if the density of the kerosene =800kg m^3 and speed of sound in kerosene is 1300ms^1
asked by Vidhi 
math
The selling price of the house from the bank was dropped from k200000.00 to 190000.oo.By what percent did the price drop?
asked by Thomas sakap 
Urgent Math
The price of oil decreased from $54 per barrel to $50 per barrel. What is the percent decrease in oil prices?
asked by Aulem 
Math
A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest
asked by Kennedy 
Maths
James decided to paint his bedroom. His bedroom walls are 5 metres long and 3 metres high. If 6 litres of paint can cover 10 square metres of the wall, how much paint should James buy to paint all the walls of his bedroom. If paint costs $12.00 per litre,
asked by Ana 
maths
james decided to paint his bedroom.his bedroom wall are 5 metres long and 3 metres high.if 6 metres of paint can cover 10 square metres of the wall,how much paint should james buy to paint all the walls of his bedroom.
asked by ana 
world history
What is the most likely explanation for why the Shang had little interaction with nonChinese cultures?
asked by kenny 
math
Divide 534 into three parts such that the second part will be 32 less than twice the first ,and the third will be 18 more than the first.
asked by waris 
Math
A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest
asked by Kennedy 
Geometry
Myles was asked to draw a triangle xyz and then dilate it using the origin aa the center of dilation and a scale factor of 0.75.he thinks adding 0.75 units to the coordinates of the vertices of xyz will help him draw the dilated image. Explain why miles is
asked by Jennifer 
Maths
A number increases from 30 to 40 and then decreases from 40 to 30. Compare the percent of increase from 30 to 40 and that of the decrease from 40 to 30.
asked by Runi 
Algebra
Plane A is flying at a rate of 560 mph and is traveling 1960 miles from Phoenix to Washington, D.C. Determine how long the flight will take. Which answer choice shows the correct equation and solution for the situation? a)The equation is 1960h=560. The
asked by Emma 
someone please help me.  Precalc
Rewrite the expression tan(90°−θ)sinθ as one of the six trigonometric functions of acute angle thetaθ. Please show work + answer. I have a few of them to do. Thanks.
asked by chichi 
Chemistry
I need to draw a line angle structure of ibuprofen that shows hydrogen bonding and I am stuck. Can anyone help?
asked by Breanne 
pre cal
Given that f(x) is a cubic function with zeros at −5, 2, and 4, find an equation for f(x) given that f(−10)=−4.
asked by tor 
Math Need Help
The price of an item changed form $140 to $100. Then later the price increase again from $100 to $140. Which of the two changes was larger in percentage in term and how much percent?
asked by Mai 
SPANISH
Daniel se está afeitando.
asked by Ama 
Math help
At the supermarket, a certain item has increased from 75 cent per pound to 81 cent per bag. What is the percent increase in the cost of the item?
asked by Singi 
chemistry
what volume of a 0.5M solution of sulphuric acid is required to prepare 2 litres of a 0.4M solution of the acid
asked by Apoorva 
algebra
when the lenght of each side of a square is increased by 7in., its area is increased by 189in.^2. find the lenght of the side of the original square.
asked by shekyra nelvis 
Math
The school is having a big event in the gym and wants to use their rectangular tables. 6 people can sit together at one rectangular table. If 2 tables are placed together, 10 people can sit together. So the pattern I noticed is 4 people added whenever a
asked by John Dosley 
physics
a person in a hot air balloon ascending vertically at a constant rate of 12m/s drops a rock over the side when the balloon is 40 m above the ground, what is the velocity of the rock just before it hits the ground, and how long will it take the rock to
asked by gary 
chemistry
what volumes of 6M hcl and 2M hcl should be mixed to get two litres of 3M hcl
asked by hussain 
Math
Carlos and Max are buying a house. They have $24000 for a down payment. The house price is $150000. If the interest rate is 8.85% compounded monthly, determine the size of the monthly payments they must make over the next 25 years to pay off the house.
asked by Anonymous 
Chemistry Grade 12
If the concentration of CN1 is found to be 1.4 × 106 mol/L in a saturated solution of AgCN, what is the Ksp of AgCN?
asked by Kevin 
Urgent Math
Growing up,you lived in a village. When you left for college, the population was 840. You recently heard that the population has grown by 5%. What is the percent population?
asked by Aulem 
Algebra
Write the equation of a line that contains (8,4) and the midpoint of the segment connecting (10,5) and (5,0) in standard form. I'm not sure what I'm doing wrong. I found the midpoint (7.5, 3.5), found the slope, and put the equation in standard form.
asked by sarah 
maths
danny drove halfway from town p to town q at average speed of 60 km/h. he wants to average 80 km/h for the entire journey. What will his average speed be for the second part of his journey?
asked by tim 
Physics
A hollow sphere starts from rest and rolls down a hill without sliding. At the bottom of the hill, it has a linear velocity of 5 m/s. What was the height of the hill the sphere rolled down (in meters)?
asked by Rebecca 
Maths
Ms.Enclair has a fortnightly salary of $1,200 per fortnight for other expenses. What percent of her salary does she spend in a month? How many percent does she spent on food?
asked by Khann 
Physics
A body of volume hundred centimetre cube is completely immersed in a jar containing water. The weight of the jar and the water before immersion was 700. After immersion weight of jar and water will be
asked by Vidhi 
Math
A laboratory technician has a 20% and a 40% acid solutions. What amount of each solutions should be used in order to make 300ml of 28% acid solution?
asked by Jeremy 
chemistry
15mg of sodium chloride is present in 1kg of solution. express the concentration in ppm and ppb.
asked by Apoorva 
Maths
A clock gains 2 mins in a day and another clock loses 3 mins in a day. Both watch are set to the correct time . When will they both next show the correct time?(in number of days) Please show work.
asked by Anonymous 
Math
Tobin borrowed $5000 from the bank in order to buy a new piano. He will pay it off by equal payments at the end of each week for 4 years. The annual interest rate is 3.5%. Determine the size of payments, and the total interest paid. Express your answers
asked by Anonymous 
Math
Describe two ways to show the expression 5×3/4. My answer is. 15/4. 5×3/4. 5/1×3/4. I don't know how to write expression.
asked by Deborah 
Health
set a SMART mental health goal and One social health goal
asked by Sherry 
maths
Express the function f(x)= (2x + 1)^3 as a combination of functions g(x) and h(x) and define g(x) and h(x)
asked by Clive 
Math
Casies invested one part of her $10,000 at 7.5% interest per year and the other part at 8.5% per year as well. Her income from the two investments was $820. How much did she invest at each rate of interest?
asked by Jeremy 
algebra
when the lenght of each side of a square is increased by 7in., its area is increased by 189in.^2. find the lenght of the side of the original square.
asked by shekyra nelvis 
Maths
How many litres of water fills a tank whise internal dimensions are 2.5m by 20m by 1.5m
asked by Precious 
Science
What is physics
asked by Yashesh 
physics
a sky diver jumps out of a plane that is 3000m above ground with an initial upward speed of 6m/s she free falls for 20s (assume there is no wind at this time)before pulling the cord to activate the parachute she then falls to the ground at a constant
asked by gary 
Chemistry
You discover a new cell type that contains measurable amounts of silver ions (Ag+) in it. You find that the concentration of Ag+ inside the cell is still 10 times lower than the concentration outside. Calculate the amount of membrane potential that results
asked by Tenshi 
Maths
The price of an changed from $120 to$100, then later the prices decrease again from $100 to $80. Which of the change was larger in terms of percent?
asked by Khann 
Math
Which letter on the number line above represents 6?
asked by Andrew 
Science
When did the first human exist? And when did they start populating the earth?
asked by Isaiah 
Physics
Considering a massspring system aligned horizontally moving at a velocity v. a) How will the velocity of the mass change if amplitude is doubled. b) How will the velocity of the mass change if the spring constant is quartered? I know the answer to the
asked by Lost 
Math
The sum of two consecutive numbers is S. The square of the larger number minus the square of the smaller number is?
asked by Janine 
maths
The function f is such that f(x)= (2  x)^2, x belongs to real number. Find g and h as functions of x such that gh(x)=f(x)
asked by david 
Organic Chemistry
Is helium considered a noble gas?
asked by Anonymous 
Algebra 2
What would happen to the sum of a geometric series if the ratio was 1?
asked by Nina 
hard core physics
A car is at motion.It horns an hears the echo of the sound after 6 sec.find the speed of the car.
asked by j 
pre cal
Given P(x)=5x^5−9x^3−9x^2+3x+9, P(x)→ ? if x→−∞, P(x)→ ? if x→∞.
asked by tor 
chemistry
15gm of sodium chloride is present in one kilogram of solution.express the concentratiom in ppm and ppb
asked by hussain 
physical Science
Sodium azide fully decomposes at 300 degrees celcius at a volume of 3,5 cubic decometer,calculate the mass of sodium azide pellets used
asked by wiseman Syabonga Xaba 
Math
Ms. Anne works in a supermarket for $10 per hour.If her pays increased to $12, then what is her percent increase in pay?
asked by Singi 
Maths
The selling price of a house from the bank was dropped from $200,000 to $190,000. By what percent did the price drop?
asked by Alstonier 
Maths
Solve For X if archtan(x)+archsin(x)=3/4pi
asked by Joel 
Math
Translate into an equation use x to represent an unknown number two thirds of a number is negative 28
asked by Atavia 
Maths
Your supervisor says that his wife has put an 18ft x 51ft garden in along the whole back end of their backyard. He says that this has reduced the backyard lawn area by 24%. What are the total dimensions of his backyard? What are the dimensions of of the
asked by Alstonier 
Maths
Prove that (1+sinxcosx/1+sinx+cosx)^2= 1cosx/1+cosx
asked by Joel 
maths
(3√16)
asked by abdal