Questions Asked on
December 3, 2013

SCIENCE
which of the following would most likely lead to increased biodiversity
asked by Anonymous 
Chemistry
Two competing corporations are submitting data to the US Military to create chemical hot packs. The Military has stipulated that each hot pack may cost no more than 85 cents and must result in at least a 20degrees Celsius rise in temperature when
asked by Kelly 
Spanish
I need major help in translating these numbers into Spanish correctly. Thanks 570 quinientos setenta 46.500 cuatro seistente 726 setecientos y veintiseis 489 cuatrocientos ochenta y nueve 1.950.020 uno millones noventa y ciento mil
asked by Tina 
Algebra 8th
Find the greatest possible error for each measurement. 953 mi 0.5 mi Find the greatest possible error for each measurement. 1 3/4 c not 1/4 c Find the greatest possible error for each measurement. 12.3 L 0.05L Find the greatest possible error for each
asked by purplebananas 
physics
The staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 m. If the spring constant is 51.0 N/m, how much elastic potential energy is stored in the spring when its length is 0.150 m?
asked by Anonymous 
Chemistry
The specific heat for liquid ethanol is 2.46 J/(g•°C). When 210 g of ethanol is cooled from 50 °C to 5 °C, the surrounding 7.80 × 103 g of air absorbs the heat. The specific heat of air is 1.01J/(g•°C)
asked by Iman 
English
what is the complements and is it predicate nominative or predicate adjective? 1. The chirping of the birds became more and more shrill as the cat approached. 2. You should feel proud of yourself. 3. Soft and cool was the grass under the catalpa tree. 4.
asked by Sindey 
statistics
The HIM department at community hospital will experience a 15 percent increase in the number of discharges coded per day as a result of opening a cardic clinic in the facility. The 15 percent increase is projected to be 100 additional records per day. The
asked by Anonymous 
prealgebra
One cellular phone carrier charges $26.50 a month and $0.15 a minute for local calls. Another carrier charges $14.50 a month and $0.25 per minute for local calls. For how many minutes is the cost of the plans the same?
asked by sheila 
annuities..math
Anne Thorne deposits $100 at the end of each month into her savings account which pays 6% interest compounded monthly. How much will be in her account at the end of 2 ½ years?
asked by Lynda 
Algebra 1 (Reiny or Kuai)
1. At a chili cookoff, people pay a $3.00 entrance fee and $0.50 for each bowl of chili they taste. The graph shows the total cost per person as a function of the number of bowls of chili tasted. a. Write a rule that gives the total cost per person as a
asked by Please, help me! This is urgent! 
Physics IMP
An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 10 cm from the corner? I can not draw pic here but I will try to describe it: Point P is in right
asked by Rosa 
math
Angie needs to have an annuity payment of $1,300 at the end of each year for the next 10 years. How much should she deposit now at 10% interest compounded annually, to yield this payment?
asked by Lynda 
math(check answers please)
for questions 13,find the sum. 1.5 9/13 + 5 9/13= A.13/74 B.10 12/13 C.11 5/13(I PICKED THIS) D.13/142  2.3 3/15 +4 2/5= A.2 1/2 B.22 4/5 C.7 3/5( I PICKED THIS) D.5/38  3.3 4/9 + 2 1/3= A.5 1/3 B.18
asked by Anonymous 
Physics
A copper ball 2 cm in radius is heated in a furnace to 400 degree celsius. if its emissivity is 0.3, at what rate does it radiates?
asked by Anonymous 
Internet
What does "purpose of the database" mean?
asked by Mady 
algebra
You and your friend are in a canoe race. Your friend is half a mile in front of you and paddling 3 miles per hour. You are paddling 3.4 miles per hour. You both maintain your paddling rates for the remainder of the race. How far ahead of your friend will
asked by Anonymous 
algebra
A die is rolled 6 times. Find the probability P(of exactly 4 occurrences of 2).
asked by Anonymous 
math
Midtown Trust is paying 6% interest compounded quarterly. What is the future value of $2,000 deposited at the end of every three month period for 6 years?
asked by Lynda 
science (ipc)
Describe the motion of an unanchored rowboat when a water wave passes. Does the wave move the boat forward?
asked by Naila dar 
CHEMISTRY
Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium
asked by Anonymous 
chemistry
Nitric acid reacts with silver metal: 4HNO3+3Ag yields NO+2H2O+3 AgNO3. Calculate the number of grams of NO formed when 10.8 g of Ag reacts with 12.6g of HNO3.
asked by Anonymous 
English
What are the disadvantages of using a photograph to learn about taking a stand? How is it negative or unhelpful?
asked by Nicole 
Physics
A hydraulic lift in a garage has two pistons: a small one of crosssectional area 3.70cm2 and a large one of crosssectional area 210cm2 . Part A If this lift is designed to raise a 3100kg car, what minimum force must be applied to the small piston? Part
asked by Help! final next weel 
Chemistry
Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium
asked by Anonymous 
physics
) A 4.8 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of 0.90 m a velocity of 0.80 m/s and an acceleration of +2.9 m/s^2. The force constant of the spring
asked by Anonymous 
Physics
A man's gold wedding ring has an inner diameter of 2.0cm at 30∘C. Part A If the ring is dropped into boiling water, what will be the change in the inner diameter of the ring?
asked by Help! final next weel 
physics
Concrete highway slabs are poured in lengths of 9.00m . Part A How wide should the expansion gaps between the slabs be at a temperature of 22∘C to ensure that there will be no contact between adjacent slabs over a temperature range of 25 ∘C to 48∘C?
asked by Help! final next weel 
math
A fruit stand has 28 apples, 20 oranges, and 12 pears. What is the ratio of apples to the total pieces of fruit? A. 1 : 4 B. 7 : 15 C. 1 : 2 D. 7 : 8
asked by kasey 
Chemistry
A gas, Y, diffuses 1.05 times faster than SO2 gas at the same conditions. What is the molecular weight of gas Y?
asked by Krystal 
math
Earl Watkins is ready to retire and has saved up $250,000 for that purpose. He places all of this money into an account which will pay him annual payments for 20 years. How large will these annual payments be if the account earns 17% compounded annually?
asked by Lynda 
physics
A 70.5kg football player is gliding across very smooth ice at 2.05m/s . He throws a 0.470kg football straight forward. What is the player's speed afterward if the ball is thrown at 14.5m/s relative to the ground? What is the player's speed afterward if the
asked by k 
Physics
A circular steel plate of radius 15 cm is cooled from 300∘C to 80∘C. Part A By what percentage does the plate's area decrease?
asked by Help! final next weel 
Trigonometry/Geometry
Rhombus ABCD, with side length 6, is rolled to form a cylinder of volume 6 by taping AB to DC. What is sin(angle ABC)? I don't know how to begin. Help?
asked by Sam 
math
Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this account after 45 years?
asked by dreamkatcher76 
Geometry
The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100
asked by Missy 
Science
The distance from the crest of a wave to the next crest is 10 centimeters. The distance from a crest of this wave to a trough is 4 centimeters. a. What is the amplitude of this wave? b. What is the wavelength of this wave?
asked by anon 
Algebra 1 ( bobpursley)
1. Write an equation in slopeintercept form for the line that passes through (5,0) and is perpendicular to the line given by y = 5/2x + 6. A: m = 2/5 y = mx + b 0 = (2/5)(5) + b 0 = 2 + b b = 2 y = 2x/5 2? 2. Write an equation in slopeintercept form
asked by Please, help me! This is urgent! 
geometry
Kendra is flying a kite 35 feet in the air. The angle of depression from the kite to where Kendra holds the string is 32 degrees. If Kendra holds the string 3 feet off the ground, what is the distance from her hands to the kite? Round your answer to the
asked by david 
5th grade Math
Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.
asked by Kathryn 
MATHS
Carrie and Luke drank 4/5 of a bottle of juice. Carrie drank half as much as Luke. What fraction of the juice did Carrie drink? Answer given is 4/15
asked by LARA 
Math
A flagpole casts a shadow 30 feet long. A 5 foot woman standing next to the flagpole casts a shadow 6 feet long. How tall is the flagpole?
asked by Alina 
math
Young and Company owes bond holders $5,500 interest at the end of each quarter for the next five years. How much must they deposit now at 8% interest compounded quarterly to yield an annuity payment of $5,500?
asked by Lynda 
math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest
asked by Anonymous 
math
Chris and Carol just bought a $14,000 van and financed it for 5 years at 7% interest. What are the monthly payments?
asked by Lynda 
math formula help needed
Angie needs to have $15,000 at the end of 6 years. How much should she deposit weekly into an ordinary annuity if it earns 6.5% interest compounded weekly?
asked by Lynda 
physics
Find the magnitude of the linear momentum of (i) a 7.1 kg bowling ball traveling at 12 m/s and (ii) a 200 kg automobile traveling at 90 km/h. (b) A pool player imparts an impulse of 3.2 Ns to a stationary 0.25 kg cue ball with a cue stick. What is the
asked by Byron 
Science
How far does a wave travel in three cycles?
asked by anon 
6th grade grammar
Can you explain linking verbs? I'm getting confused. (To decide, I used 'is' or 'was' to replace the verb). These are the ones I missed. 1. Paul's exhibit remained on display for an entire month. By replacing with 'was', the sentence still makes sense
asked by Alexis 
Science
Which mineral property test is the best way to tell the difference between each type of mineral? Why? Mineral Properties are: Luster Color Magnetism Hardness Streak Cleavage There are other mineral properties like Odor and Taste.
asked by Tiffany 
Geometry
To determine the relationship between miles and kilometers, if we use the conversion 39.37 inches= 1 meter, we find that 1 kilometer is approximately equal to 0.62 mile. What if we use the conversion 2.54 centimeters = 1 inch? How far apart are the answers
asked by John 
math
Mrs. Smith had 1/2 of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of pie did each child get?
asked by john 
Science(IPC)
1.00 L of a gas at standard temperature and pressure is compressed to 473 ML. what is the new pressure of the gas?
asked by Elizabeth 
physics
when you pedal a bicycle maximum torque is produced when the pedal sprocket arms are in the horizontal position, and no torque is produced when they are in the vertical position. explain
asked by faidscs 
Physics
This speed is the maximum possible speed attained by the roller coaster, or the “theoretical speed”. Roller coasters are carefully designed to minimize frictional forces so that they approach these theoretical speeds. The efficiency of a roller coaster
asked by Angie Need Help ASAP 
5th grade Math
Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.
asked by Kathryn 
chemistry
A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(lIf 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?)
asked by ellie 
Math
the diameter of the pizza was 14 inches. What was the ratio of the radius to the diameter of the pizza?
asked by Sandy 
AP US History
When the south Carolina seceded in 1860 they seceded because Abe Lincoln was elected president. But, is the secession of South Carolina also an example of state's rights? if so, how?
asked by K 
AIS
Regarding COBIT, which of the following statements is true? a) COBIT means Cost Objectives for Information and Related Technology b) COBIT rejects the definition of internal control from the COSO report c) COBIT states that a company’s management should
asked by Anonymous 
math
Andy needs to pay off a loan of $18,000 in 5 years. Find the amortization payment he would need to make each bimonthly pay period (twice a month) at 6% compounded bimonthly, in order to pay off the loan.
asked by Lynda 
Physics
The sun radiates energy at the rate of 6.5 x 10 to the power of 7 w/m squared.Assuming that the sun radiates as a black body(which approximate true), find its surface temperature.
asked by Anonymous 
physics
A 1600 kg car moves along a horizontal road at speed v0 = 13.3 m/s. The road is wet, so the static friction coefficient between the tires and the road is only μs = 0.21 and the kinetic friction coefficient is even lower, μk = 0.147. The acceleration of
asked by george 
American History
A recent trend in addressing problems such as public health and youth violence has been A. government consolidation and cooperation. B. home rule charters C. commission governments D. town meetings
asked by Anthony 
AP Algebra
Write the expression as a single logarithm: 2lnx+3lnyln24lnz
asked by keikei 
physics
the front wheels located far out in front of the racing vehicle help to keep the vehicle from nosing upward when it accelerates. what is its physics principle?
asked by faidscs 
math
How many 2 1/2 meter long strips of ribbon can be cut from a ribbon that is 750cm long?
asked by krystleallen 
IPC
the highest pressure ever produced in a laboratory setting was about 2000000 atm. if we have a .000010 liter sample of a gas at that pressure until it is equal to 0.275 atm, what would the new volume of that gas be?
asked by Elizabeth 
geometry
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
asked by Rachel 
pysics
when you pedal a bicycle maximum torque is produced when the pedal sprocket arms are in the horizontal position, and no torque is produced when they are in the vertical position. explain
asked by faidscs 
Brit Lit
There is good reason to be thankful.what is the sentence pattern.
asked by Anonymous 
geometry
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
asked by Rachel 
chemistry
A volume of 12.47 mL of 0.1080 M NaOH solution was used to titrate a 0.583 g sample of unknown containing K2HPO4. What is the percent by mass of K2HPO4 in the unknown? In this problem what mass of sample in grams would be needed to deliver about 23.40 mL
asked by lovely 
Chemistry
Consider the following chemical reaction 2HCL+ Ca(OH)2 CaCl2+2H2O You have mixed 30.00ml of 0.150 M HCl solution with 20.00ml of 0.100m Ca(OH)2 solution what is the molarity of the HCl, Ca( OH)2 and CaCl2 after the reaction has stopped
asked by Ruffles 
Physics
A uniform beam of weight 245 N, and length L, sticks out from a vertical wall. A lightweight cable connects the end of the beam to the wall, making an angle of 65.0° between the beam and the cable. What is the tension in the cable?
asked by Jon 
macroeconomics
1. What is the demand for money? What are the types of Money Demand? Explain further utilizing the determinants of Money Demand. How does the demand for money depend on the nominal interest rate? On the price level? On income? Explain in terms of the costs
asked by Latesha 
math
There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?
asked by krystleallen 
math
You deposit $7,900 in a moneymarket account that pays an annual interest rate of 4.3%. The interest is compounded quarterly. How much money will you have after 3 years?
asked by yo 
IPC
synthetic diamonds can be manufactured at pressures of 60000 atm. if we took 2.00 liters of gas at 1.00 atm and compressed it to a pressure of 60000 atm, what would the volume of that gas be?
asked by Elizabeth 
Math
A cylinder with a radius of 7cm has a capacity of 23000 cm3. a)What is the length/height of the cylinder? b)This cylinder is used to carry water underneath a road. How many cylinders are needed if the road is 500m long?
asked by Gia 
Maths
d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2
asked by Argae 
chemistry
A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?
asked by ellie 
calculus
A display case is in the shape of a rectangular box with a square base. Suppose the volume is 21 cubic ft and it costs $1 per square ft. to build the glass top and $0.50 per sq. ft. to build the sides and base. If x is the length of one side of the base,
asked by sara 
Physics
The Apollo spacecrafts were launched toward the moon using the Saturn rocket, the most powerful rocket available. Each rocket had five engines producing a total of 3.34 x 10 to the 7thX of force to launch the 2.77 x 10 to the 6 kg spacecraft toward the
asked by Lupe 
HTT / 230
Can you please tell me if i am on the right tract i more to do and want to see if i am understanding it. Review the SEC website at sec and the FASB Web site at fasb Identify the mission and main activities of each organization. What are the similarities
asked by Beckylynn 
math
Find the zscore such that the area under the standard normal curve to the left is 0.82. ______ is the zscore such that the area under the curve to the left is 0.82. (round 2 decimal places as need)
asked by Elaine 
Physics
The staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 m. If the spring constant is 51.0 N/m, how much elastic potential energy is stored in the spring when its length is 0.150 m?
asked by Anonymous 
chemistry
A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?
asked by ellie 
chemistry
hello this is ellie again. I need help on this one problem A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of
asked by ellie 
geometry
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
asked by Rachel 
science
If an automobile engine delivers 40.2 hp of power, how much time will it take for the engine to do 5.90 ✕ 105 J of work? (Hint: Note that one horsepower, 1 hp, is equal to 746 watts.)
asked by tim 
Physics
At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed
asked by Angie Need Help ASAP 
science help?
select the word from the following list to complete this paragraph ,you may use award once,more than once or not at all. (water,clay,sand,increases,decreases,air,permeable,textures) Soil of different..........appear to have differing capacity to retain
asked by sam ???????????????????? 
biology
The agricultural research facility during a research accidentally changed the DNA sequence of a wheat plant from GCCATGTT to GCGTACTT and this mutation resulted in a stronger plant variety. What kind of mutation did the plant undergo?
asked by Anonymous 
Physics
How far from the center of the earth must a satellite be placed so that the acceleration due to gravity is half the value at the surface? (Hint: the diameter of the earth is 1.3x107 m.)
asked by Emily 
physics
A dock worker loading crates on a ship ﬁnds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it
asked by sam 
Math
If 2/5 of a figure is shaded, what percent is not shaded?
asked by Mike 
IPC
in a thermonuclear device, the pressure of 0.050 liters of gas within the bomb casing reaches 4000000 atm. when the bomb casing is destroyed by the explosion, the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. what is the
asked by Elizabeth 
geometry
Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters,
asked by Rachel 
algebra
One cellular phone carrier charges $26.50 a month and $0.15 a minute for local calls. Another carrier charges $14.50 a month and $0.25 per minute for local calls. For how many minutes is the cost of the plans the same?
asked by sheila 
statistics
The average for the statistics exam was 72 and the standard deviation was 4. Kelsey was told by the instructor that she scored 1.85 standard deviations below the mean.
asked by Anonymous 
Social Studies (History)
When searching for evidence to support a claim, what are important things to remember? Please explain your response.
asked by Zachary 
Physics
A rectangular fish tank measuring 0.80m × 0.55m is filled with water to a height of 61cm . Part A What is the gauge pressure on the bottom of the tank?
asked by Help! final next weel 
physics
An obnoxious brat assigns his 0.0221kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth
asked by James 
english(check1answer)
which word in the following sentence is an indefinite article? A camera can also catch people who cause problems. A.a B.can(i picked this)but i know its wrong. C.also D.who please help me
asked by matt 
College algebra
Solve the system X=2y+3 3x+4y=59
asked by Sara 
geometry
Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters,
asked by Rachel 
physics
An obnoxious brat assigns his 0.0221kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth
asked by James 
math
Find the cumulative distribution for the table. (Use a value of 6 to stand for 6 or more bedrooms.) Number of Bedrooms Percent Cumulative 0 5% % 1 12% % 2 29% % 3 33% % 4 14% % 5 6% % 6 or more 1% %
asked by Anonymous 
Chemistry
What volume of 5% vinegar solution is needed to neutralize 1.0g of baking soda if density is 1.01g/ml
asked by Mary 
biology
Which provides more energy for the cell to perform its functions, cellular respiration or fermentation? Explain.
asked by shelby 
math
1.This number is a factor of 12. There are three letters used to spell the name of this number. It is a multiple of both 3 and 2. my answer is (6). 2.this number is factor of 20. It is less than 15 and greater than 3. It is not an even number. my answer is
asked by ezekiel 
Geography nd physical
Can i tyk geography nd physical science if i wnt 2 become a pathologist
asked by Thando 
Algebra 8th
Can anyone explain to me how to simplify an expression with negative exponents using the rules for multiplying monomials? Have to know it and im not sure!!
asked by purplebananas 
Maths
d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2
asked by Argae 
social studies
ancient egypt eventually fell under the power of what other ancient civilization
asked by mikel 
Language Arts 7 A Unit 4: Who Can We Really Coun
Please help ASAP! Synthesizing Quiz Multiple Choice 1. In "Loser," what event caused the main character to change? (1 point) • his date with Jenny • finding the lost boy 2. A small child is insistent if he (1 point) • sucks his thumb to sleep. •
asked by Mileena 
physics
A dock worker loading crates on a ship ﬁnds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it
asked by sam 
social studies
Which 5 American men are competing in the Skelton event of the 2014 Winter Olympics
asked by ava 
Lit
how does mark twain show racism and slavery in huckleberry fin? thanks!
asked by allie 
Physics
A glass window 5ft by 8 ft 0.3 in whose inner and outer faces are at respective temperature of 65°F and 64°F.The thermal conductivity of glass is 5.5 BTU over ft squared x hr x°F over inches Find its: A.)temperature gradient B.)Resistance C.)Driving
asked by Anonymous 
math
3 identical tables are 3 1/2 ft wide and 5 1/4 long. To make one long table, they are pushed together to share thrir short ends. What is the perimeter of the long table ?
asked by sam 
English
Thank you for your help. Is 'Sandy' a male name or a female name?
asked by rfvv 
English
So I put her(my pet turtle) in the water and blocked the sunlight, but she got worse.  1. She got worse. 2. She got bad. 3. She got best. 4. She got better. 5. She got well. (Can we use all the expressions? Are they all grammatical? Instead
asked by rfvv 
English
1. Is there something wrong with her? 2. Is there anything wrong with her? (Are both grammatical? What is the difference between them?)
asked by rfvv 
math :(
No solutions, one solution, or infinitely many solutions??? 2(x – 3) = 2x No solution* one solution infinitely solution 3(y – 3) = 2y – 9 + y No solution one solution infinitely solution 10x – 2 – 6x = 3x – 2 + x No solution one solution
asked by Anonymous 
English
Hello, Dr. Green.  In this expression, is Dr. Green a doctor who works at a hospital? Or is Dr. Green a professor in college?
asked by rfvv 
Calculus
The first boat is sailing towards the North at the speed of 6 km per hour and sees that another boat is heading east at the speed of 5 km per hour. The second boat is to the northwest of the first boat. what is the minimum distance between two boats,
asked by Jessica 
vocabulary
read each clue below.then find the vocabulary word on the right that matches the clue.draw a line from the clue to the word.
asked by makayla 
Science
Name the three ways in which heat is transferred, and describe how heat is transferred in each situation.
asked by Carley 
math
three sisters run a business. they charge $260 for each job. If the oldest sister earns 50% more than the middle sister and if the youngest sister earns 50% less than the oldest sister, how much does each sister earn per job? hint: Identify the variable
asked by ava 
math
The diameter of an electric cable is normally distributed, with a mean of 0.9 inch and a standard deviation of 0.02 inch. What is the probability that the diameter will exceed 0.92 inch? (You may need to use the standard normal distribution table. Round
asked by Anonymous 
Statistics
Your program plans to acquire a total of 600 end items costing $535 million over a fiveyear period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in thenyear
asked by Tony 
English
1. People in the Netherlands are surely hoping for another cold winter. 2. People in the Netherlands are surely hoping another cold winter. 3. Surely/Certainly people in the Netherlands are hoping for another cold winter. 4. It is certain (that) people in
asked by rfvv 
Algebra 1
How do you do this one Have a exponent with answer 8^6/8^4*8^2
asked by Jynessa 
physics
A null type of instrument as compared to a deflection type instrument has a higher accuracy or a lover sensitivity
asked by Sarsi 
math
g(x)=(2x^3+x^218x9)/(x^2+x6) A. Find the vertical asymptotes. b. find any holes. c. find any oblique or horizontal asymptotes. d. find if the graph crosses the oblique or horizontal asymptote.
asked by Joe 
chemistry
help balance HNO2+HNO3
asked by lindy 
English
What does it mean to be a "critical reader?" Why is this important?
asked by Samantha 
Young ScholarsAcademy
Quention and suani went to ray house of food dinner . their bill was $64 to which they added a 15%tip. how much did they pay in total
asked by Sarah 
Algebra
Is the relation of f(x) = x  2 the 2 that is inside the absolute value or is it the x2?
asked by Lois 
Algebra
I think I am a little bit confused with this absolute value thing. When do I change the sign inside? Example f(2)= 22. Is this equal to 4 or do I need to change a sign inside the absolute value when adding. I am trying to get some x and y values to
asked by Lois 
English
Write steps of how to practice well with your team to win the mach (Guiding words: football,,instructions,,coach,,obey,, follow concentrate,, sleeping early,,healthy food)
asked by Joi 
physics
A d.c. circuit can be represented by a voltage source of 10 V in series with an output resistance of 1 k ohm. An ammeter of 50 ohm resistance is connected to the source terminals for measurement of current. what will be the accuracy of measurement?
asked by Sarsi 
Penn foster
With respect to major rivers, the Mekong is to Vietnam as the Irrawady is to
asked by Barbara 
Math
1. 7h  5 = 4  4h h= 3 2. m+2m+1=7 m=2 4. 6z+5=4z7 6
asked by Jerald 
Math
To find 6424, you could first find 6424=40 then what should you do?
asked by Roxie 
Physics
In a uniform magnetic field, can an Amperian loop ever have a nonzero value of its line integral with the magnetic field? a)yes b)No, it will always be zero c)depends on the orientation and shape of the loop.
asked by Djp 
operating system
Problem 3 A block of mass m1 = 4 kg moves from rest under the influence of a varying force F(x) = 4x + 38, where F is in newton and x is in meters, on a rough horizontal surface having a coefficient of kinetic friction of 0.2. The block is connected by a
asked by Anonymous 
math
Mariah and Claire made a bowl of punch. Claire used 10 times as much lemonade as Mariah did. If Mariah used 3/5 of a cup of lemonade, how many cups of lemonade did Claire use?
asked by corey 
science
How do thermometers work? I have already looked on Google and I cant find anything! Please help me!
asked by Katey 
math
Anna uses 4/5 of vinegar in her salad dressing recipe.How much vinegar would Anna use to make 2 recipes?
asked by Curtis 
math
Six people shares 3/4kg of chocolate equally. How much chocolate does each person get?
asked by Danny 
Math
w+6=3(w+6) w=6 9. 4(x3)=4 x=4 10. 3(3x+4)2=9x+10 x=1
asked by Jerald 
Physics IMP
In a uniform magnetic field, can an Amperian loop ever have a nonzero value of its line integral with the magnetic field? a)yes b)No, it will always be zero c)depends on the orientation and shape of the loop.
asked by Djp 
math
Last week, Jake spent 6 1/4 hours reading, and Julia spent 3/5 as many hours as Jake did. How many hours did Julia spent reading?
asked by Alice 
math
Two sides of an isosceles triangle are 13 inches and 16 inches. What are two possible perimeters ? IS one 42 ?
asked by sam 
Geography
What would be a good trick to remember where all the Middle America and Bahama countries are? Much appreciated!!! Thanks!!!
asked by Izzy 
english(check 1answer)
which is a fact rather than a opinion? A.her voice was tired and low,and i am forever mopping up puddles left by the snow you and the boys track into the house. B.wilsons mother shook her head and picked up the mop again. C.the town,located in the snowbelt
asked by matt 
College Algebra
Find the probability of drawing two i's in a row without replacement.
asked by Sarah 
Algebra
Solve fro y, if 3y=24+4x
asked by JBrown 
College Algebra
Line m passes through (2,5) and (3,2) Find the slope of a line that is perpendicular to line m.
asked by Sarah 
math
how are 2 hours and the distance traveled in 2 hours represent in the table? how are they shown on the graph?
asked by rico 
College Algebra
A= [2 3 0] [4 1 6] 1. what is the additive inverse of A? 2. find 3A.
asked by Sarah 
MATH
F.Y.I ~ The height is 26" The width is 26" (so the graph has a lot of square !!! ) Use your graph to predict the total number of blocks in a square with 64 SHADED blocks. Please EXPLAIN your reasoning.
asked by Jen 
Math
Explain how a decimal is related to a percent.
asked by Khrys 
English
It is denoted by 0 K on the Kelvin scale, 273.15 ¡ÆC on the Celsius scale, and 459.67 ¡ÆF on the Fahrenheit scale.  Q: How do we read "273.15 ¡ÆC"?
asked by rfvv 
magnetism
In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free
asked by manu 
Math
Is the product of 0.02 x 0.02 the same as the product of 0.2 x 0.002? EXPLAIN.
asked by Orange 
magentism
A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the
asked by Sue 
physics
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of
asked by Anton 
magnetism
very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the
asked by manu 
magnets
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of
asked by BJ 
English
There were five children in the family. 1. Ann got best of all the children.  Is #1 grammatical? Does #1 mean "Ann became (the) best of all the children?"
asked by rfvv 
social studies
Where can I find a good, reliable source on the internet about the Bermuda Triangle? I would like a PDF with at least a few pages and I specifically am looking for scientific explanations. Sites that end with edu or gov would be great. I have been
asked by Ray 
chemistry
At equilibrium for the reaction A + 2B > C + D
asked by dakota 
calculus
(x/y)x^2 =1 implicit ?
asked by Tee 
College algebra
Solve the system Y=3x2 6x2y=30
asked by Sara 
Grammar, English
how can you identify direct objects?
asked by Lesily 
the cay(help)
1. Which of the following words could be used to describe Phillip so far? (1 point) capable hopeful mysterious 2. From what point of view is the story told? (1 point) first person point of view third person point of view 3. Which of the following is not a
asked by matt 
prealgebra
Four times a number is 21 more than the number. What is the number?
asked by sheila 
English
Q: To be a doctor at a hospital, do they all need to get doctors's degree in college?
asked by rfvv 
English
1. The race does not take place every year because the ice must be at least 15 centimeters thick. 2. The race does not take place every year because the ice must be not less than 15 centimeters thick. 3. The race does not take place every year because the
asked by rfvv 
prealgebra
A number equals six less than four times a number. What is the number?
asked by sheila 
English
I have hard time understanding this wordings :( Turner thesis* by about a hundred years: the myth of the American west did more than anything else to shape the American character. Civilization by its very nature takes away our freedom, but as Americans we
asked by J 
Pre Alg HELP
What can the scale drawing of a 10 x 8 ft room be? Help?
asked by Kurt Cornell 
Math
Explain how to use a protractor to measure an angle.
asked by Matthew 
Chemistry 2
Durango redox reaction the oxidation number of species Will decretase, increpase or stay the same
asked by Mary 
Math
Use the Associative Propety: 1/ Diego bought 7 sheets of stamps. Each sheet had 3 stamps per row. How many stamps did Diego buy in all ? The answer: 7*(3*3)= 7*9=63 2/ Four children have the same birthday . At their party ,each child had 1 cake there were
asked by Nawaf 
Science
Which mineral property is the best way to tell the difference between each type of mineral?
asked by Tiffany 
math
Last week, Charles spent 2 hours watching television. Madoline watched television for 2/5 as many hours as Charles did. How many hours did Madoline spend watching television?
asked by Alice 
calc
The derivative of a function f is f'(x) = x^2  8/x: Then at x = 2, f has A. an infection point B. a relative maximum C. a vertical tangent D. a discontinuity E. a relative minimum how do you test for all of these?
asked by sara 
Proofreading
I need this section of my article proofread one last time as I made some revisions as well as added new material.. please and thank you. Shipp is the only cofounder remaining since both Daniels and Winborne have graduated. She started off as a secretary
asked by Blaze 
Science
When would you want to have a corrosive reaction? I can find when you wouldn't want to have one but not when you wouldn't. Please help!! Thank you
asked by Cherie 
english(check1answer)
which word would you use to replace "security" to give the phrase "security camera"a negative connotation? A.school B.student C.crime D.nonstop
asked by matt 
Calculus
Evaluate cos[2arctan(2)] Need step by step for this one. Thanks
asked by Matg 
ALGEBRA 1
Simplify the expression. (1/z)^9 I got 1/z^9
asked by Jynessa 
Math
Gabby travels from Baltimore to Boston each year. It takes him 10 hours to get to Boston. He stops 3 times, for an hour each time. If he only stopped once, is it reasonable to say that he could get there in 6 hours? Explain.
asked by Jed 
Gen Chem II
This is in a nuclear radiation lab. (gamma rays from Cs 137 passing through lead. initial radiation (with one plate) 500cpm final radiation intensity with 2 plates 300cpm thickness of 1 absorbing plate in centimeters 0.635 I need to figure out the
asked by kyle