Questions Asked on
January 17, 2016

Language
1. Which of the following passages from the taxt best support the stories theme of loyalty? A. Ever since Momma had met Rufus and I told her about sharing my sandwich with him and she had been giving me four sandwiches and three apples for lunch. B. I
asked by Estephania 
Language
Which of the following passages from the text best supports the story's theme of family? A. I wasn't allowed to take all of my dinosaurs out at once because momma was afraid I'll lose most of them. B. We wore so many clothes out when we pulled our final
asked by Estephania 
The Watson go to Birmingham 1963?
1. Which of the following passages from the novel best describes the setting? A. It was one of those super duper cold Saturday. B. One of those days that when you breathed kind of hung frozen in the air like a hunk of smoke and you could walk along and
asked by Lily 
Algebra
A guywire is attached to a pole for support. If the angle of elevation to the pole is 67 degree and the wire is attached to the ground at a point 137 feet from the base of the pole, what is the height of the pole?
asked by Sharon Smith 
Language
Which of the following text samples best supports the conclusion that Larry Dunn does not come from a financially home? A. He teases Rufus and Cody about their clothing. B. He wears socks on his hands Instead of gloves. C. She uses shoe polish to paint the
asked by Estephania 
Mathematics
A drug response curve describes the level of medication in the bloodstream after a drug is administered. A surge function S(t) = At^(p)e^(−kt) (where t > 0) is often used to model the response curve, reflecting an initial surge in the drug level and then
asked by Samantha 
Math
Kenny wants to invest $250 every three months at 5.2%/a compounded quarterly. He would like to have at least $6500 at the end of his investment. How long will he need to make a regular payments? *PLEASE SHOW WORK*
asked by Nick 
Physics
The pilot of an airplane traveling 160 km/h wants to drop supplies to flood victims isolated on a patch of land 160m below. The supplies should be dropped how many seconds before the plane is directly overhead?
asked by Lilly 
Language "Reed" I need your help!!
The Watsons Go to Birmingham1963 1. Which of the following passages from the taxt best support the stories theme of loyalty? A. Ever since Momma had met Rufus and I told her about sharing my sandwich with him and she had been giving me four sandwiches and
asked by Estephania 
Physics
Two identical massless springs are hung from a horizontal support. A block of mass 3.2 kg is suspended from the pair of springs.The acceleration of gravity is 9.8 m/s^2. When the block is in equilibrium, each spring is stretched an additional 0.32 m.The
asked by Johnathon 
Physics
A piece of copper ball of mass 20 gram at 200 degree celcius is place in a copper calorimeter of mass 60 gram containing 50 grm of water at 30 degree celcius, ignoring heat loses calculate the final steady temperature of the mixture. ( S. H. C of water is
asked by Anonymous 
physics
a rain drop of radius 0.3mm has a terminal velocity in air 1m/s. the viscosity of air is 18×10^5 dyne cm^2 s. find the viscous force on the rain drops in newton.
asked by Anjali 
physics
A 2.4 nC charge is at the origin and a 5.6 nC charge is at x = 1.0 cm . a)At what xcoordinate could you place a proton so that it would experience no net force? b)Would the net force be zero for an electron placed at the same position?
asked by jak 
Physics
A catapult is tested by Roman legionnaires. They tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): Range = 0.3 km; angle of launch = π/3; landing height = launch height. What is
asked by Anonymous 
Ethiopian History
The Two Main Internal Challenges To The Policy Of Emperor Tewdros II Came From ......And .....
asked by Teklu 
math literacy,english,afrikaans,l.o,l.s,bus
Can you become a social worker with the following subjects maths literacy, english,afrikaans,life orientation,life science,business and history are can you tell u what can you become with that subjects above
asked by prisca munsha 
Physics
The mass of a star in a galaxy far, far away, is 2.13 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 7.87 × 108 km. Treating this planet and star as particles, with each
asked by Briana 
English
What are 2 compound sentences about famous biuldings?
asked by Anonymous 
chemistry
A potassium permanganate solution containing 1.58 g of KMnO4 per liter is added into 5 ml of an acidified iron () sulfate solution .Decolorizing of KMnO4 solution ceases when 10ml of the solution has been added. Calculate the mass of FeSo4.7H2O which has
asked by angy 
physics
Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase. Speaker B is 12 m to the right of speaker A. The frequency of the waves emitted by each speaker is 686 Hz. Sound velocity is 343 m/s. You are standing between
asked by dani 
philosophy
Russell is arguing that philosophy is valuable. You'll want to think about his argument using his own key ideas: •How does he think philosophy is different from science? •Does he think philosophy is different from science in a good or bad sense, like
asked by Morgan 
Physics
The diameter of our diskshaped galaxy, the Milky Way, is about 1.7E+5 lightyears (ly). The distance to the Andromeda galaxy, which is the spiral galaxy nearest to the Milky Way, is about 1.9E+6 ly. If a scale model represents the Milky Way and Andromeda
asked by sarah 
maths lit,accounting, business, economics
What kind of a career path can I follow with this subjects maths lit,accounting,business and economics??
asked by Nnana 
chemistry help
A solution of thiosulfate ions has been prepared by dissolving 4.5g of Na2S2O3.5H2O in 250 ml of solution. Calculate the concentration of the thiosulfate ions S2O3^2 in the solution
asked by vicky 
Physics
Two forces of 5n and 7n respectively act an object.What is the maximum and minimum resultant of the two forces.Draw a diagram to show the minimum and maximum resultants.
asked by Millicentina 
Language
Choose the meaning the best matches the word italics. ••Reinforcement•• The troops waited for the arrival of REINFORCEMENT before beginning the march forward into dangerous territory. Extra time to prepare for battle Additional supplies or
asked by Estephania 
History
How did the relgion of the israelites differ from the religions of others in the surrounding area Only the Israelite religion taught protection of the poor and weak Only the Israelite religion taught moral standards of behavior Only the Israelite religion
asked by Anonymous 
Physics
A 10.5 g bullet is fired into a 104 g wooden block initially at rest on a horizontal surface.The acceleration of gravity is 9.8 m/s2. After impact, the block slides 6.66 m before coming to rest.If the coefficient of friction between block and surface is
asked by Bri 
math
Last summer,at camp okeyfun okey, the ratio of the number of boy campers to the number of girl campers was 8:7. If there were a total of 195 campers how many boy campers were there?____girls campers___
asked by Tre 
maths
an engineer is designing a parking lot.The parking lot will have a row 38 parking space long.Each space will take 4 metres.What expression,using distributive property ,can he write to calculate how many metres long the parking area must be?and what will
asked by thabang 
chemistry help plz
A potassium permanganate solution containing 1.58g of KMnO4 per liter is added into 5 ml of an acidified iron () sulfate solution. Decolorizing of KMnO4 solution has been added .Calculate the mass of FeSo4.7H2O which has been dissolved in one liter of
asked by cynthia 
Math
At country concert, the ratio of the number of boys to the number of girls is 2:7. If there are 250 more girls than boys, how many boys were at the concert?
asked by Tre 
Statistics
The intermediate answers from some calculations based on whole number scores are X= 4.3467892 and Y= 3.3333. For the next step, after rounding, what values of X and Y do we use?
asked by Pam 
algebra
The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of its speed and inversely as the radius of the curve. If 182lb of force keep a 1800lb car from skidding on a curve of radius 600ft at 30 mph,
asked by NM 
algebra
The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of its speed and inversely as the radius of the curve. If 182lb of force keep a 1800lb car from skidding on a curve of radius 600ft at 30 mph,
asked by mm 
Algebra
sqrt((sqrt(x2+66^2)+x)/x)  sqrt (x.sqrt(x2+66^2)x2)=5
asked by Girish 
Geography,History,Business Studies and Maths Literacy
Which careers can choose from when am done studying the subjects i've mentioned
asked by Lindo 
Chemistry
Calculate the equilibrium concentrations of N2, H2, and NH3 present when a mixture that was initially 0.10M N2, 0.10M H2, and 0.10M NH3 comes to equilibrium at 500 degrees C. N2(g) + 3H2(g) equilibrium arrows 2NH3(g) Kc = 0.040 (at 500 degrees C)
asked by Anonymous 
chem
what mass of zinc will be required to react completely with 100cm3 of a 1.0M hcl.
asked by sonia 
Maths lit, geography ,agricultural science. Life science
Hi i am a grade 11 learner at khumbula senior high school , i want to know which career path do i take with this subjects ?
asked by Nothando chibi 
Physics
Calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one where s=0.072N/m.
asked by Anjali 
Maths
If a fluid enters a hemispherical vat with a radius of 10meter . at a rate of 0.5cubic meter per minute, how fast will the fluid be rising when the depth is 5meter?
asked by Related Rates 
maths lit,B.S,consumer studies,CAT,english,LO
Which degree must I study or which carreer can I follow
asked by mandla 
organic chemistry
0.68g of a solid diprotic acid was dissolved in 30.0mL of a 0.50 NaOH sol'n. the resulting mixture was then backtitrated against 0.20 M HCl; 25mL were required. Calculate the molar mass of the acid. This acid is a solid salt of a triprotic acid, identify
asked by Jane 
trigo
A television antenna is on the roof of a building. From a point on the ground 36.0 ft from the building the angle of elevation of the top and bottom of the antenna are 51° 23' & 42°10', respectively. How tall is the antenna?
asked by fabbzz 
physics
a ball rolls off the edge of a horizontal at 10m/s, what is the speed of the ball 2s later?
asked by ann 
GCU
The weight W of an aluminum flatboat varies directly with the L length of the boat. If a 11ft boat weighs 132 pounds, then what is the weight of a 13 ft boat?
asked by NM 
algebra
The distance that an object falls is directly proportional to the square of the time of the fall, t. A person who is parachuting for the first time is told to wait 15 seconds before opening the parachute. If the person falls 64 feet in 2 seconds, find how
asked by NM 
Chemistry 101
A 16 Gauge wire has a diameter of 0.0508 inch. Calculate the length in meters of a 5.00 pound spool of this wire. The density of copper is 8.92g cm^3
asked by Scott L 
Math
Forty percent of the 20 seats on the bus were occupied. Write 40% as a reduced fraction. Then find the number of seats that were occupied.
asked by Brittany 
AP Physics
A horizontal force of 160 N is used to push a 49.0 kg packing crate a distance of 7.00 m on a rough horizontal surface. The acceleration of gravity is 9.81 m/s If the crate moves with constant velocity, calculate the coefficient of kinetic friction.
asked by lili 
World history/ Latin America
Check my answers please?? i have a star by my answer. 1. The policy by which strong nations extend their control and influence over weaker territories is called? Socialism Imperialism Populism 2. This theory justified the use of racial, national and
asked by charlie 
Spanish
magínate que eres agente de viajes. Contesta las preguntas de tus clientes afirmativamente con el mandato formal. Si es necesario, usa un pronombre de complemento directo (lo, la, los, las). Sigue los modelos. MODELOS:¿Necesito ir al consulado mañana
asked by Fisher 
math,eng,phy,chem,bio,geography,economics
if 8.99g of scandium and 8.99g of oxygen react to give scandium oxide and a leftover of oxygen 3.65g. what percentage of scandium oxide is the oxygen
asked by joyce 
maths
if the area of parallelogram is 192cm² and the altitude is three times the corresponding base then what is length of base and altitude
asked by aziz 
Math
There are 8 cows 3 sheep and 5 chicken in the field what fraction of the animals are the sheep
asked by Ana 
Maths lit, geography ,agricultural science. Life science
Hi i am a grade 11 learner at khumbula senior high school , i want to know which career path do i take with this subjects ?
asked by Nothando C 
Math
For this problem I have to order these numbers from least to greatest. Would this be correct: .62< .622 < .6262 < 5/8
asked by Kyle 
algebra
If 182 lbs of force keeps a 1500 lb car from skidding on a curve of radius 600 ft at 35 mph, what force would keep the same car from skidding on a curve of radius 750 ft at 50 mph
asked by NM 
Mechanics
A 500kg spaceship is in a circular orbit of radius 2Re above the earth a.how much energy is required to transfer the spaceship to a circular orbit of radius 4Re. b.discuss the change in potential energy,kinetic energy and the total energy of the system
asked by Och 
English
form 5 sentences using singular and plural pronoun
asked by Rhoda 
Physics/astronomy
How many different photons (photons of different frequencies) can be emitted as a hydrogen atom in the fifth excited state falls back directly or indirectly to the ground state?
asked by Linsey 
math
what is the answer when you order the common fraction 4/7,1/2 and 2/9 in ascending order?????????????????????????
asked by ashley 
Chemistry
At pH 9 what will the ratio of ammonium to ammonia be? The pKa of ammonium is 9.24?
asked by Sarah 
physics
What is the uncertainty of a physics lab? What does uncertainty mean? Let's say I'm measuring a height of where the ball is on the ramp and let go of the ball and the ball hits the ground and we use our eyes to see how far the ball lands from the ramp next
asked by Matt Damon 
math
The Greener Corporation produces electrical motorcycles and electric cars. The management wanted to produce at least 2 electrical cars and 8 electrical motorcycles but no more than 5 electric cars per month. The production department can produce a maximum
asked by ymme 
Science Help
What happens to the density of the air in the balloon as it is heated?
asked by Sam 
Math
How many tiles of length 8cm breath 5cm are needed to tile a floor of dining space which is 400 cm long and 300 cm wide
asked by Anonymous 
algebra
the weight w of an aluminum flatboat varies directly with the L length of the boat. If a 8ft boat weighs 120 pounds, then what is the weight of a 7 ft boat?
asked by mm 
Physics
I'm confused on where to start. Can someone help break it down. That would be so helpful. 1.) an athlete executing a long jump leaves the ground at a 30° angle and travels 7.80 m. What was the takeoff speed? If this speed were increased by just 5.0
asked by Jake 
math
Quinn and Karen are traveling towards each other from points that are 420 miles apart. If Karen is traveling 18 mph faster than and they meet after 7 hours, how fast was each traveling?
asked by g 
math,eng,phy,chem,bio,geography,economics
in an experiment of oxgen to hydrogen in water molecule. 9g of iron were heated in a current of hydrogen,6.5g of iron and 2.8g of water were formed using this data. determine the proportion by mass of oxygen to hydrogen in water
asked by joyce 
agric,physics,life sciences ,pure maths
can i be an agricultural engineer
asked by kgopotso 
Math
I need to create a picture on the computer and plot points using the xaxis and the yaxis. What program would I use to make this?
asked by Susan 
MATH
Okay bottle wooden box of internal age 1 metre is made of 5 centimetre thick would the box is open at the top it would cost rupees 9604 cubic metre. Find the cost of the wood require to make the box.
asked by ANIRUDH DAHUJA 
Calculus,Stationary Points,First derivative test
Good afternoon, I need a bit of help. So ive got my first derivative which is 6x^26x12 and the stationary points ive found are x=1 and x=2 at which points the value of the derivative is zero. So im attempting to classify the points. From my derivative
asked by Mat 
world history
Check my answers for world history please? i put a star by my answer 1. What problems did Progressives hope to solve? a. Men’s right to vote b. Political corruption and respond to the needs of the people c. Take care of the rich *** 2. President Theodore
asked by misty 
Math/ algebra
Cheryl decided to create a flower bed in front of her house. One half of her flower bed is planted with pink tulips. She plants threequarters of the rest of the ground with purple iris. After that she plants one half of what remains with orange marigolds.
asked by Annie 
Science
Why are gender roles considered socially constructed, according to the text? (Points : 1)
asked by Anonymous 
English & Composition HELPPP
I need help finding 6 sources 2 sources: neutral sources pertaining to the background information of the confederate flag and about the controversy 2 sources: about how the confederate flag is a symbol of History 2 sources: about how the confederate flag
asked by Bethany 
Physics
Where did the waste energy go to? A ball rolls off the ramp on the edge of a table heading downward and hits the ground.
asked by The Real Matt Damon 
GCU
The weight W of an aluminum flatboat varies directly with the L length of the boat. If a 9ft boat weighs 162 pounds, then what is the weight of a 8 ft boat?
asked by NM 
Math
Esther drove to work at 45 miles per hour. Returned home at 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Ester drive to work in the morning?
asked by Bob 
science
A gas at atmospheric pressure is compressed isothermally to one third of its volume. What is final pressure?
asked by Anjali 
Math literacy,geography,tourism,bisiness studies
Can i become a geologist if i have the following subject above?
asked by Siyanda 
math
eric spends three eight of his money on a pen and one third on snacks .what fraction of his money is left
asked by phillisha 
Maths
A bag contains 4 white beads and one black bead. Three beads are removed from the bag individually being replaced before each selection .find the probability that from the three beads there are at least two black beads
asked by Anu 
science
A cannon, mass 500kg, fires a bullet, mass 100kg, horizontally so that the velocity of the bullet is 100m.s^1 to the right. calculate the recoil velocity of the bullet
asked by anonymous 
chemistry
describe what happen when a piece of wet red litmus paper is passed through a hydrogen gas.
asked by sarah 
maths literacy,life science,history,agricultural science
people can you plz help me what can I study after matric,anyone who could help me?
asked by loyiso 
Maths
Between which two integers does each irrational number lie? A)√6 B)√28 C)√12 D)3√18 E)4√58 F)3√40
asked by Bohlale 
Finance
Given the following information, answer the following: TR=$3Q TC= $1,200 = $2Q 1. what is the breakeven level of output? 2. If the firms sells 1,300 units, what are its earnings or losses? 3. If sales rise to 2,000 units, what are the firms earnings or
asked by Rald 
Physics
A 26lb. force vector that makes an angle of 101° counterclockwise from the y direction. Determine the x and y components of the following three vectors in the xy plane.
asked by Cristiano 
Math
Can someone explain lnx^(1/5)?
asked by Fisher 
Math Teacher Certification Exam
Person A has 6.24 and Person B has two cents more than twice Person A. How much money will they have if they combined their money? I had this confusing word problem yesterday on a Teacher Certification Exam for PreK3 grade. Please help clarify how to set
asked by Miyiah 
Physics
You are required to produce two generalizations: (a) the average weight of a hen’s egg and (b) the average weight of a classroom chalk. You want your conclusion to be as systematic as possible with a limited time and with limited materials. How would the
asked by Edge 
maths
If a certain sum doubles itself after 3 yrs kept at simple interest. In how many yrs will it become 5 times of its value?
asked by Bhargavi 
Calculus
Consider the following function. f(x) = (2 − x)^(e^−x) (a) Find the intervals of increase or decrease. (b) Find the intervals of concavity. (c) Find the point of inflection. (x, y) =
asked by Fisher 
Math
I am stuck on this problem: Would 80 gallons > 350 pints? because i know i gallon=8 pints
asked by Kyle 
mathfinance
Given the following information, answer the following: TR=$3Q TC= $1,200 = $2Q 1. what is the breakeven level of output? 2. If the firms sells 1,300 units, what are its earnings or losses? 3. If sales rise to 2,000 units, what are the firms earnings or
asked by Rald 
physics
Where did the waste energy go to? A ball rolls off the ramp on the edge of a table heading downward and hits the ground. Was the energy lost or gained a direct relation to the distance that the metal ball travelled along the ramp?
asked by Matt Damon 
chemistry
Tell me plz how we can characterize the compound K3[Al(c2o4)3]?
asked by Sana Arshad 
Precalculus
The exponential function f(x)=6(4)^2x+2 can be written in the standard form f(x)=Abx. Find the values of A and b. Give exact values, not decimal approximations. I don't know how to do with this problem. I try to graph and use points but the answer is wrong
asked by Hai 
PHYSICS
AN OBJECT OF HEIGHT 5 CM IS PLACED PERPENDICULAR TO THE PRINCIPAL AXIS OF A CONCAVE LENS OF FOCAL LENGTH 10 CM .IF THE DISTANCE OF THE OPTICAL CENTRE OF THE LENS ES 20 CM .DETERMINE THE POSITION ,NATURE AND SIZE OF THE IMAGE FORMED USING THE LES FORMULA.
asked by Anonymous 
physics
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where S=0.072N/m
asked by Anjali 
Calculus/ Application Of Derivative
If a fluid enters a hemisperical vat with a radius of 10 meter, at a rate of 0.5cubic meter per minute, how fast will the fluid be rising when the depth is 5 meter
asked by Anonymous 
MATHS
POST A ROLE PLAY ON DIRECT AND INVERSE VARIATION IN BETWEEN 5 STUDEBTS
asked by NANDINI 
chemistry
describe what happen when a piece of wet red litmus paper is passed through a hydrogen gas.
asked by sarah 
Chemistry 101
Which o^ these possesses more mass, a sphere of Mecury (Hg) with a diameter of 2.00 cm or a cube of lead (Pb) measuring 2.00 cm on each side? Volume of a sphere = 4/3(pie)r^3.
asked by Scott L 
History
1.What was the effect or importance of James Fisk, Daniel Drew, and Jay Gould selling $7,000,000 worth of watered stock to Cornelius Vanderbilt in his attempt to acquire the Erie Canal? 2.What was the effect of William Graham Sumner, a Yale Professor, and
asked by Amy 
algebra ,
8th grade homework: 3 digits, divisible by 5, odd number, product of the digits is 15, sum of the digits is less than 10 and it less than 12 by 12.
asked by mbali 
Maths
Between which two integers does each irrational number lie? A)√6 B)√28 C)√12 D)3√18 E)4√58 F)3√40
asked by Bohlale 
math
a jucket cost £45 in the "15℅ off "sale. how much did it cost before the sale?
asked by david 
math
simple interest per month on $210,000.00 loan at 1/4% is how much?
asked by phil 
algebra
(ca)/(b)=(fd)/(e) solve for a
asked by mm 
Math
4/15 of a pool is filled every 1/8 of an hour. How much of the pool will be filled in one hour?
asked by Alexa 
math
You have 50 coins, all quarter's and dimes. How would you know how many of each coin and come up with a total of 11.15$?
asked by Angela 
algebra
triangle abc is similar to triangle def and has a ratio 8/10 = 16/20 = 4x+6/4x+11 side ac= ?
asked by mm 
Chemistry
If a solution has a large Kb value, will it have a high pH?
asked by Alex 
Math
I am confused with this problem: By what number does 9.46 exceed 3.928? Would I subtract the two numbers?
asked by Mike 
Math
Admission for the movies is $6 per adult and $3 per child. Write an algebraic expression
asked by Anonymous 
Math
I am really confused. I am trying to convert quarters to dimes to see which is greater. The problem is 540 quarters _ 2000 dimes. Please explain so I can understand how to convert the two numbers.
asked by Ryan 
Math
I am stuck on this. I am converting 450 nickels to 25 quarters to see which is greater. Can you explain or show me how to do this.?
asked by Matt 
Math
Is the middle point in the Cartesian Coordinate system correctly called the origin or the center? I am referring to the (0,0) point.
asked by Rachel 
Math
find the extrema of f(x)=x^(2/5), 3
asked by Bob 
Math
which value of k makes p^28p+k a perfect square?
asked by King 
physics
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where s=0.072N/m.
asked by anjali 
algebra 2
linear combinations are confusing, please show how to solve 6x + 5y = 4 and 7x  10y = 8
asked by felicia 
Math
would 450 nickels be greater than 25 quarters
asked by Matt 
elasped time
how many hours is 8:00  4:30?
asked by Anonymous 
Maths
There are 64 blue and red marbles in a box. The ratio of red marbles and blue marbles is 3:5. How many blue marbles are there? Plz Help me I'm stuck on this question!!!
asked by Uta 
math
i need help with algebra
asked by dorcas 
math
in the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up
asked by ymme 
math
In the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up.
asked by ymme 
Mechanics
Show that theoritically the period of rotation of a satelite which circle a planet at negligible distance from its surface depend only on the density of the planet
asked by Och 
physical science
what will the velocity be if the momentum is 60000 kg m/s and the mass of the car is 2000kg
asked by bandile 
physics
Can water be boiled without heating?
asked by Anjali 
math
selena calculated the percentage change in the price of a microwave as 87%please explain what it means
asked by Godiraona 
math
what does 10 degrees indicate
asked by Godiraona 
math multiply binomials by trinomials ( really need help)
a) 5(1/5x  1)(5x  1/5) b)(2a  3)^2  (3a + 4)(3a  4) +2(3a + 1)^2 c)(x/3  2)(x/2  3) d) 1/5x(25x  10y) + 1/3(12x3y) e) 3(x2y)^3
asked by Bongiwe Gamede 
math
3 digit number, divisible buy 5, odd number, product of the digits is 15, sum of digits is less than 10 and less than 12by12
asked by mbali 
Calculus
Examine the continuity of f : R2 → R at (0; 0), where for all (x; y) ∈ R2, 1.)f(x; y) := {xy cos(1/x) if x ̸= 0; 0 if x = 0:} 2.)f(x; y) := {1 if x > 0 & 0 < y < x2; 0 otherwise:}
asked by Elina 
Calculus
(3) Suppose that f : R2 → R is a continuous function at x0 ∈ R2 and that f(x0) > 2. Show that there is a $ > 0 such that f(x) > 2 whenever x − x0 < $.
asked by Alice 
science
a runner travels 3 kilometers in 30 minutes. what is the speed of the runner
asked by Josephine 
chemistry
A certain mass of gas occupied 450cm cube at 25°c.At what temperature will it have it's volume reduced half
asked by violet 
Suggestions needed... No specific class
If you could see an everyday object improved by adding something mechanical what would it be? Cause be something that has to do with transportation, help disabled people, etc. For example, creating a wheel chair that is rough terrain and water accessible
asked by John