Questions Asked on
February 28, 2013

Math
A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?
asked by Lexi 
chemestry
how many grams of dioxygen are required to burn 5.9 grams of C2H5OH?
asked by Anonymous 
Math
3/7 of the people who live in an apartment building are men. 5/8 of the remaining people are women. The rest are children. A total of 220 men and women live in the building. How many people live in the apartment building altogether?
asked by Anonymous 
Consumer Math
Your parents are buying a house for $187,500. They have a good credit rating, are making a 20% down payment, and expect to pay $1,575/month. The interest rate for the motrgage is 4.65%. What must their realized income be before each month and how much
asked by Brianna 
algebra
The sum of the digits of a certain twodigit number is 7. Reversing its digits increase the number by 9. What is the number. Use x and y. Please help me!!!!
asked by Anonymous 
Linguistics
how many morphemes and syllables are contained in each of the following words? Ohio Algebra Cows Expel Congenital Canoes Cognate Herb Helicopter Saltpeter
asked by Baaba 
trig
If sin theta is equal to 5/13 and theta is an angle in quadrant II find the value of cos theta, sec theta, tan theta, csc theta, cot theta.
asked by Julise Alliance 
math
Write in expanded form. 825
asked by Blue 
biology help plz?????????????????
Complete the following paragraph relating to the enzyme, β–galactosidase. This enzyme hydrolyses the disaccharide lactose to constituent monosaccharides, galactose and glucose. Drag and drop the appropriate words into the correct space. For white spaces
asked by centya 
IB Chemistry
Which statements are correct for an endothermic reaction? I. The system absorbs heat. II. The enthalpy change is positive. III. The bond enthalpy total for the reactants is greater than for the products. A. I and II only B. I and III only C. II and III
asked by chirikamo 
Physics
Calculate the speed in m/s at which Earth revolves about the Sun. You may assume the orbit is nearly circular.
asked by Adaija 
social studies
1. Which of the following helped to increase the populations of northeastern cities? (1 point) more diversity successful cotton crops growth of factories and trade building of the Erie Canal 2. A boundary was set between Canada and the United States as a
asked by help 
physics
An MP3 player operates with a voltage of 3.7 V, and is using 0.14 W of power. Find the current being supplied by the player's battery.
asked by John 
chemistry
What is the volume occupied by 20.2g NH3(g) at 25 degrees celsius and 752 mmHg? This is Ideal Gas Law.
asked by Ambrosia 
Geometry
line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
asked by C 
US History
Why was the Fugitive Slave Act so controversial? (3 points) It required all Americans to return runaway slaves to their owners, and free states opposed this law. It required all runaway slaves to be hung, and most people in free and slaveholder states were
asked by Haley 
science
are carbon particles and sugar an element, compound,solution, or heterogeneous mixture?
asked by jay 
chemistry
3 MgCl2(aq) + 2 Na3PO4(aq) ==> Mg3(PO4)2(s) + 6 NaCl(aq) How many milliliters of 0.0800 M Na3PO4(aq) will react with 0.060 mol of MgCl2(aq)?
asked by Acrabatisca 
physics
a soccer player kicks a rock horizontally off a 40.0mhigh cliff into a pool of water. if the player hears the sound of the splash 3.00 s later, what was the initial speed given to the rock? assume the speed of sound in air to be 343m/s.
asked by suzanne 
Math Ms. Sue please help
Flying to Kampala with a tailwind a plane average 158km/h. On the return trip the plane only averaged 112km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air.
asked by Anonymous 
chemistry
The gaseous product of a reaction is collected in a 12.0 L container at 280C. The pressure in the container is 3.5 atm and the gas has a mass of 96.0 g. What is the molecular mass of the gas?
asked by Anonymous 
Physics
The Moon is about 3.8e5 km from the Earth. Find its average orbital speed about the Earth.
asked by Ashlyn 
Physics
Dry air will break down if the electric field exceeds about 3.0 × 106 V/m. What amount of charge can be placed on a capacitor if the area of each plate is 6.7 cm2?
asked by Brian 
Probabilities
A queen on an English chessboard is able to attack in the same row, column and diagonal. The probability that 2 randomly placed queens on an 8 by 8 chessboard will be able to attack each other can be expressed as a/b , where a and b are positive, coprime
asked by Don 
Chemistry
Calculate the wavelength of light if 1.50 mol of photons has an energy of 125 kJ. 6.02x10^23 things=1.00 mol(things) c=3.00x10^8 m/sec h=6.626x10^34 J sec
asked by Kristen 
social studies
The Neutrality Acts of 1935 and 1937 show the United States' desire to ___
asked by Yaod 
physics
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely travel along the unbanked curve at a maximum speed v0 under conditions when the coefficient of static friction between the tires
asked by Dee 
Chemisty
how many grams of oxygen gas will be required to react completely with 92.0 grams of solid sodium to form solid sodium oxide?
asked by Tamra 
Science SMI181Q
What volume of hydrogen chloride gas is produced by the reaction of 40 cm3 of chlorine with hydrogen? (First write a balanced equation).
asked by Xolane 
Math
Elbert wants to plant grass seed in his backyard. His yard is shaped like a rectangle that is 6 meters by 7 meters. He plans to use a cup of seed for every square meter in his yard. How many cups of grass seed will he need?
asked by Charles 
accounting
On each December 31, you plan to transfer $2,000 from your checking account into a savings account.The savings account will earn 9 percent annual interest, which will be added to the savings account balance at each yearend. The first deposit will be made
asked by PORTLAND STATE 
Algebra
Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.x = –0.24 B.x = –4.24 C.4.24 D.no solution I think it is D...?
asked by Cassie 
ap chemistry
Which of I) HCl II) HF III) LiOH IV) HClO2 V) HNO3 are strong acids or strong bases in water?
asked by cheri 
chem
By what factor does [H+] change for each pH change? (a) 3.60 units (b) 0.33 units how do you do this?
asked by Sarah 
SCIENCE
what bicycle parts help the downhill race bike and road race bike and why are they different from normal bikes?
asked by HELPP 
Geometry
line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
asked by C 
algebra
what is 0.0446 rounded to the nearest hundredth of a percent
asked by tiffany 
Spanish
Can someone please check if my answers are correct? combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c.
asked by Sarah 
MONGU COLLEGE
Uksis m16 ussr adfd ssa f2b
asked by Frank umpierre 
geometry
triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of triangle def if its perimeter is 60?
asked by c 
Math
Triangle A has an area of 19,00cm squared and similar triangle B has an area of 118.75cm squared. Determine what scale factor makes triangle B an enlargement of triangle A
asked by Kim 
Geometry
The volume of a sphere is numerically equal to the surface area of the sphere. If this value is equal to N \pi, what is the value of N?
asked by John 
Physics
A gold wire and a silver wire have the same dimensions. At what temperature will the silver wire have the same resistance that the gold wire has at 20°C?
asked by lindsey 
physics
Two point charges totaling 9.00 µC exert a repulsive force of 0.300 N on one another when separated by 0.596 m. (A) What is the charge on each? (B) What is the charge on each if the force is attractive? smallest charg
asked by Justin 
science
if a sample of rock starts out with 32 atoms of carbon14 how much carbon14 would be left after 5,700 years
asked by dallas 
physics
a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10m/s due north relative to the water. (a) what is the velocity of the boat relative to the shore? (b) if the river
asked by suzanne 
Trigonometry
A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm). What is the speed of the river in miles per hour?
asked by Laura 
Math
solve for x in the interval [0,2π): 3csc^2(5x)=4
asked by Annie 
Chemistry
30cm of 0.3molar solution (0.3mol) were diluted to 0.1molar solution(0.1mol) by addition of water calculate A. The new molar solution B. Volume of water added
asked by Turuchukwu 
writing
A. Poe believed that good short stories require a single, unifying effect. Evaluate one of the stories in Unit 2 using Poe’s standard of unity. Do the descriptions, incidents, and images all contribute to the single effect of the story? Is there a single
asked by jeka 
Eng 12
What's the poetic device for this poem? this is only the other half of the poem cause I've already found the first stanza's poetic devices. Other than rhyme schemes, personification and imagery, what else are there in these 2 stanzas? This is a nonsense
asked by Cannie 
ENG1511
an essay: of The sure solution to unemployment is a better quality of education?
asked by godfrey 
physics
In moving out of a dormitory at the end of the sememster, a student does 1.8 104 J of work. In the process, his internal energy decreases by 4.2 104 J. Determine each of the following quantities (including the algebraic sign). a) W b) U c) Q
asked by Anonymous 
math
Identify two different divergent sequences a and b who difference a  b converges.
asked by Moyer 
Alg. I
A rectangle has a length of 6x^3 y^2  1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer.
asked by Jane 
Math
A salesman drives from Ajax to Barrington, a distance of 150 mi, at a steady speed. He then increases his speed by 10 mi/h to drive the 183 mi from Barrington to Collins. If the second leg of his trip took 3 min more time than the first leg, how fast was
asked by Anonymous 
English
Label parts Today, Dad ate two eggs and bacon for breakfast.
asked by Amy 
Math
Serena has a squareshaped garden. She wants to put a fence around the outside of the garden. One side of the garden is 8 feet long. How many feet of fence will she need?
asked by Charles 
LA
What are some tips to help me write better. I'm in 5th grade an i'm still writing runons.
asked by A random Derpferp 
math
How can I have 10 trees and plant 5 rows of four?
asked by Grandma 
Finance
CAN SOMEONE PLEASE PLEASE HELP ME WITH A FINANCE QUESTION THAT I POSTED YESTERDAY,WEDNESDAY,FEB 27TH @ 5:58PM.PLAEASE,ANY AND ALL HELP WILL BE GREATLY APPRECIATED
asked by Sara 
statstics
A real estate company is selling 32 houses. One of the houses costs $834,000, but in order to attract more buyers, the price is dropped to $819,000. By how much does this change the average price of the 32 houses?
asked by ellas 
math
write an inequality for each problem.Then solve the inequality. 1. You and the chess teacher have been playing chess for 18 minutes.To make the chess club, you must win the game in less than 45 minutes. How much time do you have to win the chess game? 2.
asked by peter 
science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of
asked by ricardo 
science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
asked by ricardo 
calculus
Determine the coordinates of the point on the graph of f(x)= (2x+1)^(1/2) where the tangent line is perpendicular to the line 3x+y+4=0
asked by Anonymous 
geometry
The surface areas of two similar solids are 36sq. yds and 144 sq yds. Find the ratio of their linear measures.
asked by Anonymous 
English
Today, Dad ate two eggs and bacon for breakfast. Label each word, part of speech.
asked by Amy 
Creative writing
Does it make sense to say that someone was "spiraling towards the earth at breakneck speed" or should I pick a better word than spiraling? Any suggestions?
asked by Millie 
Math: Check answer
3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you
asked by cassie 
Math
Mr. Hemley stands next to the Illinois Centennial Monument at Logan Square in Chicago and casts a shadow that is 18 feet long. The shadow of the monument is 204 feet long. If Mr.Hemley is 6 feet tall, how tall is the monument?
asked by Kya 
science
7. A helium balloon has a pressure of 40 psi at 20°C. What will the pressure be at 40°C? Assume constant volume and mass.
asked by ricardo 
Science
what is similar about a dead load and a live load and what is different? please help
asked by Bill Nye The Science Guy 
English
Can someone tell me if my sentences are correct, please? I'll be very thankful to you. •When I arrived at the hotel, someone was cleaning my room •If I had known that he was so rude, I would have never married him. •You would tell the truth if you
asked by John 
science
10. A balloon has a volume of 0.5 L at 20°C. What will the volume be if the balloon is heated to 150°C? Assume constant pressure and mass.
asked by ricardo 
Factoring Trinomials
How do you determine the signs? I know these wouldn't work but look at the signs m2  18m  81 Could you do plus a negative and make them all plus signs? Its the signs im stuck on ugh;(
asked by Bryce 
fractions
What is the common denominator 1/4,3/8 and2/6and list them from greatest to least.if any one could help.
asked by ttuuffyy 
Algebra
What is the value of n so that the expression x² + 11x + n is a perfect square trinomial? A.11 B.25 C.30.25 D.36 I think it is C...?
asked by Cassie 
Chemistry
Pantothenic acid id one of the B vitamins. A sample of pantothenic acid was found to produce 3.84 mL of nitrogen gas, N2 at 23 degrees celsius and 785 mmHg. What is the volume of the nitrogen gas (in liters) produced as 29 degrees celsius and 0.993 atm?
asked by Kirstyn 
fraction
What is the common denominator for 4/5,5/6 and9/12.list from greastest to least.
asked by ttuuffyy 
history
When the First World War ended, Americans welcomed what they hoped would be a “return to normalcy.” The decades that followed, however, are ones which would rarely be described as normal, in comparison to what came before or after. During these
asked by Jessica 
Physics
A police car's siren has a frequency of 567Hz while traveling at 24.8m/s. If the car is coming toward you, and you are stationary, what frequency would you hear?
asked by Aubrey 
Chemistry
Calculate the mass of HONH2 required to dissolve in enough water to make 255.5 mL of solution having a pH of 10.02 (Kb = 1.110−8).
asked by Margaret 
physics
A police car has passed by you with its siren blazing (529Hz) while traveling at 28.1m/s. What frequency would you hear after it has passed by?
asked by John 
Physics !
The sonar of a stationary ship sends a signal with a frequency of 5.0x103Hz through water. If the signals speed is 1.5x103m/s and the echoes detection is 3.9sec later. What is the depth of the water under the ship?
asked by Tiara 
physics.
A sound wave produced by a clock chime is heard 571m away 1.1sec later. If the clock's sound is 434Hz, what is the sound wave's wavelength?
asked by Quincy 
math
At a park, 96 brownbag lunches were given out in thirty minutes. If 29 bags remain and x represents the starting number of brownbag lunches, which equation could be used to determine the value of x?
asked by Anonymous 
university of oklahoma
A 85g bullet is fired from a rifle having a barrel 0.582 m long. Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by the expanding gas on the bullet is 15750 + 9900x  27500x2, where x is in
asked by Nawaf 
Needing HELP PLEASE!!!
Which value correctly completes the statement? 6,501.5 KM = ______ m Options: 1. 6,501,500 2. 65,015 3. 650,150,000 4. 650.15
asked by Bell 
Calculus
I've been trying to solve the improper integral of ln(x)/sqrt(x) dx as a=1 and b=infinity I am required to solve for this question and according to my answer, it is divergent. However, my answer is infinity4. Is it acceptable to say that infinity minus a
asked by Confused 
physics
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the horizontal. If the horse’s velocity is constant and the coefficient of friction is ì=.21, determine the mass of the horse.
asked by allan jordan 
chemistry
If you are given 718 grams of lead (iv) oxalate, how many atoms of oxygen do you have?
asked by Anthony 
physics
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the horizontal. If the horse’s velocity is constant and the coefficient of friction is ì=.21, determine the mass of the horse.
asked by allan jordan 
Algebra
This is a 2part problem and I solved the first part, but can't get the second. Brad has a circular garden with a radius of 3 feet. There are 54 flowers in his garden. He wants to plant different flowers in a 1foot border all around his garden. What is
asked by Amy 
physics
A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the horizontal. If the horse’s velocity is constant and the coefficient of friction is ì=.21, determine the mass of the horse.
asked by allan jordan 
MONGU COLLEGE
In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.
asked by barotseland network 
MONGU COLLEGE
In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.
asked by barotseland network 
math
what property is being used for 3x – 12 + 12 = 33 + 12
asked by westly 
chemistry
1040 grams of chlorine gas at STP would have what volume?
asked by Anthony 
Philosophy
First, translate the following statement pair into the symbols of propositional logic (use the letters P and R) (a) We will have a picnic unless it happens to rain (b) We won’t have a picnic only if it happens to rain Second, use truth tables to classify
asked by joe 
math
Calculate the following and write your answer in the simplest form. Please show all your calculation. 4 2/61 2/12+2 1/4
asked by Blue 
ap chemistry
Acid rain has a pH value of 3.0, whereas normal rain has a pH value of 5.6. Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
asked by cheri 
physical science
You are at a concert and you are located 97.5m from the speakers. The frequency belting from the speakers are 216Hz, if it takes 0.181sec for the sound to reach your location what is the speed of sound in this facility?
asked by Cam 
chemistry
2.06 X 10^25 formula units of aluminum sulfate would have what mass?
asked by Anthony 
physical science
You are at a concert and you are located 95.9m from the speakers. The frequency belting from the speakers are 257Hz, if it takes 0.503sec for the sound to reach your location what is the sounds wavelength?
asked by Cam 
physical science
You are at a concert and you are located 91.2m from the speakers. The frequency belting from the speakers are 291Hz, if it takes 0.230sec for the sound to reach your location what is the sounds wavelength?
asked by Cam 
Math
Compute the following 7/2 x 9^3/2 + 3/2 x 9^5/2 + 14 7/2 is a negative fraction. the entire fractions are multiplied by 9 raised to their respective exponents. I can't figure this out. Please help?
asked by Henry 
Analytical Chemistry
A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of water. A 10.883 g aliquot of this solution is then titrated with 0.1072 M HCl. It required 29.32 mL of the HCl solution to reach
asked by Sam 
Math help
A pyramid has a height of 5 in. and a surface area of 90 in2. Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary
asked by Abbey 
Writing
2nd grade opinion pieces
asked by Anonymous 
Math
factor the polynomials using whatever strategy seems appropriate. 12m^2n^28mn+1
asked by Tiffany 
Math
3) Bobby Ray brought 14 gallons of green punch to a St Patrick’s Day party. He wanted to fill each cup with 2/3 of punch. How many people got a cup of punch? _______________
asked by Andrew 
English: Please help
18. What is one disadvantage of accessing the Internet through a public search engine such as or ? A.) It’s open to anyone, so the information comes from many different people. B.) You won’t be able to access documents that have not been published
asked by Jim 
Language Arts
When the speaker refers to pausing to “enjoy the view / of the trees and the flowers below,” he really is talking about (1 point) looking down at the view from the mountain. giving up the struggle to just focus on his past successes. being inspired by
asked by Raelyn 
Physics
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. need to find how many revolutions there will be before the string breaks, and the time before that happens.
asked by Jan 
biology
Briefly describe the structure and function of three different cellular systems that combine proteins along with necessary RNAs to catalyze covalent bond formation and/or hydrolysis reactions (i.e., function as ribozymes)?
asked by biology help 
PreAlgebra
Which of the following examples would show a negative trend? height and weight of students test scores and height of students outside temperature and heating bill none of these
asked by TasteTheRainbow 
Math: PLEASE HELP
3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you
asked by cassie 
math
it takes 10 hours to tile a room that is 8 feet by 10 feet. how many hours would you expect to take to tile a room that is 16 feet by 20 feet
asked by Anonymous 
3rd grade
Jan's parents gave her $12. each week after that they give her $5. how much money withh jan have at the end of four weeks? A. $20 B. $32 c. $28 D. 436
asked by mythreyee 
government
During its early history, the British Parliament _____.
asked by Natalie 
biology
What is the ploidy (haploid/diploid) level and how many sister chromatids are there in your own cells during anphase I, anaphase II, and telophase II (includes cytokinesis)?
asked by biology help 
trig
solve tan2x = 28/45 Thank you
asked by Kevin 
biology
what specific stage during the cell cycle does random fertilization occur?
asked by biology help 
chemistry
Which of the following statements is /are true? Answer a. None of he above. b. Impurities in a solvent raise the freezing point of that solvent c. All of the above d. Nonvolatile impurities lower the boiling point of a solvent e. Ions lower the vapor
asked by alia 
biology
What do multicellular genomes spend a larger proportion of their sequences on (in terms of enhanced complexity)?
asked by biology help 
Language Arts
Which of the sentences below using direct address is punctuated correctly? (1 point) Please come with me, Sarah, and Tom, to pick Mom’s birthday present. Please come with me, Sarah and Tom to pick Mom’s birthday present. Please come with me, Sarah, and
asked by Raelyn 
biology
what happens to the UTR during RNA processing?
asked by biology help 
Grade 11 english
I have a take over the world assignment to do.. Come up with a way to create a long term, stable dictatorship in Canada. However you have seen what happens in dictatorships when the population becomes dissatisfied. How are you going to ensure that the
asked by Katlyn 
chemistry
Calculate the temperature at which it is thermodynamically possible for C (s) to reduce iron(III) oxide by the reaction: 2Fe2O3 (s) + 3 C (s) > 4Fe (s) + 3CO2 I don't need a specific answer, but I'm not sure how to approach the problem. I'm assuming it
asked by Janet 
physics
A unicorn stands atop a 34° hill. The unicorn gracefully slides down the grassy hill with ì=.16. Calculate the acceleration of the unicorn as it begins to slide down the hill. (b) If the unicorn slides for 13.9s before reaching the bottom, how far did
asked by allan jordan 
US History
Can somebody help with my son's study guide? Thank you! What did the Supreme Court cases and the ultimate outcome for the Cherokee suggest about future dealings between the United States government and Native Americans? (3 points) The U.S. government would
asked by Haley 
physics
What do you understand by positive and negative zero?
asked by Subham rahut 
Eng
How do you make this sentence better? "It makes me feel like it is my second home with my teachers who are like a parent and siblings from another parent(friends)."
asked by Anonymous 
Physics
For launching a satellite into orbit around earth, would the proper conservation of energy formula be: Epi + Eki + O work = Epf + Ekf? Would work = 0 for launching a satellite? And, would Epi = Gm1m2/radius of earth or would it just equal 0 (because we
asked by Anna 
chemisty
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2(s)+H2SO4(aq)=BaSO4(s)+H2O2(aq) How many milliliters of 5.00 M H2SO4(aq) are needed to react completely with 30.5 g of BaO2(s)?
asked by Bob 
chemistry
supposed we mixed 50.0mL of alcohol w/ enough water to make 400mL solution find the % age by volume of 50L??? what is the answer plz answer my qeustion!!!
asked by cris 
physics
is the work needed to bring a car's speed from 0 to 10 km/h less than, equal to ,or more than the work needed to bring its speed from 10 to 20 km/h? if the amounts of work are different ,what is the ratio between them?
asked by sam 
English 11 B
What are some effects of war on literature?
asked by Brianna 
science
The relationship between a fungus and a green organism is an example of a. neighbors. b. mutualism. c. parasitism. d. saprophytes. In a lichen,does the organism with chlorophyll provides the food?? and is Reindeer moss a lichen??
asked by Please&ThankYou 
Calculus
I know how to do this problem, but I'm stuck at the arc length differential. Set up an integral for the arc length of the curve. (Do not evaluate the integral) x=y^2ln(y), 1
asked by Angie 
US History
Sorry, theres another one my son is stuck on.
asked by Haley 
estimating sum
867+734=
asked by ivory 
physic
A basketball player runs up and down a basketball court 3 complete times in 60 seconds the basketball court is 30 meter long what is the total distance traveled by the players
asked by Dominique 
physic
A basketball player runs up and down a basketball court 3 complete times in 60 seconds the basketball court is 30 meter long what is the total distance traveled by the players
asked by Dominique 
estimating sum
374+962+488
asked by ivory 
Physics
A 1000 kg car is accelerated from rest to 100 miles/hour in 10 seconds. Find the output power of this car
asked by Morgan 
compound interest
you invest $750 in a account thatg rearns 4.5%, compounded annually. Find the balance of the account after 2 years.Round your answer to the nearest cent.
asked by Ja'tra 
Matt
You randomly draw a marble from a bag of 320 marbles. You record its color and replace it. Use the results shown in the table to predict the number of marbles in the bag that are the given color. Blue:10 Green:8 Purple:2
asked by Diana 
Calculus
Calculus If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate
asked by Trevor 
physics
The light from the sun is found to have a maximum intensity near the wave length of 470nm assuming the surface of the sun as a black body,the temperature of the sun is....
asked by Raj 
Calculus
If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate of 0.01
asked by Trevor 
physics
when 1 g of gasoline is burned in an engine about 48 kj of heat is produced. how much mass is lost in the process? do you think this mass change could directly be measured?
asked by sam 
physics
when 1 g of gasoline is burned in an engine about 48 kj of heat is produced. how much mass is lost in the process? do you think this mass change could directly be measured?
asked by sam 
Math
How do you find slope ?
asked by Eric 
NJHS Letter Check (plz read it's really important)
I'm writing a letter to the adviser of the NJHS in my school. Please read to see if it's good. If your confused about my post, just read the letter and you'll understand why I'm writing a letter to the adviser and why I post this post. Dear Ms. L, I'd been
asked by Laruen 
Science
How do you balance this equation? Fe2O3+C=Fe+CO2
asked by Emily 
Physical Science
what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.
asked by Kellie 
reading
Which of the following is an example of active reading? A. Skimming over information and taking notes. B. Reviewing a chapter, question as you read, and review notes. C. Speed reading and taking notes in your own words. D. Both B & C.
asked by victor 
science
how to calculate 10,000 PE in peson equivalent?
asked by Liz Long 
PHYSICS
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time
asked by Jan 
Chemistry
calculate the amount of energy required to vaporize 43.0g of water at its boiling point
asked by Richie 
fractions
list the fractions 1/4,3/8,2/6 in order from least to greatest writen in 8ths.
asked by ttuuffyy 
physics
the speed of sound in water is 1500m/s how far way from an under see rock show a,b,c diver be show that he can hear is an echo
asked by tripuresh 
Math
2x^2+8x+x+4 factored
asked by A 
Science
How do mutations lead to cancer?
asked by Megan 
Science
How do mutations lead to cancer?
asked by Megan 
History
How did the ideas of humanism lead to the reformation?
asked by Julie 
Chemistry
How do you balance Fe2O3+C. 2Fe+CO2
asked by Carol 
Math Limits
(x^n1)/((x1) )=(xα^1 )×(1α^2 )×………..(xα^((n1)) ) How do we prove that n = the multiplication of the second term using limits and l'hopital's rule.
asked by Blah 
Math
what is arccot 3.107 equals to in rad?
asked by Will 
Physics
A 220g block on a 54.0cm long string swings in a circle on a horizontal, frictionless table at 70.0 rpm. A) What is the speed of the block? m/s B) What is the tension in the string? N
asked by Jenny 
Physics
A 220g block on a 54.0cm long string swings in a circle on a horizontal, frictionless table at 70.0 rpm. A) What is the speed of the block? m/s B) What is the tension in the string? N
asked by Jenny 
math
Arrange the following in descending order. 0.8333;4/3;81.1%
asked by Blue 
maths(GEPMETRY)
ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
asked by Anonymous...urgent! 
Application/Writing Sample
When an application asks for a writing sample, is it a good idea to give them a reflection on a poem?
asked by Emma 
maths
How many ordered triples of positive integers (a,b,c) with 1¡Üa,b,c¡Ü5 are there such that ax^2+bx+c has a rational solution?
asked by Don 
Calculus
A 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec. How fast is the top of the ladder sliding down the wall when the bottom of the ladder is 9 ft from the wall?
asked by Trevor 
Math
How high is a wall that casts a 10ft shadow @ the same time that a 6ft flag pole casts a 6ft shadow
asked by Amber 
Calculus
1a. 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec. How fast is the top of the ladder sliding down the wall when the bottom of the ladder is 9 ft from the wall? 1b. Using the
asked by Trevor 
English/Grammar
There's something wrong with this sentence but I can't put my finger on it!! The federal government has put into effect a mandate that requires all gasoline in Canada to contain 5 percent ethanol.
asked by a Canadian 
Calculus
Water is being poured into an inverted cone(vertex down) of radius 4 in and height 10 in at a rate of 3 in^3/sec. Find the rate at which the height of the water is increasing when the water is 5 in high.
asked by Trevor 
Calculus
A man is 6ft tall and is walking at night straight toward a lighted street lamp at a rate of 5 ft/sec. If the lamp is 20 ft above the ground, find the rate at which the length of his shadow is changing.
asked by Trevor 
Calc
Differentiate f(x) = ln(x)/sin(x)
asked by Lost One 
Chemistry
The standardized NaOH solution was determined to be 120M whereas the mass of the sample of impure tartaric acid was 1.35g. If the initial reading of the buret volume changed from 48 ml to a final reading of 17 ml at the endpoint of the titration of the
asked by Jonah 
Language Arts
What fact does the author use to support her opinion about bleach? (1 point) 1. Bleach is a poison. 2. Bleach is an expensive part of processing water. 3. Bleach isn’t terrific to have around. __________________________________________ Note: This is not
asked by Student 
MONGU COLLEGE
During an experiment conducted on the effort E to lift a load W when using a simple the following values were recorded. ……………………………………………………………………………………………… Effort E 20  24.830 
asked by barotseland network 
Language Arts
Read the following excerpt from "Saving Water." “Abandon the bathtub, and hit the showers. Sometimes it just feels great to soak in the tub, but the tub holds between nine and 33 gallons (40 to 50 liters) of water, depending on how full we fill it.”
asked by Anonymous 
MONGU COLLEGE
During an experiment conducted on the effort E to lift a load W when using a simple the following values were recorded. ……………………………………………………………………………………………… Effort E 20  24.830 
asked by barotseland network 
physics
The two plates of a capacitor hold +3200 µC and 3200 µC of charge, respectively, when the potential difference is 700 V. What is the capacitance?
asked by Brian 
finance
anyone have any information on case study of motomart senior captstone business
asked by wendy 
English
Can someone tell me if my sentences are correct, please? I'll be very thankful to you. •When I arrived at the hotel, someone was cleaning my room •If I had known that he was so rude, I would have never married him. •You would tell the truth if you
asked by John 
math
Write 51% as a proper fraction.
asked by Blue 
math
2 1/4 hours plus 1 1/2 hours equals ?
asked by anthony 
Chemistry
Would you balance this one SO2 + O2. SO3 Like 2SO2 + O2. 2SO3
asked by Carol 
statistics
Assume you want to estimate with the propoportion of student who commute less than 5 miles to work(20) with in 2%, what sample size would you need. Total in survey is 233
asked by kathy L 
Physics
A conical pendulum is formed by attaching a 0.200kg ball to a 1.00 mlong string, then allowing the mass to move in a horizontal circle of radius 40.0cm . The figure (Figure 1) shows that the string traces out the surface of a cone, hence the name. A) What
asked by Jenny 
math
Simplest form. 350(21+11)
asked by Blue 
algebra
Data from a deer count in forested area show that an estimated 3.16 x 10^3 deer inhabit 1.998 x 10^4 acres of land. What is the density of the deer population? Is this a multiplication or division problem?
asked by cassidy 
math
Factor the expression. x2 + 6x + 48 a) (x + 1)(x + 48) b) (x + 6)^2 c) (x + 6)(x + 8) d) Prime Polynomial e) Not factorable i got e... am i doing something wrong
asked by Anonymous 
calculs
If f(3) =4 g(3)=2 f'(3)=6 and g'(3)=5 find the following numbers a) (fg)' (3) b) (f/g)' (3)
asked by Kelly 
math
3.42.44+5,13 simplest form
asked by Blue 
Calculus
Greetings, So I've been working on this problem: H(x) = (x^4  2x +7)(x^3 + 2x^4) H'(x)= Kept on getting it wrong and I assumed it was an algebra mistake. After multiple tries I went to a few derivative calculators to check my work... What I saw was the
asked by Naomi 
Chemistry
What is the mass of the carbon atoms in one mole of c3h8
asked by Anonymous 
algebra
Factor the expression. x^2 + 6x + 48 a) (x + 1)(x + 48) b) (x + 6)^2 c) (x + 6)(x + 8) d) Prime Polynomial
asked by Anonymous 
Chemistry
for an assignment I'm writing, I'm trying to find the % efficiency of ethanol. We were given a chart that says ethanol's energy input (MJ/L) is 16.16 and its energy output is 23.58 % efficiency = energy output/energy input x100, so 23.57/16.16 x 100 I get
asked by a Canadian 
Physics
The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 800 m. The signals
asked by Steve 
statistics
The SAT scores of a certain population of students are approximatley normally distributed with a mean and standard deviation of 1000 and 200 points, respectively. the probabilalty that a student selected at random from the population has an SAT score
asked by ken 
Algebra 1
Clearly show and explain each step for full credit. solve the inequality 4x3=5
asked by Daniel 
algebra
What set of numbers is described by M={1, 2, 3, 7} L={3, 7, 9} a) {3,7} b) {1, 2, 3, 7} c) {1, 2, 3, 7, 9} d) {1, 2, 3, 3, 7, 7, 9} C? What set of numbers is described by E = {2x  x is an odd number} a) {1, 3, 5, 7, 9 . . .} b) {2, 4, 6, 8, 10, 12 . . .}
asked by anonymous 
physics
A kite is hovering over the ground at the end of a straight 47m line. The tension in the line has a magnitude of 14 N. Wind blowing on the kite exerts a force of 17 N, directed 55° above the horizontal. Note that the line attached to the kite is not
asked by Dee 
Math
Find the dy/dx for each of the following 1)y=ln(2x^615) 2)y= 3√ 2x^23x1/5 3) y= x^4/x^2+1
asked by Kevin 
math
Find the area of a parallelogram with base b and height h. b = 82 cm h = 16.6 cm .1,361.2 cm2 .6,724 cm2 .137.78 cm2 .98.6 cm2
asked by katelyn 
Goegraphy
What is the distance on the ground between two places that are 7cm apart on the south africa
asked by Sikelela sotyatho 
Math
Factor 6x^2+14x
asked by Paul 
math
I have two questions 1.) 2750 grams= lbs 2.)2km= yards and in my book I have a completely different answer. Thank you
asked by Kathy 
math
As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a
asked by Please help 
Sound engineering
A Question of engineering about Sound. How to calculate in step by step? Thank you. The octave bands¡¦ Sound pressure levels in dB re 20 £g Pa are: Hz 57 129 220 420 1K 2K 4K 8K dB 85 95 90 80 88 70 68 72 What is the overall Aweighted sound pressure
asked by Kelvin 
calculus
y= e^7x cos 5x y'=
asked by Molly 
Science
can you please tell me what is the answer to the When the parrot is hungry it makes this noise? thanks
asked by Wylon 
math
3/x5/2x
asked by Anonymous 
Algebra 1
A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 feet and the length of the ladder is one foot more than twice the distance from the wall. Find the distance from the wall to the bottom of the ladder. (Hint: Use
asked by Jack 
enn103f
need help for Education:an Argument for: and Argument against, ansa based on education
asked by godfrey 
English
Could someone help me improve this sentence so it is more understandable and has better word choice? You now know that a wasting gas car is no comparison to a saving electric car.
asked by Kammi 
Social Studies
How did the three phases of Northern industrialization affect the growth of cities? (5 points) How did the immigrants who came to the United States between 1820 and 1860 change the character of the country? (5 points)
asked by Mrs.Bob 
chemistry
To raise the temperature of 200.8 g of water from 50.00 °C to 60.00 °C requires how much heat?
asked by jo 
science
Two students play in a drumb band. Explain how the students make sounds on the drums. Then explain how one student can make a soft sound while the other student makes a loud sound
asked by Ms.Vargas 
Geometry
ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC (in degrees)?
asked by John 
Math
Factor 3x^3=3x
asked by Angel 
Math
in a class of 30 students 20 played piano 17 played violin and 7 played both find the number of students who played violin only, piano only
asked by Oscar 
Geometry
Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+,  ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '' sign, followed by another
asked by John 
Eng 1511
pls correct this sentence for subjectverb agreement Going home now,how I wish I could get there before it starts to rain.
asked by Lucia 
math
I am not understanding this question. Can someone help me please? Decide whether the experiment is a binomial experiment. If it is not, explain why. Selecting five cards, one at a time without replacement, from a standard deck of cards. The random variable
asked by emily 
Microeconomics
Which statement is FALSE? A. If the U.S. can produce rice more efficiently than Japan can, the U.S. enjoys an absolute advantage. B. Economists dislike both tariffs and import quotas. C. Under the law of comparative advantage, total output is greatest when
asked by LCK 
math
what is 7% of 250,000
asked by Sue 
math
What weighs less 4.09 kilogram or 4.196 kilogram.
asked by Christina 
Physics
(a) The current through a wire is a steady 2.5 amps. How much current passes through it between t = 0 seconds and t = 4 × 104 seconds? (b) The current through a wire is given by I(t) = I0e at, where I0 = 2.5 amps and a = 6 × 103 s1. How much electric
asked by lindsey 
Microeconomics
The demise of the gold standard led to: A. more international trade. B. greater and greater devaluation. C. freely floating exchange rates. D. balanceofpayment surpluses. I think it's C???
asked by LCK 
Physics
A bird stands on a bare power line carrying 2500 amps of current. 600 meters of this wire has a resistance of .009 ohms. If the bird's feet are 3 cm apart, what is the voltage difference between the bird's feet?
asked by lindsey 
physics
In a cloud chamber experiment, a proton enters a uniform 0.260 magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular arc of radius 6.38 . How fast was the proton moving?
asked by Anonymous 
Math
This year's harvest from a small, remote banana plantation consists of 3000 bananas. The farmer's camel can carry up to 1000 bananas at a time. The market where the bananas are sold is 1000 miles away. Unfortunately, the camel eats one banana each and
asked by Bailie 
Physics!!!!
Assume that a scale is in an elevator on the earth. What force would the scale exert on a 53 kg person standing on it when the elevator slows at 1.77 m/s2 while moving upward?
asked by MEEEEE 
geometry!
ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
asked by Anonymous...urgent! 
English
the sequence in which James Thurber placed Walter Mitty's daydreams in the short story "The Secret Life of Walter Mitty."
asked by Cash 
geometry!
ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If ∠BCA=39∘ and ∠EBA=2∠DAB, what is the measure of ∠ABC (in degrees)?
asked by Anonymous...urgent! 
math
if x A y means x + (X+1) + (x+2) + (x+3) +..., y times express 12 A 3 in simplest form
asked by oscar 
calculus
Find dy/dx by implicit differentiation. x cos y + y cos x = 1
asked by Molly 
Trigonometry
Solve the equation for all values of x. 2cos²xsin x+1=0, on the interval [0,2π).
asked by AwesomeGuy 
math
Today Angela's cat's age in months is the same as Angela's age in years. In one year her cat's age in months will be 2 times Angela's age in years. Today Angela is ? years old.
asked by oscar 
math
There are 24 counters.how many counters could you add without having to regroup?why?
asked by alora 
Trigonometry
Solve the equation for all values of x. 2sin(2x)√3=0, on the interval [0,2π).
asked by AwesomeGuy 
Maths
In a basket of 24 mangoes 1/3 were yellow 5/8 were green and the rest were orange. 1. what fraction of the mangoes were green and ripe? 2. How mangoes green? 3. How many mangoes were orange? 4. What fraction of the mangoes were orange?
asked by Chamiqueko 
Algebra
what two numbers have the product of 78 and the sum of 3.
asked by Amy 
Maths
In a basket of 24 mangoes 1/3 were yellow 5/8 were green and the rest were orange. 1. what fraction of the mangoes were green and ripe? 2. How mangoes green? 3. How many mangoes were orange? 4. What fraction of the mangoes were orange?
asked by Chamiqueko 
English
(Choose the correct answer) i hope/wish i was a bird
asked by Aj 
Physics
An automobile is brought to a stop by applying friction brakes to the wheels. The brakes get hot; their thermal energy is increased. The decrease in kinetic of the car is equal to the increase in thermal energy of the brakes. According to the first law of
asked by Brandi 
Social Studies
1) The four major kinds of natural vegetation in the United States and Canada are tundra, grassland, desert scrub, and a. permafrost. b. forest. c. swamp. d. all of the above 2) Why is mining important to the economy of the United States? a. It employs
asked by Wendy 
math
How do I find the decimal equivalent of the fraction 9/4?
asked by Paige 
Grammar,English
I wwas told to write a 3 syllable word for each clue. The first letter is provided. 1.Rational or reasonable [Clue:L} 2.To stand for or symbolise {clue:R]
asked by Denzel 
chemistry
the rate of the following reaction is 0.72 M/s. what is the relative rate of change of each species in the reaction? A+4B > 2C
asked by Anonymous 
Trigonometry
A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm). What is the speed of the river in miles per hour?
asked by Laura 
physics
Bob is driving 25 m/s and he turns a corner with a radius of 37 m. How much is Bob accelerating?
asked by Anonymous 
Polynomials..quick help....
if (x7) and (x4) are the factors of px^3 + qx^2  5x +84, find the values of p and q.
asked by Jeconiah 
social studies
why did Toledo become known as "Glass City"
asked by cammy 
Chemistry
An electrolytic tincoating process gives the coating 30 millionths of an inch thick. How many square meters can be coated with one kilogram, density 7.30 g/cm^3?
asked by Alison 
chemistry
A certain reaction has an activation energy of 27.34 kJ/mol. At what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 335 K?
asked by Anonymous 
accouant
rectification of error
asked by jyoti singh 
Science!! please help me could you write it to me
Two students play in a drumb band. Explain how the students make sounds on the drums. Then explain how one student can make a soft sound while the other student makes a loud sound
asked by Ms.Vargas 
poetry
what is the grouping of lineswithin a poem called
asked by Matu 
physics
a moving walkway at an airport has a speed v1 and a length l. a woman stands on the walkway as it moves while the man in a hurry to reach his flight walks on the walkway with a speed of v2 relative to the moving walkway. how long does it take the woman to
asked by sara 
calculus
F(x)= ln((3x+6)^4 (x^3 2)^5 ) F'(x)=
asked by Joe 
maths
2+9=?
asked by jyoti singh 
Evaluation theory
A. What is the theorist Michael S. Scriven take to be the ultimate purpose of evaluation?What is the subsidiary purpose?D. What is the theorist’s general approach to carrying out purposes?
asked by Huriyyah 
Science ASAP
1. Why is mining important to the economy of the United States? It employs many workers. Gold is expensive. Minerals are shipped to Canada. Industries use minerals. 2. What did the British North American Act accomplish? It divided Canada. Canada became an
asked by Brooke J. 
physics
a chinook salmon
asked by sara 
math( prealgeba)
there were 6 purple socks and 4 orange socks in a drawer. Zucky picked one sock without looking(or replacing the first). What is the probability that he picked 2 purple socks?
asked by peasl 
Physics
An electron is projected, with an initial speed of vi=1.10e+05 m/sec, directly towards a proton that is essentially at rest. If the electron is initially a great distance from the proton, at what distance from the proton is its speed instantaneously equal
asked by bethel 
Math
Which is greater 6.13 or 5.99
asked by Anonymous 
math
Erica painted a picture of her dog. The picture has an area of 3,600 cm2 and is square. She has placed the picture in a frame that is 5 cm wide. What is the perimeter of the picture frame? Is the correct answer 260 cm2?
asked by mom 
chemistry
mass of the metal 7.26g volume of water in the calorimeter 10mL initial temp of water in calorimeter 21.5 degrees C initial temp of metal 95.5 d C final temp in mixture in calorimeter 23.8 D C question: calculate the energy lost by the metal taking into
asked by may 
Precalculus
*polynomial in standard form 1)5/12+7/18=5/6 2) 3x/(x+1)1/(x)=______/x^21x
asked by Isis 
pyrometallurgy
pyrometallurgy of biotite
asked by yohana 
Math: Please check answer
3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you
asked by cassie 
english
does anyone know the movie the dead poet society? I chose a character from the movie, Mr.Keating I need help giving example of how mr.keating embodies Transcendentalism, romanticism, and realism I really need help with giving example of romanticism and
asked by yuku 
Math
Simplify the expression: (((((18((a)^(11))((b)^(1))((c)^(3)))/(12((a)^(4))((b)^(3))((c)^(0))))))^(2)) What is step by step answer without negative exponent.
asked by Chandrakant 
Math
Evaluate. 31/1221*(1/4)*(5/(6))/((5)/(2))
asked by Chandrakant 
Math
Is this true or false? To expand the binomial (x2 + 3)6, use the row of Pascal's triangle that has coefficients 1, 5, 10, 10, 5, 1.
asked by Bob 
Physics
The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 800 m. The signals
asked by Steve 
Geometry
How do you find the apothem of a regular pentagon? Hexagon?
asked by Nick