Questions Asked on
September 18, 2015

Math
1. Name the intersection of plane ACG and plane BCG. A. AC B. BG C. CG D. The planes need not intersect. Is the answer C? this is hard for me since there isn't a picture. Thank you!
asked by tim 
Math
Question: A square painting measures 2 meters on each side, what is the area of the painting in square centimeters?
asked by Cameron 
calc urgent
Note that f is continuous on (−∞, 6) and (6, ∞). For the function to be continuous on (−∞, ∞), we need to ensure that as x approaches 6, the left and right limits match. First we find the left limit. lim x→6− f(x) = lim x→6− (cx2 + 3x)
asked by Anonymous 
7th Grade Science Help Please
For his science project, Austin wants to determine if the pH of standing rainwater and places it indoors in a spot that does not receive a lot of sunlight to limit evaporation. Using a pH testing kit, he measures the pH of the water once a day for 20 days.
asked by MusicLover14 
Math
1. Two angles whose sides are opposite rays are called _____ angles. Two coplanar angles with a common side, a common vertex, and no common interior points are called ____ angles. A. Adjacent; vertical B. adjacent; complementary C. vertical; adjacent D.
asked by tim 
Physics
Two airplanes leave an airport at the same time. The velocity of the first airplane is 730 m/h at a heading of 44.6 degrees. The velocity of the second is 610 m/h at a heading of 100 degrees. How far apart are they after 2.3 h? Answer in units of m.
asked by Jeff 
maths
Four bells tolls at an interval of 8,12,15 &18 second a respectively. How many times will they toll together in one hour excluding the one at the start?
asked by sanjay 
ALGEBRA
if a bottle holding 3 liters of milk contains 3.5% butterfat,How much skimmed milk must be added to dilute the milk to 2% butterfat
asked by vincent 
earth science
Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible? Stars never really die. The death is a black dwarf star. This type of death triggers the birth of a new star. The death
asked by korey 
Math
Josephine wants to put a wallpaper border around the ceiling of her room. Do mentions are shown below. How many feet of border does she need? 10 10 9/12 feet and 8 1/2 feet
asked by Anonymous 
ALGEBRA
Mae open her coin purse and found pennies,nickels and dimes with a total value of $2.85.If there are twice as many pennies as there are nickels and dimes combined.How many pennies,dimes and nickels are there if she has a collection of 90 coins given:
asked by vincent 
physics
A ball is kicked with an initial velocity of 16.1 m/s in the horizontal direction and 14.4 m/s in the vertical direction. What maximum height is attained by the ball?
asked by Urgent 
Chemistry
Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2Mg(s)+O2(g)¨2MgO(s) When 10.2 g Mg is allowed to react with 10.6 g O2, 11.8 g MgO is collected. Determine the theoretical
asked by Keishaun 
History
Which of the following best describes William Penn's vision for living in America? He plotted to change the customs and religion of the Native Americans. He wanted to practice ideals such as religious freedom and toleration.*** He envisioned building large
asked by Please check 
8th Grade Honors History
2. A piece of decorated pottery from the Woodland Era is considered (1 point) a fossil an artifact.** a hieroglyph. a chert 8. During which period of time was the first pottery made? (1 point) Archaic period** Mississippian period Paleo period Woodland
asked by HardWorker Ms. Sue PLEASE HELP!!!! 
Physics  URGENT
A water balloon is launched at a speed of 23 m/s and an angle of 36 degrees above the horizontal. The water balloon hits a tall building located 20 m from the launch pad. At what height above the ground level will the water balloon hit the building?
asked by Anonymous 
Physics
A basketball player throws the ball at a 47degree angle above the horizontal to a hoop which is located a horizontal distance L = 8.4 m from the point of release and at a height h = 2.7 m above it. What is the required speed if the basketball is to reach
asked by Ido 
Math
Which of these numbers is the smallest? 0.24, 0.02, 0.11, 2, 0 (Is 0 considered to be the smallest number here?)
asked by Dan 
Physics
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.60km/h. The child is 0.615km from shore and 0.815km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximum speed of
asked by Lash 
Physics
A ball on the end of a string is whirled around in a horizontal circle of radius 0.300m. The plane of the circle is 1.19m above the ground. The string breaks and the ball lands 1.91m (horizontally) away from the point on the ground directly beneath the
asked by Lash 
Logarithm help
Use logarithms for these questions After every 10 pages of painting, the ribbon in the dot matrix printer loses about 0.5% of its ink. A) What percent of the ink is left in the ribbon after printing 100 pages and 1000 pages B) write an equation which
asked by Bob 
physics
A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time tTO needed to take off?
asked by Aly 
math
a class of 80 is 25% girls. if 10% of the boys and 20% of the girls attended a picnic , what percent of the class attended ?
asked by mahadi 
Chemistry
i have to round each to 3 significant figures, then to one significant figure, in standard form, how? a) 87.073 m b) 4.3621 x 10^8 m c) 0.01552 m d) 9009 m e) 1.7777 x 10^3 m f)629.55 m
asked by sheryl 
Math
The five sales people at Southwest Appliances earned commissions last year of $13,000, $22,000, $47,000, $15,000, and $24,000. Find the mean commission.
asked by Jacqueline 
calcc
Note that f is continuous on (−∞, 6) and (6, ∞). For the function to be continuous on (−∞, ∞), we need to ensure that as x approaches 6, the left and right limits match. First we find the left limit. lim x→6− f(x) = lim x→6− (cx2 + 3x)
asked by Anonymous 
Algebra
Choose the best definition for the following term: substitution A letter that holds the place for some unknown value in mathematics A process where you must look for terms that have identical variable parts and then combine their coefficients A process
asked by Oscar 
physics
A child on a sled (total mass 41 kg) slides down a hill inclined at an angle θ = 22° at a constant speed 3.5 m/s. (a) How long does it take the child to travel 40 meters down the slope? (b) What is the frictional force on the sled? (c) What is the
asked by Manny 
Math
1.MO bisects LMN, m LMN=6x28, m LMO=x+34. Find m NMO. A) 46.4 B) 92.8 C) 63 D) 58 Is the answer A?
asked by Tim 
Math
Miguel's grandparents live 159 miles from his house. If it takes 3 hours to drive to his grandparents house what is the average speed?
asked by Anonymous 
vocabullary
Alienate and Estrange A. Synonyms B. Antonyms C. Neither
asked by sidney 
Algebra
1. Find the quotient 7 divided by 14/13 A.2/3 B.98/3 C.1/2 D.3/2
asked by Charlie 
Physics
A car start from rest, moves with uniform acceleration and attains a velocity of 72km/h in 1.5 s it moves with uniform speed for 20 s and is then brought to rest in 10 s under uniform retardation, then total distance travelled using velocity time graph
asked by Devyani 
Chemistry
If 2.0 mol of propane are burned (reacted with oxygen), how many moles of carbon dioxide will be produced? C3H8 (g) + 5 O2(g) → 3 CO2 (g) + 4 H2O (g) I just want to make sure the answer is 6 mol of CO2 will be produced.
asked by Ashley 
english
Most of the time, the ____ struggles against the main character in a story. A) protagonist B) antagonist C) flat character D) round character
asked by chris 
Physics
A river flows with a uniform velocity v. A person in a motorboat travels 1.21km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 52.6min and then returns
asked by Lash 
math
ms.sue dumb dumb but hole? yes you r.
asked by tu 
Math
1. _____ Two points are collinear. A. Any B. No C. Sometimes Is the answer A?
asked by tim 
PHYSICS
The position of a particle moving on a smooth horizontal floor is given as a function of time according to the equation x=ut+1/2at^2. At time t=0, the particle has the velocity u. Obtain an expression for the velocity as the function of time. Hence, find
asked by BARNABAS 
math
simplify the expression (3)4 81 81 12 12 I think it is 12
asked by lost 
physics
A particle accelerates from rest at a uniform rate of 3 m/s^2 for a distance of 200m. how fast s the particle going at that time? how long did it take for the particle to reach that velocity?
asked by karen 
Algebra
Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 25 hours, and on the trip back averaged 55 mi/h. She returned home 40 hours after leaving. How many miles is City A from City B
asked by MOHAMMED 
math
Rosa invested $8000 for one year, part ast 8% annual interest and the balance at 10% annual interest. Her total interest for the year was $700. How much money did she invest at each rate?
asked by veerta 
ALGEBRA
In three more years,Miguel's grandfather will be six times as old as Miguel was last year.When Miguel's present age is added to his grandfather's present age, the total is 68.How old is each one now?
asked by vincent 
Math
Josephine wants to put a wallpaper border around the ceiling of her room. The dimensions are 10 9/12ft and 8 1/2ft How many feet of border does she need?
asked by Anonymous 
Chemistry
Prepare 45.00ml of 0.125M gold III chloride solution, given 500.00ml of a 0.500M gold III chloride solution. Explain how you will prepare the solution
asked by Anonymous 
Math
Find the effective rate of interest for 5% compounded monthly.
asked by julie 
college algebra
The total yearly food bill for a family of four is $9395.59. To the nearest cent, what is the mean weekly food bill?
asked by Jacqueline 
Logarithm help
Use logarithms for these questions After every 10 pages of painting, the ribbon in the dot matrix printer loses about 0.5% of its ink. A) What percent of the ink is left in the ribbon after printing 100 pages and 1000 pages I have no idea how to solve this
asked by Joe 
World History
World History Unit 3 Portfolio What’s the Difference: Civilization Comparison and Contrast Does anybody know what this is i really need help PLEASE!?
asked by dez 
Logarithm help
Solve to the nearest thousandth. 5^1+x = 2^1x
asked by Bob 
Computer program
Need to know if I have it right or not in the program please . Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function
asked by Poohboi 
ALGEBRA
The man gave 1/2 of his money to his brother,1/6to his friend and the remainder an amount of P150,000 which he kept.How much money does the man originally have?
asked by vincent 
math
could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = 2 Add ‘19’ to each side of the equation ~ 19+19+3x= 2+19 Combine like terms~ 19+19=0 0+3x= 2+19 3x= 2+19 Combine like terms~ 2+19=17 3x=17 Divide each side
asked by Abby 
Physics
An airplane flies at an airspeed of 445km/hr. The pilot wants to fly 785km to the north. She knows that she must head 18.0° east of north to fly directly there. If the plane arrives in 1.97hr, find the magnitude of the wind velocity vector.
asked by Lash 
organic chem
moles are in 1.30 mL of acetic anhydride given that the density of acetic anhydride is 1.08 g/mL and the molecular weight is 102 g/mol?
asked by Anonymous 
Math
Tate has bag of golf balls: 3 red, 5 blue, 2 yellow, and 2 green. What is the probability that he pulls out a red one, replaces it, and then pulls out another red one?
asked by Joe 
math
This year Gloria's garden is one foot wider and three feet shorter? What were the dimensions of the garden last year?
asked by Lucas 
Logarithm help
using logarithms to solve exponential equations. 5^1+x = 2^1x I need exact numbers. I did one on my own already. 5^x1 = 9 5^x1 = 9 log(5^x1) = log9 (log5)(x1) = log9 x1 = (log9/log5) x= (log9/log5)1 x = 2.3652
asked by Joe 
chemistry
would NBr3O be polar or nonpolar?
asked by paul 
Maths
What is the HCF / GCF of 120, 180 and 190 in prime factorisation method
asked by Ganesh 
ALGEBRA
Sue is 8 years older than her pet goldfish Maya .In two years Sue's age will be three times Maya's age .What are their present age?
asked by vincent 
English
What rhyme scheme is used in the excerpt from Ballard of Birmingham by Dudley Randall
asked by Toney 
Social studies
True or false To accurately label exact locations on a map, geographers go to that specific location. If false what is correct answer
asked by Niki 
maths
At the party Jade ate less than four jelly beans. Nicole ate twice as many jelly beans as Jade. Kahlee had twice as many as Nicole. Chris had two more than kahlee. Chris ate ten jelly beans. How many jelly beans were eaten at the party?
asked by dana 
algebra
The denominator of a fraction is 4 less than the numerator .If the denominator is doubled and the numerator is increased by 6,the sum of the original fraction and the new one is 3 .Find the original fraction.
asked by vincent 
ALGEBRA
If a jeweller wishes to form 12 ounces oif 75%pure gold from substances that arev 60% AND 80% pure gold .How much of each substances must be mixed together to produce this?
asked by vincent 
Math
Find the mean, median, and mode. Round to the nearest tenth when necessary. 1) Given these board lengths: 20.2, 1.2, 5, 5.8, 16, 20.2, 5, 1.2, 20.2, 20.2
asked by Jacqueline 
Siminza high school
Discuss three practical measures to deal with this environmenta issue that causes I'llhealth on a personal level
asked by Njabulo Radebe 
English
I was just reading the "Modest Proposal" by Jonathan Swift when I read something that seem ironic. The narrator said that women were "breeders" or "dams" but then the last sentence of the last paragraph states that he has a wife past childbearing age and
asked by Amy 
Math
Simplify the expression. 1/2(6x8)(5x3) a)3x4 b)3x8 c)2x5 d)2x1 Thanks!
asked by Alexander 
physics
In college softball, the distance from the pitcher's mound to the batter is 43 feet. If the ball leaves the bat at 105 mph, how much time elapses between the hit and the ball reaching the pitcher? I figured out how many ft there would be in a second, but
asked by Laura 
physics
The thermal energy stored in 1 kg of gasoline is about 10,000 kcal (42,000,000 J). A small car needs a forward force of about 500 N to move slowly at a constant speed on a leveled road (no change in ME). How far should the car go if all the energy stored
asked by Jane 
physics
If the print area of each tire of a car is 24 inch2 and the tire pressure is 30psi, what the weight of the car in pounds?
asked by ryan 
Math
How long does it take for an investment to triple in value if it is invested at 9% compounded semiannually?
asked by Faye 
math
3/14 of rosebuds in a garden bloomed yesterdday and 2/5 of the remaining rosebuds bloomed today.66 rosebuds have not yet bloomed.how many rosebuds were there in total? how many rosebuds bloomed today?
asked by lakshmi 
Chemistry
It says to convert 19.3 Inches to Centimeters. How do I figure this out? I know 1 Inch = 2.54 Centimeters.. The answer is 49.02 because I did online conversions but how do I arrive to my answer? What do you do?
asked by Jake 
Algebra
the base of a cylinder is a right triangle topped by a 60 degrees sector of a circle, as shown. if the dimensions are in meters and the height of the cylinder is 8 meters, what is the volume of the cylinder?
asked by Lana 
Probability
hundred people apply for three jobs. 110 of the applicants are women. (a) If three persons are selected at random, what is the probability that two are women? (Round the answer to six decimal places.) 3C2(110/400)^2(290/400)=0.164484 wrong answer
asked by Anonymous 
statics
a study was conducted in which the teachers were asked to rate students for particular trait on a ten point scale.with the help of data given below find out whether significant difference exists in the rating of the students by the teachers. teachers
asked by eswar 
Science
Find the gravitational acceleration if a spaceship at a distance equal to double of earth's radius from the centre of the earth (g on earth is 9.8 m/s)
asked by Gautam pandey 
Physics
A student walks from her apartment a distance d=139m to the bus stop at a speed of v1= 1.40m/s. The she realizes that she has forgotten her crib sheet for her exam and so runs back to her apartment to pick it up and returns to the bus stop at a speed v2=
asked by Janine 
Maths
What is the HCF / GCF of 120, 180 and 190
asked by Manasvi 
Verbales (sacar fórmula)
Una firma de inversión tiene $100.000 para invertir de un cliente y decide invertir en dos fondos, A y B. La tasa de rendimiento esperada, o interés simple, por el fondo A es de 15%, pero hay riesgo, y el cliente no quiere invertir más de $50,000 en
asked by Manuel 
Trigonometric functions
Prove that 2pi is the minimum period of f(x) = cos (x)
asked by Anonymous 
Algebra
I would appreciate an explanation of how to simplify this question. Write the fraction as a difference. 3x7  12
asked by Madison 
math
Can someone help me with these questions?? I really can't figure it out. Please help me I really need it... I have to write an equation to represent these reallife situations in which the variable is on the left side of the equation with an operation and
asked by Abby 
Science
how can models help in science, why they are important, what and some examples of models.
asked by Iris 
Accounting Principles I
I have been trying to figure this out forever and just can't. Here is the problem: Reported sales of $300,000 writeoffs of uncollectible accounts of $10,000 against the allowance for doubtful accounts and a decrease in net accounts receivable of $40,000
asked by Steph 
HISTORY PLEASE HELP
which of the following factors most contributed to the flourishing of great civilization in Africa between 4001600 a) the spread of Christianity to sub Saharan nations b)extensive trade with north Africa, Arabic, and Portuguese trading partners c) the
asked by Tay 
Algebra 2
Determine whether each of the integers from5 to 5 are is a solution of the inequality I x5 I+3>5.
asked by Shiba 
Maths
What is the HCF / GCF of 120, 180 and 190 as per prime factorisation. Please explain in depth....
asked by Manasvi 
physics
a car moves at a constant speed of 60 km/hr for 1 km and 40 km/hr for 1 km.what is average speed of car?
asked by tushar 
algebra
A compact car is driven 144mi. If it had traveled 4mph faster, it could have made the trip in 1/2 hour less time. What was the speed of the car?
asked by Laure 
Math
The circumference of a certain circle is doubled. By what factor is its area increased?
asked by Anonymous 
Algebra
Simplify the expression (7+5)+4*132 I would like an explanation on how to do this question if you can:)
asked by Madison 
Rectangle
The length and width of a rectangle are integer.if the area is larger than its perimeter by 9 find the perimeter???
asked by Edward 
Math
Use a calculator to find sin 217 degrees. 0.6018?
asked by Anonymous 
Chemistry
if a cooler has 63 kg of ice how much energy is required to melt it at 0 degrees celcius? The heat fusion for water is 80 cal/gram
asked by Ali 
Chemistry
Katie measures the mass of a chunk of gold to be 9.67 g. The accepted mass of the gold chunk is 9.82 g. How would I calculate the percent error and report my answer to two significant figures?
asked by Jake 
industrial process
if 100 grams of water is at 100 degree celcius are poured into 100 grams turpentine at 9 degree celcius and the resulting temperature found to be 70 degree celcius. what is the specific heat of the turpentine?
asked by ghie 
Logarithm help please
Express y as a function of x. What is the domain? Explain your answer. log4y = x + log4 Solving exponential equations with logarithms Solve to the nearest thousandth. 5^1+x = 2^1x
asked by Joe 
math
solve 2x3 +4r2 if r=1 and s=5 is it 25x25x25=15625 42x42= 1764 156251764=13861 I think I got it
asked by lost 
Physics
A boy threw a rock straight down from a tree top with a velocity of 5.00 m/s. If the rock struck the ground below 1.80 s later, what was its velocity at this time?
asked by Kali 
Math
Use a calculator to find cot 175 degs. 11.43?
asked by Anonymous 
Math
12/3x(8+(4)^26)+2 How do I get the answer of:6?
asked by Shawn 
Government
Which level of government is better able to provide specific goods or benefits? a, City b, County c, State d, United States e, A, B and C is the answer to this question (c) State, or (E).
asked by Camren 
French
Can someone check these sentences for grammar and context? 1. Tu n'as rien (as in you don't have anything). 2. Nous ne voulons acheter rien dans ton magasin (as in we don't want to buy anything in your store). 3. Tu ne peux pas aider moi (as in you can't
asked by Anonymous 
Chem
Precision, Accuracy, and Percent Error: _______________________________________ Suppose a student measures the volume of an aluminum block three times and records the following data: 8.42 cm^3, 8.41 cm^3, and 8.40 cm^3. The accepted volume of the aluminum
asked by Paige 
Logarithms
Express y as a function of x. What is the domain? Explain your answer. log4y = x + log4
asked by Anonymous 
Criminal Justice
Whitecollar crime became a focus in the American criminal justice system in which century?
asked by Micky 
Maths
What is the HCF / GCF of 120, 180 and 190 in prime factorisation method
asked by Manasvi 
Science
How can you evaluate scientific claims? NEED HELP!
asked by Iris 
English
I put a cockroach killer under the table. Watch out for the baby not to touch it, Some cockroach medicine is in the cabinet beneath bottles. The cockroach killers are in a small plastic containers. =========================== Are the sentences grammatical?
asked by rfvv 
mathematics
an Ap has fourth term 8 and 17,find the first term
asked by chipie 
Physics
A student walks from her apartment a distance d=139m to the bus stop at a speed of v1= 1.40m/s.
asked by Janine 
r n
if two forces acting on a body at angle ¤ to each other and exerts a force of 20N,their resultant is 30N.what is the angle between them?
asked by aks 
Math
2 water pipe inlets pumping water into a tank. Pipe "A" fills up the tank in 30 minutes. Pipe "B" fills up the tank in 90 minutes. Assuming both pipes are on. How long it will take to fill up the tank.
asked by Ahmad 
trigonometry
π/10 = (0.95, 0.31) 3π/10 = (3/5, 4/5) 20° = (28/30, 10/30) are these correct? tan 70° = 28/10 csc 21π/10 = 1/0.31 sec 17π/10 = 5/3
asked by anon 
chemistry
atmospheric temperature changes the state of these things, but i do not know to what? diamond, mercury, oxygen, clay, neon, and cooking oil?
asked by anon 
Biochemistry
1. Describe the ran world hypothesis 2. A) list the types of non covalent interactions that are important in providing stability to the three dimensional structures of macromolecules. (B) why is it important that these interactions be noncovalent , rather
asked by Viv 
algebra
Variables that must be excluded from 2y^2+7y30/y+6
asked by Jack 
Chemistry
what is the following's states at atmospheric temperature? 1. diamond 2. mercury 3. oxygen 4. clay 5 cooking oil 6. neon
asked by john 
Maths
What is the HCF / GCF of 120, 180 and 190 in prime factorisation method
asked by Manasvi 
industrial process
the exhaust gases from an oil engine are passed through a water heater. the gasses have a specific heat of 1.0467KJ/kgK and the temperature falls from 420 degree Celsius to 150 degree Celsius is flowing through the heater. the flow being 25 Kg/min. if the
asked by ghie 
find the area of the rectangle
84cm And 19cm?
asked by bobby 
Chem
Joe bought a 2.08 * 10^4 pound tractor trailer to transport his world famous birthday cakes around the country. How many tons was the tractor trailer?
asked by Paige 
math
Which of these numbers is irrational? check mark sign 3 0.25 1/5 check mark sign 9 I think it is the first one
asked by Lost 
English
What is the theme of Ballard of Birmingham byDudley Randall
asked by Toney 
Psychology
How would a correlation .68 look on a scatter diagram?
asked by Pauline Brown 
spelling
Create a sentence for the following words for a 6th grader: 1. partisanship 2. preconceived 3. subjective 4. blithe
asked by f 
University of the Philippines
What is a mole of 31.8%k 29.0%Cl 39.2%O ?
asked by Xhei 
Trigonometry damon plz help
If the angle of a h meters long tower is in a straight line between two observers A and B angle of elevation of the top of the tower from A and B are alpha and beta respectively and AB=D meters find h/d
asked by Edward 
circle trigonometry
sin θ=2/3 and θ correspond to a point in quadrant 2. cos θ=
asked by anon 
zphs
In a right angle two side are 9m and12m what would be third side?
asked by ramu 
shaw
Which is a property that can be used to identify matter?
asked by Anonymous 
science
need to about cells HEL:P
asked by Cutiepie 
Division:jus confuse
Find the remainder? when 2^2011 is divisible by 13
asked by Edward 
Differentitate:calculus
Differentitate:X^2.sinx/(x+1)(x^21)......???
asked by Edward 
French
Elle vont à l'extérieur du magasin. Can this be a way to say, "They are going outside the store/shop"?
asked by Anonymous