Questions Asked on
April 19, 2016

Science Electric and Magnetic Potential Energy
1. At which position will the bar magnets most likely experience the least magnetic potential energy between them? D  position 4 2. A positively charged test object is moving toward the positive source charge in an electric field. B  It's potential
asked by ImLegit 
Math
An airplane pilot over the Pacific sights an atoll at an angle of depression of 7°. At this time, the horizontal distance from the airplane to the atoll is 3,729 meters. What is the height of the plane to the nearest meter? 458 meters 454 meters 3,667
asked by Tim 
Math
1. To find the height of a pole, a surveyor moves 120 feet away from the base of the pole and then, with a transit 8 feet tall, measure the angle of elevation to the top of the pole to be 36*. to the nearest foot, what is the height of the pole? A) 87
asked by Tim 
ChemistryDr.Bob222
A 25.0 mL sample of 0.125 M pyridine is titrated with 0.100 M HCl. Calculate the pH at 0 mL of added acid.
asked by Nevaeh 
Math
About 8% of the population of a large country is nervous around strangers. If two people are randomly selected, what is the probability both are nervous around strangers? What is the probability at least one is nervous around strangers?
asked by Anonymous 
science
when copper metal is added to silver nitrate in solution, silver metal and copper (II) nitrate are produced. what mass of silver is produced from 100.g Cu?
asked by Sandy 
Math
7 10 of your friends prefer to take a math test on Friday. 7 20 prefer Friday and Wednesday. What fraction of those who prefer Friday also prefer Wednesday?
asked by Cing 
math
Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.
asked by jai anyone please help 
Math pls help me
A dance school has 54 students who learn salsa and 23 of those students also learn ballet. There are 15 students who do not learn salsa but learn ballet and 10 students do not learn either salsa or ballet. Which table best shows the relative frequency of
asked by Oscar 
Math
The distance around the Earth at the equator is about 40074 kilometers find the equatorial diameter of Earth to the nearest kilometer A.12,762 Km B.25,512 Km C.62,884 km D 6,339,700 Km
asked by Applesuace Master 
Algebra
A campground consist of 10 square campsites arranged in a line along the beach the distance from the edge of the campsite to the water is 4 yards the area of the campground including the beach Is 1050 yd.² what's the width of one campsite
asked by Michelle 
Maths
Simplify under root (12+6 root 3) + under root (12 6 root 3)
asked by Pranjali 
Language Arts
The poem I'm reading is "The Importance of Being Earnest" by Oscar Wilde 1. Which sentence from the passage provides the best expression of the theme? a. "its perfectly easy to be cynical." b. "... once a week is quite enough to dine with one's own
asked by Night_Fury101 
Geometry URGENT PLEASE HELP!!
Medians $\overline{AX}$ and $\overline{BY}$ of $\triangle ABC$ are perpendicular at point $G$. Prove that $AB = CG$. In your diagram, $\angle AGB$ should appear to be a right angle.
asked by Sarah 
physics
A 0.280 kg croquet ball makes an elastic headon collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic
asked by GG 
Math
1. In triangle DEF, m angle D=45, m angle E=63, and EF=24 in. What is DE to the nearest tenth of an inch? A) 30.3 in. B) 15.1 in. C) 32.3 in. D) 10.5 in. Is the Answer A? I'm not quite sure though since i'm confused on this question. If someone could help
asked by Tim 
Life orientation
What are the six ways that human violation influences individual groups and broader south african community
asked by Meisie 
math help pls pls pls
The table below shows the age of some participants in a quiz competition and the number of questions they could answer correctly: Age (years) (x) 15 21 17 22 16 19 18 Number of questions they could answer (y) 17 17 17 17 17 17 17 What is the correlation
asked by Oscar 
physics
A stationary bicycle is raised off the ground, and its front wheel (m = 1.3 kg) is rotating at an angular velocity of 12.3 rad/s (see the drawing). The front brake is then applied for 3.0 s, and the wheel slows down to 3.3 rad/s. Assume that all the mass
asked by nj 
Physics
An electric field measured near a point charge of 3.0 X 10^6 C has a strength of 1.50 X 10^5 N/C How far is the point from the source charge
asked by John 
P.E Health
Which one best describes comparison shopping? A. You are trying to decide if you should buy the size 5 levi's shorts either in blue or black. B. You cannot decide between the quarter pound with white cheese and all the toppings or the one with yellow
asked by Physical education 
Geometry
In $\triangle ABC$, we have $AB = AC = 13$ and $BC = 10$. Let $M$ be the midpoint of $\overline{AB}$ and $N$ be on $\overline{BC}$ such that $\overline{AN}$ is an altitude of $\triangle ABC$. If $\overline{AN}$ and $\overline{CM}$ intersect at $X$, then
asked by Gill 
Chemistry
If a tire can hold 19L of air at 175 kPa and 25° C, what volume of air can the tire hold at 215 kPa and 30° C? Possible answers: A. 13.7 L B. 15.7L C. 23.0L D. 19L
asked by Anonymous 
science
To conserve water, an animal's kidneys can pump ions across cell membranes, allowing water to move by
asked by Steve 
Math
if the perimeter of a rectangle is 120 units what is its area in square units
asked by Apple 
math
Which statements are true for irrational numbers written in decimal form? A. Irrational numbers are nonterminating. B. Irrational numbers are repeating. C. Irrational numbers are nonrepeating. D. Irrational numbers are terminating.
asked by Claire 
Chemistry
Estimate the value of the equilibrium constant at 500 K for each of the following reactions. 2H2S(g)⇌2H2(g)+S2(g) I have calculate my delta H which is 168.9 kj/mol but I don't know where to go from there
asked by JoAnna 
Algebra
I'm doing Permutations. Simplify 9! a.45 b.362,880 c.265,456 d. 125,396 I think it's a.
asked by Shyann 
math
the length of a rectangle is 23 centimeters less than five times its width. Its area is 42 square centimeters. Find the dimensions of the rectangle
asked by Leticia 
U.S. History (Check)(REED)
1. What day was the attack on Pearl Harbor? A: The attack on Pearl Harbor took place on December 7, 1941. 2. Why was the attack so devastating for America? A: The Pearl Harbor attack was so devastating for America because most of the U.S. Navy was
asked by Victoria 
Math
A bag contains 3 gold marbles, 10 silver marbles, and 21 black marbles. Someone offers to play this game: You randomly select on marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1.
asked by Anonymous 
English
English is the language of opportunity why bother to teach indigenous languages?
asked by Thulicious 
math
Lines a and b are parallel. When they are cut by transversals, they form a triangle. es0251.jpg What is es0252.jpg es0253.jpg
asked by chris 
Math
If a seed is planted, it has a 75% chance of growing into a healthy plant. If 7 seeds are planted, what is the probability that exactly 3 don't grow?
asked by Anonymous 
English
African slaughter ritual should be allowed in the suburbs
asked by Latoya Inga mkhosana 
English
African slaughter rituals should be allowed in the suburbs?
asked by Ntethy 
math
Ashwin and Donald decided to set out from two towns on their bikes, which are 247 miles apart, connected by a straight Roman road in England. When they finally met up somewhere between the two towns, Ashwin had been cycling for 9 miles a day. The number of
asked by blodwick 
chemistry
Calculate the standard entropy change for the reaction of calcium oxide with water to form calcium hydroxide: CaO(s) + H2O(ℓ) → Ca(OH)2(s) at 298 K. ∆S ◦ m ∆H◦ f J K·mol? kJ mol? CaO(s) 39.75 −635.09 H2O(ℓ) 69.91 −285.83 Ca OH 2(s) 83.39
asked by Anonymous 
History
Design a newspaper article to warn people against engaging in fraud and corruption
asked by Smylinah 
Geometry PLEASE HELP!!
Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.
asked by Bill 
life orientation
identify your human rights violation or discrimination and explain in and introductory paragraph why you choose the specific human rights violation or discrimination
asked by Fhumulani 
advanced calculus
Many carnivals have a version of the double Ferris wheel. A large central arm rotates clockwise. At each end of the central arm is a Ferris wheel that rotates clockwise around the arm. Assume that the central arm has length 200 feet and rotates about its
asked by please help me 
Physics helpppp
250 g ball of putty moving horizontally at 9 m/s collides with and sticks to a block lying on a frictionless horizontal surface. If 20%of the kinetic energy is lost, what is the mass of the block? What i did Mass1 = 0.25 kg Mass 2 =? Kinetic initial =
asked by PHYSICSSSS HELP 
Math
Talia tossed a penny many times. she got 40 heads and 60 tails. she said the experimental probability of getting heads was 40 over 60. Explain and correct her error.
asked by Emily 
Help me please my daughter math
Each week Susie washes dishes three nights,washes clothes one night,empties trash cans two nights,and cook supper one night.If her Aunt Nancy stopped by randomly one night,what are the chances that Susie would be cooking that night??
asked by Jena 
english
English is the language of opportunity why bother to teach indigenous language
asked by Anonymous 
Chem
When 3.00 g of butane, C4H10, are combusted in a calorimeter containing 800. g of water, the temperature of the water changes by 44.4 °C. What is the heat of combustion of butane in kilojoules per mole? The molar mass of butane is 58.123 g/mol. The
asked by Amber 
Physics
A child sitting 1.80 m from the center of a merrygoround moves with a speed of 1.45 m/s . Calculate the centripetal acceleration of the child.Calculate the net horizontal force exerted on the child. (mass = 28.5 kg )
asked by Brittney 
calculus.can you help me on these as well@sir collins
integrate sin^7xdx
asked by newton 
preap chemistry
how to make 100 mL of a 0.500 M CuSO4 solution
asked by Anonymous 
Geometry
Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?
asked by Sally 
life orientation
critically discuss 6 ways that the human rights violation influences individual , groups and broders south african community
asked by mudau phathu 
life orientation
critically discuss 6 ways that the human rights violation influences individual , groups and broders south african community
asked by mudau phathu 
life Orientation
Identify your 3 human rights violations or discriminations and explain in an lntroductory paragraph why you choose the specific human rights violation or discrimination.
asked by Lizzy 
Chemistry  OxidationReduction reactions
how would your calculation of the molarity of KMnO4 be affected if you had added twice as much sulfuric acid and water as was called for in the procedure?
asked by Anonymous 
AP English
I was assigned to read this and then answer 10 multiple questions. I'd be really happy if someone would check over my answers. Thanks! Reading: 1 I would fain say something, not so much concerning the Chinese 2 and Sandwich Islanders as you who read these
asked by Heinkel 
Life orientation
Make 12 suggestion on how to combat the violation of human rights
asked by Itumeleng 
ENGLISH
WHY SHOULD TRADITIONAL HEALERS BE ALLOWED TO PRACTISE AND PRISCRIBE MEDICINE IN HOSPITALS AND CLINICS
asked by xolANI 
Social Studies
1. In the civil War, for the first time, thousands of Women served as____. A. Soldiers B. spies*** C. generals D. nurses 2. "Peace Democrats" became known as______. A. war hawks*** B. rebels C. copperheads D. radicals 3. What guarantee gives accused
asked by bunny64 
Math
How many 1/3 cup servings of juice are in a 5 cup container?
asked by Anonymous 
Chemistry
Which pair of compounds will form a solution?Benzene (C6H6) and hexane (C6H14)Na2SO4 and benzene (C6H6)NaCl and hexane (C6H14)H2O and CCl4More than one of the combinations above will form solutions.
asked by Kelly 
sciencecollege physics
2. A certain wire of length L, crosssectional area A is extended by an amount ‘e’ by a force F. Given that the young’s modulus of the material of the wire is E, Show that the; a. Energy stored in the wire is given by the expression (5) b. Energy per
asked by hamunyela morga 
statistic
There are 20 students in a class. Six of them have blue eyes and nine have brown eyes. You were asked to choose 2 students without replacement. What is the probability of choosing an student with blue eyes followed by a student with brown eyes?
asked by Anonymous 
math
a boy travels 15 km due north,then goes 9 km due east,then 3km due south.how far is he from his starting point
asked by chinaza 
Geometry
Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?
asked by Sally 
language art
What principal part is the main verb? The puppy is tearing his toy into many pieces. A. past B. present participle C. present D. past participle
asked by saisah 
Life orientation
Three human rights violation or discrimination an explain in an introductory paragraph why you choose the specific human rights violation or discrimination
asked by Charmaine 
Math
Which of the following is a true statement? it is possible for two rectangles to have the same area, but only if they have the same perimeter. It is possible for two rectangles to have the same area without having the same perimeter. *** It is possible for
asked by Sally 
physics
A car with a mass of 1100kg can accelerate on a level road from rest to 2m/s in 14sec.what is the steepest slope this car can climb.(hint:the plane is smooth.)
asked by lily 
math
Glenn raced his motorcycle 30 times last season. He finished first 12 times, second 5 times, and crashed in 9 races. What percent of the races did he finish second ? Set up as a proportion and solve
asked by jacob 
World History
What was the outcome of the Seven Weeks' War? (5 points) Austria won and reasserted herself as leader of Germany. Prussia won and reasserted herself as leader of Germany. France won and reasserted herself as leader of Germany. No one won. It was a
asked by Arianna 
life orientation
traditional african marriage is an advantage for men only not women.
asked by fanie 
Math
Mr.dean paints the top of a round picnic table. The diameter of the table iz 6 feet. The paint he usez comes in a can that covers 18 square feet of surface. How many cans of paint does mr.dean need to purchase to paint one coast on the top of the table?
asked by Vanessa 
math
97 is the largest prime less than 100. What is the largest prime factor of 97! (97 factorial)? (Reminder: The number n! is the product of the integers from 1 to n. For example, 5!=5*4*3*2*1= 120.)
asked by francis 
Calculus
Equation: Suppose that the demand of a certain item is x = 0.7 p + 20. Evaluate the elasticity at E = 8. I'm not sure what steps to take to solve this. I know that elasticity is equal to the absolute value of [(p/q) x (dp/dq)]
asked by James 
Chemistry
Balance the reaction stepwise: As2S3(s) + NO3^ + H^+(aq) to AsO4(aq) + S(s) + NO(g) + H2O(l)
asked by Subhan 
History
What is the History of the Collective Farm, Max Belov about? A: Great Depression B: Spanish Civil War C: Communist Economic Planning My answer is C. Is this correct? Thank you.
asked by Marylyn 
math algebra
An employee's new salary is $18,165 after getting a 5% raise. What was the salary before the increase in pay?
asked by lola 
Chemistry
Assuming the solution you used was 95% ethanol by volume and that the density of ethanol is 0.816g/mL, how much water and carbon dioxide are produced in the experiment? Equation: C2H6O+3O2>2CO2+3H2O
asked by BUTCHER 
trig
Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place.) a = 63, c = 50, ∠C = 53°
asked by jorge 
Physics
A 6 x10^6 point charge is .030 m from another point charge and experiences a repulsive fore of 180 N what is the magnitude of the other charge
asked by Tina 
Geometry
Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?
asked by Bill 
math
if a boy is 24 year younger than his father and after two years the sum of their ages will be 40.how old is the father?
asked by ramzan 
Chemistry
The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO−4 and the conjugate base is HPO2− 4. You want the concentration of the
asked by Emily 
math
In a tank, there is 100 liter of water before starting the taps. If each tap fills 25 liters per houIn a tank, there is 100 liter of water before starting the taps. If each tap fills 25 liters per hour and 5 taps continue to fill 4 hours and 4 taps for
asked by ramzan 
Math
Here it just says this: Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place.) b = 67, c = 33, ∠A = 70°
asked by Theo 
english
traditional african marrige is an advantage for men only not woman
asked by DJ LANGZA 
physics
A 9.94m ladder with a mass of 21.6 kg lies flat on the ground. A painter grabs the top end of the ladder and pulls straight upward with a force of 226 N. At the instant the top of the ladder leaves the ground, the ladder experiences an angular
asked by nj 
Math
One number exceeds another by 12 . if five times the smaller number is subtracted from three times the larger number the result is 20. Find the numbers
asked by Gian Carlo 
math
What is the greatest prime factor of 3105?
asked by francis 
Calculus
Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) limit n approaches infinity of an = e^(−6/sqrt(n))
asked by Misty 
pure maths,accounting,economics,business studies
Guys my problem is maths solve x and graphs
asked by xola sentile 
math
a university surveys a randomly selected group of 250 freshmen. In the group, 20 of the freshmen were lefthanded. If there are 8,000 in the freshman class, what is the best prediction fo the number of lefthanded freshmen students? THANK YOU!
asked by Tim 
Physics
In the Biomedical and Physical Sciences building at MSU there are 135 steps from the ground floor to the sixth floor. Each step is 16.0 cm tall. It takes 5 minutes and 40 seconds for a person with a mass of 63.9 kg to walk all the way up. How much work did
asked by Kevin 
Physics
Use the workenergy theorem to solve each of these problems. You can use Newton's laws to check your answers. Neglect air resistance in all cases.
asked by Bout 
Math
The perimeter of the rectangle is 120 units what is its area in square units L=3n W= n What formula do I use? A) 675 B) 900 C) 1225 D) 2700
asked by pizza 
math
The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 20 minutes. What is the probability that washing dishes tonight will take me between 15 and 16 minutes? Give your answer accurate to two decimal places.
asked by Anonymous 
math
Khalid is now four times as okd as his daughter. Ten years ago,if the sum of their ages was sixty. Find the present age of his daughter?
asked by ramzan 
math
$6350 is compounded semiannually at 14% for 12 years. What is the total amount in the compound interest account?
asked by holly 
math
Anthony has 7 bills. All the bills are tens or twenties. The bills Anthony has total $100 in value. How many of each hill does Anthony have? Pretty sure the solving method is solving systems of equations but you have to isolate the variables and stuff..
asked by claire 
Chemistry
Will 1 L of 1 M NaCl contain more chloride ions than .5L of 1M MgCl2? Explain.
asked by Jordan 
Math
A high school has 438 students with about the same number of males and females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.
asked by Emily 
Ethics
Things we are morally obligated NOT to do (e.g., lie, cheat, exploit others) can be termed: A. correlated duties. B. negative duties. C. positive law. D. positive duties. is it D
asked by Amy 
Math
Carlos and Krystal are taking a road trip from Greenville to North Valley.Each has their own map,and the scales on their maps are different. A. On Carlos's map,Greenville and North Valley are 4.5 inches apart. The scale on his map is 1 inch = 20 miles. How
asked by Jason 
MaThS LITERACY; GEOGRAPHY;TOURISM AND ECONOMIC
I passed matric in hig Cetificate so i want to be something but i don't know what ?
asked by LEBOGANG 
English rammar, Please correct my sentenced gramma
April 20,2016 Genecito Jimenez Lot 32 Blk 96 Bautista st. Zone 10 Dasmarinas City Cavite. tel: 0464725645 Dear Sir, Mrs. Maria Teresa P. Eleon is permanently staying in my apartment with her family and she is a good person in our community. Please kindly
asked by jess 
geomtry
The figures are similar. The area of one figure is given. Find the area of the other figure to the nearest whole number. The area of the smaller trapezoid is 771 m
asked by Anonymous 
math area
A rectangular tabletop is 4 ft long and 30 in. wide. Which is the area of the tabletop?
asked by Anonymous 
math
at night, a 6ft man is walking towards a 8ft lamp post at a speed of 3ft/sec how fast is his shadow changing?
asked by jake 
life orientation
why you choose the specific human rights violation or discrimination.
asked by Mogau 
Calculus (Urgent, please)
Find the area of the region enclosed by the intersection of the circle x^2+y^2=4 and the parabola y=x^2. Show work
asked by Alice 
Calculus
The Riemann sum s for f(x)=4x^2, 0
asked by Alice 
math
a book has bern sold at 10% loss for Rs 36.what was its origional price?
asked by ramzan 
US history
Ulysses S. Grant was not considered a popular president, even though he had been a popular war hero. Which statement describes why? A. He refused to work with Radical Republicans in Congress. B. His ability to lead was marred by scandal. C. He took a
asked by Anonymous 
classical mechanics
A projectile is launched down ward from the top of inclined plane of angle alpha in the direction making an angle beta with the incline. assuming the projectile hits the incline, find the expression for the range and determine the maximum expression for
asked by Henry 
Math
x2  4px +8
asked by Asive 
Statititics
Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20%
asked by bobb 
Physics
In the Biomedical and Physical Sciences building at MSU there are 135 steps from the ground floor to the sixth floor. Each step is 16.0 cm tall. It takes 5 minutes and 40 seconds for a person with a mass of 63.9 kg to walk all the way up. How much work did
asked by Kevin 
physics
A 43.0kg boy, riding a 2.20kg skateboard at a velocity of 5.30 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.00 m/s, 8.00° above the
asked by brad 
Polar, Cylindrical, and Spherical Coordinates
Let C be a circle that passes through the origin. Show that we can find real numbers s and t such that C is the graph of r = 2s*cos(theta + t) I think that I could start by writing it like R^2=(xh)^2+(yk)^2 where R is the radius of the circle, but I
asked by Katie 
english
traditional african marriage is an advantage for men only,not women
asked by slumo 
Chemistry
To completely react 17g of barium hydroxide, how many grams of hydrochloric acid is needed?
asked by Ellen 
physics
A capacitor A1B1 of capacitance C1=2microF is charged under a voltage U1=20V and then isolated. a) Calculate the voltage U (A1B1) between its plates, and it's charge Q1 and energy W1. b) The plates A1 and B1 are connected to those A2 and B2 of an uncharged
asked by angy 
Further maths
The first term of an AP is equal to thrice the common difference. What is the sixth term of the AP,if the common difference is 8
asked by Emmanuel 
working with children with disabilities
A teacher wants to know why Ben , a preschooler,wake up every morning at about 3.00 and refuses to go back to sleep .the teacher should.
asked by Ann 
goegraphy,tourism,mathlit,lifeorientation,agricult
what career path can I follow if I am doing the above subjects
asked by ntandoyenkosi 
science
find the resistance of a nichrome wire of length 2.2m& diameter 2mm.
asked by Samiksha 
math
A swimmer can swim a distance of 36 kilometer in the direction of water current in the same time, which he require to swim 36 kilometer in the opposite direction of water current in stream. If in still water, swimmer has speed of 12 kilometer per hour more
asked by ramzan 
math
Mike was bored so he played with some colored blocks arranging them in a role he put 1 block in the first row 2 blocks in the second roll, 4 blocks and the third row and 8 blocks in the fourth row. If this pattern continues, how many blocks will Mike put
asked by mike 
Chemistry
In a student's experiment, when 40 mL of 6% (w/w) hydrogen peroxide solution was reacted with 10 mL 0.5 M FeCl3 solution, a ΔrH of 3,382 J was calculated. Calculate ΔH for this reaction in kJ mol1. Give your answer to 2 decimal places, do not include
asked by Anon 
Math
Femi spent 1/4 of his money on transport, 2/5 on food and has #700.00 left. how much did he start with?
asked by Esther 
Chemistry
If a half life of a radioactive element is twelve years,find the decay constant
asked by Undie vickvieny 
Calculus
Let 𝑅 be the region bounded by the four straight lines 𝑦=𝑥, 𝑥+𝑦=4, 𝑦=𝑥−2 and 𝑥+ 𝑦 = 2. Find the surface area of the surface obtained by rotating the region 𝑅 about the 𝑥axis for 1 complete revolution.
asked by Desperate Student 
math
is apportionment the best way to achieve fair representation?
asked by sean 
math
femi spent 1/4 of his money on transportation, 2/5 of it on food and has #700.00 left. how much did he start with
asked by chima 
algebra
After 2009 2009 the sales of new cell phones without cameras began declining. The number of people y (in thousands) who bought a cell phone without a camera can be estimated by the equation y=−30x+270 y=30x+270, where x is the number of years after 2009
asked by Duran 
Math
57 is the product of 3 and Helena's savings.
asked by Paige 
US history
What long term cause led to South Carolina seceding from the United States? A. The Growth of the antislavery movement B. Debate over the expansion of slavery into the territories C. Increased sectional tensions due to new laws D. The breakdown of the I
asked by Anonymous 
Algebra. NEED HELP ASAP PLEASE
After 2009 the sales of new cell phones without cameras began declining. The number of people y (in thousands) who bought a cell phone without a camera can be estimated by the equation y=−30x+270 y=30x+270, where x is the number of years after 2009. a)
asked by Duran 
english
As a teenager, I was not obsessed about eating out. My family would eat at a restaurant at least twice a week. Every time we went anywhere, it was a challenge for my parents to find a suitable food and a nice quality restaurant. Fortunately, exception I
asked by girl 
School
The Robinson's have quite a lot of family pets. They have 3 times as many budgies as they have cats and there are a total of 30 legs between them. Complete the following statement. The Robinson's have ____cats and ____budgies. I need help, can someone show
asked by 88 
English
1. I will visit Paris this summer. 2. I shall visit Paris this summer. 3. I intend to visit Paris this summer. (Does #1 mean #2 or #3? Does 'will' mean a simple future or "a will"? 4. I like children. I will be a teacher. 5. I like children. I shall be a
asked by rfvv 
algebra
The Robinson's have quite a lot of family pets. They have 3 times as many budgies as they have cats and there are a total of 30 legs between them. Complete the following statement. The Robinson's have ____cats and ____budgies. I need help, can someone show
asked by 88 
Math
)ne canned juice drink is 25% orange juice; another is 55% orange juice. How many liters of each should be mixed together in order to get 20L that is 21% orange juice?
asked by Amber 
Chemistry
Use the collision theory to explain the increase in rates of the other reactions
asked by Rose 
Math
Mona takes out a $12,000 student loan to help pay for her first 2 years of college, then 2 years later needs another loan for $14,000 to get her through to graduation. She graduates 4 years and 9 months after acquiring the first loan, and payments are
asked by Anonymous 
Business Stats
Regression Analysis: Avg. Tot. Score versus %Takers, T/S Ratio Model Summary S Rsq Rsq(adj) Rsq(pred) 34.2385 79.91% 79.06% 76.83% Coefficients Term Coef SE Coef TValue PValue VIF Constant 1118.5 39.5 28.34 0.000 %Takers 2.547 0.187 13.62 0.000 1.05
asked by SARAH 
technology
You want to discard your old computer and want to securely erase the data from your hard drive. What can you use to do this and what is the process called?
asked by danielle 
math
find the product greatest four digit number and smallest three digit number using property of multiplication?
asked by shehzad 
Health
The lungs are? A. Connected by the mediastinum B. Separated by the mediastinum C. Divided into 7 lobes D. Divided into 9 lobes C?
asked by John 
Physcs
A circular parallel plate capacitor with plate radius 8.2cm and plate separation .15mm is connected in series with a 16V ideal battery and a 790 ohm resistor at t=0. At time t=2.4e6 seconds, what is the induced magnetic field that lies along the outer
asked by R 
Trigonometry
Solve: tan(2theta  34deg)= sqroot3; theta = [real numbers of degrees]
asked by Ballie 
History
Name two nations in Eastern Europe that were considered to be under Soviet Union influence after World War II? My answer...is Hungary and Poland. Are these correct? Name two new countries that exist after World War II, but not during World War I? My answer
asked by Marylyn 
child development
the continues development views hold that
asked by john 
History
Personal liberties were among the key ideas of the American Revolution. Given this fact, why did slavery continue after the American Revolution? A. The Southern plantation economy depended on slavery. B. The colonial government encouraged manumission. C.
asked by Noemi 
Calculus I
if f(x)=24, find f'(11)? How can i find it?
asked by Anonymous 
math
The Flying Zucchini Circus Troupe has a human cannon ball act, shooting a performer from a cannon into a spe cially padded seat of a turning Ferris wheel. The Ferris wheel has a radius of 40 feet and rotates counterclockwise at one revolution per minute.
asked by mimi 
Chemistry
Name two solutions that can be used to precipitate out the following: PbCl2 Would I just use a random soluble compound and write a total ionic equation
asked by AlphaPlus 
Physics
An ocean liner leaves New York City and travels 25.1 degrees north of east for 110km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ships displacement vector in the directions, a) due east and
asked by Ellie 
calculus very hard help
integrate:cos^10xdx even with the previous hint a tutor here gave me i still don,t know it
asked by newton 
math
a watch lost two minutes per hour.if on monday 9 A.M the watch was exactly showing 9 A.M.then what is the time on wednesday 9A.M.
asked by ramzan 
Math
What expression represents the height of this prism? Volume = 64(c)3(b)8 Base area = 16(ab)3 a) 4a2b3 b) 4a3b3 c) 1024a3b9 d) 1024a4b9
asked by pizza2 
PreCalc
Solve the following algebraically. log3(x) + log3(x2) = 1 Are the solutions 3 and 1?
asked by Anonymous 
math
there is two digit figure in which one digit is exactly half the other. If the position of both fonts or digits is interchanged, the resultant figure when added with the origional figure sum to 99. what is the origional figure?
asked by ramzan 
History
I need to write a 1920s letter mentioning the booming economy, new inventions and their jazz lifestyle. The letter has to have 11 slang words.
asked by Joyice 
Chemistry
Two electron configuration: Mg(Ne)3s^2 Zn(Ar)4s^2 3d^10 Using the configurations, explain the difference in relative reactivity of the 2 metals ( which are Mg and Zn)
asked by Rose 
media
and again am struggling to elaborate more on ubuntu theory and normative theory as the effect of mass communication.please help
asked by Nancy Asino 
maths
A quadrilateral with only two right angles to s it possible
asked by bakang 
Math
number of students in a class = 36 number playing cricket = 16 number playing football = 25 number playing both cricket and football = x write an equation for x how many students play both football and cricket
asked by Rick 
science
how to find a solution with high buffer capacity?
asked by ayya 
english
What is a persuasive writing
asked by Anonymous 
Math
Order fractions from greatest to least. 1/10, 3/5, 1/4
asked by Mike 
Math
tan(θ)/ sec(θ) − cos(θ) Please help!
asked by Jenn 
Math
A 20 foot piece of rope will be cut into as many 3 and 1\2 foot section as possible. how much rope will be left over?
asked by Tammy 
Math
4+12 /(3) 10+3(2)=
asked by Sam 
Math
Evaluate: 17 + 6 =
asked by Chris 
I have a question[math]
which one is bigger 1/2 3/4 3/5
asked by bobisawesome777 
Art
What are the names of Santa's reindeer?
asked by Anonymous 
Chemistry
Two electron configuration: Mg(Ne)3s^2 Zn(Ar)4s^2 3d^10 Using the configurations, explain the difference in relative reactivity of the 2 metals ( which are Mg and Zn)
asked by Rose 
Algebra
7 – 5(2 – x) = –(x – 8) = 11/6
asked by Chris 
Political Science
You learned about the Democratic Peace Theory. Define this theory. Explain its strengths and weaknesses. Tell how it has been used to inform public policymaking. Now, explain whether you think it should be used in public policymaking, and why in a 250300
asked by Scinceis 
Math
I need help please. Draw a quadrilateral that is not a parallelogram.
asked by Holly 
Statistics
a rifleman averages 8 hits out of 10 shots at a tare what is the probability that he will hit the target 3 out of 4 shots 4c3*(.8)*(.2)
asked by Patty 
math
5xy4x
asked by Tlakula Dzunisani 
Chemistry
Two electron configuration: Mg(Ne)3s^2 Zn(Ar)4s^2 3d^10 Using the configurations, explain the difference in relative reactivity of the 2 metals ( which are Mg and Zn)
asked by Rose 
math
Let a be 1/6 and let b be 1/2. Let x be the sum of the reciprocals of a and b, let y be the product of the reciprocals of a and b, and let z be twice the reciprocal of a divided by the reciprocal of b. Calculate x+y+z.
asked by frank 
Math
The intensity of light passing through a lens can be found using the formula I=Io  Io / csc^2 theta, where Io is the intensity of the light coming in, I is the intensity of the light that emerges or goes out of the lens, and theta is the angle between. a)
asked by Ali 
Math
Mae is making cookies. To make 3 dozen she needs 3 1/4 cups of chips. How many cups of chip will she need to make 5 dozen cookies?
asked by Savannah 
Chemistry
What mass of sodium phosphate is needed to produce 75.00 g of solid product?
asked by Shania 
Calculus I
For what values of a and b is the line 4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint?
asked by Anonymous 
Life orientation
Identify 3 discriminations and explain in an introductory paragraph why you choose the specific discrimination
asked by Novotnarh 
Meteorology
Does evaporation occur more frequently in warmer or colder temperatures? Why?
asked by Kelsie