Questions Asked on
June 10, 2013

algebra
The number of kilograms W of water in a human body varies directly to the mass of body. A 96kg person contains 64 kg of water. How many kilograms of water are in a 60kg person?
asked by Anonymous 
Geometry
46. Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. mO = 128° (1 point) 52 308 64 256
asked by James 
math
vlad purchased some furniture for his apartment. The total cost was $2942.37. He paid $850 down and financed the rest for 18 months. At the end of the finance period. Vlad owed 2147.48. What annual interest rate compounded monthly eas he being charged?
asked by justin 
math
Eden finances a purchase of $611.03 by making monthly payments of $26.17 for 2 1/2 years. What annual interest rate, compounded monthly, is she being charged?
asked by alex 
probability "Ms Sue"
Tamara likes to mix and mathc her 4 scarves, 3 pairs of gloves, and 2 hats. The colors are on the table. On Monday, she randomly picks out a scarf, hat and a pair of gloves. What is the probability of Tamara choosing a pair of brown gloves and a red hat ?
asked by Moby 
tenses
Identify the verb tense in the following sentences. 1. Zach stopped to call a friend Past continuous 2. What are you doing? present continuous 3. I was hoping to hear from you. Simple past 4.The guy makes his own instruments. simple present
asked by Jim Collum 
tenses
The muffins were fresh. When discussing tenses, the subject of the previous sentencesthe can be called the 1. first person plural 2. second person plural 3. third person plural My answer 1. first person plural
asked by Jim Collum 
Chemistry
What is the concentration of the resulting solution when 250 mL of 0.1 M K3PO4 and 300 ml of 0.5 M K3PO4 are mixed?
asked by L 
math 118
the gasoline gauge on a van read 1/4 full when 10 gallons were added to the tank, the gauge read 2/3 full how many more gallons are needed to fill the tank?
asked by Anonymous 
Geometry
44. The volume of a sphere is 2,098 m3. What is the surface area of the sphere to the nearest tenth? (1 point) 1,700 m2 146.2 m2 850 m2 26,364 m2
asked by Patrick 
statistics
Let x and y be the amounts of time (in minutes) that a particular commuter must wait for a train on two independently selected days. Define a new random variable w by w = x + y, the sum of the two waiting times. The set of possible values for w is the
asked by Jade 
English
The sentence, I don't know where is it, represents an error in word order. 1. probably where often formed a question. 2. probably because a noun clause was not recognized My answer answer 1 & 2 are correct statements
asked by Jim Collum 
compound sentence
1.There was no break between the breakfast and lunch crowds, so Zach's first break was around 2:00. 2.Then he made some notes for the owner, Melanie, who was also the cook on the second shift. I think the compound sentence is the 1st sentence
asked by Jim Collum 
adjective clause
Which sentence has an adjective clause? 1.Then he made some notes for the owner, Melanie, who was also the cook on the second shift. 2. There was no break between breakfast and lunch, so his first break was around 2p.m. 1. has an adjective clause
asked by Jim Collum 
math
Find the height of this cylinder given that the surface area is 628 square inches and the diameter is 10 inches.
asked by charlene 
Social studis
I have been standing for almost 2,500 years on a hill called the acropolis. The people of Greece built me to honor the goddess of Athena
asked by Anonymous 
Chemistry
One step of the Ostwald process for manufacturing nitric acid involves making nitrogen monoxide by oxidizing ammonia in the presence of a platinum catalyst: 4NH3 (g) + 502 (g)>> 4NO (g) + 6H2O (g). If the percentage yield is 80.3%, how many grams of NO can
asked by Shane 
Home economics
What are d use of computer in home economics
asked by DORCAS 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by heaven 
physics
A 84 g ball is fastened to one end of a string 52 cm long and the other end is held fixed at point O so that the string makes an angle of 23 with the vertical, as in the figure. This angle remains constant as the ball rotates in a horizontal circle. The
asked by Anonymous 
verbs
The verb in this sentence. describes an ongoing action 1. Jack stopped to call a friend. 2. What are you doing? Answer 1 The verb in this sentence describes a habitual or repeated action A. I was hoping to hear from you. B. This guy makes his own
asked by Jim Collum 
formal
Then he made some notes for the owner, Melanie,who was also the cook. 1.Who should be changed to whom because it is the direct object of the clause. 2.Who should be changed to whom because it would sound more formal I don't think it should be changed from
asked by Jim Collum 
English
Jack: I'll be there in 20 minutes. I'm stopping at the store to pick up some batteries. Do you need anything Which of the following statements about Jack's dialog is true? 1. All three sentences use future form and meaning 2.All three sentences use present
asked by Jim Collum 
Algebra
An Algebra I test contains 30 questions. Some of the questions are worth 4 points each, and some are worth 2 points each. The total test is worth 100 points. Let f represent the number of questions worth 4 points and t, the number of questions worth 2
asked by lol 
Physics
A car travels from City A to City B to the north. It takes 4 hours, and the road mileage is 200 miles. The map shows that the cities are only 80 miles apart (straightline distance). Calculate the average velocity and give the direction. :(
asked by Isis 
Chemistry
Initally, only H2S is present at a pressure of 0.224 bar in a closed container. What is the total pressure in the container at equilibrium? H2S(g)H2(g)+S(g) Initally, only H2S is present at a pressure of 0.224 bar in a closed container. What is the total
asked by Evelyn 
World history
1. Which of the following statements about Southern South America is true?
asked by Anonymous 
geometry
45. Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. (1 point) 8 : 15 64 : 225 15 : 8 225 : 64
asked by Patrick 
chemistry
Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is s2(g)+C(s)>CS2(g) Kc=9.40 at 900k How many grams of CS2(g) can be prepared by heating 14.5 moles of S2(g) with excess carbon in a 8.15 L reaction vessel held at 900 K
asked by kitor 
Intermediate algebra, concepts and graphs
Tickets for a school event were $2.50 for students and $3.50 for parents. If a total of 80 tickets were sold for $234.00, how many students and parent tickets were sold?
asked by Lisa 
Physics (Tricky)
If the length of a conductor is doubled, the resistance will be ___ the original resistance. A. less than  i think its A? B. equal to C. half D. twice A resistor most suited to dissipating high power levels would be: A. Thick film resistor  i think it's
asked by John 
Algebra
The deck around a swimming pool has the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck
asked by Jenna 
Physics 1
A body of mass 6kg moving at 8m/s collides with a stationary body of mass 10kg and sticks to it. Find the speed of the composite body immediately after the impact.
asked by Dan 
World history
4. Significant settlement in Manitoba, Saskatchewan, and Alberta A. occurred only as major highways were built across Canada. B. occurred only after World War II. C. followed the completion of Canada's transcontinental railways. D. was a response to the
asked by Lilia 
math
The surface area of a sphere is 93.4m square. What's the radius of the sphere?
asked by charlene 
Trig
The angle of elevation from a point on the ground to the top of a tower is 37deg5'. The angle of elevation from a point 120 feet farther back from the tower is 29deg5'. Find the height of the tower (to the nearest foot).
asked by john 
Geometry
50. Find the value of x for ° and °. The figure is not drawn to scale. (1 point) 34° 56.5° 22° 68°
asked by James 
Java Programming
I'm new to Java and I'm not sure how to write the source code for this problem I got in class... Write a java program using the while and if statement that will accept ten student grades and that will display the sum of the grades, the student average, and
asked by Samantha 
Probability
A loaded die has the property that the probability of throwing an odd number is three time the probability of throwing an even number. If the even number are equally likely to appear, find the probability of rolling either a 3 or a 6.
asked by A loaded die 
math
If there are 64 knives,forks and spoons on the table and each place setting has 2 forks, how many places are set?
asked by Anonymous 
Math
The price of a technology stock was $9.83 yesterday. Today, the price fell to $9.70 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.
asked by Samantha 
World history
5. Which of the following statements about the physical geography of North America is true? A. The most geologically active region of North America is found along the West Coast. B. The ancient rock of the Canadian Shield covers about onefourth of Canada.
asked by Lilia 
World history
3. In the South American Andes, the altiplano between the Cordillera Oriental and the western Cordillera Occidental is widest in A. Peru. B. Ecuador. C. Bolivia. D. Chile.
asked by Anonymous 
World history
2. In Brazil, the indigenous population was around 3.5 million before the arrival of Europeans. Today, the indigenous population is around A. 2 million. B. 500,000. C. 200,000. D. 1.5 million.
asked by Lilia 
Chemistry
What is the net ionic equation including phases for NiPO4(s) dissolving in H3O^+(aq) ?
asked by chemstudent 
Amplifiers
An op amp has a maximum output voltage swing of 10 Vpp and a voltage gain of 100. What is the largest peak to peak input signal that can be applied to the input without clipping the output signal?
asked by Adam 
Finance
Jane Smith currently holds taxexempt bonds of Good Samaritan Healthcare that pay 7 percent interest. She is in the 49 percent tax bracket. Her broker wants her to buy some Beverly Enterprises taxable bonds that will be issued next week. With all else the
asked by Shelley 
math
Video games are on sale for 25% off. If a particular game regularly sells for $59.50, what is the sale price?
asked by tay 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by Anonymous 
algabra
Three individuals form a partnership and agree to divid the profits equally. x invest $9000, y invest $7000 z invest $4000. how much much less does x receive than if the profists were divided in proportion to the amount invest
asked by Agnes 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by Anonymous 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by heaven 
maths
the total number of cows and ducks on a farm is 35.All the cows have 74 more legs than all the ducks.How many cows are there on the farm?
asked by Anonymous 
health
what is a condom used for
asked by reed 
Chemistry
How many grams of NaOh are needed to prepare 0.5l of a 4m solution?
asked by Keymaurie 
maths
the total number of cows and ducks on a farm is 35.All the cows have 74 more legs than all the ducks.How many cows are there on the farm?
asked by Anonymous 
algebra
A Boeing 747 flies 2420 miles with the wind. In the same amount of time, it can fly 2140 miles against the wind. The cruising speed ( in still air) is 570 mph. Find the speed of the wind.
asked by Anonymous 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by Anonymous 
Chemistry
What mass of KOH is required to neutralize 200mL of 3.16 M HNO3?
asked by Quentin 
Calculus Grade 12
Find the equation of the plane that passes through the point (3,7,1) and is perpendicular to the line of intersection of the planes xy2z+3=0 and 3x2y+z+5=0
asked by Amber 
maths
A polynomial f(x) satisfies the equation f(x)+(x+1)3=2f(x+1). Find f(10). that is (x+1) whole cube
asked by rishabh 
Physics
Staging in mechanical equilibrium. The person in the middle weighs 215 N, and the tensions in each rope are 200 N. What is the weight of the staging?
asked by Jim 
World history
2. In Brazil, the indigenous population was around 3.5 million before the arrival of Europeans. Today, the indigenous population is around A. 2 million. B. 500,000. C. 200,000. D. 1.5 million.
asked by Anonymous 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by Anonymous 
precalculus
Gloria is planning to ride her bicycle near the transmitter of a radio station. She will be riding from a point 10 miles due east of the transmitter on a straight road to a point 40 miles west and 10 miles north of the transmitter. She has a radio on her
asked by Anonymous 
Physics
Scroll all the way to the bottom in the link I'll provide below and there will be diagrams for which my questions/answers are based on. I'm having trouble applying the "right hand rule" to 1. c) Also, for 1.a) I think the magnetic field lines should go
asked by Alice 
math
Kristy Dunaway has biweekly gross earnings of $1,750. What are her total Medicare tax withholdings for a whole year
asked by amy 
English Pls Writeacher Help me by checking my work
Please replace the incorrect words with correct words in the following sentences using AP Style. There may be more than one error per sentence; all sentences contain at least one error. Use correct AP style, punctuation, grammar and spelling errors.) 1.
asked by Mary 
transformers
A resistive load of 2 k is connected across the secondary windings of a 25:1 transformer. If the primary voltage is 50 V AC, what will be the secondary current? im getting 2mA but the correct answer is 1 mA please help
asked by Adam 
math
A manufacturer of canned fruit products is making a new label for its canned fruit salad. The can is 4 inches tall with a diameter of 3 inches. Determine the size of the label needed to cover the sides of the can to the nearest squared inch. How do I
asked by charlene 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by rishabh 
precalculus
Berry is standing at the edge of a hill that slopes downward and to the right. He notices that for every 5 feet you go in a horizontal direction, the hill drops by 2 feet. Berry places a ball at the edge of the hill (the origin of the coordinate system),
asked by Anonymous 
math
Find the slant height of the cone given that the surface area is 12.76 m square and the diameter is 2500 mm. (1m=1000mm)
asked by charlene 
social studies
Which of the following statements is true of the Gulf of Tonkin affair
asked by quala 
World history
3. In the South American Andes, the altiplano between the Cordillera Oriental and the western Cordillera Occidental is widest in A. Peru. B. Ecuador. C. Bolivia. D. Chile.
asked by Lilia 
physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt.
asked by Anonymous 
maths
Will is given 10 rods, whose lengths are all distinct integers. However, he finds that given any 3 rods, he is unable to construct a (nondegenerate) triangle with them. What is the shortest possible length for the longest rod?
asked by rishabh 
Statistics
the 1st class in a relative frequency table of 5059 an the corresponding relative frequency is 0.2. What does the 0.2 value indicate
asked by Agnes 
MATH
Find the diameter of the sphere to the nearest inch given the surface area is 271.6 square inches. I know the formula is v= 4 over 3 pie r square but how do I connect the question to it?
asked by charlene 
English Pls Ms. Sue help me by checking my work
Please replace the incorrect words with correct words in the following sentences using AP Style. There may be more than one error per sentence; all sentences contain at least one error. Use correct AP style, punctuation, grammar and spelling errors.) 11.
asked by Mary 2 
Physics
Find the Time Constant for a 50 k resistor in a series with a 60 uF capacitor connected to a DC circuit. Also how long will it take for this capacitor to become charged?
asked by John 
Physics
Suppose that you are using a multimeter on the OHMS scale to test a capacitor and the meter reads zero. What condition of the capacitor does this indicate?
asked by Pete 
Physics
If a car travels 60 mi. north for onehalf hour, 100 mi. west for one hour, and 60 mi. south for 30 minutes, what is the total displacement of the car? PLEASE HELP ME!!!!
asked by Isis 
physics
1.descibe the construction and working of machine used to generate high voltage? 2.draw electric lines between the plates of a parallel plate capacitor with 1(air) and 2(dielectric) as a medium? 3.near the surface of earth the field is about 100V/m. why do
asked by edward 
ADVANCED FUNCTIONS
What is the domain of the composite function of f(x)=x^2 and g(x)=sin x when (g o f)(x) and (f o g)(x)?? when i joined the two function it looks the same to me..
asked by Anonymous 
Number Theory
A monic polynomial f(x) of degree four satisfies f(1)=10, f(2)=20, and f(3)=30. Determine f(12)+f(−8)−19000.
asked by Abhishek Ranjan 
advance functions gr 12
2 QUICK QUESTIONS PLEASE HELP ME I NEED THEM FOR THE MORNING! the ______________ (fill in blank) of logarithms state that log (xy)= logx + logy solve the equation 6^3x+1= 2^2x3, Leave in extact form THANKS
asked by samantha 
Physics
Calculate the resistance of 80 metres of copper wire, with a c.s.a. of 0.5mm2, given its resistivity of 1.72 x 10^6 ohms per metre, Note, the area of the wire must be expressed as a portion of its base unit of measurement, which is the square metre.
asked by Pete 
Math
A polynomial function f(x) has degree 6 and has real coefficients. It is given that 3, 2, 11−3i, and 11+28i are roots of f(x). What is the sum of all the roots of f(x)?
asked by Crow 
optics
Describe how you could find the focus of a converging lens using a candle, a sheet of white paper, and a ruler (be explicit)?
asked by reed 
Calculus grade 12 lines and planes
Find the value of k so that the line [x,y,z] = [2,2,0]+ t[2,k,3] is parallel to the plane kx +2y  4z= 12
asked by Baljinder 
Agnes
in poll 1038 adults, 540 said second hand smoke is harmful. what is % of adults said second hand smoke is harmful
asked by Anonymous 
ratio
Gina sold cookies for $3 a box. For each box she sells, she earns $1.50. One week, Gina sold $90 worth of cookies. How much did she earn? How do I find this answer? I don't know the steps to finding it.
asked by Celest 
math
Kate bought a new car priced at $21,300 with 15% down and the balance in equal payments over 4 years at 7% compounded monthly. Determine the size of the monthly payments? The answer is $433.65 please show me the steps
asked by Daniel 
maths
We have a list of N consecutive 3digit numbers, each of which is not divisible by its digit sum. What is the largest possible value of N?
asked by rishabh 
Physics
What value of voltage will be reached across the plates of a capacitor, after two time constants, if the maximum value of voltage when fully charged, reaches 200 volts?
asked by Jacob 
Healthcare
choose a product or service category that is at each stage of the product lifecycleone each for introduction, growth, maturity, and decline. Explain your selection Propose strategies for effectively marketing each product or service you selected.
asked by karen 
Math
If f(x) is a polynomial with real coefficients such that f(8+8i)=38+9i, then f(8−8i)=a+bi. What is the value of a+b?
asked by Crow 
Math
Find the 40th term in the sequence: 4,1, 5,11
asked by Shannon 
Geometry
53. What is the equation of the circle with center (2, –5) that passes through the point (–2, 10)? (1 point) (x – 2)2 + (y – (–5))2 = 25 (x – (–2))2 + (y – 10)2 = 241 (x – 2)2 + (y – (–5))2 = 241 (x – (–2))2 + (y – 10)2 = 25
asked by James 
HIT stat
Present, in your own words, how information systems help support the risk management function of a healthcare organization
asked by pj 
math
the side of a tetrahedron .if the base of each triangle is 8 cm and the height 6.9cm,calculate the surface area
asked by Anonymous 
science
Describe how you could find the focus of a converging lens using a candle, a sheet of white paper, and a ruler (be explicit)?
asked by reed 
English
Can someone have a look at this short paragraph on Vincent Van Gogh? Thank you very much in advance. 1) Vincent was one of the leading exponents of the Neoimpressionism. He had a complex personality and could never find peace within himself. 2) He tended
asked by John 
precalculus
Berry is standing at the edge of a hill that slopes downward and to the right. He notices that for every 5 feet you go in a horizontal direction, the hill drops by 2 feet. Berry places a ball at the edge of the hill (the origin of the coordinate system),
asked by Anonymous 
Chemistry
When 9.08 times 10^5 grams (one ton) of sodium chloride are electrolyzed in the commerical production of Chlorine, 5.24 times 10^5 grams of Chlorine are produced: 2 NaCl (aq) + 2 H2O (l) >>H2 (g) + Cl2 (g) + 2 NaOH (aq). Calculate the percentage yield.
asked by Shane 
Literature
L.T Morrison~The Gentle Giant Use the heading and write Mr L.T Morrison's story basing your writing on the descriptions of him and the things he does in the novel(Roll of Thunder, Hear My Cry).
asked by Alexis 
maths
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen
asked by rishabh 
calculus
solve for the second derivative and set to zero f"(x) = ((x^24)*sin(2x) [(2x)(1+cos^2(x))]/ ((1+cos^2(x))^2) i don't know how to set it to zero and solve i get this: (x^24)(sin(2x))= (2x)(1+cos^2(x)) thanks for help
asked by Ken 
story
After the election of 1890, organized groups supporting farmers called for the formation of a third party that became generally known as the _______ Party. A. American B. Populist C. Ocala D. Socialist
asked by Anonymous 
vocabulary
same meaning gulp
asked by paul 
math
The surface area of a sphere with a diameter of 5 cm is........ How do I connect SA= 4*pie*r*square to this equation?
asked by charlene 
Physics
scroll all the way to the bottom: lakeheadschools.ca/scvi_staff/brecka/Gr11_physics_web/downloadable_content/unit12/Text12/phys11_12_6.pdf How do you figure out which way the motor will spin (figure 12)? And how do you figure out which way the loop will
asked by Alice 
rochester
A 3kg stone falls from rest a top a cliff, hitting the ground traveling 42m/s. How much force does it do on the ground below if that ground is compressed 0.30 meters? (w= F*d=KEPE)
asked by Joe 
Geometry
A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head, can be written as ab, where a and b are coprime positive integers. What is the value of a+b?
asked by Abhishek Ranjan 
Chemistry
When 9.08 times 10^5 grams (one ton) of sodium chloride are electrolyzed in the commerical production of Chlorine, 5.24 times 10^5 grams of Chlorine are produced: 2 NaCl (aq) + 2 H2O (l) >>H2 (g) + Cl2 (g) + 2 NaOH (aq). Calculate the percentage yield.
asked by Shane 
math
The Megaray Kite has 1,500 square meters.it moves 25 meters east.does it change its shape or size?explain?
asked by Avriel 
PreCalculus
Could someone check these? I'm finding the magnitude for 5 and 6. 5. v=3i+j My magnitude is 3.16 6. v=2i+3j My magnitude is 3.61 For 22 and 23 I'm finding each specified vector or scalar. u=2i5j, v=3i+7j, w=i6j 22. v+w answer: 4i+j 23. uv answer:
asked by Caroline 
math 160
If the mean of a set of data is 20.00, and 12.20 has a zscore of –1.30, then the standard deviation must be
asked by randy 
Math
For how many ordered triples of positive real numbers (a,b,c), do the equations ax^2+2bx+c, bx^2+2cx+a and cx^2+2ax+b each have 2 distinct real roots?
asked by Crow 
Math
a and b are integers such that the polynomial f(x)=x^4−4x^3−8x^2+ax+b has 1+2i as a solution to f(x)=0. What is the value of 10a+b?
asked by Crow 
ratio
30% of the tickets sold by a movie theater for the Friday night show were children's tickets at $4 each. the rest of the tickets were sold at the full price of $8.50.the movie theater collected $360 just for the children's tickets. how many tickets did
asked by Celest 
English
Explain why the literary work captured your interest, using term and concepts form the text to support your explanation.
asked by gail 
maths
find value of p such that the equation (x+1)(x+2)=p
asked by jo 
math
Find the positive integer value of n such that n^3−3/n^3+n^3−4/n^3+n^3−5/n^3+…+4/n^3+3/n^3=169.
asked by raja harishchandra 
math
The complex number [2[cos(π/10)+isin(π/10)]]^5 can be written as a+bi. What is the value of a+b?
asked by raja harishchandra 
physics
how does the total energy stored in a capacitor change, when the medium of air is replaced by a medium of dielectric constaant K? Explain.
asked by edward 
PreCalculus
I'm having trouble with these problems.. Could someone please explain how to find the domain of either of these functions? 3. f(x) =(x2)/(x^2+6x+8) 7. g(x)= sqrt[(9)/(x+3)]
asked by Caroline 
early childhood
Routines, transitions, and group times have one thing in common, which is: A. change. B. a sense of certainty. C. emotional boredom. D. focused behavior.
asked by anthony 
power dissipation please help
A diode carries 20 mA with a 2.0 V forward voltage drop. What is the power dissipation?
asked by Adam 
math
at2pma train leaves at 8pm 2nd train leaves at 162miles per hour faster than 1st train 2nd train takes over at10pm what are the speeds of the2 trains
asked by pam 
Math
if a circle has half of one quarter of its overall area shaded, what would the percent of the shaded area be
asked by Evelyn 
Chemistry
Calculate the Bi^3+ at the following points on the titration of 25cm3 of 0.02M Bi^3+ solution with 0.02M of EDTA at pH=2. After the addition of: a. 10cm3 b. 24cm3 c. 25cm3 d.26cm3 e. 30cm3. (Given: stability constant = 10^27.5, and alpha = 10^15.5) Please
asked by Tommy 
240
Design a series of three presentations/activities for parents and students at your school wherein cultural diversity is honored and respected. Your plan should include a purpose for each activity, a description of the target group you are addressing, an
asked by Marie 
math
what does 10=2\3 of equal?
asked by Anonymous 
Calculus Grade 12
Determine the value of k such that the points (4,2,6), B(0,1,0) and C(1,0,5) and D (1,k,2) lie on the same plane.
asked by hanaya 
vocabulary
what is the same meaning of hedge
asked by paul 
Calculus Grade 12
Without solving , determine the points of intersection of the line r= (5,9,3) +k (1,12,2] and the plane [x,y,z]= (4,15,8) + s[1,3,1] + t[2,3,1], if any exist.
asked by Baljinder 
Amplifiers
A common collector amplifier without a bypass capacitor has RE = 1.5 kohms and RC = 2.1 k ohms and r'e = 17 ohms. The voltage gain is approximately
asked by Adam 
QRB/501
15=15(h3)
asked by Anonymous