Questions Asked on
May 29, 2012

physics
The length of a sonometer wire AB is 100cm where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies are in the ratio of 1:2:6 options: 1.60cm,90cm 2.40cm,80cm
asked by srikala 
Physics
Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the
asked by Sara 
Physics
An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41° with the vertical. He jumps, swings down, then back up, releasing the
asked by Mark 
Physics
Two cars are moving. The first car has twice the mass of the second car, but only half as much kinetic energy. Then, both cars increase their speed by 8.00 m/s. They then have the same kinetic energy. The original speeds of the two cars are, respectively,
asked by Vladimyr 
Chemistry
What volume of water should be added to 500 mL of a 1.0 mol/L CuSO4 solution to dilute it to 0.5 mol/L?
asked by Ashleigh 
chemistry
The data in the table show the amount of a 500 g sample of sodium24 over time. Make a graph of the data (remember to label all axes and title the graph). What is the halflife of sodium24? Explain how you determined your answer. Sodium24 decays by beta
asked by liz 
physics(heat)
a mixture of 250g of water and 200g of ice at 0deg C is kept in a calorimeter which has a water equivalent of 50g. if 200g of steam at 100deg C is passed through this mixture, calculate the final temperature and the mass of contents of the calorimeter. ans
asked by ridhi 
material sciences
1. Explain the difference between ‘eutectic’ and ‘eutectoid’. 2. Explain the terms ‘hyper‐ and hypoeutectoin ’and ‘hyper‐ and hypoeutectic
asked by asyraf help me urgent 
physics
(a) Two microwave frequencies are authorized for use in microwave ovens: 900 and 2560 MHz. Calculate the wavelength of each. 1 cm (frequency = 900 MHz) 2 cm (frequency = 2560 MHz) (b) Which frequency would produce smaller hot spots in foods due to
asked by Amelia 
world geography
in which fields do europeans work today? a. heavy industry and mining b.farming and heavy industry c. shipping and transportation d. manufacturing, service and technology industries, and agriculture
asked by natasha napier 
CALCULUS
9. Suppose an experimental population of amoeba increases according to the law of exponential growth. There were 100 amoeba after the second day of the experiment and 300 amoeba after the fourth day. Approximately how many amoeba were in the original
asked by Anonymous 
Management
Which of the following statements about Maslow's needs hierarchy is correct? A. Esteem needs must be satisfied before one strives to fulfill social needs. B. Selfactualization is a growth need. C. safety needs are more basic than physiological needs. D.
asked by Amanda 
chemistry
Current is applied to a molten mixture of CuF, ZnCl2, and AlBr3. What is produced at the cathode? a)F2 b)Al c)Cu d)Zn e)Cl2 f)Br2 What is produced at the anode? Same options as above.
asked by George 
phys
Mike throws a ball upward & toward the east at a 20.0 angle with a speed of 51.0 . Nancy drives east past Mike at 15.0 at the instant he releases the ball. What is the ball's initial angle in Nancy's reference frame?
asked by keren 
Probability
Two cubes are rolled .both cubes are labelled 1 to 6.the number rolled are added. What is the probability of each out come ? a) sum is 12 B)the sum is less than 4. C)the sum is 7. D)the sum is 2.
asked by Sam 
Geometry
A cylindrical container of paint with a radius of 6 inches is 15 inches tall. If all of the surface area except the top are made of metal, how much metal is used to make the container? Assume the thickness of the material is negligable. Round to the
asked by Sholanda 
English
Posted by rfvv on Monday, May 28, 2012 at 2:12am. 1. The lizard is walking on a branch. 2. The lizard is running on a branch. 3. The lizard is creeping on a branch. 4. The parrot is singing. 5. The parrot is chirping. 6. The parrot is twittering. (Can we
asked by rfvv 
Physics
At a restaurant, your glass of water contains 25% ice while your friend’s glass of water contains 75% ice. What can you say about their temperatures? Explain your answer
asked by Bob 
math
Verify cos(x3pi/2)=sin x
asked by mitch 
3rd grade math
I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 !
asked by Trey 
college math
A recipe calls for 600mL of whole milk. How many cups of milk is that?
asked by Lourane 
Economics
explain how a firm's production function is related to its marginal product of labor,how a firm's marginal product of labor is related to the value of its marginal product, and how a firm's value of marginal product is related to its demand for labor?
asked by Alvin 
physics
The route followed by a hiker consists of three displacement vectors , , and . Vector is along a measured trail and is 1060 m in a direction 20.0 ° north of east. Vector is not along a measured trail, but the hiker uses a compass and knows that the
asked by jennifer 
ALGEBRA
(a) What is the sum of the first 60 consecutive odd numbers? Tell whether it illustrates inductive or deductive reasoning. inductive reasoning deductive reasoning (b) What is the sum of the first 1,200 consecutive odd numbers? Tell whether it illustrates
asked by Urgen please help 
pre algebra check
Use the percent equation to answer the question. What percent of 130 is 156? I get 202.8??
asked by amy 
geometry
Find the values of a and b. In a quadrilateral a=113 degrees and b=base =36 degrees
asked by Mal 
geometry
determine the values of x and y for which ABCD is a parallelogram. AB = 3x + 7, BC = y +8, CD = 5x + 1, DA = 2y  3
asked by matt 
What do I do?
Here's the problem: In a load of 3/4 ton of steel rods, 1/8 are bent. How many tons of steel rods are bent? I don't know which operation to use. Should I use addition? Should I use subtraction? How 'bout division? Should I use multiplication because of the
asked by Candy Corn 
Maths
(34cos(2x)+cos(4x))/(3+4cos(2x)+cos(4x))=tan^6(x)
asked by Dg 
chemistry
mass of crucible 18.50g mass of crucible+hydrate 19.50g mass of crucible+anhydrous salt 1st heating 19.10g mass of crucible+anhydrous salt 2nd heating 19.10g Questions: 1. calculate mass of water lost from your sample 2. calculate % of water in sample
asked by Amanda 
science
A solution has a density of 1.50 g/mL. How many grams are needed to obtain 10.0 mL of solution?
asked by Alli 
English
1. He is playing a game with his smart phone. 2. He is talking on the smart phone. 3. He is writing something on his smart phone. 4. Tom and Bill are talking with each other in the corner of the classroom. 5. He is drawing a cartoon. 6. He is reading a
asked by rfvv 
CALCULUS
9. Suppose an experimental population of amoeba increases according to the law of exponential growth. There were 100 amoeba after the second day of the experiment and 300 amoeba after the fourth day. Approximately how many amoeba were in the original
asked by Anonymous 
physics
TVreception antennas for VHF (channels 2 through 13) are constructed with cross wires supported at their centers, as shown in Figure 23.24. The ideal length for the cross wires is onehalf the wavelength to be received, with the more expensive antennas
asked by Amelia 
Probability
Two number cubes are rolled .both cubes are Labelled to 6. The numers rolled are added . What is the probability of each outcome? A) the sum is 12. B) the sum is less then 4. C) the sum is 7. D) the sum is 2.
asked by Sam 
Geometry
A box of cereal measures 8 inches high and 2 inches deep. If all surfaces are made of cardboard and the total amount of overlapping cardboard in the box is 7 square inches, how much cardboard is used to make the cereal box?
asked by Sholanda 
Chemistry Science
A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is raised 2.67 oC above the boiling point of pure benzene. What is the molar mass of the sample? Kb for benzene is 2.67oC/m.
asked by science girl 
history
•Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?
asked by Cheryl 
economics
The manager of All City Realtors wants to hire some real estate agents to specialize in selling housing unit acquired by the Resolution Trust Corporation (RTC) in its attempt to bail out the savings and loan industry. The commission paid by the RTC to the
asked by Ashaki 
geometry
classify a triangle with side lengths 5, 9 and 12 as acute, right, or obtuse
asked by matt 
biology
the gene for eye colour is located on ? a) x chromosome b) y chromosome c) both a and b d) non of them
asked by star 
world geography
some latin america countries need debt relief: a. from other countries to carry out economic programs b. because such a large segment of their population is poor c. because their economies are doing so well d. but have too good credit rating with
asked by natasha napier 
English
1. The rabbit is medium and white. It has a short tail and sharp teeth. 2. The parrot has a sharp beak. It is small and has colorful wings. 3. The puppy is fluffy and cute. It has a long tail. 4. The squirrel is small and cute. It has a long tail. 5. The
asked by rfvv 
world geography
when did most latin american countries gain their independance? a. the 1600s b. the mid1700s c. the 1800s d. the early 1900s
asked by natasha napier 
Healthcare Legal Concepts
Explain the role that a health information technician may play in the judicial process. I am not asking for the answers but a good place to look
asked by Carrie 
dressmaking
Sometimes a person's sloping shoulders cause a garment to sag with diagonal wrinkles from the neck end of the shoulder seam to the armhole.To correct this,ripping out the sleeve and then doing which of the following is correct: A)Rip the soulder seam from
asked by Sarah 
CALCULUS (REPOST)
If dy/dx = x (cos x^2) and y = −3 when x = 0, when x = pi, y = . A. −3.215 B. sqrt(2) C. 1.647 D. 6 E. 3pi For some odd reason, I keep getting 0.5325989. I can't come up with any of the answers given.
asked by Anonymous 
grammar/English
need help correcting this sentence Fire can be either friendly or a foe, depending on the situation to make it parellel
asked by Ashley 
Geometry Please Help With One Multiple Choice
Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17
asked by LEXI 
to ms.sue
kk. thanxz! :)
asked by Celest 
Math
20 (Sigma Sign) 2n + 7 k= 1
asked by Neil 
math
each kitchen floor tile is 12 inches by 12 inches.a kitchen floor needing to be tiled is in the shape of a rectangle measuring 12 ft by 16 ft. how many tiles are to cover the kitchen floor?
asked by Anonymous 
pre algebra
Find the amount of simple interest earned in 3 years. Principal: $460 Annual rate: 3.5%
asked by amy 
pre algebra
A hat cost $14 after a 20% discount is applied. What was the hat's original price
asked by amy 
college math
in regards to my 45 ft square2 _yd square2 not 45.2 feet
asked by Lourane 
pre algebra
Find the percent of decrease. original cost: $65; new cost: $5
asked by amy 
Math 116
simplify the expression 2(2z7y)z
asked by Kunta 
pre algebra answer check
You are standing 400 feet from the base of the Space Needle in Seattle, Washington. Using a laser range finder, you measure the distance to the top of the Space Needle to be 725 feet. Find the height of the Space Needle to the nearest foot. I got 629 ft.
asked by amy 
college math
In this question Farmer Jones needs to add 2200milliters of 24d weed to the mix tank. How many liter is that? My answer is 2.2 i moved the decimal 3 places to the left an I correct
asked by Lourane 
pre algebra homework check
Solve the equation. x ^2 + 15 = 51 x=±6???
asked by amy 
Physics  Help!!!
I am having trouble understanding transformers!! Here is the problem I have to solve: A protable CD player requires 12 volts to operate. A transformer allows the device to be powered from a 120volt outlet. If the primary has 500 turns, how many turns
asked by Justin 
ap calculus
Find the discontinuities of f(x)= ((x^2)+5x+6)/((x^2)4)and categorize them as removable or non removable.
asked by Abby 
Early Childhood Education
Whast determime(s)a child's readiness for reading.
asked by Sandra 
physics
Electromagnetic radiation having a 12.0 µm wavelength is classified as infrared radiation. What is its frequency? 1 Hz i got 1.31e+13???
asked by Amelia 
Northern Virginia community college
A speedboat heads west at 104 km/h for 24.0 min. It then travels at 64.0° south of west at 109.0 km/h for 13.0 min. (a) What is the average speed for the trip? What is the average velocity for the trip? magnitude direction
asked by Domynique 
Comm 215
Please guideme to which ones are wrong.. Thank you Grammar Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good
asked by Adriana 
world geography
which part of europe has advanced communications and transportation systems? a. eastern europe b. western europe c. all of europe d. southern europe
asked by natasha napier 
English (quick Sentence)
Hi Teachers, I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his daughter told us of what he said we promised that we will all be in part of helping him and making him feel like family.
asked by Liz 
physics
What is the wavelength of an electron moving at 2.60% of the speed of light? 1 m
asked by Amelia 
algebra 1
What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
asked by kathy 
math
Tom made pieces of string that were 5/6 yards long. He made 30 pieces. How many yards did he intially have?
asked by lex 
Information Technology
Indicate the type of method used to access data for the following: (a)Hard drive (b)Magnetic tape
asked by Nneka 
pre algebra answer check
Use a proportion to answer the question. 21 is 4% of what number? 21.875???
asked by amy 
English
Please correct the errors, im not sure on this one. The scouts or their mascot must do their best to clean up the mess at the campgrounds.
asked by ashley 
Math
Jack is married to Jill. Their son, Junior, asked each of them to reveal their ages. Junior’s parents decided to tell him, but in the form of a puzzle. Jack told Junior, “If you reverse the digits in my age, you get your mother’s age. Jill told her
asked by Erica 
ap calculus
find the critical points, inflection points, the absolute minimum value of y, and the relative maximum points of y=x^43x^2+2
asked by Thomas 
college math
Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far
asked by Lourane 
Math
What decimal am I? My digit in the tenth place is twice my digit in the hundredths place.my digit in the hundredths place is odd,but not 1
asked by Ron 
math
23.Suppose you choose a marble from a bag containing 6 red marbles, 3 white marbles, and 4 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue). a. 10/13 b. 9/13 c. 24/169 d. 24/13
asked by Anonymous 
pre algebra
Find the percent of the number. 10.5% of 250
asked by amy 
Physics
You are heating water in a pot on the stove. Shortly before the water boils properly, bubbles of steam begin rising from the bottom of the pot but vanish before they reach the water’s surface. What happened to those bubbles?
asked by Bob 
Art
I urgently need you to check these sentences. Thank you, Writeacher. By the way, have you found anything on Henrietta Lacks? 1) When his wife puts his arms around him and kisses him, he faints. He explains this by saying that he has not been used to be
asked by John 
3 grade english ms sue
draw conclusions a conclusion is a decision you reach after thinking about facts and details you read. you can also use what you already know to help draw a conclusion. you should always ask yourself,"does my conclusion make sense?" directions read the
asked by dw 
math
AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50°. Find the length BC, angle ABC, angle CAD , area of triangle ACD
asked by Anonymous 
english
Please check! My best friend told his neighbor that he could not take care of the dogs this weekend. My best friend told his neighbor that he could not take care of his dogs this weekend. When he sat the plate on the glass countertop, it broke into a
asked by ashley 
chemistry
Which of these is a homogeneous mixture? A. a salad B. seawater C. soil D. raisin bread help me please!!
asked by 26kllt 
Physics
Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.
asked by Zach 
Chemistry
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.
asked by Ashleigh 
Math
Find the sum of the arithmetic series. 20 (Sigma Sign) 2n + 7 x= 1 Formula: Sn= a1 (1  r^n / 1  r)
asked by Neil 
math
the volume of a cubical solid is given by following expressions.find the side of field. a)8a^3+b^3+12a^2 b+6ab^2. b)27125a^3135a+225a^2. c)27a^31/2169a^2/2+a/4. d)x^31/x633x+3/x. plz help me till 2 o'clock...
asked by parul 
Chem, HELP plz
Complete and balance the following reaction, given that elemental rubidium reacts with elemental sulfur to form Rb2S?
asked by Lily 
ALGEBRA
What are the odds in favor of drawing face card from an ordinary deck of cards? to
asked by Urgen please help 
math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)6x^3+5x^26x. b)15x^251x+18. c)x^3+13x^2+32x+20. d)x^25x/23/2. e)x^39x. f)x^4+x^3x1 plz everyon help me
asked by parul 
chemistry
A solution with a pH of 11.0 is A. neutral. B. acidic. C. weakly basic. D. strongly basic . HELP PLEASE!!
asked by 26kllt 
pre algebra
Find the percent of decrease. original cost: $65; new cost: $57.20
asked by amy 
Chemistry
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain how to get the answer?
asked by Ashleigh 
english
unscramble this word ( pessaocltn )
asked by Anonymous 
Physics
Three identical blocks, A, B, and C, are on a horizontal frictionless table. The blocks are connected by strings of negligible mass, with block B between the other two blocks. If block C is pulled horizontally by a force of magnitude F = 28 N, find the
asked by Vladimir 
physics
1. what happens to the field strength when you halve the distance between two charges? 2. A positive charge of 3.5 uC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the
asked by carol 
math
probablity to the nearest tenth of a percent 11/68 to a decimal and percent
asked by Taylor 
English
1. He is collecting waste into the dustpan with a broom. (Is this correct?) 2. He is holding a dustpan and broom. 3. He is holding a dustpan and a broom. (Which one is right? Are both OK?
asked by rfvv 
PROBABLITY
the nearest tenth percent of 9/68 decimal and percent
asked by Michael 
llife orientation
one environmental problem that causes ill health,accident,crises,and disasters
asked by kwezi simelane 
Chemistry Science
. When a 28.7 g sample of KI dissolves in 60.0 g of water in a calorimeter, the temperature drops from 27.2oC to 13.2 oC . Calculate ΔH for the process.
asked by science girl 
probablitiy
to th nearest tenth of a percent of 11/68 may i have a fraction,decimal, and percent
asked by Taylor 
Chemistry Science
A sample of the element ygfjygg m has a mass of 5.6 g +/ .1 g and a volume of 3.1 cm3 +/ .5 cm3. The true density of Lindeminium is 1.92 g/cm3. HOW TO CALCULATE RANDOM ERROR(18%)?
asked by science girl 
pre algebra
Find the percent of decrease. original cost: $65; new cost: $57.20
asked by amy 
Geometry
If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.
asked by Sholanda 
pre algebra check
The measures of two angles of a triangle are given. Tell whether the triangle is acute, right, or obtuse. 19°,35° I think its obtuse
asked by amy 
pre algebra
What is the diameter of a cone with a height of 10 yards and a volume of 92.4 cubic yards? Round to the nearest whole number.
asked by amy 
3rd grade math
Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways
asked by Daniel mom 
3rd grade math
Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways
asked by Daniel mom 
math
mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?
asked by keke 
pre algebra
You and four friends are going to a movie. In how many different orders can you pick your friends up?
asked by amy 
geometry
a circular cylinder has a base with a radius of 7.5 cm. and a height of 12 cm. a rectangular prism has a square base and height of 8.0 cm. if the cylinder and the prism have equal volumes, what is the length of the base of the prism to the nearest tenth?
asked by Andrea 
physics
A spherical mirror has a focal length of −0.59 m. An object of height 0.045 m is located 0.42 m in front of the mirror. What is the height (including its sign) of the object’s image?
asked by Emily 
history
•Review “Origins of the Cold War” in Ch. 27 of American History and summarize the revisionist and postrevisionist interpretations of the Cold War. Does our interpretation of history ever change
asked by Cheryl 
statistics
Which hypothesistesting procedure would you use in the following situations? • The mean time an American family lives in a particular singlefamily dwelling is 11.8 years. A sample of 100 families in the Sycamore, OK area shows the mean time living in a
asked by help 
World History
Who ruled the Byzantine Empire?
asked by Erin 
social studies
The Abbe Sieyes suggested that the meeting of the Third Estate be renamed the National Assembly. What was the significance of this change? Explain.
asked by chayy 
geometry
ABCD is a trapezoid with median EF and bases AB and CD. AB = 18, EF = 28. Find CD
asked by matt 
calculus
Evaluate the following (x+7)dx/x^2+14x+55
asked by ZUkii 
math
It says Complete 10/3 on maths homework...what does this mean...thanks.. :)
asked by Andrew 
Finance
Firm A has $20,000 in assets entirely financed with equity. Firm B also has $20,000 in assets, financed by $10,000 in debt (with a 10 percent rate of interest) and $10,000 in equity. Both firms sell 30,000 units at a sale price of $4.00 per unit. The
asked by Jane 
social studies
im looking for imporatn event about martin luther and i cant find any so far i found he want again the church and belived in predeterminsih, he was put on trail, he escaped that it i need 3 more like its bout what he did agaisnt the church and what made
asked by Prabhjot 
Art
I left out the following sentences. Thank you very much for your invaluable help, Writeacher. 1) On my summer holiday(s) I’m competing in a chess tournament in the first week of July. It will probably be difficult because the best players will
asked by John 
MATH
Adrienne had a party at a local swimming pool. She spent fifty dollars for a pavilion and seven dollars per person for admission. Let c be the total cost of the pavilion and admission, and let p be the number of people at her party. Write an equation to
asked by leya 
physics(heat)
A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?
asked by ridhi 
world geography
when ranchers plant grass on burned rain forest lands, the grass: _a. thrives and provide feeds for decades _b. gives way to new rain forests within five years _c. dries up within four years _d. surivives for only one season
asked by natasha napier 
statistics
. A random sample of 30 students obtained the following marks in a class test : (20) Test the hypothesis that their median score is more than 50. 58 55 25 32 26 85 44 80 33 72 10 42 15 46 64 39 38 30 36 65 72 46 54 36 89 94 25 74 66 29
asked by pushpa 
world geography
_______ in brazil's interior has led to the clearing of the rain forests. a. building roads b. building settlements c. mining for iron, copper, and tin d. all of the above
asked by natasha napier 
math
An electric pole is supported to stand vertically on a level ground by a tight wire. The wire is pegged at a distance of 6 meters from the foot of the pole. The angle that the wire makes the ground is three times the angle it makes with the pole. Calculate
asked by Anonymous 
Physics
Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. A certain person can see distant objects well, but his near point is 60.0 cm from his eyes instead of the usual 25.0 cm. Suppose that this person needs ordinary
asked by Kyle 
science
how far merkurius to mars
asked by aulia 
physics(heat)
A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?
asked by ridhi 
10th grade chemistry
If an excess of nitrogen gas reacts with 25.0 L of hydrogen gas, according to the reaction below, how many L of ammonia will be produced? N2(g) + 3H2(g) > 2NH3(g)
asked by skyler 
Art
I left out the following sentences, Writeacher. Thank you. 1) After that we’re having dinner (better we’ll have dinner) and after that we’ll go for a walk in the city centre. 2) On the next day we’ll first go on a sightseeing tour of (in ) the
asked by John 
MARKETING
am not sure how to answer this question that's y am posting this question here. what variables would you used for identiify ing market segment?? is it about behavioural, demographic, geographic!!??
asked by Taskeen 
biology
which of the following cannot cause change in gene pool a) mutation b) migration c) meiosis d) genetic drift
asked by star 
English
1. The boy is arm wrestling the girl. 2. The boy is arem wrestling with the girl. 3. The boy is having an arm wrestle with the girl. 4. The boy is having an arm wrestling against the girl. 5. The boy is doing an arm wrestle with the girl. 6. The boy is
asked by rfvv 
ALGEBRA 1
A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION
asked by susana 
world geography
the europeans who claimed parts of the americas for spain wer called: d. conquistadors
asked by natasha napier 
ALGEBRA 1
Stu has $21.40 in dimes and quarters for a totl of 100 coins. How many of each kind of coin does he have?
asked by susana 
reading
What is generalization and inference.
asked by patty 
life orientation
Provide five ways in which you critically discuss how cancer can impact on the teenager
asked by percy 
math/algebra
Express 55 minutes as a fraction of 11/3 hours. Please show work
asked by logan 
algebra
What is the product of 11/15 and 12/7? Show how this is done please.
asked by Anonymous 
college math
Peform the following unit conversion 45 ft.2 = ____yd
asked by Lourane 
math
3y12=21
asked by andrew 
Science
Please for a labeled diagram of aweather thermometer.
asked by Juanita 
world geography
the north european plain is rich in: a. coal, oil, copper, and petroleum b. coal and oil c. agricultural lands and petroleum deposits d. agricultral lands, iron ore, and coal
asked by natasha napier 
CALCULUS
If dy/dx = x (cos x^2) and y = −3 when x = 0, when x = ƒÎ, y = . A. −3.215 B. ã2 C. 1.647 D. 6 E. 3ƒÎ For some odd reason, I keep getting 0.5325989. I can't come up with any of the answers given.
asked by Anonymous 
physics
if a period is doubled, than the length of the pendulum should be ? A) increased by root 2 b) quartered c) quadrupled d) halved e) doubled
asked by star 
math
the bottom of a 25 foot ladder is placed 7 feet from a wall. how far up the wall will the ladder reach?
asked by potato 
world geography
the netherlands protects its lowland area: a. with dikes to hold back the sea
asked by natasha napier 
english
Happiness is a state of mind that can be brought on by seeing a good friend.
asked by Anonymous 
enaglish
My mom said her greatest achievement was when she had me.
asked by Anonymous 
MATH
You have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8 marbles in each sack?
asked by Ray 
english
correct any erroes. Neither the players nor the coach agree with the referee’s call.
asked by ashley 
math
what is the answer to 5z1=?, 8s+4= etc. im thinking it is 5x3 (z=3)1 equals 14. am I right?
asked by Omar 
English
1. Do you have a technical English terms for 'animals' teeth? 2. The squirrel is a little heavy. 3. The rabbit is somewhat small. 4. The puppy is rather medium. 5. The parrot is kind of small. (Are the expressions all grammatical? Do you have more
asked by rfvv 
College Algebra
A gardener wants to fence in her plot in two equal rectangular sections. If she has 120 yards of fence and the area of the entire plot is 384 yd 2, find the possible dimensions in yards of the garden.
asked by Tim 
math
order Tegretol 0.2g. Available: Tegretol 100 mg/tab. Dose to be given?
asked by lisa 
WRITING!
Pretend you are wandering around an old house with a group of friends while your parents are away. One of your friends finds a secret door. What is behind the door? Do you and your friends follow it? Where does it go?
asked by Celest 
us history
why did California's request for statehood cause a crisis in congress?
asked by brooklyn 
Physics(Please respond)
1) A 1320 kg demolition ball swings at the end of a 34.3 m cable on the arc of a vertical circle. At the lowest point of the swing, the ball is moving at a speed of 3.32 m/s. Determine the tension in the cable. F=ma (34.3)(3.32) = 113.87 Ia this correct?
asked by Hannah 
english
correct any errors. I think everyone needs to do their best to get the job done. Did anyone leave their keys on my desk? My dad says nobody know how to do their fair share of the work on this job. Four years of college classes are a long time without an
asked by ashley 
world geography
beginning in the late_____, the industrial revolution transformed europe into a land of cities.
asked by natasha napier 
History
What Were Characteristics of Renaissance Art?
asked by Sourdee 
Chemistry
What volume of 6.0m H2SO4 is needed to prepare 0.5L of a 0.3M H2SO4 solution?
asked by Janeth 
science
What 2 things do plants need to grow and thrive?
asked by stephanie 
world geography
since the 1970s, european government have tried to limit: c. economic growth?
asked by natasha napier 
Geometry One multiple choice question!
Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17
asked by LEXI 
Chemistry
Calculate the final pressure on the addition of 2.0 g He(g) to a vessel of 10.0 L fixed volume already containing O2(g) at 25°C and 740 mm Hg
asked by Kelly 
Enlish III
The graduation cermoney lasted only two hours. What part of the sentence is lasted only two hours? A) verb B) compound verb C) complete Predicate D) Complete subject
asked by Devin 
science
the threat of global warming is mainly associated with ? 1 radioactive wastes 2 use of hydroelectric energy 3 burning of fossil fuels 4 thermal pollution of lakes and rivers
asked by amber 
Math
A Company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x) =4x, where x is the number of sailboats. Evaluate and interpret C(5).
asked by nick 
Chemistry
Derive a formula for the molar mass of the solute in terms of the freezing point depression, deltaT, the freezingpoint constant, Kf, and the masses of solvent, msolvent, and solute, msolute, used in an experiment like this one. SHow your work and include
asked by Robert 
Art
Could you please check the following corrections? Thank you, Writeacher 1) He offers her to let her remain in the country house. Correction: he offers to let her remain in the... 2) She invites her to remain... 3) He offers her to return to her parents. He
asked by John 
world geography
a system in which monarchs or lords gave land to obbles in return for pledges of loyalty was known as: d. feuldalism
asked by natasha napier 
Spanish
Please checkI had to correct the first sentence to make it correct in the second No hablé con alguien en la escuela No, hablé con nadie en la escuela.
asked by SammyCheck this please 
CALCULUS
Solve the differential equation: dy/dx = x (y^(1/3))
asked by Anonymous 
physics
Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency of a 11.34 m wavelength CB channel? 1 MHz How do you solve for MHz
asked by Amelia 
Physics(Please respond)
A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 17.4 m/s at an angle of 35.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green.
asked by Hannah 
Math
What would the rate of return be on an Individual Retirement Account with a contribution of $2000.00, at 4% Interest rate, for 5 years?
asked by Allie 
Physics(Please help)
1) A box is sliding up an incline that makes an angle of 14.0 ° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.176. The initial speed of the box at the bottom of the incline is 3.72
asked by Hannah 
world gegraphy
since the fall of communism, some eastern europeans have: a. taken steps to return to a communist system of goverment b. had difficulty adapting to a free market system c. cleaned up their environment problems d. all of the above
asked by natasha napier 
Physics(Please help)
A jet flying at 106 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 2.40 × 105 kg. Calculate the magnitude of the necessary lifting force. Would I use the equation Fc=mv^2 / r ??
asked by Hannah 
world geography
state farms in communist europe were run by: a. small independent collectives b. individuals c. the government d. specialists in enviromental science
asked by natasha napier 
Algebra
190b=10525bsquared what is that using binomials
asked by MATT STANICH 
physics
What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 5.59 m/s when going down a slope for 2.79 s? (b) How far does the skier travel in this time?
asked by Anonymous 
Literature
Write a speech and try to capture the narrators fellings. Write the first page of the speech the narrator might have written. "I Hear American Singing" and "Song of Myself" by Walt Whitman.
asked by kcjfnpdd 
Physics
What coefficient of friction is required to stop a hockey puck sliding at 12.8 m/s initially over a distance of 66.5 m?
asked by Vladimyr 
learing
The pattern of learning that is strongest is called: A. learning style B. learning modality C. intelligence activity D. both A & C
asked by learning