Questions Asked on
May 22, 2016

Algebra
A box contains 5 yellow balls, 3 blue, and 1 red ball. Two balls are drawn at random. Find the probability that the two balls are yellow
asked by vivian 
math
* A cat and a dog have a race. The cat’s strides are 30% shorter than the dog’s but it makes 30% more strides than the dog. Which of them will win the race?"
asked by lillian 
math
The measure of angle A is 124 degrees. What is the correct classification for angle A? a. acute b. right c. obtuse d. straight I'm pretty sure it's c. Right?
asked by Please Help 
Algebra
A chemist wishes to mix a solution that is 4% acid. She has on hand 66 liters of a 2% acid solution and wishes to add some 8% acid solution to obtain the desired 4% acid solution. How much 8% acid solution should she add? There is a chart
asked by Sarah 
Math
Check my answers please? There are only 10 The figure below shows a triangle with vertices A and B on a circle and vertex C outside it. Side AC is tangent to the circle. Side BC is a secant intersecting the circle at point X: The figure shows a circle with
asked by Caitlin 
Geography
Why did the original farms on the Prairies turn out to be too small? What happened as a result of this?  I think it has to do with the joining of the farms, to make one big lot, leaving more space, as a result the
asked by Daniella 
Algebra
The height of Tower A is 940 feet more than Tower B. The two towers have a combined height of 1,540 feet. What are the heights of each tower?
asked by Sarah 
physics
An insulated beaker contains 300g of water initially at 30 degree celsius. water at 100 degree celsius is added until the temperature of mixture reaches 50 degree celsius . the specific heat capacity of water is 4.2J/(kg degree celsius). how much water is
asked by annie 
Easy Math
Draw a line with 3 distinct points on it. Label each with a different letter. How many different rays can you name using only three given points? a. 8 b. 6 c. 4 d. 2 Not quite sure. Could the answer possibly be four (c.)?
asked by Please Help 
physics
A skier slides down a ski slope with an acceleration 2.2 m/s^2 directed down the slope. The coefficient of kinetic friction between the skis and the slope is 0.24. What is the angle of the slope with the ground?
asked by John 
Pharm
A 750 ml bag is being infused over 90 min. What is the rate of infusion in ml per hour?
asked by Schoolgirl 
Math
This year Grandma's age and Mother's age are the same but with the digits reversed. One year ago, Grandma was twice as old as Mother. How old are Grandma and Mother today?
asked by John baltista 
Math
Form the perfect square trinomial in the process of completing the square. What is the value of c? x^2 + 3x + c = 7/4 + c c =
asked by Sara 
Physics
A DIVERGING lens has a focal length of 35 cm. (a) Find the image distance when an object is placed 48 cm from the lens. (b) Is the image real or virtual magnified or reduced?
asked by Matt 
Math
By what percent will the product of two numbers decrease if one of them is decreased by 25% and the other is decreased by 50%?
asked by lillian 
algebra
A mother is 21 years old then her new born daughter. how old does her daughter when her age will be 1 by 4 of her mother
asked by lily 
Science (Biology)
Use your knowledge of photosynthesis to explain what is happening in the following graphs. 67(dot)media(dot)tumblr(dot)com /d99a0dd856c87dfc21b9314f89019994/tumblr_o7ltp1unLS1tt1il6o1_1280.jpg
asked by Michlle 
science
Calculate the equilibrium constant of NH4HS H2S + NH3
asked by andile 
Physics
A DIVERGING lens has a focal length of 35 cm. (a) Find the image distance when an object is placed 48 cm from the lens. (b) Is the image real or virtual magnified or reduced? I am very lost and don't even know where to start
asked by Matt 
PreCalc
Five cards are dealt from a standard deck of 52 cards. What is the probability that three or four of the cards are aces?
asked by Anonymous 
Physics
A barrel will rupture when the gauge pressure inside reaches 345 kPa. A vertical pipe is attached to the lower end of the barrel. The barrel and pipe are filled with oil, density of 1200 kg/m3. How long can the pipe be if the barrel is not to rupture?
asked by Anonymous 
PreCalc
Three cards are chosen at random from a standard 52card deck. Find the probability that all three cards are hearts given that there are 13 hearts in the deck. Round to the nearest thousandth. Is this 0.013?
asked by Anonymous 
English
Hello. Thank you for help. Will you please answer a few more questions? 1) Which preposition is correct in the context: "your help at the most difficult moments in / of my life"? 2) Is it grammatically correct to say "Godblessed person" or "God's chosen
asked by Ilma 
Chemistry
Given 100 mL of pure water at 40C, what volume of a solution of hydrochloric acid, with a density of 1.175 g/mL and containing 34.4% HCI by weight, could be prepared?
asked by Sidney 
Physics
What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.
asked by Anonymous 
Geometry/Math
What Formula would I use to calculate how much my cardboard box with a surface area of 1578cm and a volume of 3078 cm would cost if cardboard was $0.05 per square inch.
asked by Help! 
Math
Value has a bag that contains,9 blue marbles and , 13 yellow marbles she selects a marble at random,and then without replacing the first one selects another marble at random what is the probability that value selects a blue marble and then a yellow marble
asked by Anonymous 
physics
what is the importance/significance of calculating the magnetic flux density of a solenoid?
asked by hannah 
Mathematics
A motor car travels 175 km distance from a place A to B,at a uniform speed 70km/hr passes though all ten green traffic signals.Due to heavy traffic it stops for 1 minute at first signal,3 minute at second signal,5 minute at third signal and so on stops for
asked by Sakshi 
Algebrad
A six sided number cube is rolled and a coin is flipped. What is e probability that the number on the cube is less than 4 and the coin lands on heads? I think the answer might be 1/3. Heads and tails is 1 and less than 4 is 3. I am not sure.
asked by Blake 
Math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the
asked by Steve 
physics
as the permeability of a material is the ratio of the magnetic field strength and the magnetic flux, could the permeability of the material be multiplied by the magnetic field strength in order to calculate the flux?
asked by hannah 
maths
2 clocks set at 6am 1loses 2mns every hour 1 gains 1mn every hour at what time will they be 10mns apart
asked by annmarie 
math
rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is 9.8m/s^2).find the vector function of the net at the
asked by arini sofia 
MATHS
WHAT WILL BE THE GREATEST 5 DIGIT NUMBER WITH 7 ON ITS TENS PLACE AND WHEN ROUNDED OFF TO NEAREST HUNDREDS GIVES 76500?
asked by DEVANSH 
Maths
John spent 3/4 of his saving money for a birthday present and 1/7 of his saving money for clothes.He had only $27 left.a)What fraction of his total money he had spent?What Fraction of his money has left?b)what is the total of his money did he save from the
asked by Jayden Tran 
Geometry,Math
Is my data correct? For package design I will use a cylinder. The Equation for the surface area of a cylinder is A = 2 π r h + 2 π r² . The equation for the volume of a cylinder is V = π r² h. I have chosen a cylinder for my cereal box because I
asked by Help! 
Algebra
Brandon flips two fair coins multiple times and records the frequency of the results in the following table. 50 trials125trials150trials HH 10 33 37 TH 9 31 38 HT 13 28 38 TT 18 33 37 DETERMINE THE EXPERIMENTAL PROBABILITY AND THEORETICAL PROBABILITY FOR
asked by Blake 
Math
In a standard deck of 52 cards whats the probability of getting a 2 or a 7 of diamonds.
asked by Aubrey T. 
teaching methodology
analyze points cutting across teacher centered and active teaching methods that should be used with care by the teacher.
asked by emmy 
maths
a curve is defined in the xy plane by y=(x1)(ax^2+bx+x) where a, b and c are constants. the curve touches the xaxis at x=1 and the line y=3x+6. a) find the values of a, b and c.
asked by Anonymous 
science
14. A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve?
asked by Anonymous 
Chemistry
Put the following in order, from the one with the greatest impact on reaction rate to the one with the least impact on reaction rate: temperature, amounts of reactant, and presence of catalyst.
asked by Anonymous 
introduction to law
We have heard that south Africa has two kind of sources of law.what are those two sources of south African law?
asked by yvonne 
integral calculus
A cylindrical tank of radius 3 ft length 8 ft is laid out horizontally .The tank is half full of oil that weighs 60 pounds per cubic foot. a.)determine the work done in pumping out oil to the top of the tank. b.)determine the work required to pump out the
asked by jhay 
cfgcfhbcncf
Water is flowing at the rate of 5km/hr through a cylindrical pipe of radius 7cm into a rectangular tank which is 50m long and 44m wide. In how many hours will the water level in7 cm of tank to filled
asked by sfvfzvszc 
math
The equation y = 55x + 85 describes the amount of money a plumber charges, where y is the total amount he charges and x is the number of hours he works.
asked by brenda 
Chemistry
What is the concentration of 127 mL of solution made with .450 g of nickel (II) nitrate hexahydrate?
asked by Morgan 
Chemistry
What mass of solid magnesium hydroxide is needed to neutralize .385 L of 2.5 M nitric acid?
asked by Morgan 
Maths
chords PQ And RS Intersect At X Inside The Circle Centre T.If Angle PTR=64 Degree And The Minor Arc PR Is Twice The Minor Arc QS.Calculate QXS
asked by Bisi 
maths
Sketch the graphs of f(x)and g(x) for 360
asked by Anelisiwe 
Chemistry
How to convert 4.610.5 micrograms/dL to nmol/L? The answer is 59135 nmol/L, but I have no idea how to set it up to get that answer.
asked by Student 
Spanish
Read the situation and fill in the blanks with the correct TENER expression. 1.You studied for a test, but your friend didn't and got a better grade than you. Tu_______________________.
asked by Phyllis 
Spanish
Read the situation below, then fill in the blanks with the correct TENER expressions. 1. I was so busy I never had time for lunch. Yo___________________. 2. We won the lottery. Nosotros_________________.3.The air conditioning is broken and it 100F.
asked by Phyllis 
Physics
What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.
asked by Anonymous 
Physics
How high (in meters) would the water rise in the pipes of a building if the water pressure gauge shows the pressure to be 252 kPa at ground level?
asked by Anonymous 
Physics
A barrel will rupture when the gauge pressure inside reaches 345 kPa. A vertical pipe is attached to the lower end of the barrel. The barrel and pipe are filled with oil, density of 1200 kg/m3. How long can the pipe be if the barrel is not to rupture?
asked by Anonymous 
economics
A description of the market form in which milk producers operate
asked by zamagcina 
Algebra
the length of a rectangle is 4 less than 3 times the width if the perimeter is 48 inches find the length and the width
asked by Ethan 
math
There are 34 hats at a shop. There are 2 times as many scarves as hats at the shop. How many scarves are at the shop?
asked by Amari 
Chemistry
The air in a cylinder of a diesel engine occupies 1.00 L at 30 degrees celsius and 1.00 atm. What is the pressure in the cylinder when the air is compressed to 0.0714 L (14:1 compression ratio) and heats to 480 degrees celsius? When the fuel explodes in
asked by Eve 
math
Nicole swims 6 times as many laps as Evan. What multiplication equation compares the laps Nicole and Evan swim?
asked by Bryce 
Chemistry
I posted this before and I know now to use P1T2=P2T1 but I was wondering what I would plug in as pressure and temp? just an example of one would be so great. In each of the four problem in this section, all gases are measured at the same temperature and
asked by Eve 
Math
Janet uses 3 feet of ribbon to decorate each pillow. The ribbon comes in 225foot rolls. How many pillows will she be able to decorate with one roll of ribbon? Will there be anything ribbon left over?
asked by Johan 
English
Hello. I will be very grateful for your advice. Which is correct: a) He had a new job which he was very proud of. b) He had a new job that he was very proud of. c) He had a new job he was very proud of. (I, for some reason, prefer a) Thank you very much
asked by Ilma 
Math
suppose that when your friend was born your friends parents deposited $4000 in an account paying 4.1% interest compounded quarterly. what will the account balance be after 15 years?
asked by Chris 
Chemistry
Ammonia gas is passed into water, yielding a solution of density of 0.93 g/mL and containing 18.6% NH3 by weight. What is the mass of NH3 per mL of solution.
asked by Kelly 
English
Thank you for your help. I'm very grateful for your adice. Please help me with one more question. Does it sound natural to say "he is a unique, blessed person"? Thank you.
asked by Ilma 
Math
Six apples cost as much as four pears. Each pear costs $4 more than each Apple. What is the cost of one pear?
asked by Brian 
Math (precelc 12)
Factor 2x^462x^2+60x I get: 2x(x^331x+30) 2x(x30)(x^21) 2x(x30)(x1)(x+1) But that's wrong. It should be (I think): 2x(x1)(x5)(x+6) Please show me where I went wrong.
asked by Jana 
Latin
Translation Help: Where do Ablatives and Genitives fit into a Latin sentence? How do you tell if a prepositional phrase is with an Ablative or Accusative?
asked by Shelby 
Math
Janet uses 3 feet of ribbon to decorate each pillow. The ribbon comes in 225foot rolls. How many pillows will she be able to decorate with one roll of ribbon? Will there be anything ribbon left over?
asked by Johan 
Geometry
What is the height of a pole standing 20 feet from the base of pole and measure the angle of the elevation to the top of the pole to be 54 degrees what's the height of the pole
asked by Will 
finance
Dharma Supply has earnings before interest and taxes (EBIT) of $591,000, interest expenses of $255,000 and faces a corporate tax rate of 36 percent. a. What is Dharma Supply's Net Income? b. what would dharmas net income be if it didn't have any debt? c.
asked by Ann 
Math
the walls and ceiling of a hotel room need to painted. The floor is 20foot square and the ceiling is 8 feet high. What is the surface area of the walls and ceiling to be painted? Ignore any doors or windows
asked by Derp 
prealgebra
The width of a rectangle is 30 centimeters. Find all possible values for the length of the rectangle if the perimeter is at least 768 centimeters.
asked by Savage 
Economics
Suppose the market demand and supply are given by Qs = 50 + 3P and Qd = 300  4P. What is the equilibrium price? ? is the answer 50
asked by Lori 
Math
If you picked one card from a standard deck of 52 playing cards, what would be the probability of picking the ace of spades?
asked by Michlle 
Math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the
asked by Steve 
math or algebra
F2088nd the next three terms of the sequence. 2, 12, 72, 432. Possibilities are: 1. 1728 6912 27,648 2. 1728 10,368 62,208 3. 2592 10,368 41,472 4. 2,592 15,552 93,312 I have tried multiplying positive numbers times the negative but can't
asked by james 
grade 9
A 40m deep well with radius 3.5m is dug & the earth taken out is evenly spead to from a platform of dimension 28m by 22m.find the heght of the platfoem?
asked by fira 
math
Two mechanical shafts are joined together at their ends. Together their total is 18 and 2/9 ft. if one shaft is 13 and 4/7 ft long , how long must the other shaft be?
asked by Kiana 
Math
Aaron's father is nine times as old as he is. One year ago, he was two years more than eleven as old as Aaron. Find Aaron's present age.
asked by Anonymous 
Science
What develops from the Allantois? (*note the umbilical cord is not an option for this question)
asked by Ally 
Science
name all structures that supply blood to the liver
asked by misha 
Math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the
asked by Steve 
Mathematics
If the digit in unit's place of number is 7 then the digit in the unit's place of its cube is
asked by Anonymous 
science
Assume that some sugar was put into some rice by mistake. Design an experiment to separate the mixture. I'm not sure what I should do, can someone help me out?
asked by truce 
math
rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is 9.8m/s^2).find the vector function of the net at the
asked by arini sofia 
Science
Solubility of nacl in 100g of water at80degree
asked by Vishali