Questions Asked on
December 7, 2015

Chemistry
Identify the predominant intermolecular force in each of these substances. 1. Hydrogen 2. DipoleDipole 3. London A)H20 B)NH3 C)CH3 C=O OCH3 D)CH4 E)CH OHCOH CH3 what I have so far is A) 1 B) 1 C) 2 D) 3 E) I'm not sure about E, I think it might be
asked by Dan 
Science
1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun.
asked by YRN DJ 
English
I have a few questions. It was a long assignment and most of the questions were easy but a few I'm nervous about. Short story "The Olympic Swimmer" Who will be the winner bold? Athletes from both far and near Train and strain to be the best. But who will
asked by Anon 
Math
Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign6 angle sign3 and angle sign4 angle sign4 and angle sign5 2. If m 1= 53 what is m
asked by Help 
8TH GRADE LANGUAGE ARTS. HELP PLEASE MS.SUE ASAP
Both forest fire and why leaves change color in the fall present factual information. write an essay of your own about one of these essays. in your essay, tell whether the author provided enough information for you to understand the topic fully. Then
asked by JMANTOCOOL 
Math
Hi y’all, me again. Can you help me on this? I got some answers, and I hope they are all right. Please let me know! Thanks! :) 1.2(y + 1) for y = 2 A. 6 B. 5 C. 7 D. 8 Is it “A”? 2. The cost in dollars of a school banquet is 74 + 12n, where n is the
asked by Samantha 
Math
Hi everyone, my name is Emerson. I was wondering if anybody could help me on a test. I'm stuck on some, but I think I know some others. Thank you! 1. Translate the phrase "nine more than two times a number" in to an algebraic expression. A. 9x + 2 B. 2x +
asked by Emerson 
English
Choose the word that best matches the word in italics. 1.Some say that giving your spouse flowers is a (manifestation) of love. A. ability B. chapter C. expression*** D. present 2.After the barricades fell down, a riot (ensued) A. angered B. began*** C.
asked by GummyBears 
Language Arts...Help please!
Could someone help me please. Select one of the following three types of organization: causeandeffect chronological comparisonandcontrast Then, using your selected mode of organization, write a paragraph on a topic you select yourself. Choose a
asked by Mason 
Spanish
What is the correct way to say "I prefer milk" in Spanish? A. Yo prefero leche B. Yo prefiero leche*** C. Yo preferir leche D. Yo priefero leche
asked by Kaai97 
MATH HELP SOMEONE
For questions 1 and 2, choose the equation that you can use to solve the problem. 1. 86 is 45% of what number? (1 point) • 86 = 0.45n • n = 0.45 × 86 • 0.45 = n × 86 • 86 = 45n 2. What percent of 26 is 4? (1 point) • 0.26 = n × 4 • n = 0.26
asked by Polka Dot 
Spanish
Aside from its height, what else is Nevado Ojos del Salado known for? A. the pilgrimage that takes place there annually B. its extreme volcanic activity C. the highest lake in the world located near its peak*** D. its numerous ski resorts
asked by Kaai97 
english
Prompt B: Think about all of the selections you’ve read thus far by European writers. Examine one element that the selections have in common, not including the fact that they are all European. Detail your findings.
asked by highstick 
Science: Chemical Reactions
Sodium chloride is formed when the metal sodium bonds to the nonmetal chlorine. The atoms are held together by a(n) ___. PLEASE HELP I DON'T GET IT! :"(
asked by Mj 
Chemistry
1. [ PF4 ]+ (a) What is the electrongroup geometry, according to VSEPR theory? (b) What is the molecular geometry? (c) Is this species polar or nonpolar?
asked by S 
science
I need an acrostic poem about forces
asked by Andy 
Social Studies (Help!)
Why did New France stretch so far to the west?
asked by Jerry 
Sign Language
A comparative adjective is used to show comparison between two or more nouns or pronouns. True*** False To make the comparative form of an adjective in ASL, you add the ER sign to the beginning of the work. True False***
asked by Anon 
physics
A 56kg student runs at 4.2 m/s , grabs a hanging 10.0mlong rope, and swings out over a lake (Figure 1) . He releases the rope when his velocity is zero. What is the angle θ when he releases the rope? What is the tension in the rope just before he
asked by Andres 
Art
When creating a piece of art for aesthetic purposes, the artist considers? (A)How she can design a practical object. (B)How she can show an event in history. (C)What she thinks is pleasing and beautiful. (D)What she can show about her cultural. heritage
asked by I need help 
Health
1. The person who is heavier than the standard for the person's height is _____ A. overweight B. obese C.hefty D .extremely obese
asked by Htx. 
algebra
Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x). x f(x) = 2.5x − 10.5 g(x) = 64(0.5x) 2 3 4 5 6
asked by Noah 
Math
A highspeed train makes a 360 mile nonstop run between two major cities in 712 hours. The train travels 80 mph in the country, but safety regulations require that it travel only 20 mph when passing through smaller, intermediate cities. How many hours are
asked by Help Please! 
Calculus
A baseball diamond is a square 90 ft on a side. A player runs from first base to second base at 15 ft/sec. At what rate is the player's distance from home base increasing when he is half way from first to second base?
asked by Erik 
Math grade 56
Alice works parttime after school. On Monday, Alice records that she worked three and twosixth hours. On Tuesday, Alice records that she worked one and seventyfive hundredths hours. On Wednesday, Alice records that she worked two and twothirds hours.
asked by Lemi 
Sign Language.
Check my answers please (: A comparative adjective is used to show comparison between two or more nouns or pronouns. True*** False To make the comparative form of an adjective in ASL, you add the ER sign to the beginning of the work. True False***
asked by TOP / 
Math Problems
1. A costume designer made 10 costumes that each used 5.8 yards of fabric. If she had 238.2 yards of fabric to start with, about how much fabric does the costume designer have left? Write an equation and estimate the amount of fabric left. 2. A costume
asked by Samantha 
English
1.In "Delfino II:nDiez in the Desert," the first thing that went wrong on Diez's illfated trip was that. A. a woman became delirious and died. B. a rash struck those who had been slashed by cactus needles. C.Diez got in a fistfight with his coyote
asked by GummyBears 
calculus
Sam has 1200 feet of fencing and wants to fence off a rectangular field that borders a straight river. He needs no fence along the river. Express the area of the field as a function of its dimension. Find the dimensions of the field that has the largest
asked by hartati 
AP Chemistry
Calculate ΔHrxn for the following reaction: C(s)+H2O(g)→CO(g)+H2(g) Use the following reactions and given ΔH values: C(s)+O2(g)→CO2(g), ΔH= 393.5 kJ 2CO(g)+O2(g)→2CO2(g), ΔH= 566.0 kJ 2H2(g)+O2(g)→2H2O(g), ΔH= 483.6 kJ
asked by Q 
Math
A baseball player's batting average is the number of hits the player has divided by the number of atbats. If a baseball player has a batting average of .275 and has 80 at bats, how many hits has he made? Which property will you apply to find the solution?
asked by Brittany P. 
Math
The distance a bicycle travels with each turn of its wheels is about 3 1/7 times the tire diameter. The tires on Mike's bicycle have a diameter of 24 1/2 inches. How far does it travel with each turn of the wheels?
asked by Sarah 
Physical Education
What happens if a golfer accidentally makes contact when addressing the ball? a. He/she is assessed a stroke*** b. Everybody applauds c. He/she loses a turn d. He/she scores a stroke
asked by Kaai97 
university of saint la salle
a projectile is fired with an initial velocity of 800 ft/s at a target of 12000 ft downrange and at an elevation of 3000 ft above the ground, neglecting air resistance, determine the angle(s) that can be used to reach the target.
asked by scarlette abegail 
Math
With the current, a person can canoe 24 miles in 4 hours. Against the same current, the same person can canoe 18 miles in 6 hours. Find the person’s average rate in still water and the average rate of the current.
asked by Help Please! 
Math
After a boulder is pushed down a hill, its speed s(t) at time t is given by the formula s(t)=v+at, where v is the initial velocity and a is the acceleration. If s(2)=16 and s(5)=25, find the initial velocity and acceleration.(round to the nearest tenth)
asked by Help Please! 
physics
A pinball machine launches a 139 g ball with a springdriven plunger. The game board is inclined at 8 ◦ above the horizontal. Assume: The plunger’s mass and frictional effects are negligible. The acceleration of gravity is 9.8 m/s2 Find the force
asked by Anonymous 
History
How did the french respond when the U.S. refused to repay debts owed to France? A) France declared war with the U.S. B) France stopped all trade with the U.S. C) France began to seize American ships and cargo. ** D) France kidnapped government leaders and
asked by Blah 
math
Mary is 3 times as old as her son.In 12 years,Mary's age will be one less than twice her son's age.Find their ages now.
asked by Blessie 
math
The perimeter of the base of a pentagonal prism is 45 cm. What is the width of the rectangular side of that prism?
asked by Wayne 
Math
You are making kits with 25 cubic inches of candle wax along with a mold. You have a square base, and you want to make a pyramid candle. The height of the pyramid should be 2 inches shorter than the edge of the base. Given this, what should be the
asked by Franz 
computer
Write an algorithm for a program that accepts a set of numbers and finds the smallest among them and computes the sum of the numbers accepted. The program stops when the user enters number 999. Convert the algorithm into flowchart
asked by Anonymous 
Math
The perimeter of a triangle is 19 cm. If the length of the longest side is twice that of the shortest side and 3 cm less than the sum of the lengths of the other two sides, find the lengths of the three sides
asked by Dove 
math
Students are painting the backdrop for the school play. The backdrop is 15 feet wide and 10 feet high. Every 16 inches on the scale drawing represents 5 feet on the backdrop. What is the area of the scale drawing? THANK YOU!
asked by kimie 
Math
British sterling silver is a coppersilver alloy that is 7.5% copper by weight. How many grams of pure copper and how many grams of British sterling silver should be used to prepare 200 grams of a coppersilver alloy that is 10% copper by weight? (round to
asked by Help Please! 
maths literacy,economics and business studies
what kind of courses should i take when i finish my grade 12 next year
asked by boitumelo 
Physics
A 50 gram mass vibrates in SHM at the end of a spring. The amplitude of the motion is 0.12 meters, and the period is T= 1.70 seconds. Find: The maximum acceleration of the mass? The speed of the mass when the displacement is 0.06 meters?
asked by Justin 
Math
The quotient in simplest form. 6 divided by 2 over 3.
asked by Avery 
Biology (Check, Please!)
Describe why an rstrategist might be better suited for an unpredictable environment than a Kstrategist is. A: An rstrategist might be better suited for an unpredictable environment than a Kstrategist because they grow exponentially when environmental
asked by Victoria 
math
Abigail is 15, and Cynthia is 27. How many years ago was Abigail twice as young as Cynthia?
asked by Abigail 
Math
Mary's age is 1/3 of Helen's age. If Mary is 48 years old, how old is Helen?
asked by Lianna 
Business
Assume venture Healthcare sold bonds that have a ten year maturity,a 12 percent coupon rate with annual payment,and a $1000 par value.Suppose that two years after the bonds were issued ,the required interest rate fell to 7 percent .what would be the bond
asked by Francis 
Math
A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from
asked by Andrew 
Finance
Currently you own a portfolio comprised of the following three securities. How much of the riskiest security should you sell and replace with riskfree securities if you want your portfolio beta to equal 90 percent of the market beta? Stock Value/Beta A
asked by Billy 
Chemistry
A mass of aluminium metal is heated in a such in a such a way that is was exposed to air.(1.751g Al) A compound containing aluminium and oxygen is formed. It has a mass of 3.311 g. What is the empirical formula of aluminum oxide according to this
asked by Jessie 
math
Which comes first greatest to least 4 3/16, 4.44, 4 1/8, or 4
asked by Anonymous 
chemistry
how many oxygen atoms are in 10 formula of Al2(SO4)3
asked by patricia 
Physical Education
What happens if a golfer accidentally makes contact when addressing the ball? a. He/she is assessed a stroke*** b. Everybody applauds c. He/she loses a turn d. He/she scores a stroke
asked by Kaai97 
Physics Help
A dumbbell has a mass m on either end of a rod of length 2a. The center of the dumbbell is a distance r from the center of the Earth, and the dumbbell is aligned radially. If r≫a, the difference in the gravitational force exerted on the two masses by the
asked by jacob 
Math
A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from
asked by Daniel 
English
The normal temperature of the human body is 36.5C. ============ 1. thirty two degrees point Celsius 2. thirtytwo degrees point Celsius (Which one is correct? When do we use the hyphen ''?)
asked by rfvv 
math
The bus to the exposition averaged 18 miles to a gallon of gas. How far away was the exposition if they used 8 gallons of gas for the round trip?
asked by jakiyah 
math
Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length 756 feet. The height of the Great Pyramid is 481 feet. Ira made his model pyramid using a scale of 1 inch:10 feet. A)What is the
asked by kimie 
Chemistry
3. Choose the hybridization schemes for the following species. (a) AsBr6− sp sp2 sp3 sp3d sp3d2 (b) CSe2 sp sp2 sp3 sp3d sp3d2 (c) PbCl4 sp sp2 sp3 sp3d sp3d2 (d) SeO32− sp sp3 sp2 sp3d sp3d2 (e) BiF5 sp sp2 sp3 sp3d sp3d2
asked by S 
trigonometry
From the top of a building the angle of depression of a point P on the ground is 15 degrees. The point P is 55 ft from the base of the building. Determine the height of the building.
asked by Marvin 
Math
Victor's class is going on a field trip. They will ride on the city bus twice, once going and once coming back. The oneway bus trip costs 35 cents per child and 50 cents per adult. There are 24 students, 4 parents, and 1 teacher. How much money will they
asked by Help 
stat
Fortynine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9. Develop a 99% confidence interval for the population mean
asked by Albert 
PreCalculas help
I really need help Find the equation of the hyperbola 1.Vertices(4,0)(4,0) Asymptotes: y=1/3x, y=1/3x 2.Vertices(6,0)(6,0) Asymptotes: y=4/3x, y=4/3x For the first one i got ((x9)^2+y^2(x+9)^2+y^2+16=0
asked by Ryan 
Math
The population of a city increases by 4,000 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010? a. p=4x+50*** b. p450=4(x15) c.
asked by Kaai97 
Chemistry
2. Which of the following molecules is/are trigonal pyramidal? N2O NH3 C2H2 SiF4 HN3 HCN SO3 H2S CF4 PF3 H2O BF3 COS O3 SO2 CS2 AsH3
asked by S 
Geometry
mx^2+12x+9m=0. for what values of m will the equation have one repeated root? I can't remember how to calculate double root values
asked by Carolyn 
CHEMISTRY
A quantity of N2 occupies a volume of 1.5 L at 300 K and 1.2 atm . The gas expands to a volume of 3.2 L as the result of a change in both temperature and pressure.
asked by Anonymous 
Math
#1: A couple plans on having 3 children, how do I create a tree diagram with 8 possible outcomes? #2: (What is the theoretical probability of having a girl, and what is the theoretical probability of having a boy?) #3: How do you do theoretical
asked by Ireland 
math
fid the height of a parallelogram with an area of 300 square yards and a base of 15 yards
asked by tammie 
math
Suppose you know that ÚS and ÚY are complementary, and that mÚS=2(mÚY)30‹. Find mÚY THANK YOU!
asked by kimie 
Chemistry
An excited ozone molecule, O3*, in the atmosphere can undergo one of the following reactions, O3* → O3 (1) fluorescence O3* → O + O2 (2) decomposition O3* + M → O3 + M (3)deactivation, where M is an inert molecule, the rate constant for the
asked by Anonymous 
Math
Joel miss 4 out of the 24 problems. What fraction of the problems did he get correct
asked by Zoe 
physics
On planet X, an object weighs 18.1 N. On planet B where the magnitude of the freefall acceleration is 1.28 g (where g = 9.8 m/s 2 is the gravitational acceleration on Earth), the object weighs 37.9 N. The acceleration of gravity is 9.8 m/s 2 . What is the
asked by zach 
math
Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length 756 feet. The height of the Great Pyramid is 481 feet. Ira made his model pyramid using a scale of 1 inch:10 feet. A)What is the
asked by kimie 
Physics
1. A 55.0 kg pole vaulter running at 11.0 m/s vaults over the bar. Assuming that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump (include units)? 2. A 71 kg person rolls on a 2
asked by Help!!!! 
Chemistry
How many grams of O2 are released into the environment during the production of the 5.1 grams of glucose?
asked by Vinny 
chemistry
ΔH°rxn is 114.14 kJ/mol. Calculate ΔH°f of gaseous nitrogen monoxide, given that ΔH°f of NO2(g) is 33.90 kJ/mol.
asked by lee 
Chemistry
Calculate the molecular weight of a gas if 16.8 g of the gas occupies 16.3 L at STP.
asked by Shawn 
Biology (Check, Please!)
Describe why an rstrategist might be better suited for an unpredictable environment than a Kstrategist is. A: An rstrategist might be better suited for an unpredictable environment than a Kstrategist because they grow exponentially when environmental
asked by Victoria 
Social Studies
1) Describe the difference between an anthropologist and an archaeologist. 2)Describe the most accepted theory as to how the Native Americans made it to North America. Include the differences from what the land looked like then versus now. 3) List the
asked by Pacen 
trigonometry
from a point 3 m above the water surface, the angle of elevation of the top of a certain tree is 30°40', while the angle of depression of its image is 65°10'. Find the height of the tree and its distance from the point of observation.
asked by Albert 
Trig
In still air, an airplane is flying at 100 mph. It encounters a wind blowing toward the west at 50 mph. What should be the plane's compass heading for its course to be N30ºW?
asked by Annie 
trig
find the exact value of each expression. do not use a calculator. Sec 3.14/4 + 2 csc 3.14/3 4 + tan 2*3.14/3
asked by Anonymous 
materials bahavior
A specimen has an initial diameter of 200mm and a length of 700mm. At a stress of 40MPa and a temperature of 538oC the steady state strain rate is about 2×10−4% per hour. Find the primary creep elongation and the steady state creep elongation after 5000
asked by lucas 
Math
Noelle bought two 1/2 gallon cartons of lemonade. How many ounces of lemonade did she buy?
asked by Leigh 
math,help me please!
how to write the following value in expanded form: 30.06 answer:
asked by Aissatou Barry @$ 
Physical science
the space shuttle typically orbits 400 km above the earth's surface.the earth hass a mass of 5.98*10 to the 24 squared kg and a raduis of 6,380 km.A)how much would a 2000 kg part form the space station weight when it has been lifted to that orbit in the
asked by Chad 
physics
A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 515 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of
asked by Elijah 
Math
Assume that the retail price of the product is $85, the cost is $47, and the expenses are $13. Compute a new sale price using the formula for markdowns, assuming a 15 percent discount. This is what I did, but I don't know where to incorporate the $13
asked by Justine 
PreCalculus  Need help, due tonight
1. Rewrite the expression 1/2ln(x – 6) + 3ln(x +1) as a single logarithm. 2. Rewrite the expression 1/3[ln x – 2ln(1 – x)] as a single logarithm.
asked by Ethan 
math
If julianne earned $296 working at the store last week. She earned $ 8 per hour. How many hour did she work
asked by jonice 
Math
How do you set up a tree diagram???
asked by Ireland 
Geography
In December 1849, Rev. Josef Arnost Bergmann left his Czech homeland to minister to German Protestants in Texas. Pastor Bergmann and his family arrived in Galveston in 1850 and made their way to Cat Spring. There in Austin County he led the Easter service
asked by Anonymous 
Algebra
A cell phone plan has the following charges: Basic service, including 100 minutes of calls :$20 per month 2nd 100 minutes of calls: $0.075 per minute Any additional minutes: $0.10 per minute What is the charge for 200 minutes of calls? What is the charge
asked by Christopher 
chemistry
Determine the final temperature of a 10 gram aluminum block originally at 25.0 degrees Celsius if you apply 435 J of energy to it.
asked by Jenifer 
math
the number of blocks has 9 in the ones place.The number in the hundreds place is onemore than the number in the tens place.Those two numbers equal 11.How many blocks are there?
asked by alondra 
Math
A short airplane trip between two cities took 30 minutes when traveling with the wind. The return trip took 45 minutes when traveling against the wind. If the speed of the plane with no wind is 320 mph, find the speed of the wind and the distance between
asked by Help Please! 
Math
If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown.
asked by Anonymous 
Science
Please, help me! Differentiate a logistic growth pattern from an exponential growth pattern.
asked by Victoria 
Algebra 2
Use synthetic division to find P(3) for P(x) = x4 – 6x3 – 4x2 – 6x – 2 3 –137 299 –47
asked by Sandra 
Chemistry
Would copper (II) phosphate be nonpolar?
asked by Sarah 
math
Francine and Cheryl received equal scores on a test made up of multiple choice questions and an essay. Francine got 34 multiple choice questions correct and received 14 points for her essay. Cheryl got 30 multiple choice questions correct and received 22
asked by bre 
geometry
find the slope of a line that passes through the following points. (4,5) and (3,0) using the perpendicular and parallel slopes write slope intercept form equations for both perpendicular and parallel lines all perpendicular lines pass through the
asked by da 
Science
On page 111 of your reading material there is a problem that requires you to calculate the average speed for a daylong bus trip. The rest stops the driver made are included in the calculations because that is how the problem is defined. However, suppose
asked by confused 
Math
the number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place. Those two numbers equal 11. how many blocks are there.
asked by Roger 
Math
Hey everyone could you help me with this? Ben has 2/3 of a large candy bar. He is going to split it into 4 parts for his friends. How much of the candy bar does each friend get?
asked by Avery 
Calculus
Compute the surface area of revolution about the xaxis over the interval. y = x^2, [0, 4] Is it (pi/12)(65^2  65)^(3/2)?
asked by Sanaya 
physics
The acceleration of gravity is 10 m/s2. What is the acceleration of a 46 kg pail of cement that is pulled upward (not sideways) with a force of 478 N? Answer in units of m/s2.
asked by zach 
Chemistry
When given different elements and asked for the highest boiling point, do you figure out the molar mass and pick the highest one as the highest boiling point?
asked by Sarah 
Statistics
c) There is a correlation between students’ levels of anxiety and the number of days they are absent from school (r = 0.53, p = 0.31). Interpret if this result was statistically significant and explain why or why not. My answer is this: The analysis
asked by Stacy 
chemistry
how many electrons are transfered in one atom of Mn in the reaction?MnO2+4HCl=MnCl2+2H2O+Cl2
asked by Natty 
BIBLE HELP ASAP
Hi, I have been stuck on the following question for a couple of hours now and need help. "Describe at least 3 ways that God has demonstrated His love to you personally. Answer in complete sentences." The problem is that i have NO idea how "God has
asked by Nic 
Chemistry
Hey can you please check my answers? Also, Can you explain interparticle force of attraction? I'm not sure about the difference between IMFOA and IPFOA. Chemical formula: Cl2 Name: Chlorine Bond Type (intermolecular FOA): London VSEPR molecular shape:
asked by Anonymous 
maths
the total cost of 5 pens and 10 pens is 30 . of pen cost 3 more than the pencil . find the cost of each item
asked by xxx 
science please help
Help please. According to the following diagram, approximately how much time goes by between phase H and phase B? explain your answer.
asked by Ally 
Math
A triangular park has a perimeter of 45 meters. What is the measurement of one side if each of the other two equal sides measure 28 meters?
asked by Lyn 
History
The Articles of Confederation and the US Constitution are the two documents under which American has been governed since 1781. Describe the essential elements of each, their similarities and how their major differences.
asked by Caleb 
math
A rectangular tank measure 4m by 2.5m by 10m. If the empty tank is to be filled in 10mins by a cylindrical pipe through which water is forced at a rate of 1 metre per second, find to 3 significant figures the diameter of the pipe in centimetres.
asked by Jermaine 
Math
The fifth term of an arithmetic progression is 19 and the fourteenth term is 15. Find the, first term, common difference, and sum of the first eighty terms.
asked by Destiny 
Physics
A drone capable of flying north at a speed of 4.0 m/s in still air is attempting to fly across a field 120 m wide. There is a wind blowing at 5.0 m/s [E]. a) Find the drone's velocity relative to the ground. b) Find the time it takes the drone to cross the
asked by Taha 
trigonometry
from a point A on the side of straight road, the angle of elevation of the top of the electric pole is 15°20'. from a point B on the same side of the road, the angle of elevation of the top of the pole is 10°52'. If the distance of A and B is 50 meters,
asked by andre 
Science plz help its really inportant
What is the function of the nucleus? Why is it the most obvious organelle within a cell?
asked by awesomeguy123 
calculus
Find the derivative of 4sinx(6cosx+9sinx) at x=¦Ð/6.
asked by beth 
Chemistry
A pot containing 500 g of water at 100 degrees Celsius would require how much energy to boil off completely
asked by Erika 
Math
While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay
asked by Anonymous 
HILLSIDE
Calculate the price elasticity of demand between $110 and $130.
asked by RASHAWN 
Calculus
A home owner wants to fence in his yard of 600 sq. feet. Three sides are to be constructed with chain link fence at a cost of 3.25 per linear feet. The fourth side is to be constructed with a wood stockade fence at a cost of $5.45 per linear foot. A) what
asked by Jen 
Math
For a particular quadratic function f(x)=ax^2+bx+c, f(−3)=−13 and f(2)=7. If a=−3, find b and c.
asked by Help Please! 
Math
1)Carson lost 5 pounds in one week. What property is used in this situation? Why? 2)Frankie wanted to buy a new hat for $14, but left the store without buying anything. What property is used in this situation? Why?
asked by Chloe 
ChemistryDr.Bob
What is the increasing dipole moment for CO,CS, and SiS? My answer: SiS
asked by Sanaya 
calculus
Use implicit differentiation to find the slope of the tangent line to the graph of 18*x^(1/2)+5y^(1/2)+14 at(81/324,1)
asked by beth 
english
who said I think we'll all be destroyed by the a bombs so why should I care about anything
asked by Anonymous 
US HISTORY
I don't need answers I just need some help. No negative comments please. When was the image commissioned and hung? What is the historical context of this painting? What events were occurring when this painting was created that could have contributed to its
asked by Trish 
Calculus
Find the derivative of f(x)=(2x)^(1/2)ln(15x)
asked by Erik 
chemistry
How do you write the balanced chemical equation for the addition of aqueous potassium fluoride to aqueous copper(II) sulfate? please explain this as a step by step process.
asked by amellusrosa 
math help
what is 100 times greater than 4.089?
asked by aissatou 
Biology (Please, Help Me!)
Please, help me! Differentiate a logistic growth pattern from an exponential growth pattern.
asked by Victoria 
Mahiga
a sample of 0.5g gaseous alkane occupies a volume of 200cm3 at STP,find molar Mass
asked by Maria 
Math
Ben wants to buy a new car, and she has narrowed her choices to two models. Model A sells for $12,500, gets 25mi/gal, and costs $300 a year for insurance Model B sells for $16,100, gets 36 mi/gal, and costs $400 a year for insurance. Jenny drives about
asked by Anonymous 
math
A woman was tired of being asked how old she was, so she composed the following riddle Four times two and nine times three, add that to my age and it will be, as much two tens and four, plus twice my age minus a score.
asked by akim 
Algebra
You travel with a boat 90 km downstream with the current in 6 hours and back upstream in 10 hours. Find the speed of the stream and the speed of the boat in still water, assuming that the motion is uniform.
asked by Bob 
Help with College Stat class
c) There is a correlation between students’ levels of anxiety and the number of days they are absent from school (r = 0.53, p = 0.31). Interpret if this result was statistically significant and explain why or why not.
asked by Stacy 
English
It was not Welle's intention to cause a nationwide panic, but that's what he did. The infinitive phrase is to cause a nationwide panic. Is this phrase a noun, adjective, or adverb? I think a noun because it restates what his intention was not?
asked by Kelley 
8th grade maths
The dimensions of rectangle is 40*25if the breadth and length are increased by 15% what is their new area in percentage
asked by Vishwanan 
Differentials (calc)
Solve the Poisson equation ∇^2u = sin(πx) for 0 ≤ x ≤ 1and 0 ≤ y ≤ 1 with boundary conditions u(x, 0) = x for 0 ≤ x ≤ 1/2, u(x, 0) = 1 − x for 1/2 ≤ x ≤ 1 and 0 everywhere else. Hint: break this up as into two different PDEs.
asked by Help please! 
chemistry
Calculate the molarity of a 6% solution of ammoniun nitrate of density 1.025 g/mL
asked by derek 
English
1. Can I go home a little early? 2. Can I go home kind of early? 3. Can I go home rather early? 4. Can I go home somewhat early? ========== Are they all the same? Which ones are commonly used?
asked by rfvv 
math
Identify the direction of opening,the coordinates of the center, the vertices, and the foci. Find the equations of the asymptotes and sketch the graph. x^2/16y^2/9=1
asked by CEED 
Math trigonometry
A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, 4) what is the equation of the function? I remember writing 3cos(1/2(xpie/2)1 but I'm sure that it's wrong ?
asked by Kim 
English
The idea that most people usually behave in a calm and reasonable way is (refuted, numbed) I think refuted Each time she answered a guestion correctly, she rewarded herself with a (smug, ravenous) little smile of selfcongratulation. I think ravenous
asked by sun 
English & Comp
For our "Colon" (:) assignment, my teacher asked us to create a compound sentence that makes a general statement and follows with specific details/ create expectations and fulfills it. But How do you do that using Colons?.. A simple example would help me
asked by Emma 
Linear algebra
In a medical prognosis model, there are three states for a person: well, ill and dead. We are given that the prob. one states well given that the person is well is 0.3. The prob. one becomes ill given that one is well is 0.5. The prob. one states ill given
asked by Lucie 
Chemistry
Compute the surface area of revolution about the xaxis over the interval. y = x^2, [0, 4] Is it (pi/12)(65^2  65)^(3/2)?
asked by Sanaya 
world history
Which of the following is not one of the new thoughts of or about God that were formulated in the Axial Age? A. Involved God B. Divine God C. Many Gods D. Single God
asked by helper girl 
Biology
Need help on the deciding which releases the most energy  fermentation or cellular respiration. I read fermentation is quicker but didn't know if it necessarily released the most. Thanks...
asked by Brandi 
Critical thinking
If you can draw another conclusion from premises is the conclusion inductively invalid?
asked by A 
ugochukwu
A company borrowed 100000 at 5% per annum on compound and repayed 7000 at the end of each year, how much is he owing at the beginning of 12 years
asked by merit 
Math
What is a equivalent expression for 16 + 56?
asked by Jamya Patrick 
physics
A) Assume the mass of a pendulum is 3kg. Calculate the work done by the pendulum on the mass from 0 degrees to 180 degrees ( you will need to integrate with respects to d(theta ) instead of dx given: the mass at the end of the string experiences a
asked by Spice 
Chemistry
How can you tell if a compound is polar or nonpolar? Is it just by lewis structures? what would copper (II) phosphate be?
asked by Sarah 
st augustine/math
robert has 50 coins.there are 5 centavos and 10centavos total of 3.50.. How many 5 centavos are there?
asked by Lynet 
math
There are 266 students that need to fit in the auditorium. 9 kids can fit in one row. How many students will sit in the last row?
asked by mohd 
Math
It is possible to have an angle where sin A > 1. True or False
asked by April 
Math
Mr Daniels bought 5 candy bars for a band fundraiser at $2 each. How much does he owe?
asked by Cody 
Math
A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, 4) what is the equation of the function? I remember writing 3cos(1/2(xpie/2)1 but I'm sure that it's wrong ?
asked by Kim 
physics
if a worker pushes a box 3 times as far as you do and exerts double the force you applied, which one of you does more work and by how much?
asked by bshayer 
Math please help
A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, 4) what is the equation of the function? I remember writing 3cos(1/2(xpie/2)1 but I'm sure that it's wrong ?
asked by Kim 
precalc
For each: a) Identify the ellipse as horizontal or vertical b) Give the coordinates of 1) The center 2) The major vertices 3) The minor vertices 4) The foci 1) [(x+4)2/64] + (y2/100) = 1 2) [(x1)2 / 36] + [(y+3)2 / 25] = 1
asked by jim 
HELP
What/how do you study???? I have been struggling, and even flashcards aren't helping. My final exams are next week!!!!!
asked by Ireland 
Chemistry
Zn + 2HCl = ZnCl2 + H2 Which amount would produce more H2: 17gramsZn OR 150 mL of 0.5HCl?
asked by Ashley 
lsue
the larger of two numbers is 11 more than three times the smaller. the sum of the two numbers is 59. fine the two numbers
asked by jasmine 
math
what is 4.089 in expanded form? my answer was 00.489.
asked by aissatou 
Geology
Why are the Ape Caves called the Ape Caves?
asked by Kelsie 
math
which two numbers have a quotient of 12 a)10 b)111 c)119 d)120
asked by sanjheev 
Math
I am thinking of two twodigit numbers.they differ by 54.Both numbers are made up of the same digits, are reversed.What are the two numbers?
asked by Tommy 
Creative Writing
I need short story ideas. I am hoping to write a real tearjerker, but I've already written works involving mental illness, eating disorders, and suicide. Does anyone have any other ideas?
asked by Victoria 
English
Is it okay to tell in the first paragraph of a cover letter who I am and how many years of education I have?
asked by Anonymous 
Math
How long will it take to earn $288 in interest if he invests $2400 at a rate of 4 %
asked by Anonymous 
central middle
In September, the ratio of the amount Ray spent and the amount he saved was 4:1. In October, he got a salary raise. He increased his spending by 25% but save the same amount. Find the new ratio. Is it 5:1?
asked by sara 
Spanish
How do you say "She said I could not" in Spanish?
asked by Whitney 
statistics
how many different bidge cad can be selected fom an odinay deck of 52 cads
asked by rabia 
math
how to do theoretical probability?
asked by Ireland 
Math
which two numbers have a quotient of 11
asked by SANJHEEV 
Algerbra please help!!!!!
1. 4 5(x+8) 2. 3x + 4(x6)3(x7) 3. X+8 (with a line under it) 3 5. 5p>30
asked by Bandgeek15 
chemistry
A sample consist only NaCl and NaBr has amass of 0.7648gm. This sample is place in solution in which excess of silver is added which forma precipitate the AgCl and AgBr has amass of 1.5758 gm . what's the percentage of Cl and Br in original sample ?
asked by Nechirwan 
Applied Calc
PLEASE HELP FIND DEFINITE INTEGRAL. I've been on this problem for an hour and a half and done it over 7 different ways. It can't be THIS hard!!! ∫ ((t^2)t)^2) dt with b=3 and a=1 thank you.
asked by Annale 
calculus
Find the derivative of y=(7x^(1/3))/(x^2+9)
asked by beth 
Biochemistry
Why we cool the tube in anthrone test then observe the color
asked by Zahraa 
Math
I am a common multiple of 8 and 2. I am greater than 50 and my digits are 3 apart. What am I?
asked by Alyssa 
Calculus
Find the derivative of y=(2*x^(3/2))/(x^2+5)
asked by Erik 
math
how many 1/6 pound hamburgers can be made with 8 pounds of meat
asked by sky 
Math
What is the biggest number that is before Infinity but after Hitachi SR 8000??
asked by Anonymous 
Soc 203
According to the conflict perspective, laws are relative and change over time. true or false
asked by ashley 
calculus
Find the critical numbers x1 and x2 of y=(9x^2+3)/4x.
asked by beth 
NATSCI 2
A sand bag is dropped from a baloon it is observed that strikes the ground 8 sec. Afterwards,how far is the baloon ?
asked by shaynaa 
Maths
2tan x + sec x = 4cos x
asked by Vincent 
Math
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asked by April 
math
what is pi
asked by Andy