Questions Asked on
March 4, 2014

Chemistry Need Help!
Okay, the reaction is this: Naphthalene + HNO3 > NitroNapthalene The limiting reagent is Naphthalene The excess is the nitric acid The equation is 1:1 balanced as far as I know 3 g of Nap used in the experiment x 1mol/128.17 g/mol = .023 mol Nap 12.69 g
asked by ChrisZZ 
Math
A wire to the top of a tower makes an angle of 52 with the le el ground. At a point 32 ft. Farther from the base of the toser and in líne with the base of the wire, the angle of elevation to the top of the toser is 21. What is the length of the tower.
asked by Hannah 
pre calculus
Jack invests $1000 at a certain annual interest rate, and he invests another $2000 at an annual rate that is onehalf percent higher. If he receives a total of $190 interest in 1 year, at what rate is the $1000 invested?
asked by Danielle 
pre calculus
Candy and Tim share a paper route. It takes Candy 70 min to deliver all the papers, and it takes Tim 80 min. How long does it take the two when they work together?
asked by Danielle 
english
What is the verb and the noun, A house is built by wisdom and becomes strong through good sense
asked by bulltough 
Physics
The coefficient of static friction between the m = 3.20kg crate and the 35.0° incline of the figure below is 0.260. What minimum force vector F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?
asked by James 
LITERACY
Which type of citation would you use for a psychology paper?
asked by Anonymous 
Intermediate Algebra
One leg of a right triangle has a length of 5 m. The other sides have lengths that are consecutive integers. Find these lengths. The other leg is ____ m The length of the hypotenuse is ____ m
asked by Spacegazing 
Chemistry
A mixture of gases is made up 0.48 mol of Ar and 0.94 mol of N2 with a total pressure of 1.68 atm. What is the partial pressure of Ar?
asked by Eddie 
Science
A tug is capable of pulling a ship with a force of 100 KN. If two such tugs are pulling on one ship, they can produce any force ranging from a minimum of 0 KN to maximum of 200 KN. Give a detailed explanation of how this is possible. Use diagrams to
asked by Sello 
physics
11) Three point charges of magnitudes +6.0 mC, 7.0 mC, and 13 mC are placed on the xaxis at x = 0 cm, x = 40 cm, and x = 120 cm, respectively. What is the force on the 13 mC charge due to the other two charges? A) 0.55 N B) 0.79 N C) 0.55 N D) 0.79 N
asked by sara 
math
ʃ sin² cos² dx
asked by zainab 
Intermediate Algebra
One leg of a right triangle has a length of 5 m. The other sides have lengths that are consecutive integers. Find these lengths. The other leg is ____ m The length of the hypotenuse is ____ m Is my answer correct? The other leg is 12 m The hypotenuse is 13
asked by Spacegazing 
Accounting
For earnings management, is impairment of goodwill easier to manipulate than impairment of PPE?
asked by SSSSSS 
art
how do you mix colors with craions
asked by cierra 
Maths
A rectangular park is 45 m long and 30 m wide. A road 5 m wide is construced outside the park. Find the area of the road . The estimated cost of constructing the road is Rs 1,70,000 at Rs 200 per sq.m.Is it right?
asked by Anonymous 
math
Marty's rock shop has a stock of 360 shells. 80% of the shells are from florida. How many of the shells are from florida?
asked by anonymus 
math
Martys rock shop has a stock of 360 shells. 80% of the shells are from florida. How many of the shells are from florida?
asked by Anonymous 
science
which detail helps to predict stormy weather? a). Dewpoint: 57F./ 14c. b). Barometer:29.99 rising. c). Hi:65F, d).Heat index: NA. My answer is ( b )
asked by Anonymous 
math
The center pole of a tent is 8 feet long. the side of the tent is 12 feet long. If a right angle is formed where the center pole meets the ground, what is the measure of angle a.(there is a pic, the 8ft line is the center pole going down, this forms the
asked by B8 
World History
1.How did modern states emerge? 2.What challenges confronted the centralization of Muslim states during the 18th century? 3.How did the different Muslim states respond to these challenges? If you can at least tell me where to find it that would be great.
asked by Linda 
Astronomy
Imagine you are on some far away planetary system looking for planets in the galactic neighborhood and you spot our sun in your sky. In degrees, what is the maximum the orbit can be tilted from 90 in order to see a transiting eclipse (assume the longitude
asked by qwerty 
Astronomy
A newly discovered planet has a surface temperature of 330 K and a density of 6 g/cm3. What minimum radius does the planet need to have in order to hold water in its atmosphere indefinitely? (in km)
asked by qwerty 
Astronomy
How close to the sun Ganymede would have to be in order to hold water in its atmosphere. (in AU)
asked by qwerty 
Astronomy
The coolest star whose peak blackbody wavelength can be observed with the human eye (the exact range of visible light varies from publication to publication, so use 380nm to 750 nm).
asked by qwerty 
Astronomy
What is the estimated total lifetime for a star with mass 0.7 Msun ? (in billions of year)
asked by qwerty 
Math
Bob has three sacks of apples and three more apples in his pocket. Each sack contains the same number of apples. All together, Bob has 33 apples. How many apples are in each sack?
asked by Abhishek 
algebra
Brandon hit a baseball upward with an initial speed of 120 feet per second. How much later did Ollie catch the ball? Use the formula h = 16t squared + vt.
asked by John 
PRACTICAL ENGLISH PROCTORED EXAM
In which of the following sentences is the verb in the active voice? A. The telephone bill was paid yesterday. B. The mother called her son for lunch. C. The boy was called by his mother. D. We were told that Jim is ill.
asked by kevin 
Physics
A 64 kg student traveling in a car with a constant velocity has a kinetic energy of 1.6 10^4 J. What is the speedometer reading of the car in km/h?
asked by Donisha 
physics
A Helicopter lifts a Gorrila With Weight 50000kg on String a and on String B a Bunch of Bananas Mass 2000kg , Calculate the Acceleration of the Bunch of Bananas. The helicopter accelerates upwards 1m.s^2
asked by Okwa Nini 
african american studies
Slavery and Society, 18001860 1. What invention contributed to the need for more slaves in the late 18th century? 2. What region of the United States was slavery most prominent? 3. What percentage of US exports was based on cotton production? 4. Describe
asked by yessica bonilla 
please check(Social studies)
): 12. The American Revolution most likely encouraged the Mexican people to revolt against Spain by A. exposing Spain’s lack of resources. (I pick A.) B. introducing new political principles to Mexico. C. inspiring the French Revolution. D. showing that
asked by bonn 
managerialaccounting
Describe how total variable costs and unit variable costs behave with changes in the level of activity.
asked by mimi 
English
Identify the excerpt that uses foreshadowing. A.) "They're spoiled and we're spoiled." B.) "I have a feeling it'll be Africa again before then." C.) "Wendy and Peter aren't in their rooms." D.) "They're not old enough to do that alone, I explained." I
asked by Cassie 
geometry
A slide 2.8 m long makes an angle of 25 degrees with the ground. How high is the top of the slide above the ground?
asked by Anonymous 
english 3b
How do Realists and Romanticists differ?
asked by alex 
Physics
A person is travelling 6 km (E) then 4 km (N) and finally 2 km (W). Calculate the average speed And velocity. Show your work
asked by Mika 
Probability
For each of the following statements, determine whether it is true (meaning, always true) or false (meaning, not always true). Here, we assume all random variables are discrete, and that all expectations are welldefined and finite. Let X and Y be two
asked by qwerty 
Social studies***help***
HI im Dalia and i just want my answers to be checked for the subject of Social studies.thanks again. 6.Which aspect of Aztec culture benefitted the Spanish when they were conquering the Aztecs? A.The Aztecs made enemies of the surrounding tribes who were
asked by dalia 
English: Please Help
I do have some corrections made but my computer wont let me copy and paste the part I did. Please Help. This is the uncorrected version: Scientists report that creatures living in the deep sea are in danger of starving to death. Millions of undiscovered
asked by Cassie 
Physics
A 500 kg gocart is traveling at 15 m/s when the driver slams on the brakes. The cart comes to a stop in 7 m. If the same braking force is applied, how far will the cart travel after braking if it were traveling at 32 m/s?
asked by Anonymous 
math
A box contains only quarters and dimes. If there 10% more quarters, the total value of the money in the box would increase by 7.5%. What is the ratio of the number of quarters and dimes in the box? Express your answer as a common fraction.
asked by Katie 
Science
Which statement best summarizes the world’s reaction to stratospheric ozone depletion discussed in Chapter 7.4 of your text?
asked by 100 % 
life orentation
briefly explain how the skills of negotiation and mediation can assist one resolving conflicts
asked by nondumiso 
math
Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?
asked by Katie 
life orentation
advantages and disadvantages of being involved in any comflict
asked by nondumiso 
please check(Social studies)
im not gonna get frustrated with this anymore because it wont help me but i read some info online and thought these new answers where related to the topic 16.Which aspect of Aztec culture benefitted the Spanish when they were conquering the Aztecs? A.The
asked by dalia 
algebra
Determine whether y varies directly with x if so find the constant of variation k 3y=7 x18
asked by snow 
Math
"Find the slope of the line passing through J(0,5) and K(1,2)" I did the problem but I just need someone to check if its right. my work: M= y2  y1  x2  y1 M= 2  5  1  0 M= 3  1 M= 3 Thank you.
asked by Kylee 
AP Chemistry
Rank the following in terms of increasing ox ide acidity. 1. Na2O, CO2, NO2 2. CO2, NO2, Na2O 3. NO2, CO2, Na2O 4. CO2, Na2O, NO2
asked by Anonymous 
please check(Social studies)
if this isnt right can someone find me a link where i can read more info about it. 17. Which of the following is the most valid reason for not digging up Aztec ruins in modern Mexico City? A.There are no Aztec ruins under Mexico City. B.Mexicans have very
asked by dalia 
Math
Mr. Bailey mowed his yard in 90 minutes. His son Roy mows the yard in 75 minutes. How long will it take them if they work together (using 2 lawn mowers)?
asked by John 
algebra
Find the value of y for a given value of x if y varies directly with x if y=2.52 when x=8.4,what is y when x=2.7 thanks
asked by snow 
Physc
A symmetric projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. HOw long it takes to reach its peak height? The projectile has a range of 80 meters.What is its horizontal velocity? What is the projectile's horizontal
asked by Mary 
Physics
A 2 kg ball is rolled down a hill 25 m tall. When it reaches the bottom of the hill it is traveling at 15.1 m/s. How much energy was dissipated due to friction?
asked by Tyler 
Chemistry
How much would the boiling point of water increase if 4 mol of sugar were added to 1 kg of water (Kb=0.51C/(mol/kg)for water and i=1 for sugar)?
asked by Whitney 
slavery and society
1. what institutional mechanisms helps to regulate slavery? 2. what factors contributed the deterioration of the black family during this era? 3. what were some of the ways some slaves rebelled against their condition? 4. describe two of the leaders of the
asked by yessica bonilla 
Algebra
Long Divide: (x^2 + 3x + 5)/ (x + 3) Thanks.
asked by Jack 
algebra
A leaky value on the water meter overcharge the residents for one gallon of water every 1 1/3 months.the overcharged amount w varies directly with time t find the equation that models this direct variation how many months it will take for the residents to
asked by snow 
Heat Transfer
A hollow tube having an inside diameter of 2.5 cm and a wall thickness of 0.4 mm is exposed to an environment at h=100 W/m2¨¬C and T¡Ä =40¨¬C. What heat generation rate in the tube will produce a maximum tube temperature of 250¨¬C for k =24
asked by Ritesh 
math probability
Daytime high temperatures in New York in February are normally distributed with an average of 30.2º and a standard deviation of 8.5º. Estimate the probability that the temperature on a given day in February is 39º or higher.
asked by Jamar 
math Standard deviation
Six students took a national standardized test for which the average score was 700 and the standard deviation was 150. If a student’s zvalue is 1.75 on the test, what was the student’s score?
asked by Jamar 
Math probability
An experiment consists of drawing a marble out of a bag, observing the color, and then placing it back in the bag. Suppose the experiment is repeated 75 times, with the following results: red 38 blue 23 green 11 yellow 3 What is the probability of drawing
asked by Jamar 
Math 3
Cindy runs a company that designs and prints gift cards for a department store. Quality controls is very important, and Cindy must determine that the cards are being printed properly. For every 6,000 batches of 100 cards that are printed, she examines
asked by Jamar 
English help..
Can someone check to see if this is written correctly? It was like this  Scientists report that creatures living in the deep sea are in danger of starving to death. Millions of undiscovered species live, in the deep sea. Creatures in the seabed are
asked by Cassie 
basic algebra
A park ranger's team tags 6 wolverines. A month later, they catch 5 wolverines of which 2 have tags. Estimate the number of wolverines that live in the park.
asked by Mike 
Basic algebra
Bill drives his car 10 mph faster on the way home from work than he does going to work in rush hour. If it takes him 1 hrs. going and half an hour returning, how far away is his work?
asked by Mike 
Geometry
Which statement from Euclidean geometry is also true in spherical geometry? a. A line has infinite length b. Two intersecting lines divide the plane into four regions c. Two perpendicular lines create four right angles d. The intersection of two lines
asked by Kylee 
Math
Doug needs to purchase four sheets of marine grade plywood to make repairs on the roof of his garage. Depending on the type of tree used to make the wood, the cost of the plywood is between $42 and $45 per sheet. Which of the following is a possible amount
asked by Gabby 
Economics
A clinic has $1 million in revenues and $950,000 in costs. What is its operating margin? My answer is 5% However the second question is if the clinic invested $400,000. What is the return on investment and is it adequate. Not sure how I calculate that.
asked by Lisa 
HELPPPP NOOWW !!!!!
Type the pronoun that correctly completes the sentence. Remember that you must spell your answer correctly to receive credit. Yes, the one who designed the house was (she, her). (Points : 1) Question 2. 2. Type the pronoun that correctly completes the
asked by kaila flowers 
Math
Bill has a savings account in Sierra Bank and earns interest at 2 1/4%. He is considering moving his business to Coulee Bank to earn 2 11/20% in interest. How much more is the interest rate at Coulee Bank than at Sierra Bank?
asked by Gabby 
math
1.09%1000
asked by rajwinder 
College Chemistry.
During volcanic eruptions, hydrogen sulfide gas is released and is oxidized by the oxygen in the air yielding sulfur dioxide gas and water vapour. Calculate the standard enthalpy change for this reaction given the following: 3S(rhombic) + 2H2O(g) →
asked by Tomisin 
science HELP ASAP!!!!!!!
1. in which biome would you find the main types of plants life to be grasses and nonwoody plants? (1 point) 2. Which of the following determines the type of biome classification that will be made for a particular region? (1 point) 3. which of the following
asked by annonomys 
Alegebra 2
Two positive numbers differ by 2. Their reciprocals add to 3. Find the numbers. (keep your answer in simplest radical form)
asked by Anonymous 
Financial Management
Your company will generate $68,000 in an nual revenue each year for the next seven years from a new information database. If the appropriate interest rate is 8.5 percent, what is the present value of the savings?
asked by Anonymous 
Math
A marine life amusement park has 6 killer whales. Each whale consumes about 225 kilograms of fish and other see life per day. Based on this information, which would be the most reasonable estimate of the amount of “whale food” that should be ordered
asked by Gabby 
Tourism
How can government people and citizens help increase tourism? If I can get a website for this, that would be fine.
asked by Anonymous 
Algebra
Bill drives his car 10 mph faster on the way home from work than he does going to work in rush hour. If it takes him 1 hrs. going and half an hour returning, how far away is his work?
asked by June 
help
can anyone answer this...if you want me to try first i came up with the answer A. for the following question Which of the following best describes a way in which the United States has helped the Mexican economy to grow? A.allowing Mexican workers in the
asked by dalia 
math
need some help 2x^2 + 5x 3
asked by WINSTON 
math
i need help understanding this problem. 3x^2+4x+2=0
asked by WINSTON 
basic algebra
Boris has 10 ounces of a 10% acid solution. How many ounces of 25% acid solution should he add to make a solution that is 20% acid? Thank you.
asked by Mike 
Algebra
Mr. Bailey mowed his yard in 90 minutes. His son Roy mows the yard in 75 minutes. How long will it take them if they work together (using 2 lawn mowers)? How to set up an equation? Thank you.
asked by June 
social studies
can someone answer this please and thanks .How has Mexico's culture been shaped by conflict among different people? Be sure to name the groups were involved in the conflict, describe the conflict, and explain how the conflict or cooperation shaped Mexico's
asked by dalia 
social studies
1. who was the governor of Louisiana when the civil war began ? 2. at the begging of the civil war the free men of color supported the Confederacy ? true or false 3. who was the military governor of Louisiana ?
asked by victoria 
chemistry 2
You are instructed to create 800. mL of a 0.69 M phosphate buffer with a pH of 7.6. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. what is the molarity needed for the acid component of the buffer?What is the molarity
asked by Danielle 
Algebra
what solid has 2 bases that are triangles and 3 lateral surfaces that are rectangles a triangular pyramid b rectangular prism c triangular prism d rectangular pyramid my answer is C
asked by Steve 
english
Sentence for word duke.
asked by atul 
Algebra  Domain
Find the domain of the function: 0=((y4)/(8sqrt(y)))
asked by Freddy 
US history
1. In the early years of the war, all reports coming to the USA had to be “cleared” through England. 2. In the 1916 presidential election, Republicans used the slogan “He kept us out of war” against Wilson. 3.Wilson’s Fourteen Points called for
asked by Lisa 
math
What is the main difference between a square and a rhombus?
asked by anthony awesome 
Math
The land on Earth’s surface is represented by the seven continents. Europe has 77% of the dry land while Africa has 20%. North America has 4/25 and Antarctica has 1/10 of the dry land. What fractional amount of the dry land is contained within the three
asked by Anonymous 
Geometry
A right triangle must be a. isosceles b. acute c. scalene d. either isosceles or scalene
asked by Kylee 
C++
Would you check and correct my error please! ******************************* #include #include #include viod Binary_to_Decimal(); int main(int argv,char argc) { while(1
asked by Ayk 
Geometry
Which of the following is not a postulate used to prove the congruence of two triangles? a. ASA b. SSA c. SAS d. SSS I think its C?
asked by Sarah 
Algebra
what is the formula used to calculate the surface area for a square pyramid?
asked by Steve 
Math
Mr. White notices that of the 30 students in his science class, 18 are using yellow pencils, 6 are using blue pencils, 4 are using erasable ink pens, and 2 are using mechanical pencils. If his class is representative of the student body, and there are 600
asked by Anonymous 
Algebra
what is the formula used to calculate the lateral area for a square pyramid?
asked by Steve 
Physics
A knife thrower throws a knife toward a 300g target that is sliding in her direction at a speed of 2.30 m/s on a horizontal frictionless surface. She throws a 22.5g knife at the target with a speed of 39.5 m/s. The target is stopped by the impact and the
asked by Timothy 
Math
The recommended fluid intake for an adult is 64 ounces a day. By non, Shelly has had 2 cups of water. How many more ounces of fluid does Shelly need to consume in order to reach the recommended fluid intake? A 48 fl oz B 8 fl oz C 16 fl oz D Not here
asked by Anonymous 
Math Word Problem
Hey guys, I believe the answer is $0.96 I just don't know if it is right or not. Here's the question: Mr Veung buys tins of tuna in cases of 24 tins. He pays $20.16 for a case. If the markup on each tin of tuna is $0.12. How much do you pay for a tin of
asked by Harmony Ann 
AP World History
1.How did the Atlantic Revolutions influence the development of new states and ideologies? 2. Compare the challenges to the 18th century Muslim world and the causes of the Atlantic Revolutions?
asked by Linda 
Which is greater?
27,648 42.39 7.85 32,400 (I think its 32,400)
asked by Anonymous 
4th garde math
J.T. shaded 3/5 of a rectangle. Mary shaded 4/12 of a congruent rectangle. who shaded more. how do you know
asked by mythreyee 
4th grade math
Billy shaded 6/8 of a circle. mary shaded 15/16 of congruent circle. who shaded more. how do you know
asked by mythreyee 
social studies
who was the military governor of Louisiana ?
asked by victoria 
social studies
at the begging of the civil war the free men of color supported the Confederacy true or false ?
asked by victoria 
social studies
Commander of all the Confederate forces who surrendered at Appomattox Court House
asked by victoria 
social studies
How did the federal blockade of New Orleans affect the citizens of Louisiana ?
asked by victoria 
POEM FOR MS.SUE
I LOVE UR ATTITUDE UR SO KIND FOR ALL UR KINDNESS YOU NEED A PENNY AND BY THEN YOU WILL BE A BILLIONAIRE THANK YOU HUN FOR EVERYTHING LOVE U FOREVER UR SECRET ADMIRER BTW I LOVE U BABE FOR UR SMARTNESS
asked by A=Awesome 
NEED HELP ASAP !!
A mountain climber on Mt. Everest is at 29,035 ft above sea level a stone at the bottom of the Dead Sea is at 1,349 ft below sea level what is the difference in elevation between the mountain climber and the stone
asked by A=Awesome 
PreCalc
why is the line =+t perpendicular to the plane 3x=4y+5z=10
asked by Danielle 
Chemistry
what volume of concentrated 18M H2SO4 is required to prepare 250mL of a 6.0M solution? how would you solve this problem? i know it has something to do with the molarity formula but no idea how to apply it
asked by Lena 
Math
If I have a square pyramid. Each side of the base has 60m and the height is 20 m. What is the lateral area of pyramid
asked by Urs 
Language
What's the easiest way to tell the difference between participles and gerund? Besides that one is a adjective and the other one is a noun and the type of questions they ask.
asked by Lily 
Physics
Three astronauts, propelled by jet backpacks, push and guide a 149 kg asteroid toward a processing dock, exerting the forces shown in the figure, with F1 = 28 N, F2 = 59 N, F3 = 41 N, θ1 = 30°, and θ3 = 60°. What is the (a) magnitude and (b) angle
asked by Anonymous 
Chemistry
if 25.0 mL of 15M nitric acid is diluted to 125 mL, what is the concentration of the new solution? i got 3M but i don't think its right
asked by Anonymous 
Math
Write an equality to describe the situation. A sleeping bag will keep a person warm in temperatures down to 20 degrees farenheit.
asked by Anonymous 
socialstudies
How has Mexico's culture been shaped by conflict among different people? Be sure to name the groups were involved in the conflict, describe the conflict, and explain how the conflict or cooperation shaped Mexico's culture.
asked by dalia 
Algebra
Neil gets in an elevator at the 30th floor and it begins to move downward at a speed of 8 feet per second. After 12 seconds the elevator is 240 feet above ground. a. Let y= the height in feet of the elevator 'x' secinds after Neil got in. Write an equation
asked by Natalie 
Historyhelp
I need help on this! Please help me! Thank you :) you're a huge blessing! What is driving the economic changes in china and why? What economic system do you believe china is? Why? What are the goals and dreams of the Chinese compared Americans? What are
asked by Anonymous 
Math
A square pyramid each side of the base has a length of 60 m and the height of each triangle is 20 m. What is the lateral area of the pyramid?
asked by Urs 
Physics  check answers please
1. Which of the following best shows the transfer of heat by radiation? my answer: c 2. Which of the following best shows the transfer of heat by convection? my answer: b 3. Water has specific heat of 4200 J per kilogram per degree celsius. This means that
asked by Lisa 
Physics  check answers please (new)
1. Which of the following best shows the transfer of heat by radiation? a) the hot sand in very painful to step on with bare feet b)the soup pot boils from the bottom towards the top c)the wood stove is painted a flat black colour for maximum heating
asked by Lisa 
Canals
What exactly does a canal do, and how does it work?
asked by Anonymous 
Math
How do I use gaussjordan to solve this? Can you explain the steps and show what you multiplied, added, subtracted, etc to each row? 8x + 2y = 68 7x  y = 55
asked by Sara 
math
Write an inequality to describe the situation. A sleeping bag will keep a person warm in temperatures down to 20 degrees farenheit.
asked by Anonymous 
Chemistry
if 25.0 mL of 15M nitric acid is diluted to 125 mL, what is the concentration of the new solution? i got 3M but i don't think its right
asked by Anonymous 
Math
If a rectangle has a perimeter of 12 meters and each side is a whole number of meters, what are the possible dimentions for the length and width? List them and explain your answer.
asked by Hero 
math
The diameter of an electric cable is normally distributed, with a mean of 0.6 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.61 inch?
asked by lorine 
Math help
The land on Earth’s surface is represented by the seven continents. Europe has 77% of the dry land while Africa has 20%. North America has 4/25 and Antarctica has 1/10 of the dry land. What fractional amount of the dry land is contained within the three
asked by Anonymous 
math please help
Write an equality to describe the situation. A sleeping bag will keep a person warm in temperatures down to 20°F. Please I really need help.
asked by Anonymous 
health
People who regularly engage in at least moderate intensity aerobic activity have a significantly lower risk of developing ________ than do inactive people. A. Type 2 diabetes B. Lung cancer C. Hip fractures D. Breast cancer
asked by Anonymous 
Chemistry
Compare the physical and chemical properties of acids and bases.
asked by Brian 
History
Where did the first nations settle ?
asked by Anny 
Physics
A 96.0g wooden block is initially at rest on a rough horizontal surface when a 11.4g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient
asked by Ali 
PreCalc Help please
Solve for x: log base5 (4x) + log base5 (x) = log base5 (64)
asked by Aly 
Science
How was Ama Dablam formed?
asked by Anonymous 
algebra
A leaky value on the water meter the residents for one gallon of water every 1 1/3 months the overcharged amount w varies directly with time t find the equation that models this direct variation how many months it will take for the residents to be
asked by snow 
Social Studies
What are the exact dates and the 4 different routes Vasco Nuñez de Balboa took?
asked by Hayden 
Math
Kerry skates laps around the playgroung. The playground is 150 meters long and 50 meters wide. How many laps will it take her to skate 1 kilometer? I need els really badly and I av a math test tommorow I need to study perimeter and area.... I old
asked by Ida 
Hstory help asap
How did the cultural contact between Europeans and the First Nations affect the ways of life of people who lived on the Rupert river?
asked by Anny 
SOCIAL STUDIES
WHY DO I LOVE SOCIAL STUDIES???????
asked by SARAH 
Algebra 2
Can someone please check my answers? The question is: Write an equation for the perpendicular bisector of the line segment joining the two points. (5,6),(1,8)= y=3x+1 (1,4),(6,6)= y=(1/2)x(3/4) (5,10),(10,7)= y=(5/3)x(17/3)
asked by Jane 
Math
Gold medalist, in freestyle skiing, Justine DufordLapointe, is trying to get to her hotel. She can only travel north and east. The grid is a 5*5 followed by a 2*2, followed by a 8*8. How many ways can she take to her hotel?
asked by Anonymous 
Chemistry
How would you calculate the pH of the buffer if 1.0mL of 5.0M NaOH is added to 20.0mL of this buffer? Can someone please explain to me how to do B and C step by step so I could understand it clearly? :) Say, for example, that you had prepared a buffer in
asked by Airin 
chemistry 1
DDT concentrations in ground water. How do you set it up with a sample size of 250.0mL and the mass of DDT at 0.030 and then convert to millimoles. Just can't remember how to set it up.
asked by john 
Math
How do I solve this problem? : Four rectangle strips of wood, each 30 cm long and 3 cm wide, are arranged to form the outer section of a picture frame, as shown. Determine the area in side the wooden frame.
asked by Gaby 
Math
do the equations y=2x+3 and x=12y have common solution, no common solution or infinitely many common solutions?
asked by Brooke 
chemistry
which of the following summarizes Charles' Law? A. as temperature decreases, the gas particles slow down and take up less space B. as temperature increases, the gas particles slow down and take up less space C. when pressure decreases, the gas particles
asked by Brianna 
algebra
What is the slope of the line that passes through the given points?(2,12)and(6,11) answers are 1/4, 1/4, 4, 4. Thank you
asked by snow 
math
y=tanx/cosx4
asked by jnky 
Physics
Please help me with the following problem: Joe is on a crosscountry trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the
asked by Brady 
math
y= x^3 sinx  5cosc
asked by jnky 
math
A box contains only quarters and dimes. If there 10% more quarters, the total value of the money in the box would increase by 7.5%. What is the ratio of the number of quarters and dimes in the box? Express your answer as a common fraction.
asked by Katie 
Physics
A block of weight 4.8 N is at rest on a horizontal table. An upward vertical force of 0.6 N is applied to the block by means of a string. What is the magnitude of the force exerted by the block on the table top?
asked by Yarielis 
math
find d^2y of y=4sec 2cscx
asked by jnky 
Chemistry
Compare the physical and chemical properties of acids and bases.
asked by Damon 
Reading
Can someone explain the last 2 sentences in this paragraph...................................................................Here is one white visitor's account after visiting the Cotton Club as recorded in the New Yorker magazine...the big bass drum boom,
asked by cee 
Croissant park
green paint jar is 4/8 full the purple jar is 4/6 which paint jar is less full
asked by Dwayne 
math
y= cosxtanx
asked by jnky 
Math help
I need help on these problems. There over solving equations by factoring. Don't get it at all. 1. (Y+5)(Y7)=0 2. 2n(n20)=0 3. (2t3)(3t2)=0 4. (2u+7)(3u1)=0
asked by Anonymous 
ESl
what is the conflict on concluding sentence of mice and men book ??
asked by Iqbal 
English
Should kremlin be capitalized in this sentence. I want to see Moscow, especially the kremlin, which was the seat of government for the former Soviet Union.
asked by Kelley 
math
a piece of wire 24 ft. long is cut into two pieces. one piece is made into a circle and the other piece is made into a square. Let the piece of length x be formed into a circle. allow x to equal 0 or 24, so all the wire is used for the square or for the
asked by jason 
algebra
Can you explain to me how I have the answer put how do I find out how to find the right answer the question is what is an equation of the line in slope intercept form answers are y=2 x2, y=2 x2, y=2 x+2, y=2 x+2 want to know how to do them. Got to draw
asked by snow 
Physics
A 96.0g wooden block is initially at rest on a rough horizontal surface when a 11.4g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient
asked by Trevor 
chemistry
Calculate the mass of nickel(II) sulfate and the mass of water contained in 200. g of a 6.00% solution of nickel(II) sulfate
asked by Sarah 
Physics
You are carrying a backpack across campus. What is the work done by your verticals carrying force on the backpack? Please explain...
asked by Michael Smith 
MATH
a molecule of sodium carbonate contains 2 atoms of sodium to every 3 atoms of oxygen. could a compound containing 12 atoms of sodiumand 15 atoms of o2 be na carbonate explai
asked by AMY 
SS
Which do you think is more accurate to describe the location of the Middle East, to the east of the Mediterranean or to the west of India?
asked by Anonymous 
algebra (solve for y)
0=e^(2y)e^(y) Need to solve for y here, don't understand why answer is ln(2) in the book. Thanks.
asked by David 
Physics
Does it take twice the work to stretch a spring 2cm from its equilibrium position as it does to stretch it 1cm from its equilibrium position? Yes it does. (Just want to double check my answer)
asked by Michael Smith 
Still waiting for help...
How did the cultural contact between Europeans and the First Nations affect the ways of life of people who lived on the Rupert river?
asked by Anny 
physics
A pilot heads her plane with a velocity of 275 km/hr north. If there is a strong wind of 130 km/hr blowing east, what is the magnitude of the velocity of the plane in reference to the ground.
asked by jarrod 
physics
Can you help me everybodyyyy!!!! A charge Q = 14.0 μC is distributed evenly on a wire bent into an arc of radius R = 40.0 cm, as shown in the figure. What is the electric field at the center of the arc that subtends θ = ±53.0°?
asked by zeigarnik7 
physics
A bullet with mass 4.95 g is fired horizontally into a 1.994 kg block attached to a horizontal spring. The spring has a constant 5.58 10^2 N/m and reaches a maximum compression of 6.27 cm. (a) Find the initial speed of the bulletblock system. (b) Find the
asked by Anonymous 
Math
Eric has two rock samples. One has a mass of 600 grams and the other has a mass of 1 kg. He recorded the total mass as 7 kg. What did he do wrong? What is the correct answer?
asked by Ann 
introductory to physics
A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 4.0 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m
asked by alicia 
physics
A stone is tied to a string (length = 1.25 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next, the circle is vertical. In the vertical case the
asked by Anonymous 
Algebra
Robert needs to fill up a box with packaging material. Use the picture below to calculate the volume of the box. Length (2x+3) Width (x+2) Height (x3)
asked by Teresa 
Differential Equations
A college professor contributes $5,000 per year into her retirement fund by making many small deposits throughout the year. The fund grows at a rate of 7% per year compounded continuously. After 30 years, she retires and begins withdrawing from her fund at
asked by Victor 
physics
The plane is traveling at 288 m/s on a vertical circle of radius 622 m. Determine the ratio of the normal force to the magnitude of the pilot's weight. For comparison, note that blackout can occur for ratios as small as 2 if the pilot is not wearing an
asked by Anonymous 
AP physics
Pilots of highperformance fighter planes can be subjected to large centripetal accelerations during highspeed turns. Because of these accelerations, the pilots are subjected to forces that can be much greater than their body weight, leading to an
asked by Anonymous 
Physics
A sound wave in a solid has a frequency of 15.0 kHz and a wavelength of 0.333 m. What would be the wave speed, and how much faster is this speed than the speed of sound in air?
asked by Melanie 
Chemistry
If 0.08 mol of LiCl is added to a one liter solution that has dissolved 0.01 mol of PbCl2, will a precipitate occur?
asked by Allie 
algebra
The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations.
asked by billy 
AED
I am a little confused on how I go about writing these? Go to the National Access Network website and review the educational funding issues for South Dakota. Try to find information about the affect of school choice options on educational funding. From DQ
asked by Jamie 
Algebra
Terry is mailing two boxes. Together they weigh 21 lbs. If the smaller box is 5 lbs. less than the larger one, how much does each box weigh? Write and solve an equation that models this scenario.
asked by billy 
algebra
Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
asked by billy 
Physics
A 96.0g wooden block is initially at rest on a rough horizontal surface when a 11.4g bullet is fired horizontally into (but does not go through) it. After the impact, the block–bullet combination slides 6.5 m before coming to rest. If the coefficient
asked by Wendy 
math
y = x^3 sinx / 5cosx
asked by jnky 
physics
A rollercoaster car of mass 1.80 103 kg is initially at the top of a rise at point circle a. It then moves 40.8 m at an angle of 50.0° below the horizontal to a lower point circle b. (a) Find both the potential energy of the system when the car is at
asked by sarah 
math
y= cotX / cosX4
asked by jnky 
math
x^3(sinx)/ 5cosx
asked by jnky 
Physics
Two children pull a third child on a snow saucer sled exerting forces F1 and F2 as shown from above in Figure 4.36. Find the acceleration of the 49.00kg sled and child system. Note that the direction of the frictional force is unspecified; it will be in
asked by Mohanad 
math
y= (3x^3+2x)cotx
asked by jnky