Questions Asked on
September 24, 2014

chemistry help
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants? 2Na(s)+Br2(g) >2NaBr(s) 1. 2mol Na, 2mol Br2 2. 1.8mol Na, 1.4mol Br2 3. 2.5mol Na, 1mol Br2 4. 12.6mol Na, 6.9 mol Br2
asked by Kimmie 
algebra. help!
Is 4x3=19 true, false, or open? Which of the following is a solution to the equation 16=4x4? a. 5 b. 4 c. 5 d. 16
asked by Hannah 
Statistics 2
In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
asked by Vanessa 
physics
A book of mass 7 kg rests on a plank. You tilt one end of the plank and slowly increase the angle of the tilt. The coefficient of static friction between the book and the plank is 0.40. What is the maximum angle of tilt for which the book will remain
asked by jill 
Chem
16.3 L N2 at 25 °C and 125 kPa and 40.7 L O2 at 25 °C and 125 kPa were transferred to a tank with a volume of 5.50 L. What is the total pressure at 45 °C?
asked by Anonymous 
science
the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons
asked by noah 
English
The 'White House' has been home to many animals as well as presidents. (1 point) common noun proper noun compound noun collective noun
asked by Hannah 
science
the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons
asked by noah 
Algebra 2
There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle? Possible answers: 4x(5) other person's answer 8x2(5
asked by Sandra 
6TH GRADE
Describe a realworld situation that is modeled by multiplying two fractions or mixed numbers. Can someone give me an example?
asked by Olivia 
Chemistry
The solubility of acetanilide in your recrystallizing solvent is 5.0 mg per mL at 10 degrees Celsius. Calculate the maximum percent recovery in this experiment, assuming a 15.0 mL recrystallizing solution is filtered at 10 degrees Celsius.
asked by Anonymous 
"At Harvesttime" by Maya Angelou (ASAP!)
1. In "At Harvesttime," what does Angelou propose is a life principle that cannot be changed? A: In “At Harvesttime,” Angelou proposes that baring the consequences of a person’s actions is a life principle that cannot be changed. 2. How does she
asked by Victoria 
Science! Help!!
In pea plants, purple flowers are dominant over white flowers. Which Punnet square correctly shows the cross of a plant with white flowers and a plant that is heterozygous for purple flowers? A. Aa,Aa, aa, aa B. Aa,Aa, Aa,Aa C. AA,Aa, Aa,aa D. AA,AA, Aa,Aa
asked by Gwen 
Physics MCAT, Help please
A box of mass m = 6kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece, with mass m1 = 2kg moves in the same direction with speed v1 = 8m/s. Find the velocity of the second piece. Its answer is 2 m/s
asked by Shahab Mirza 
ap chemistry
what mass of barium sulfate can be produced when 100 ml 0.100 M of solution of barium chloride is mixed with 100.0 ml of a 0.100 M solution of Iron (III) sulfate
asked by mathew 
language arts
From reading “The Raven and the First Men: The Beginnings of the Haida,” the reader can tell that the Haida people value family due to the actions of A.the baby toward the daughter. B.the Sky Chief toward Raven. C.Raven toward the Sky Chief. D.the
asked by chase 
statistics 2
In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
asked by Vanessa 
Physics
The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run
asked by Lorine 
calc 3
Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x2 + y2 and the ellipsoid 7x2 + 2y2 + 6z2 = 33 at the point (−1, 1, 2). (Enter your answer as a commaseparated list of equations. Let x, y, and z be in
asked by chinne 
Language Arts
What final events in "The Finish of Patsy Barnes" and "The Drummer Boy of Shiloh" enable Patsy and Joby to change? A. Wearing maroon and green; beating his drum. B. Riding Black Boy to win the race; encouragement by the general. C. Meeting Mr. Brackett;
asked by Gwen 
Chem 132
If the density of a 40.0 mass % solution of ethylene glycol in water is 1.0514g/mL at 20 celcius what is the molarity
asked by RB 
chemistry
How many grams of chlorine gas are needed to make 5.10 × 106 g of a solution that is 1.50 ppm chlorine by mass?
asked by Anonymous 
math
In a football game, a touchdown with an extra point is worth 7 points and a field goal is worth 3 points. Suppose that in a game the only scoring done by teams are touchdowns with extra points and field goals. A: Which of the scores 1 to 25 are impossible
asked by KG 
Physics
The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run
asked by Lorine 
Math
A full 355 mL can of Coke is leaking at a rate of 5mL per minute into an empty can. How long will it take for the two cans to have the same amount m of Coke? Is the equation 335+5m= something? I'm not sure
asked by Coleson 
Statistics 7
Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (BusinessWeek, March 9, 2009). You would like to see if the data support this
asked by Vanessa 
algebra. help!
is 7+9=9+7 true false or open
asked by Hannah 
History on Middle Ages(PLEASE HELP NOW)
I am back AGAIN. 1. Guilds did all of the following except a. vote on religious issues that affected trade. b. set prices and prevented outsiders from selling goods in town. c. set standards for the quality of their goods. d. pay dues that helped support
asked by dddd47906 
LA  pronouns
Which kind of pronouns are used in the following sentences? After staying up all night to read the complete works of Poe, Tyler managed to scare himself. reflexive intensive personal possessive I asked you if you'd given her the documents yet. reflexive
asked by SkatingDJ 
Language Arts
What is similar about Patsy in "The Finish of Patsy Barnes" and Joby in "The Drummer Boy of Shiloh"? A. Both are affected by their surroundings. B. Both are from Little Africa. C. Both are fighting a war. D. Both are static characteristics. Is the answer
asked by Gwen 
chemistry
6 small glass beads are found to weigh 9.34 g. The beads are placed in a graduated cylinder filled with ethyl alcohol (density 0.78 g/mL). The reading of the liquid in the cylinder before the beads were added is 21.5 mL. After the beads sink to the bottom
asked by Laurence 
Science
Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron
asked by Jeff 
British Literature
I have to write a compare and contrast essay of the characterization of Sir Gawain and The Wanderer and I can't really find a difference between the two characters. I've found many ways I can compare the characters, but no differences. I need help finding
asked by Sabrina 
Physics 103
You're squeezing a springy rubber ball in your hand. If you push inward on it with a force of 1 N, it dents inward 2 mm. How far must you dent it before it pushes outward with a force of 3 N?
asked by Molly 
math
Suppose your teacher tells you to write a word problem using the number 3. Which would be the best object to use in your problem? Explain. Then write and solve a word problem using that object. (tricycle, bike, wagon)
asked by Bryce 
8th Grade US History
How is manifest destiny important to our past and future? How is it important? I don't really get what manifest destiny is... all we did in class is read O'Sullivans document called Manifest Destiny
asked by INeedHelp 
math
Player B's longest home run distance is 500 ft. There are 5,280 ft in 1 mi.How many home runs would Player B need to hit at his longest distance for the total to be greater than 1 mi?
asked by LAKSHMI 
Plz Hellp
Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?
asked by Sara 
math
In class of 24 students, 13 students sold over 150 raffle tikets each, and the rest of the class sold about 60 tikets each. the class goal was to sell 2,000 tikets. did they rach their goal?
asked by LAKSHMI 
MATH
Estimate the indicated derivative by any method y=1x^2 ; estimate dy/dx , x=1 I know I would use the f(x)= f(x+H)(x)/h I am a bit overwhelmed with what to do next. Thanks John
asked by John 
Chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 400mL of a solution that has a concentration of Na+ ions of 1.10M ?
asked by Ashley 
Science
smallest unit that consists of at least one atom A. Protons B. Neutrons C. Electrons D. Molecules Im thinking D but im not sure i don't remember.
asked by Sara 
language arts
Identify the complete adjective clause. The car I drive has 50,000 miles on the odometer.
asked by brandon 
physics
A bullet is fired straight up from a gun with a muzzle velocity of 225 m/s. Neglecting air resistance, what will be its displacement after 6.1 s? The acceleration of gravity is 9.8 m/s2 . Answer in units of m
asked by ashlie 
physics
Points A, B, and C are at the corners of an equilateral triangle of side 9 m. Equal positive charges of 11 mu or micro CC are at A and B. (a) What is the potential at point C? how do I find the potential?
asked by Anonymous 
PreCalculus
Help please, am i correct? The border line of the linear inequality 4x2y < 1 is solid. True False
asked by Anonymous 
HISTORY
1. What was thee one product that the salzburgers had some success with in Georgia that other settlers did not? A. Squash B. Rice C. Corn D. Silk ***** 2. which of the following actions of the trustees did the malcontents dislike? A. Women were not allowed
asked by HELP ME 911 
Tourism,maths lit,economics,business studies
am studyng Grade11 and am confused,I feel i want to study Tourism and hopefully make it my career but i also want a career that includes all my subjects not to pick from one them.What should i study after grade12?Help please
asked by A.Mzembe 
Algebra
Wanda took out a personal loan for $16,000 at 9% simple interest. How much interest will she pay after 5 years? Suppose she pays off the loan in 3 years instead of 5 years. How much money will she save in interest?
asked by Sara 
Physics
a child slides down a slide with 26 degrees inclined and at the bottom her speed is 1/4 of what it would have been frictionless. Calculate the coefficient of kinetic fiction between the slide and the child?
asked by Anonymous 
Oliver Springs
Please help,Math,Problem;John and George together raked 7/8 of the yard. John raked 3/4 of that amount. What part of the yard did John rake?
asked by Faye 
math
At the city museum, child admission is $5.40 and adult admission is $8.70 . On Thursday, three times as many adult tickets as child tickets were sold, for a total sales of $693.00 . How many child tickets were sold that day?
asked by kkk 
Physics(pleaseee help!!)
You drop a water balloon on your friend’s head from the thirdstory window of your apartment building, 15.0 m from the ground. What is the water balloon’s acceleration while it is in the air? • How much time does it take for the water balloon to
asked by Maria Jose 
chemistry
The reaction of 9.58 g of Carbon with excess O2 yields 8.90 g of CO2, what is the percent yield of this reaction?
asked by janet 
English: Please help
Identify the word that best describes the underlined word which for this sentence is "the shelter" The volunteers provided the shelter with new crates, beds, and bowls for the dogs. 1.direct object ****** 2.indirect object 3.predicate nominative
asked by Cassie 
Chemistry
If a sample of silver carbonate contains 1.75 grams of silver [Ag] atoms, calculate the mass (in grams) it contains of oxygen atoms [O].
asked by Jenn 
Math
jason mixed 3/8 cup of sugar with 1 5/6 cups of water. how many more cups of water than sugar did he use in his mixture?
asked by Jim 
Math
The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 miles from the center of the earth), an astronaut weighs 110 pounds. Find her weight when she is 139 miles above the surface of the
asked by Stacy 
math
A class is. Planning. A. Party. A pizza restaurant cuts. Each. Pizza. Into 8. Slices there are 32 students how many. Pizzas. Does the. Class. Need to. Order. For each. Student to have a slice explain please
asked by parneet 
Math
1/4 of the roses in the garden are red, 1/3 of the remainder are yellow, and the rest are pink. There are 24 more pink roses than red roses, how many roses are there altogether?
asked by Darnell 
Mathcalculus
At a certain point on the beach, a post sticks out of the sand, it's top being 76 cm above the beach. The depth of the water at the post varies sinusoidally with time due to the motion of the tides. The depth d is modeled by the equation
asked by Matt 
Calculus
The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009 (t=0 represents 2000) Year t 3 5 9 Percentage p(t) 6.8 7 6.2 (a) Compute and interpret the average rate of change of P(t) (b) Over the
asked by Ellen 
physics
A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.6 m. The dog is running with a speed of 8.9 m/s and catches the cat after 6.9 s. How fast did the cat run?
asked by Alexis 
statistics 7
Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (BusinessWeek, March 9, 2009). You would like to see if the data support this
asked by Vanessa 
math
An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the students model is 42 in. What should the width of the model be? a. 17.5 in b. 20.5 in c. 83.6 in d. 100.8 in Use mental math to
asked by Abby 
statistics 3
An airline promotion to business travelers is based on the assumption that no more than twothirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Expresssponsored survey that
asked by Vanessa 
Statistics 3
An airline promotion to business travelers is based on the assumption that no more than twothirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Expresssponsored survey that
asked by Vanessa 
Math
At one store a trophy costs 12.50 dollars and engraving cost 0.40 cents. At another store the same trophy costs 14.75 dollar and engraving costs 0.25 cents. How many letters, e must be engraved for the costs to be the same? 15 letters What will the cost of
asked by Coleson 
Statics
I have a structure that is constructed of circular rod that has a mass of 7 kg per meter of length. I must determine the moment Mo about O caused by the weight of the structure. From the origin (O), the structure is 2m tall (z direction), branches outward
asked by Bryan 
Chemistry
Four isotopes of Lead occur naturally: 204Pb (mass = 203.973037 amu) 206Pb (mass = 205.974455 amu) 207Pb (mass = 206.975885 amu) 208Pb (mass = 207.976641 amu) If the percent abundance of 204Pb and 208Pb are 1.400 and 52.40, respectively, what is the
asked by Kayla 
algebra
If you walk 3/4 mile and then jog 2/5 mile, what is the total distance covered?
asked by Jacqueline 
chemistry
what mass of silver chloride can be prepared by the reaction of 100 ml 0,20 M of silver nitrate with 100,0 ml of 0.15 M calcium chloride calculate the concentration of each ion reamaining in solution after the precipitation is complete
asked by mathew 
math
Player A's longest home run distance is 484 ft.if player A hits 45 home runs at his longest distance,what would the total distance be ?
asked by LAKSHMI 
math
a recipe for 50 banana cookies uses 1 1/2 pounds of bananas. How many pounds of bananas would you need if you wanted to make 75 banana cookies? 1 1/2 divided by 50 and I looked at a measuring and came up with 2 1/4 but don't know how to show how I got that
asked by shirley 
Physics
Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB
asked by Anonymous 
Statistics 1
A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.
asked by Vanessa 
Organic Chemistry
The solubility of compound A in ethanol is 0.5 g per 100 mL at 0oC and 5.0 g per 100 mL at 78oC. (a) To make a hot, saturated solution of 15.0 g of A at 78oC, how much ethanol is required? (b) When the solution prepared in is cooled to 0oC, how much of
asked by Mac 
physics
Two canoeists start paddling at the same time and head toward a small island in a lake. Canoeist 1 paddles with a speed of 1.40m/s at an angle of 45 degrees north of east. Canoeist 2 starts on the opposite shore of the lake, a distance of 1.5 km due east
asked by Marissa 
math
It is 7 digit even number.There is no repetition of digits. The digit 5 is in thousands place. The greatest digit is in thee millions place. the digit in the hundred thousandsplace twice the digit in the hundreds place.The digit in the thousands place is
asked by Ulises 
Math
1/5 of the people in a village have been inoculated against measles. If 50 people have been inoculated, the number of people in the village is ?
asked by Nuwel 
math
If tany(1+tanx)=1tanx, show that dy/dx=1
asked by shoaib 
Physics
Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by : a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB
asked by Anonymous 
physics
A flatbed truck is supported by its four drive wheels, and is moving with an acceleration of 7.4 m/s2. For what value of the coefficient of static friction between the truck bed and a cabinet will the cabinet slip along the bed surface?
asked by jill 
chemistry
A helium balloon contains 0.30g of helium. Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it contain?
asked by bob 
statistics
The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in Northern Kentucky use this price as a population mean population standard deviation is $.20. question. what is the probability that the mean price for a sample of 30
asked by thickhoneybrown 
physics
A basketball player achieves a hang time of 0.75 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s2 . Answer in units of m
asked by ashlie 
MathTeach me?
Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 Can someone show me how to do this?
asked by Anonymous 
oklahoma history
After the signing of the Treaty of Paris in 1763, France gave __________ to __________.
asked by dede 
physics
What is the moment of inertia of a triangular plate ABC of mass M and side BC=a about an axis passing through A and perpendicular to the plane of the plate.
asked by hello 
Math
Write a real world description to fit the expression 50 divided by 5.
asked by Alexis 
math
Am confused. The bases of a prism are right triangles with side lengths 6 meters, 8 meters, and 10 meters. The height of the prism is 3 meters. What is the lateral area of the prism? What is the total surface area? L=Ph perimeter is side(1)
asked by taylor 
statistics 1
A study found that, in 2005, 12.5% of U.S. workers belonged to unions (The Wall Street Journal, January 21, 2006). Suppose a sample of 400 U.S. workers is collected in 2006 to determine whether union efforts to organize have increased union membership.
asked by Vanessa 
chemistry
A mothball, composed of naphthalene (C10H8), has a mass of 1.10g
asked by bob 
Algebra
The power P (in watts) generated by a windmill that has efficiency E is given by the formula P = 0.31ED^2V^3, where D is the diameter (in feet) of the windmill blades and V is the wind velocity (in ft/sec). Approximate the wind velocity necessary to
asked by Ashton 
math
A cube with an edge length of 4 in is painted on all its sides. Then the cube is cut into 64 cubes with an edge length of 1 in. What percent of the total surface area is painted?
asked by lacy 
Math 112
A student asks why "congruent" rather than "equal" is used to discuss triangles that have the same size and shape. What do you say?
asked by Enis 
Physics
A proton with a kinetic energy of 4.7×10−16J moves perpendicular to a magnetic field of 0.25T .
asked by Anthony 
Statistics
An ESP experiment is conducted by a psychologist. For part of the experiment, the psychologist takes 10 cards numbered 110 and shuffles them. Then she looks at the cards one at a time. While she looks at each card, the subject writes down the number he
asked by <3 
ap chemistry
what volume of0.100 M NaPO4 is required to precipitate all the lead(II) ions from 150ml of 0.254 M Pb(NO3)2
asked by mathew 
Chemistry
A 45kg sample of water absorbs 349kJ of heat. If the water was initially at 25.5 degrees Celsius, what is its final temperature?
asked by Makala 
Math
Kendra wants to purchase a bead necklace made of Jade. The cost depends on the amount of Jade in the necklace. Each bead is 7 mm in diameter and there are 100 beads in the necklace. What is the amount of Jade in the necklace in cubic centimeters? Please
asked by Cherie 
Algebra Based  Physics Help Please!!!!
a) In 1897, Madeline Boardman won the longdrive contest during the U.S. Women's Amateur Golf Tournament. Her winning drive was 125 m. if the ball was hit off the tee at a 45 degree angle, what did the magnitude of its initial velocity have to be for her
asked by Tim 
Algebra
There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle? I keep coming up with 4x(5)but I don't think that is
asked by Sandra 
math
The base of a triangular prism is a right triangle whose legs are 7cm and 24 cm. The height of the prism is 30cm. What is lateral area of prism?
asked by lacy 
Algebra
A coin collection contains 30 coins in nickels, dimes, and quarters. There are three more dimes than nickels. The value of the coins is 3.55. Find the number of quarters in the collection.
asked by Lois 
physics
A soccer ball rolling across a field with an acceleration of 0.5m/s/s rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?
asked by Ahmad 
Biology
During transcription, when RNA nucleotides form base pairs with the DNA template, does this mean that RNA nucleotides and DNA nucleotides pair up?
asked by Anonymous 
math
a recipe for 50 banana cookies uses 1 1/2 pounds of bananas. How many pounds of bananas would you need if you wanted to make 75 banana cookies?
asked by shirley 
social studies
True or false The ancient Egyptians were monotheistic;they believed in only one god.
asked by emma 
Calculus
At what point does the normal to y=51x+3x^2 at (1, 3 ) intersect the parabola a second time? Answer: Note: You should enter a cartesian coordinate. The normal line is perpendicular to the tangent line. If two lines are perpendicular their slopes are
asked by Megan 
conceptual physics
you are in a plane traveling due North at 325 km/hr. The plane encounters a headwind (South) wind of 50 km/hr. What is the resultant velocity of the plane?
asked by harper 
Math please check my answers
Decide whether the lines in each pair are parallel , perpendicular, or neither. Justify your answers: A.) m=3/4 m=12/16 B.) m=100 m=0.01 C.) m=10 m= 0.1 My answers: A.) parallel because they both equal to 0.75 B.) neither because they aren't the same and
asked by Bella 
Algebra
I am having a hard time getting the right answer for this problem. Two people disagree. Please help... There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the
asked by Sandra 
ap chemistry
what volume 0,100M of Na2PO4 is required to precipatate all the lead(II) ions from 150 ml of 0.250M Pb(NO3)2
asked by mathew 
Math
the angles are adjacent and form an angle measuring 140 degrees. the measure of the smaller is 28 degrees less than the measure of the larger.
asked by kahn 
Physics 103
Your new designer chair has an Sshaped tubular metal frame that behaves just like a spring with the spring constant 13000 N/m. When your friend, who weighs 940 N, sits on the chair, how far does it bend?
asked by Molly 
MathCheck my answers
Choose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p **** Which word phrase could represent the variable expression 1/2 a + 4? 4 more
asked by Anonymous 
science
The energy of a mole of photons with frequency 6.00x10^14Hz is what in kJ?
asked by Marie 
physics
Your friend is an environmentalist who is living in a tree for the summer. You are helping provide her with food, and you do so by throwing small packages up to her tree house. If her tree house is 27 m above the ground, what is the minimum (initial) speed
asked by Anonymous 
math
A certain pencil comes 4 in a package for $.75. Find the cost of 24 pencils.
asked by kayla 
Algebra
A class of 23 students was using square tiles to build rectangular shapes. Each student had more than 1 tile and each had a different number of tiles. Each student was able to build only one shape of rectangle. All tiles had to be used to build a rectangle
asked by KG 
Physics
A car is moving with a velocity of 10.1m/s [N] while on a ferry that is moving across a lake. If an observer on a shore measures the velocity of the car to be 29.0m/s [N] how quickly is the ferry moving?
asked by Ella 
Math question? Only 1.
Use the order of operations to simplify the expression. –18 + (–4) + 20 + (–3) I know the answer is 5. Care to show me how to do it step by step, please?
asked by Anonymous 
Algebra 2
Without graphing, identify the verx, axis of symmetry, and transformations from the parent function f(x)= absolute value of x y= 4 absolute value of x2
asked by Nick 
physics
A dog travels at a rate of 4m/s[S] in a train car that is moving 12m/s[N]. Find the dog's velocity relative to the ground.
asked by Diya 
Math
Bricks have a mass of 1.75kg each. How many bricks are there in 5wholenumber 1/4 tonnes
asked by Nuwel 
TO MS SUE
Please check my answers to my question, I posted this question before but no one answered or helped me. All I need is for someone to check my answers :)
asked by Bella 
math
John can build 7 birdhouses in 5 hours, write an equation that will allow john to calculate the time it will take to build any given number of houses. HOW MANY HOUSES in 40 hours? #2 How long will it take to build 35 houses?
asked by sam 
math
For every girl taking classes at a Martin martial arts school there are 3 boys who are taking classes at the school. If there a 236 students taking the classes write and solve a proportion to predict the number of boys taking classes at the school?
asked by amber 
Physics
One object is thrown straight up at 54.9 m/s from the ground at the base of a building with is 157.9 meters tall. At the same time the object is thrown up at the bottom of the building, another object is thrown straight down at the top of the building. If
asked by Kimmy 
Math
A conical paper cup is to have a height of 3 inches. Find the radius r of the cone that will result in a surface area of 6ðin^2.
asked by Kyle 
Examination Number
. Among instances of corporate malfeasance in the early twentyfirst century, the _______ scandal was the most shocking and economically damaging for employees and shareholders
asked by Anonymous 
Chemistry
In lab, we were finding the distribution coefficient for propanoic acid and ethyl acetate. As well as propanoic acid and toluene. How would you write the chemical equation for the reaction of propanoic acid and ethyl acetate? I know it produces water in
asked by Lilian 
physics
An airplane with a speed of 53.8 m/s is climbing upward at an angle of 42° with respect to the horizontal. When the plane's altitude is 840 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly
asked by Sarah 
English
fragments or run on sentences He's going to law school. To be an attorney like his mother Fragment She was the worst student in her class. Because she got all the lowest grades. Run on senence
asked by bren 
Chemistry
Assume that the width of your body (across your shoulders) is 50.8 cm inches and the depth of your body (chest to back) is 25.0 cm. If the atmospheric pressure is 14.9lb/in^2, what mass of air (lb) does your body support when you are in an upright
asked by Joey 
Brown Mackie College
At the end of the fiscal year, what accounts are debited and credited to record the division of net income among partners?
asked by Anonymous 
Chemistry
Three isotopes of Argon occur naturally: 36Ar (mass = 35.9675 amu) 38Ar (mass = 37.9627 amu) 40Ar (mass = 39.9624 amu) If the percent abundance of 36Ar is 0.3400, what is the percent abundance of 40Ar?
asked by Amanda 
Education
Personal Reflection: what attitudes, skills, and values, do you do as an individual, need to develop in order to implement a multicultural/antibias curriculum? I have to write a paper on that question and I don't understand what this mean? Can anyone
asked by Elisa 
CHEMISTRY
The solubility of NaNO3 at 40 oC is 102 g/100 g H2O , what is the minimum amount of water to dissolve NaNO3 ( mass of solvent ) ?
asked by MAD 
Personal Finance
Claire earned $9000 in a 15 month CD that pays an annual 8.67% . How much did Claire earn with this? Could you show me the steps to the answer
asked by Wanda 
algebra
Jesse and Larry entered a pie eating contest. Jesse ate 5 less than twice as many pies as Larry. They ate a total of 16 pies. How many pies did each eat.
asked by kayla 
physic
calculate the electric force between the two charged particles q1=4c and q2=6c the distance between these charges is 9 m
asked by rahul vijay 
chemistry
An alkaseltzer tablet weighing 3 grams is added to a flask of water (weighing 250 grams).At the end of the experiment, the flask weighs a total of 249.6 grams.Explain why this experiment does not seem to follow the Law of Conservation of Mass and how the
asked by anonymous 
calculus
Find the interval [a, b] on which the function f(x) = 2 x3+3 x2−12 x+3 is decreasing. Enter your answer as: [a, b] for some constants a, b.
asked by Anonymous 
Urgent english help
I'm writing an English persuasive essay and I'm wanting to put a quote from a person as the thesis. How would I quote it? Do I quote it then put the name of person in parentheses? Please help me thanks!
asked by Anonymous is 
African History
what is the controversy concerning the racial identity of the ancient Egyptians. What is the significance of this controversy for the history of African Americans? .
asked by Denise 
English/language arts
What is the complete subject in the sentence That orange deposit on the outside surface is called rust.
asked by Riley 
Math 112
On a test, a student wrote A B ~= C D instead of A B ~= C D. Is this answer correct? Why
asked by Enis 
Math 1 question
Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 I know the answer is 6.
asked by Anonymous 
History
How many main sects are in Christianity? I know that "main" can be interpreted differently, but I want a reasonable number so I get the idea.
asked by Anonymous 
physics
if a ball is thrown horizontally from the top of a cliff and takes 3 seconds to reach the beach below. calculate the height of the cliff by considering the vertical motion only. answer : s=ut+half at(square) s=0*3+half*10*3 s=3+45 s=48 m/s(square)
asked by maham 
Algebra, Please Help!
How do i find the radius of a circle with the center (16/11,79/11)? Thanks
asked by Bella 
History
What are some similarities in the origins of Islam and Christianity?
asked by Anonymous 
physics
Gravity is pulling downward on a 20.0kg block resting on a 15 degree incline. What is the magnitude of the force component parallel to the surface (hint: how to turn 20.0kg into force)?
asked by Sandara 
math
let the two angles e represented by 'a' and 'b'. obtain two equations for each case, and then find the angles. the angles are adjacent and form an angle measuring 75 degrees. their difference is 21 degrees.
asked by matkani 
math
A rectangular prism has a length of 8 in and a width of 7 in. The lateral area is 150 square in. What is height of prism? Have no idea how to do this....please help
asked by taylor 
Physics of Modern Technology
1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 1018 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4
asked by Anonymous 
Chem
Dear Dr., What formula is this? En = Z^2RH/n^2 I saw you use it in one of your explanations. I know its been a few yrs since u last posted it. Pls help thanks! Yours sincerely, Johan
asked by Johan 
PreCalculus
help please Identify the slope and intercept of the following linear equation. y=3/7x5 Slope: 3/7; intercept: 5 Slope: 5; intercept: 3/7 Slope: 5; intercept: 3/7 Slope: 3/7; intercept: 5
asked by Anonymous 
trig
karen, (who is 1,6m tall) wishes to calculate the height of a tall tree. she stands 50m from the base of the tree and measures its angle of elevation to be 36 degrees. determine the height of the tree?
asked by lisa 
math
Find a scalar equation of the plane that contains the given point P=(3,3,1)and the given normal vector n = (1,4,7.
asked by Tech Nine 
Chemistry
Find the mass (in g) of Carbon in 2.980 g Carbon dioxide.
asked by Hannah 
geography
ATTENTION!! Iwant the answer of the question RIGHT NOW!! so can anyone answer the question and I'll be waiting for it. Q:1 What do you need in the study of Geography?
asked by Kashaf Imran. 
algebra
I invest a sum of money at 10% annual simple rate and twice that amount at 12% annual simple interest.My total yearly in come from both investment was $2890,how much was invested at each rate? Also What is the speed of each train if one train travels 8 mph
asked by john 
Math
A souvenir consisting of a cube with an inserted sphere is made to represent Earth. Both pieces are made out of solid crystal. The sphere replaces one quarter of the volume of the cube. Calculate the volume of the souvenir piece. The sphere has diameter of
asked by Cherie 
PreCalc
A quadratic function has its vertex at the point (5,2). The function passes through the point (8,10). Find the quadratic and linear coefficients and the constant term of the function.
asked by Caleb 
Metric Spaces Proof
d(x,y)={ 1 if x does not equal y 0 if x=y Prove that d satisfies the axioms of a metric. clearly it satisfies d(x,y) existing in the reals, and d(x,y)>=0 and d(x,y)=0 iff x=y. why I don't know is triangle inequality and d(x,y)=d(y,x).
asked by Ashley 
Math
Patty wants to use at most 6 gallons of paint to cover her house and garage. The house takes 5 times as much paint as the garage. Which inequalit best represents the situation if g represents the amount of paint that can be used on the garage A. g+5g ≤ 6
asked by Coleson 
chemistry
if 5.105 gm of KHP (Mwt=204.2)was dissolved in 250 ml,10.70 ml of this solution of KHP was titrated with 10.0 ml of NaOH . Calculate the concentration of NaOH solution
asked by bibi 
History
How did Jesus begin his teachings on love, ethics, etc?
asked by Anonymous 
math
assembly line worker at robs bicycle factory at the sea to bicycle at a rate of 2 seats in 11 minutes. Write a proportion relating to the number of seats s to the number of minutes m at this rate how long will it take to add 16 seats? 19 seats?
asked by amber 
Grammar
Rewrite each of these sentences, correcting any errors in subjectverb agreement. If the subject and verb, write Correct. 1. No one of Columbus' sailors are in good health. A: Correct? 2. Neither success nor victory comfort the dying soldier. A: Neither
asked by Victoria 
physics
A hotair balloon is rising upward with a constant speed of 2.35 m/s. When the balloon is 2.50 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
asked by Jane 
Physics
Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.45 m/s, while the speed of the current is 2.0 m/s. If it takes the swimmer 160 s to cross the river, how wide is the river?
asked by Natalie 
physics
A spacecraft is traveling with a velocity of v0x = 5690 m/s along the +x direction. Two engines are turned on for a time of 845 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.35 m/s2, while the other gives it an
asked by Kaley 
Math
A cylinder has volume of 339.3cm^3 and height of 3cm. What is the radius? Please help! Can you show me the formula to use and the steps involved in getting the answer? Thank you for your time.
asked by Cherie 
math
A glass prism on a chandelier is 75mm long. A base of the prism is an equilateral triangle with side lengths of 9mm and a height of about 7.8 mm. What is approximate surface area of prism?
asked by taylor 
Maths
the ratio of the number of boys to the number of girls in a class is 4:7. if there are 12 more girls than boys, find the total number of pupils in the class.
asked by Sarah 
Physics
A body of mass 20 kg moving with a velocity of 80 m/s collied with another body mass of 5 kg moving with a velocity of 50 m/s. If they move together after colision. Find common velocity.
asked by Ujjal 
Algebra Help
How do I find the center of a circle using the points (2,8) (4,6) (1,1) I also found the Equation of the perpendicular bisector of the line between the first and second point which was y=(3/2)x + 5 And the Equation of the perpendicular bisector of the
asked by Bri 
math
What is the domain and range of ln(4xy)
asked by Ashley 
mathpre calc
On a drive from your home to town, you wish to average 48 mph. The distance from your home to town is 106 miles. However, at 53 miles (half way), you find you have averaged only 36 mph. What average speed must you maintain in the remaining distance in
asked by liz 
Math
Two different 6digit numbers each have three 8's and and three 7's.No two digits next to each other are the same.write the numbers in standard form
asked by Jessel 
Chem Check Please!
What type(s) of chromatography is/are most appropriate for solids? Explain LiquidSolid Chromatography ThinLayer Chromatograph What type(s) of chromatography is/are most appropriate for liquids? Explain High performance liquid chromatograpy
asked by Anonymous 
Algebra II Honors
There are some interesting special cases in which the graphs turn out to be parallel, perpendicular, or coincident with the coordinate planes or axes. Sketch a graph of each of the following equations by drawing their traces as in Problem 1. Then tell what
asked by Crystal 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron.
asked by Sarah 
Maths
Please help me, Wendy went to a bakery to buy cakes and doughnuts. She spent $14 altogether on 30 cakes and doughnuts. Each cake cost 40 cents and each doughnut cost 50 cents. How many cakes and doughnuts did she buy?
asked by J.Sarah 
Physics
If the acceleration of this block is 5m/s/s, what is the coiefficient of kinetic friction? 20kg at 60 degrees. _ _ _ _ 60 degrees
asked by Diya 
PreCalculus
help please in what form is the following linear equation written: 3x2y=4 Slopeintercept Pointslope Standard Riserun
asked by Anonymous 
CHEMISTRY
How to determine direction of polarity? For instance im studying from a practice quiz, an it says that in CH3OH the oxygen is slightly negative, which is understandable as its next to F. but then it says the H is slightly positive. why the H and not the
asked by JESS 
calculus
Z=square root of(x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.
asked by jean 
Math
which two square roots are used to estimate 47? I think its the square root of 49 and 36.
asked by Help! Math! 
Finance
Paul's credit card closes on the 14th of the month and his payment is due on the 25th . If he purchases a $300 stereo on the 18th , how many interest days will he have? I need the answer and how you answered it? Thank you so much!
asked by Wanda 
Math
This year, Ms. Nelson's class has 20 students. Which of the following statements must be true? I. This year at least two of these students have their birthdays on a Sunday. II. This year at least two of these students have their birthdays on the same day
asked by Maya 
Math
3sqrt(5x6) + 2sqrt(7x) = 13
asked by Kyle 
Pharmacy Calculations
You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide. What is the ratio of the hydrocortisone cream to the total amount of the compound?
asked by Jenise 
maths
gemma saved £100 to spend on some clothes. she spent 2/5 of her money on one shot. how much money does she have left?
asked by asmaa 
algebra 2
Solve the following systems of equations. If the system cannot be solved ,state that it cannot be solved and explain why. 1.3x+y=7 3x+y=10 2. 5x2y=24 4y=4810x
asked by Hannah 
Algebra
please explain and show step to this factoring problem 9w  w3 and 3h2 the 2 power + 1+3a this really makes no sense to me HELP
asked by joann 
math
It is equally probable that stock A will have a +10% or 10% rate of return The only other possibility is that it will return 0%.The probability of 0% is twice that for a return of +10%. What is the expected return and Standard deviation of the return for
asked by Anonymous 
math
a rectangular pen is divided into 6 rectangular strips by fences running parallel to the width of the pen. if 420m of fencing are available, determine the dimensions that give the maximum area possible.
asked by ok 
Biology
How are RNA bases freed up during transcription to form base pairs?
asked by Anonymous 
PLEASE HELP.
Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) +
asked by Anonymous 
multiplying fractions
5/7 * 9/10 = 9/14 Should my answer be 45/70 or 9/14?
asked by Luke 
MATHS
Three fair coins are tossed at the same time. What is the probability that one of the coins will show heads and other two will show tails?
asked by BRYAN 
math
Raul is x years old now, and Phil is 8 years older than Raul. In 2 years, Phil will be exactly twice as old as Raul is then. How old is Raul now? A. 3 B. 5 C. 6 D. 8 E. 10
asked by melissa stewart 
Physics of Modern Technology
1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 1018 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4
asked by Anonymous 
Chemistry molar heat of fusion

Algebra
The changes in the price of a certain stock each day from Monday to Thursday of one week were $2.25, +$0.50, +$1.50, and +$0.75. If the overall change in the stock price for the week was $0.50, write an equation that can be used to find the change in the
asked by Shantel 
CHEMISTRY
The solubility of LiCl is 83.5 g/100 g H2O at 20 oC , and is 89.8 g / 100 g H2O at 40 oC , then what is the required mass (in gram ) of LiCl to obtain a saturated solution in 300 g H2O at 25 oC ? please explain thank a lot
asked by MAD 
Algebra
Determine all values of k for which each pair of vectors is orthogonal. a) (1,2) and (k,k) b) (1,2,1) and (k,2k,4)
asked by ZZZ Top 
language
I have to do a précis on a book that was published in the 19401969 what book would you recommend.
asked by emma 
PreCalculus
Help please What is the slope of the line x = 4? would it be undefined??
asked by Anonymous 
math
How do you study for a math quiz?
asked by emma 
Math
Sara cycled 11 miles from home to ranch in 1 1/2 hour. How many miles did she cycle per hour?
asked by Sylvia 
sixth grade math
3 3/5 * 5/6 = 90/45 Do I have correct answer?
asked by Kris 
science
how much energy and joules are in bag of crisps?
asked by kina 
geometry
In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet
asked by Asics 
History
Which was the main region where Christianity spread to in its early days? Is this Europe?
asked by Anonymous 
Physics
A quarterback is trying to throw a football to a stationary receiver. The receiver is not directly in front of him, so the total velocity of the ball and the velocity of the quarterback has to be 20 m/s at an angle of 21.4 degrees from the vertical
asked by Maria 
Grammar
Sentence: I tried all of the natural remedies, such as dishwashing liquid, but the ants kept coming back. Is there a comma before "such as"
asked by John 
Math
What is the vertex of y=7(x+5)^2+4?
asked by Alex 
math
write an expression using n as the variable for this problem. each day julia rides her bike to and from work. she lives 9 blocks from work and burns 13 cal. per block. how many cal. does she burn in n days
asked by linkey 
SocialStudies
how would you help someone to locate jamaica by including information on nearly water bodies and land masses direction , it longitude and latitude?
asked by Felicia 
History
What are some differences in the way Islam and Christianity spread? Like the strategies they used?
asked by Anonymous 
Math
A student states that for any positive integer n the sum of n successive integers is always divisible by n. Which of the following can be used to disprove the student's statements? A) 1+2=3 B) 1+2+3=2x3 C) 1+2+3+4+5=3x5 D) p+(p+1)+(p+2)=3(p+1)
asked by Pearls 
algebra
A telemarketer claims that every call made to a customer costs at least $2, if a call costs $.50 plus $.10 for each minute, how long does each call last
asked by Anonymous 
Algebra
x= 3 + sqrt(3x5)
asked by Ashton 
Math
My answers will be posted 2! 1. Dimensions of the cube is 5x3x1 a. What is the surface area? ( i said 46ft squared ) b. What is the # of cubes? ( I said 15 ) 2. Dimensions are 5x3x2 a. Surface area? ( 62ft squared ) b. # of cubes? ( 30 ) 3. Dimensions are
asked by Mia 
Chm 203
On a size exclusion separation column (e.g. Sephadex) would you expect the longer or shorter chain length compound to be eluted first? Why? Explain? Thanx!
asked by Anonymous 
Math
Determine if correct or incorrect and justify yourself. n^3 = O(n^2 + n^3) The O is the big Oh notation.
asked by Lala 
Chem Help Please!
Separation / Chromatography Lets assume I have three component mixture of liquids. And I wish to determine the quantity of each component present. I have reference samples of two of the components but the other component is not identified. How do I design
asked by Ilginsh 
logic
When a 3 people goes to a hotel, it is $30. Later on, the owner had a promotion of $25, and told them to give $5 to the service worker but he took $2 so they can keep $3. Therefore, each person will have back $1. Each person will have to pay $27. Now after
asked by lenovo 
engineering measurment
A rotating search coil has 10 turns with a crosssectional area of 5cm2. It rotates at constant speed of 100rpm. The output voltage is 80mV. Calculate magnetic field strength
asked by lakhan 
math
Bijous I and II start their movies at 7:00 p.m. The movie Bijou I takes 75 min, while the movie Bijou II takes 90 min. If the shows run continuously, when will they start at the same time again?
asked by KG 
Diversity & world culture
I have to do an ethnographic study and its my first time. I have to do a naturalistic observation and evaluation paper. can you tell me how that is written or what it consist of? does it consist of title,intro,body,conclusion, and bibliography? Where does
asked by angela 
CHEMISTRY
Which solute will yield a saturated solution ( in the previous two question ) when we dissolve 36 g of each in 25 g of water at 25 oC ? and why ?
asked by MAD 
physics
If a stone is attached with a string and oscillates in to and fro motion then if the string cuts when the stone is at its highest position then what will be the path of the stone to be travelled
asked by Abhinav tomar 
Physics
If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90 degrees?
asked by Sarah 
Physics
You walk 1300m east and then 880m south in a total time of 16min . Compute your displacement. Enter the east and south components of the displacement separated by a comma. Compute your average velocity in m/s. Enter the east and south components of the
asked by Sarah 
Math
Determine all values of k for which each pair of vectors is orthogonal. a) (1,2) and (k,k) b) (1,2,1) and (k,2k,4)
asked by Kyle 
Lit
What is metonymy? examples please?
asked by Katt<3Bobby 
algebra
midpoint (5,15) endpoint (13,8). find the other endpoint
asked by Ernie 
Geometry
Please help! I am so lost! The question is "R and S are complementary angles and U and V are also complementary angles. If R=y2, S=2x+3, U=2xy and V=x1, find the values of x, y, R, S, U and V."
asked by Geisha 
Math
Determine whether the given equation is a circle, a point, or a contradiction (no real graph). x^2 + y^2  2 x  16 y + 52 = 0 . The equation is a . (Enter "circle", "point", or "contradiction" in the answer space without quotes.)
asked by irina 
Algebra
1.How do I find the center of a circle using the points (2,8) (4,6) (1,1) ? 2. The Radius of the circle? 3. Equation of circle THANKS!
asked by Please Help! 
SAT Math
A student states that for any positive integer n is the sum of n successive integers is always divisible by n. Which of the following can be used to disprove the student's statement? Please provide answer and how you got it! A) 1+2=3 B) 1+2+3=2x3 C)
asked by Sam 
math
type an expression using n as the variable for this problem. Afamily is having turkey for dinner. There are 52 cal. in each slice. One serving is 3 slices. How many caloties do n people consume if each person has 2 servings?
asked by linkey 
D.L.Perez elem. School
Two different 6digit numbers each have three 8's and three 7's.No two digits next to each other are the same.write the numbers in standard form.
asked by Jessel 
career math
Lauren baked bread rolls that were each about 11 centimeters in radius. About how many square centimeters was the area of each roll?
asked by Anonymous 
English
what is the adverb clause in the sentence: Dad takes Ryan to the zoo every Wednesday, unless it is raining
asked by Anonymous 
Chem Help Please!
Separation / Chromatography Lets assume I have three component mixture of liquids. And I wish to determine the quantity of each component present. I have reference samples of two of the components but the other component is not identified. How do I design
asked by Ilginsh 
Math
Differentiate and simplify (11x)(sqrt10x5) I think you use the Product rule but square roots confuse me with it being 1/2
asked by Eiban 
Calculus I
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2  40T + 200, 1
asked by Anonymous 
CHEMISTRY
How can we prepare or change : 1) change unsaturated to saturated soln? 2) change unsaturated to supersaturated? 3) change saturated to unsaturated ? 4) change saturated to supersaturated ? 5) change supersaturated to unsaturated? 6) change supersaturated
asked by MAD 
math
When a 3 people goes to a hotel, it is $30. Later on, the owner had a promotion of $25, and told them to give $5 to the service worker but he took $2 so they can keep $3. Therefore, each person will have back $1. Each person will have to pay $27. Now after
asked by lenovo 
Physics  Force
A highspeed maglev train is traveling with a changing velocity. what can be said about the forces acting on the train? Thanks!
asked by Tim 
math
if angle A contains 1/2x and angle B contains 1/2(180x) are the angles A and B supplementary, complementary, or neither
asked by kahn 
math
using comparative thinking which equations are true a.50+64=62+48 b.50+64=62+62 c.50+64=124+52 d.50+64=66+52
asked by steven 
math
Jason took 3/4 of an hour to paint 27 1/3 square yards. How many square yards does he paint per hour?
asked by scott 
Physics
White dwarf stars have been observed with a surface temperature as hot as 200,000 degree C. What is the wavelength of the maximum intensity produced by this star?
asked by Sarah 
English
I'm writing an essay about stating my position on whether everyday people can be considered heroes. Can someone give me some ideas of what each paragraph should be about? Like how should I make it flow? Please help
asked by Anonymous 
science urgnt vry urgnt for exam purpouse
explain why sliding friction is less than static friction
asked by cbse 8th 
Math
Convert 62 inches to yards, feet, inches? How do I do all three at once? Please help.
asked by Whitney 
math
Z=square root of (x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.
asked by jean 
math
The domain and range of ln(4xy). Thanks.
asked by jean 
PreCalculus
Help please Find the equation, in standard form, of the line passing through the points (2,3) and (4,2). 5x2y=16 y=5/2x+8 5x+2y=16 2x3y=9
asked by Anonymous 
English
When a goal states a quantifiable indicator of its achievement such as a target date, it is:
asked by Anonymous 
multiplying fractions
2/11 * 264 = 528/11 Is the answer correct?
asked by Luke 
Math Proof
On the real line, define d (x, y ) = sqrt(abs(x − y)) . Prove that d satisfies the axioms of a metric.
asked by Ashley 
english
umm did anyone watch the documentary "Bowling for Columbine"?
asked by tina 
Math
For how many values of n where n is a positive integer less than 10 is n+1/2 an integer? A) None B) One C) Three D) Four E) Five Please I would like some help explaining how to get the answer :)
asked by Ellie 
social studies
In order to track time of the floods,Egyptians looked to?
asked by emma 
system of equations
today, johns mom is 5 times as old as he is. in 7 years she will only be 3 times as old. what is johns age today?
asked by Nicole 
History
What strategies were employed in the spread of Islam?
asked by Anonymous 
Math
Find a scalar equation of the plane that contains the given point P=(3,3,1)and the given normal vector n = (1,4,7)
asked by Wiz 
Math2 questions
Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) +
asked by Anonymous 
English
Which would be grammatically correct: We both had a goal and objective in mind to get our jobs done. or We both had a goal and objective in mind to get the job done. Thanks!
asked by Tim 
Physics
An object is launched at an angle of 24 degrees above the horizontal at a velocity of 33.7 m/s from the top of a building which is 110.8 meters above the ground. When the object lands on the ground, what is the horizontal displacement from the base of the
asked by Jane 
Math
I have to make a real world problem using the greatest common factor of two numbers help me please.
asked by Isabella needs help now 
Math
How many liters are in 4.371
asked by Taylor 
Algebra
Find a scalar equation of the plane that contains the given point P=(3,3,1)and the given normal vector n = (1,4,7)
asked by Paul 
math
if angle A contains 1/2x and angle B contains 1/2(180x) are the angles A and B supplementary, complementary, or neither
asked by sk 
math
Find a scalar equation of the plane that contains the given point P=(3,3,1)and the given normal vector n = (1,4,7)
asked by Jon 
Math check my answers
Decide whether the lines in each pair are parallel , perpendicular, or neither. Justify your answers: A.) m=3/4 m=12/16 B.) m=100 m=0.01 C.) m=10 m= 0.1 My answers: A.) parallel because they both equal to 0.75 B.) neither because they aren't the same and
asked by Bella 
physic
A stone drop from the edge of the roof of a multistoried building. Calculate the teme taken by the pot cross to a particular distance AB of height 2.9m, the upper point A being 19.6m below the roof.
asked by Anonymous 
social studies
What did the Egyptians believe about the region to the west of the Nile.
asked by emma 
Physics of Modern Technology
Label as true each of the following processes that are considered destructive to cells of a living organism (like you!). Label as false if they are not considered significantly destructive to cells of a living organism. A slow neutron combines with a
asked by Anonymous 
algebra 2
How do I graph 3x+y
asked by Janet 
Math
Find a scalar equation of the plane that contains the given point P=(3,3,1)and the given normal vector n = (1,4,7)
asked by Aegon 
Linear Algebra
Find a scalar equation of the plane that contains the given point P=(3,3,1)and the given normal vector n = (1,4,7)
asked by Aegon 
math
18.75 lbs = 5000 sq ft how much needed to cover 27000 sq ft
asked by taylor 
science
what is function of the nucleons in a cell?
asked by lily56