Questions Asked on
October 1, 2015

Math
joe needs to construct a fence that is 75 yards long and 40 yards wide the arra also needs to be divided into 3 equal sections how many yards of fencing will be needed?
asked by Anonymous 
math
The mean of four numbers is 5 and the mean deviation is 3.Find the fourth number if the mean deviation of the first three numbers is 2?
asked by Ilearn 
math
What is the rule g for this problem 86 ? 52 ? 18 ?
asked by angela 
Math 71x
One cell phone plan allows 200 text messages per month for $20 after which text messages cost $0.04 each. Another cell plan allows 400 text essages per month for $30 each. What would be the minimum text messages that would justify the more expensive plan
asked by Christina 
Sphere find x
If the diameter of a sphere is increase by 20% the volume also increased by x% find x??
asked by Collins 
Waka sss
The oxidation number of sulphur in CUSO4.5H2O IS
asked by John 
math
jasmine has eight pack of candle wax to make scented candles each pack contains 14 ounces of wax.Jasmine uses 7 ounces of wax to make one candle how many candles can she make
asked by amber 
prealgebra
diameter of the atomic nucleus of a lead atom is 1.75 x 10^10
asked by jemina 
Math
particles move at x=2sin(t), y=3cos(t),z=t at any t>0. What is the accelaration and jerk
asked by Anonymous 
mass volume ratio
6.5g of zinc was reacted with excess HCL.calculate the volume of dry hydrogen gas. my work zn+2HCLzncl2 + H2
asked by tosin 
Algebra
Solve for p 3 (p + q) = p A. q = 2/3 = p*** B. q = 3/2 = p C. p = 2/3 = q D. p = 3/2 = q Solve for r d = rt A. r = dt*** B. r = t/d C. d/t D. r = d  t Find the width of a rectangle with a perimeter of 90 and a length of 15 A. 90 B. 15 C. 45*** D. 30
asked by Abby 
Uclm
A book is opened and the sum of the page numbers facing each other is 193. What pages of the book have you turned to?
asked by Mia cuizon 
Probablity
The life time of a certain kind of batteries has a mean life of 400 hours and standard deviation as 45 hours. Assuming the distribution of life to be normal, find i) the percentage of batteries with a life time of atleast 470 hours. Ii) Out of 10000
asked by Kruti 
physics
A 0.19 kg hockey puck has a velocity of 2.1 m/s toward the east (the +x direction) as it slides over the frictionless surface of an ice hockey rink. What are the (a) magnitude and (b) direction of the constant net force that must act on the puck during a
asked by john 
Math
Hello, I need to use matrices in order to solve this problem but I am having a hard time getting started with the problem. I just need a little push to nudge me in the right direction. Please help. Thank You. You have been hired as a consultant for Crazy
asked by Andres 
English Lit
1. Which of these is a compound sentence? A. Although the weather is sometimes warm in early march. B. Forecasters predicted six more weeks of winter this year.*** C. The old saying " in like a lion, out like a lamb".
asked by Abby 
Math
Which one is greater! 59.875 or 59.78 Which symbol? (>,
asked by Anonymous 
PHYSICS
A spring of a car has a spring constant of 155 N/m. what is the force needed to stretch the spring by 5.00 cm from its original length?
asked by LL 
PHYSICS
Calculate the stress, strain and young's modulus of a wire with a crosssectional area of 3 x 10^7 m^2 and a length of 0.6 m that is stretched to a distance of 1.2 x 10^3 by a 120 N force.
asked by LL 
PHYSICS
compute for the density of a brake fluid used in a car which has a volume of 600cm^3 and a mass of 100 g?
asked by LL 
PHYSICS
a car has a mass of 1200kg.The area of the tire in contact with the ground is .02m^2. What is the pressure of each tire?
asked by LL 
PHYSICS
a truck with a mass of 5000 kg and a velocity of 15.0 m/s collides headon with a car whose mass is 1000 kg, moving at 30.0 m/s. if the two vehicles move together after the impact, at what velocity do they move?
asked by LL 
Probability Of Tourism
A tourist bureau survey showed that 80% of those who seek information about the state actually come to visit. The office received 7 request for information. What is the probability that all will visit? What is the probability that at least one will? I've
asked by Amber 
Physics
A bullet shot horizontally strikes the ground with a velocity of 150.0km/h (10 degrees below the horizontal), determine the height from which it was fired.
asked by Jacob 
conversion
5 HP > watts
asked by LL 
conversion
10 Joules > ergs/s
asked by LL 
conversion
20 watts > joule/s
asked by LL 
conversion
2 KW > Hp
asked by LL 
chemistery
a balloon contains 3.86 L of argon at a temperature of 45 Celsius, what would the volume at 80 celsius
asked by Anonymous 
conversion
800 watts > KW
asked by LL 
History
How did President Theodore Roosevelt put his progressive activism to work toward big business, conservation, and international affairs?
asked by N/A 
Social Studies
1. For centuries, Arab Muslims had generally welcomed Christian pilgrims to the Holy Land. Which group later took control of the Holy Land, attacked pilgrims, and led Pope Urban to call for the crusades? a. Mongols b. Byzantines c. Seljuk Turks*** d. North
asked by Talia 
PreAlgebra
Which exponent makes this statement true? One fifth to the ninth power equals five to what power? A) 9 B)9 C) 1/9 D)1/9
asked by Grace 
physics
While following the directions on a treasure map, a pirate walks 37.8 m north, then turns and walks 5.2 m east. What is the magnitude of the single straightline displacement that the pirate could have taken to reach the treasure? Answer in units of m.
asked by Anonymous 
physics
At what angle with the north would he have to walk? Answer in units of ◦ .
asked by Anonymous 
physics
While following the directions on a treasure map, a pirate walks 37.8 m north, then turns and walks 5.2 m east. What is the magnitude of the single straightline displacement that the pirate could have taken to reach the treasure? Answer in units of m. 004
asked by Anonymous 
Physics
Consider a car with front crosssectional area of A=(1.77±0.02)m^2 and a drag coefficient of C=(0.38±.02) moving with a speed of v=(10.0±0.5)m/s. Suppose that the density of air is p=1.20 kg/m^3 at the sea level. Calculate the force F=(1/2)CApv^2 on
asked by NONEE 
physics
A truck travels up a hill with a 13◦ incline. The truck has a constant speed of 18 m/s. What is the horizontal component of the truck’s velocity? Answer in units of m/s
asked by Anonymous 
Math
K4 1st11 2nd __ 3rd30 4th25 5th10 6 1 BEST prediction for the number of days testing, for 2nd grade? 15 20
asked by Jocie 
Edu tech
Can you please check this Probability can be used to determine the likelihood of specific ________. A:games B:occurrences C:questions D:opportunites D is my answer
asked by Simon 
LA
At the end of her aunt's story in “The StoryTeller," the older girl asks whether the girl in the story would have been rescued even if she had not been good. What does she seem to think is the theme of her aunt's story? What detail in the aunt's story
asked by foreveralone 
Probability Of Tourism
A tourist bureau survey showed that 80% of those who seek information about the state actually come to visit. The office received 7 request for information. What is the probability that all will visit? What is the probability that at least one will? I've
asked by Amberlynn 
physics
A superhero flies 172 m from the top of a tall building at an angle of 23 ◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Answer in units of m.
asked by Anonymous 
Probability
A tourist bureau survey showed that 80% of those who seek information about the state actually come to visit. The office received 7 request for information. What is the probability that all will visit? What is the probability that at least one will? I've
asked by Josiah 
Math
109x=96 cannot figure out why 13 keeps coming up as the answer. Seems like you should be adding 109 to both sides; any help?
asked by Kim 
02
define perfect square
asked by dessaalegn 
math
Name the least number that, when rounded to the nearest hundred is 700
asked by Cathy 
PROBABILITY PLEASE HELP
A tourist bureau survey showed that 80% of those who seek information about the state actually come to visit. The office received 7 request for information. What is the probability that all will visit? What is the probability that at least one will? I've
asked by John 
Language arts
From an hour with Abuelo: which paragraphs represent the exposition in Abuelo's story?
asked by Kiara 
social studies
which culture carried the knowledge of iron tools across Southern Africa in a series of migrations? a. Nubians b. Arabs c. Bantu d. Europeans which group of foreign traders first became involved in Eastern Africa's slave trade? a. Arabs b. British c. Dutch
asked by khandrel 
algebra
How many quarts of permanent antifreeze must be added to 10% quarts of a 40% antifreeze solution in a radiator of a truck to make a 25% antifreeze solution?
asked by jay 
American History
The mixing of plants, animals, and microorganisms that occurred after Europeans arrived in the Americas is known as A. the Columbian Exchange. B. global interdependence. C. triangular trade. D. global mixing.
asked by Sidney 
Probability Of Tourism
A tourist bureau survey showed that 80% of those who seek information about the state actually come to visit. The office received 7 request for information. What is the probability that all will visit? What is the probability that at least one will?
asked by Amber 
math
could someone help me revise these Inequalities problems? my answers are under the question... For questions, #3 #4 and #5 my teacher said "equals as well?" For question #8 my teacher said "where's the inequality sign?" 3. Joe expects to spend at least
asked by Abby 
Math Help!!
What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a rational number. How do I explain or do this?!?
asked by Emma Cox 
Career
1.)your skills are the things (1 point) A.)Your like to do B.)You can do C.)That are most rewarding to you on the job D.)Regarding the ways you usually think and behave 2.)An event is probably a pride experience for you want to tell people which of the
asked by YRN DJ 
math
Cazz receives a semimonthly paycheck from a jazz club of $4,500.00. He is married and is entitled to 1 withholding allowance. Using the percentage method, calculate the amount of income tax that should be withheld from his paycheck each pay period.
asked by smith 
Career
13. All of the following traits contribute to your MyersBriggs type, EXCEPT: (1 point) A.)agreeing–disagreeing. B.)introversion–extroversion. C.)judging–perceiving. D.)thinking–feeling. 14. Luisa has started up four different companies and served
asked by YRN DJ 
Perumutation
In how manys ways can nine women be sitted on a round table if two paricular women must not sit next to each other??
asked by Collins 
Career
23. Few, if any skills can be used in more than one job situation. (1 point)True False 24. It is possible to have some skills that you do not actually enjoy very much. (1 point)True False 25. When talking about job skills, the letters TIP stand for Things,
asked by YRN DJ 
Science
According to the law of conservation of mass, what should the product side of this single replacement reaction look like ? A. H2 ZnCl2 B. H2 + Zn + Cl2 C. H2 + ZnCl2 D. Zncl2
asked by LoveMuffin 
Physics
An aircraft piston engine starts from rest and accelerates to 1500rpm in 4.95s. This engine through a reduction gearbox drives a 9m diameter propeller at 55rpm What is the engine's angular displacement in 4.95s?
asked by Lisa 
History
The Mayflower compact was written by the Plymouth colonists as a... A law and order contract B religious loyalty contract C pledge to Native Americans D pledge to the other colonies I am not very sure but i think it may be B
asked by ? 
Physics addition of velocities
A seagull flies at a velocity of 7.00 m/s straight into the wind. (a) If it takes the bird 17.0 min to travel 6.00 km relative to the earth, what is the velocity of the wind? (b) If the bird turns around and flies with the wind, how long will he take to
asked by Marcus 
Physics
A ship sets sail from Rotterdam, The Netherlands, heading due north at 5.00 m/s relative to the water. The local ocean current is 1.54 m/s in a direction 40° north of east. What is the velocity of the ship relative to the earth?
asked by Taylor 
Physics
A hockey player is moving at 7.00 m/s when he hits the puck toward the goal. The speed of the puck relative to the player is 32.0 m/s. The line between the center of the goal and the player makes a 90° angle relative to his path as shown in Figure 3.30.
asked by Mike 
Physics
Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The front runner has a velocity of 3.50 m/s, and the second a velocity of 4.20 m/s. (a) What is the velocity of the second runner relative to the first? (b) If
asked by Mike 
Chemistry
Caluculate the mass of ferrous ammonium sulfate (Fe(NH4)2(SO4)2.6H2O) you would need to add to a 4.0 mL volumetric flask to make a solution that is 75 ppm. I've already identified that Fe is 14.24% of the Mohr's salt, but how would the conversion of that
asked by Ronnie 
Vanessa Skellington PLZ help!!
The Mayflower compact was written by the Plymouth colonists as a... A law and order contract B religious loyalty contract C pledge to Native Americans D pledge to the other colonies I am not very sure but i think it may be B
asked by ? 
functions
sources said that differentiation of GIF is 0 but x in GIF is variable .and diff.of simple x is 1.?
asked by Edward 
SS
The Protestant Reformation was a new government. a study of scientific ideas. a religious and historical movement. an idea of the Catholic Church.
asked by Stacy 
SS
Which area was known as the Gold Coast because of its abundance of gold? Cape of Good Hope coast of West Africa** Portugal Mediterranean coast
asked by Stacy 
SS
What is the basis for the the economic theory of mercantilism that drove the exploration and settlement of North America by Europeans? Mercantilism is rooted in the idea that a nation’s power stems from the authority of an absolute monarch. Mercantilism
asked by Stacy 
Chemistry
you are a public health officer in the water treatment facility for a city of 50,000 people . A concentration of 1.0 ppm of fluoride in the drinking water is sufficient for the purpose of helping to prevent tooth decay. The compund normally chosen for
asked by Anonymous 
SS
How did the Protestant Reformation in Europe influence the settlement of North America? European settlers of different religions chose to establish new colonies in order to spread their faith and practice their beliefs. Religious thinker John Calvin was a
asked by Stacy 
Physics
In air, the distance traveled by a sound wave is 140 meters during 400 vibrations. If the frequency of the tuning fork is 500 Hz, find the velocity of sound in air. Here's what I did: Wavelength= 140/400=0.35 So, velocity= 500*0.35= 175 m/s Am I right?
asked by Anonymous 
Career
23. Few, if any skills can be used in more than one job situation. (1 point)True False 24. It is possible to have some skills that you do not actually enjoy very much. (1 point)True False 25. When talking about job skills, the letters TIP stand for Things,
asked by YRN DJ 
Tech
1. You're on the first slide in the presentation, an then after clicking on a shape you jump to another slide .what was added to this presentation to make this happen? A:a slide transition B:a clip art image C:a text animation D:an action button 2. which
asked by Adri, 
buisness
in 2009 Nokia decided to move from Germany ro Romania and then to china . in this question we need to decide whether it's ethical or not.or if it's just a business decision . i have been reading and and saw articales that support my opinion . i believe it
asked by mona 
chemistry
consider the following reaction Ca + 2HCI CaCl2 +h2 identify the substance that is oxidized identify the substance that is reduced identify that is oxidizing agent identify the reducing agent
asked by woin hareg 
Louisiana History
Please check my answers 1.Which best describes the effect of European settlers on the culture of Native Americans in Louisiana? A) The Native Americans were left to prosper on their tribal homelands. B) The Native Americans turned increasingly from hunting
asked by Jessica 
Math
If m^9/m^6 = 8, what is the value of m^5/m^2? A:3 B:7 C:8 D:14
asked by Darth Vader 
Tech
1. You're on the first slide in the presentation, an then after clicking on a shape you jump to another slide .what was added to this presentation to make this happen? A:a slide transition B:a clip art image C:a text animation D:an action button 2. which
asked by Adri, 
Math?
1.How are the two statements given below related to each other? x: if you run for 10 minutes, then you will raise your heart rate. z: if you do not run for 10 minutes, then you will not raise your heart rate. A) Z is the contrapositive of X. B) Z is the
asked by Tim 
chemistry
Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the:
asked by ray 
Social Studies
1) A fairly dry area between the Sahara Desert and the wetter regions to the south is the ___. A. savanna B. Sahel C.grasslands D. Congo ^ Is it D, Congo? 2. Which African climate zone is home to the savanna? A. tropical wet B. tropical wet and dry C.
asked by Lily 
math
As part of a 3day workout plan to prepare for a triathlon, an athlete ran 7 and one eighth718 miles Monday, 11 and one third1113 miles Tuesday, and 14 and one sixth1416 miles Wednesday. How many miles did the athlete run in the 3day
asked by mo 
Social Studies
1. The climate along the equator in Africa is ____. A. hot and dry B. hot and wet** C. wet and dry D. cold and dry 2. What is one way that people have changed the environment in parts of West and Central Africa? A. They have made all land arable. B. They
asked by Lily 
Math
A food co.packs 24 cans of tuna into a box. The co.has 768 cans to box. If they sell a full box for $12,how much money will the food co.make on these boxes?
asked by Brooke 
Social Studies
Name three factors factors that combine to make the eastern usa a industrial region
asked by Michelle 
Pre Algebra
Complete the table (Was in a table form!) Scientific Notion /// Standard Notion 1. ________________ = 62,000,000 2. 3.05*10^6 = ___________ 3. ________________ = .00000089 Simplify 4. (9.8*10^2) * (5*9*10^7) 5. (7.2*10^5) / (4.3*103) My Answers: 1.
asked by Help 
Technology
1. To insert clip art into a document, what step should I take after I find the clip art I want to insert? A. Use the scroll bars to find more choices of clip art B. Click on the clip art image C. Click on the clip art button D. Click the Insert tab at the
asked by Charlotte 
littlten elermenrty
Write the 3digit number that answer the riddle.I have the same hundred digit as ones digit. The value of my tens is 50. The value of my ones digit is 4.
asked by maya 
algebra 2
Find the slope of the line passing through the points (3, 1) and (0, 8)
asked by Courtney 
Math
Monica Collects quarters, dimes, nickels and pennies. This afternoon she took $ 1.00 from her collection. She counted the coins and found that she had twice as many nickels as dimes. What coins could Monica have?
asked by Michelle 
Health
Sandra has determined her BMI at 33. Explain how she can apply the FITT training principles to improve her body composition. ~~~~~~ Can you guys help me get the idea of what they are asking me?
asked by Derpy Pegasus 
math
If you have 4,358 students at one school and another school has 3times that many students, how many students are there?
asked by Anonymous 
ratios
emily recipe calls for 5 parts pineapple juice to 3 parts orange sherbert. james calls for 8parts pineapple to 6 parts orange sherbert.
asked by sharon 
math
If you have 4,358 students at one school and another school has 3times that many students, how many students are there?
asked by Anonymously 
Technology
Which of the following is an example of a recent development in technology Need help urgent Please whats the answer and the right answer
asked by Heidy 
Biology  Genetics
Can someone please help explain in a step by step process how to do this problem and what it means? I do not understand what it is asking for exactly in regards to positive, negative, and the resistance gene and so forth...especially about the media being
asked by Misa 
English
Which of the following nouns from the selection is a proper noun? ground vegetable friend georgia
asked by MIW4LIFE 
Louisiana History
Please Help!! 6. Which problem did Bienville address first when he returned to serve Louisiana's governor a second time? A) food shortage B) Indian relations C) lack of colonists D) money shortage
asked by Jessica 
Technology
Which of the following is an example of a recent development in technology
asked by Anonymous 
Louisiana History
Please Help!! 9. Why did Louisiana's proprietary governor, Cadillac, first have trouble with the Indians? A) He refused to smoke the calumet. B) He ordered raids on Indian settlements. C) He captured and made slaves of the Indians. D) He ordered the
asked by Jessica 
Louisiana History
Please Help!! 10. Why was it necessary to move Fort Maurepas? A) Native Americans kept attacking the fort. B) The sandy soil the fort stood upon was useless for growing.** C) The king of France did not want the fort to be in a place that everyone could
asked by Jessica 
Georgia History
which of the following immigrant group came to Georgia unwillingly. A.Quakers B.ScotsIrish C.slaves D.Puritans I think C
asked by john 
Louisiana History
Please Help!! 12. What was the main exploration goal of Robert Cavelier, Sieur de La Salle? A) to find gold and silver** B) to find an allwater route to China C) to establish a fur trade with the Indians D) to map the route of the Mississippi River
asked by Jessica 
math
The ratio number of adults to students at the prom is 1:10. Last year there were 162 more students at the prom. If the school is expecting the same attendance this year,how many adults have to attend?
asked by Dwan 
math
can you solve expressions that have the same variables, but are in a different order? For example: 36jkm  36mjk
asked by Andrew 
Biology
What is true of the energy that is passed from one trophic level to the next in a food chain? A)About 10% of the energy passed from one level to the next is released as heat. B)About 10% of the stored energy of one level becomes stored energy at the next
asked by SkatingDJ 
math fractions
Lana`s toy boat can sail 7 1/2 yards in 4 1/6 minutes. How far would it sail in 8 3/4 minutes if it kept the same pace?
asked by kiki 
math
diego is saving money to buy a computer game. he saves $2 the first month , and each month after that, he saves twice as much as the previous month. which expression shows how much he saves in the third month
asked by kayli 
math fractions
3 3/7*2 7/12
asked by kiki 
filling procedue
You have an inactive file. How do you decide if it must be sent to the archives or if it should be destroyed? A. Check the records retention schedule. B. Ask your employer. C. Ask the person who asked to have it filed. D. Make a decision on your own. My
asked by jennifer 
math fractions
one and fivesixths/onehalf/twelve
asked by kiki 
math
six*one and onefourth*one and twothirds
asked by kiki 
math fractions
one and twosevenths/one and ninefourteenths
asked by kiki 
Physics
Sam, whose mass is 71.0 kg , takes off down a 51.0 m high, 11.0 ∘ slope on his jetpowered skis. The skis have a thrust of 210 N . Sam's speed at the bottom is 41.0 m/s .
asked by W 
math fractions
eleven*two and twothirds/one and foursevenths
asked by kiki 
math fractions
seventwentyfourths*one and seveneighths/three and onehalf
asked by kiki 
Social Studies
What year was Jamestown settled? What were the settlers looking for initially? What guaranteed their success?
asked by Mariam 
Math
annie has save $27 of her allowance. she needs $50 to register for a skateboard event this summer . Express the fraction of the registration fee that she has saved as a decimal.
asked by Anonymous 
math
5 1/32 3/7
asked by kiki 
math fractions
1 3/10+2 1/7+2/5
asked by kiki 
physics
A skier leaves the top of a ski ramp at an angle of 25 degrees with an initial velocity of 10 m/s. The ramp is 60 m high, neglecting air resistance determine:
asked by T 
physics
A ball is kicked with an initial velocity of 20.0 m/s at an angle of 35 degrees to the ground. If it is to pass over a wall 5.6 m high determine a. The minimum horizontal the wall can be placed from the ball’s launch point in meters. b. What would be the
asked by T 
Chemistry
Helium is mixed with oxygen gas for deepsea divers. Calculate the percent by volume of oxygen gas in the mixture if the diver has to submerge to a depth where the total pressure is 4.7 atm. The partial pressure of oxygen is maintained at 0.20 atm at this
asked by HannahSparks 
physics
A skier leaves the top of a ski ramp at an angle of 25 degrees with an initial velocity of 10 m/s. The ramp is 60 m high, neglecting air resistance determine: a. The time it takes the sk ier to reach the ground. b. How far away from the base does he land?
asked by T 
Language Arts
I need some examples of the ACES format. I didn't really understand it and I only need one example. I need the format for a remake of a test question that needed to be done with ACES. Thanks in advance to anyone who helps!
asked by Derpy Pegasus 
Help!! Geometric progression
Question(1):A G.P has a common ratio of 2 find the value of 'n' for which the sum 2n terms is 33 times the sum of n?? Question(2):in A G.P the product of the 2nd and the 4thterm is double ,the 5th term and the sum of the first 4 term is 80.find the G.P??
asked by Collins 
math
Keri walks her dog every morning. The length of the walk is 0.55 on each weekday. On each weekend day, the walk is 1.4 times as long as a walk on a weekday. How many kilometers did Keri walk in one week
asked by ash 
chemistry
The mass value for Br79 is 78.918amu. Find the mass of Br81
asked by linda 
chemestry
a compound salt Xcl2 contains 203% chloride what is element x?
asked by mary 
AP Calculus
a norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. find the dimensions of a norman window of maximum area if the total perimeter is 72 units. Base value is 21.
asked by Tom 
math?
1.How are the two statements given below related to each other? x: if you run for 10 minutes, then you will raise your heart rate. z: if you do not run for 10 minutes, then you will not raise your heart rate. A) Z is the contrapositive of X. B) Z is the
asked by tim 
Your professinal image
The key to maintaining a strong selfesteem is A. being able to bounce back quickly from disappointments. B. not pursuing something once you've failed at it. C. telling yourself repeatedly that you're better than others. D. never allowing it to go up or
asked by jennifer 
Social Studies 8
Which period of history was influenced by the classical Greek and Roman works? A)Renaissance B) Age of Exploration C) Technology Era D) Dark Ages
asked by Connections Academy Student 
astronomy
The Keck telescope on Mauna Kea has an angular resolution on Earth of half an arcsecond. How far away (in meters) could you read ("resolve the letters of") a book with 3 mm square type, using the Keck telescope on Earth?
asked by Tsambikos 
astronomy
The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm. You are tasked with building a solar power plant in the Arizona desert, using solar panels with 10% efficiency. How large an area (km^2) must your solar panels cover to match the
asked by Tsambikos 
Anonymous
1. Can you give an example of an open equation? 2. How can you use an equation to make a predidtion from a patern?
asked by 2 math questions? 
English
What does the narrator's choice of words reveal about her character In "the wife's story"
asked by THE WIFES STORY 
chemistry
give products of HgCl2 + KSO4
asked by Mary 
Math
Convert 630 cubic centimeters to cubic inches. I know that 1 inch = 2.54cm I tried 630/2.54 but I didn't get the answer in my book, which is 38.44. What am I doing wrong please?
asked by Katie 
Math
A block of cheese has a mass of kG it is cut into smaller pieces each weighING 2.5 KI log rams .how much will a shopkeeper collect if he sells each piece of cheese for $12.00
asked by Emily 
Physics
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.41 m. The stones are thrown with the same speed of 8.35 m/s. Find the location (above
asked by bob 
Math
Find each product mentally using the distributive property show the steps that you used
asked by Shan 
math
the types of mini food players as it is triple plays in band is there in flute players write an algebraic expression to find out how many trumpet players there are
asked by karla 
math
the Nile River is the longest river in the world that 4160 miles a group of explorers travel along the entire now in xx days they traveled the same distance each day write an algebraic expression to find out each day's distance
asked by karla 
math
a slice of pizza has 290 calories to find out how many write an algebraic expression to find out how many calories there are in a slices of pizza and b stalks of celery
asked by karla 
math
grant pays $0.10 per minute plus $5 per month for telephone long distance write an algebraic expression for m minutes of long distance calls in one month
asked by karla 
Social Studies 8
Who were the first Early American civilization to build stone pyramids? A)Maya B)Olmec C)Aztec*** D)Inca
asked by Connections Academy Student 
please help!!
Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I don't know how to find the derivative, i Keep getting it wrong. But I know where
asked by Angelica 
math
what is the reciprocal of 3/5? Express your answer as both a fraction and a decimal rounded to the nearest hundredth.
asked by stefanos 
physics
A 5 kg magnet exerts a constant force of 3 N on a 0.25 kg magnet. What force will the smaller magnet exert on the larger magnet?
asked by Anonymous 
Physics
A road heading due east passes over a small hill. You drive a car of mass m at constant speed v over the top of the hill, where the shape of the roadway is well approximated as an arc of a circle with radius R. Sensors have been placed on the road surface
asked by David 
Statistics
Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds, 7,035 are good risk, 1,388 are medium risk, and the rest are poor risk. One bond is chosen risk? Write only a number as your
asked by Obi 
Sequences and Series
use the iterative rule to find the eighth term in the sequence an = 25 − 3n. 176 49
asked by Sara 
Statistics
A group of freshmen and sophomore students was selected and each was asked whether they were a member of a student club. The following table was constructed: Student Club No Student Club Freshman 4 15 Sophomore 9 7 Find the probability that a randomly
asked by Obi 
Chemistry
A certain substance undergoes decomposition by a firstorder reaction which has equal to 30.0 minutes. If the initial concentration of the substance is 1.28 mol/liter, what will its concentration be after 2.50 hours? 1. 0.36 M 2. 0.040 M 3. 0.32 M 4.
asked by Jim 
Statistics
At a local university, when scheduling classes, the probability that there are no evening classes available on a certain day is 0.80. what is that probability that there is at least one evening class available on that day? Write one a number as your
asked by Obi 
Math
A rectangular piece of metal with dimensions 14 CMA 24 CM is used to make an open box equal squares of side length X centimeters are cut from the corners and sides are folded up a polynomial function that represents the volume, V,of the box is:
asked by Beth 
math
bret divided 3 1/2 by a number and got 4 1/2.what number did he divide by?
asked by maria 
Statistics
The probability of winning something on a single play at a slot machine is 0.29. After 6 plays on the slot machine, What is the probability of winning at least once? Write only a number as your answer. Round your answer to four decimal places (for example:
asked by Obi 
Statistics
A number of people were asked how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. Number of days: 0 , 1 , 2 , 3 , 4 , 5 Frequency:
asked by Obi 
Statistics
An investor is considering an investment in a startup company. she estimates that she has probability 0.25 of a $ 39,739 loss, probability 0.20 of a $ 19,759 profit, probability 0.15 of a $ 49,068 profit, and probability 0.40 of breaking even (a profit of
asked by Obi 
Statistics
The probability that a student uses Smarthinking online tutoring on a regular basis is 0.41. In a group of 21 students, what is the probability that exactly 5 of them use Smarthinking Online Tutoring on a regular basis? Write only a number as your answer.
asked by Obi 
History
Is anyone available to help me? I need to create a metaphor to describe the structure of our federal government The example they provided is "The American Government is a tripod; without each post, it would collapse." I can't find anything that fits very
asked by Abby 
Statistics
The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of 10 commuters is selected, what is the probability that at most 3 of them listen to audiobooks? Write only a number as your
asked by Obi 
Statistics
At a car rental agency, 0.34 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability that more than 3 of them are returned on time? Write only a number as your answer. Round to 2 decimal places ( for example: 0.24).
asked by Obi 
Statistics
In a certain class 27% of the students are lefthanded. suppose that a random sample of 53 students is selected. Find the mean number of lefthanded students in the class. Round your answer to the nearest integer.
asked by Obi 
Physics
A ball is tossed straight up into the air with a velocity of 37 m/s. What is its velocity at the top of its flight?
asked by Isabelle 
Maths
How would you work out when this function turns and goes in a different direction? (like a turning point for a parabola): s=0.2t(t5.1)(t9.1)
asked by alexis 
Math
1.Suppose you have socks loose in a drawer. You have a black sock, a gray sock and a tan sock. How many outcomes are there for selecting 2 socks? a.Make a tree diagram to model the selection of 2 socks WITHOUT REPLACEMENT. (That is, you keep the sock out
asked by Samantha 
applied problems with fractions
For the food drive, the 5th grade has a goal of collecting half a ton of canned goods.
asked by mike 
AP Chemistry
Hey guys! Thanks in advance for help! Confused on a question: If the rate=k[NO]^2[Br2], and the concentration of Br2 is doubled, what happens to the rate? Maybe Answer: Maybe the rate would increase by a factor of two?
asked by Allie 
Precalculus
Find the inverse function of f(x) = 4  8/x^2, where x>0 What I think is because there is a restriction to domain (x>0), the function is invertible since sqrt(x) will always result in +x. Am I right?
asked by Lid 
Math
After a birthday party, 2/3 of a cake is left over. The remaining cake is split into 4 equal pieces. What fraction of the original cake is each piece?
asked by Amy 
Physics
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 14 m/s, skates by with the puck. After 3.5 s, the first player makes up his mind to chase his opponent. (a) If he accelerates uniformly at
asked by Michael 
physics
A net horizontal force F =A +Bt^3 acts on a 2kg object, where A = 5N and B = 2N/s3. What is the horizontal velocity of this object 4.0 seconds after it starts from rest? F=ma=5+2t^3 a=2.5+t^3 V=2.5t+(1/4)(t^3) therefore, at t=4, V=74m/s Is this correct?
asked by ari 
Physics
A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.4 cm below the aim point What was the bullet's speed as it left the barrel? Express your answer to two significant figures and include the appropriate units
asked by raquel 
physics
An astronaut on a strange planet nds that she can jump a maximum horizontal distance of 30 m if her initial speed is 9 m/s. What is the acceleration of gravity on the planet? θ=45° because maximum distance R=(Vi²/g)(sin2θ) g=2.7m/s² correct?
asked by ari 
physics
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The freefall acceleration on the moon is 1/6 of its value on earth. Suppose he hit the ball with a speed of 25 m/s at an angle 24 ∘
asked by raquel 
Physics
There are competitions in which pilots fly small planes low over the ground and drop weights, trying to hit a target A pilot flying low and slow drops a weight; it takes 1.6 s to hit the ground, during which it travels a horizontal distance of 160 m . Now
asked by raquel 
physic
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. (a) At what angle is the rock thrown? (b) Would your answer to part (a) be different if the rock is thrown with the same
asked by giz 
Chemistry
Determine the total grams of Potassium Iodate solution
asked by Anonymous 
statistics
The Economic Policy Institute periodically issues reports on wages of entry level workers. The Institute reported that entry level wages for male college graduates were $21.68 per hour and for female college graduates were $18.80 per hour in 2011 (Economic
asked by gabby 
AP Chemistry
I am fairly sure that a) is no change, and c) is shifts to the right...but I am not sure about b) and d). Thanks. How does the equilibrium position shift as a result of each of the following disturbances? Sodium bicarbonate undergoes thermal decomposition
asked by Patrick 
Physics help!!
A 0.15 kg baseball is moving at 49 m/s toward home plate when it is hit with the bat. The ball is in contact with the bat for 0.0022 s, and leaves the bat at 25 m/s directly away from home plate. Determine the average force exerted by the bat on the ball.
asked by jerod 
algebra
Consider that the halflife of Polonium210 is 140 days.What approximate daily percentage of decay does Polonium210 demonstrate?% (Round to two decimals.)(Hint: use the Rule of 70 backwards by dividing by the halflife period instead of the rate.) What
asked by Tristan 
chemistry
A chemist determined by measurements that 0.0850 moles of mercury participated in a chemical reaction. Calculate the mass of mercury that participated in the chemical reaction. Round your answer to 3 significant digits.
asked by brittany 
algebra
Benjamin has $7.40 in change in his pocket, all in dimes and quarters, he has 44 coins in all. How many dimes does he have?
asked by mike 
algebra
How many cases would there be for an absolute value with 3 sets of absolute value symbols?
asked by carol 
SCI/220
You have two relatives both 55 years old and both have always eaten a diet of primarily fast food. One of these relatives has severe heart disease and the other has low cholesterol levels and no sign of heart disease. What is the best explanation for this?
asked by Anonymous 
Algebra
A rectangular field has a total perimeter of 128 feet. The width is 24 feet less than the length. What are the dimensions of the field?
asked by Rodo 
physics
Two forces A and B are applied to an object whose mass is 12.3 kg. The larger force is A . When both forces point due east, the object's acceleration has a magnitude of 0.443 m/s2. However, when A points due east and B points due west, the acceleration is
asked by jordan 
physics
Only two forces act on an object (mass=4.41 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.
asked by jordan 
AP Physics
Question Part Points Submissions Used The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the
asked by Anonymous 
Chemistry
The density of water is 1gm/cm^3. Use the density and these dimensions to find the mass of the water in grams in a fish tank. Use the rules of significant figures and rounding to come up with the correct answer. 30 cm width * .075 meters length * 15 inches
asked by Anonymous 
Physical science
Help tires rated for 60,000 miles and tread depth of 3/8" Hoe do I estimate how much tread is worn off for every mile driven?
asked by Madison 
Physics acceleration
A car accelerates uniformly from rest to a speed of 91.4 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s
asked by Jackie 
Math
After leaving the runway, a plane's angle of ascent is 16° and its speed is 267 feet per second. How many minutes will it take for the airplane to climb to a height of 12,500 feet? Round answer to two decimal places. I know the answer is 2.83, but how?
asked by Anonymous 
chemistry
phsophorous trichloride and phosphorous pentachloride equilibrate in the presence of molecular chlorine according to PCl3 (g) +Cl2 (g)>PCl5 (g) Kc = 2.01 at 500k If a 1.000L reaction vessel is charged with .300 mol of PCl5(g) and allowed to equilibrate at
asked by james 
chemistry equilibrium
phsophorous trichloride and phosphorous pentachloride equilibrate in the presence of molecular chlorine according to PCl3 (g) +Cl2 (g)>PCl5 (g) Kc = 2.01 at 500k If a 1.000L reaction vessel is charged with .300 mol of PCl5(g) and allowed to equilibrate at
asked by james 
Spanish
Hi Sra! Could you please check my answers on these questions? 1) Como quiera. Mientras Ud. ______ un sobre, yo limpiaré el compartimento. (MIRAR / BUSCAR)  Busque 2) Pero, por favor, antes de que Ud. se ________, (IR / VER)  Vayas 3) Cuando llegues (8)
asked by Steve 
Statistics
In a certain class 27% of the students are lefthanded. suppose that a random sample of 53 students is selected. Find the mean number of lefthanded students in the class. Round your answer to the nearest integer. Pls help!
asked by sam