Questions Asked on
February 14, 2014

math
There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? 14:3 11:3 3:14 or 3:11
asked by Angel 
Math
Yesterday, a parking lot had 60 cars parked in it. Of the cars parked in the parking lot, 40% were silver, 14 were red, and the rest were blue. How many of the cars were blue ( I Picked 6 cars) Answers To Choose:24 cars 38 cars 22 cars or 6 cars
asked by Angel 
Math
Emily has 85 books on her bookshelf. Of those books, 20% are mysteries, 18 are adventure stories, and the rest are fantasies. What is the simplified ratio of fantasies to total books on her bookshelf (i got 10:17 ) answers list:35:50 7:17 5:8 or 10:17
asked by Angel 
Math
A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas ( i got 1,032 ) answers to choose:1,032 miles 1,548 miles 1,204 miles or 1,376 miles
asked by Angel 
ENGLISH
1. Consider this quote: "In each of these historical instances . . . mistrust led to misunderstanding, which led to armed conflict." The ellipsis in this quote is appropriate if A. the omission is longer than 10 words. B. the meaning and spirit of the
asked by Beatrice 
Math
Everyone in Andy’s class has to do a science project. Out of the 20 students, 80% have completed their project. How many students still need to finish their projects (got 4 students)
asked by Angel 
Social StudiesCheck My Answers Please
1. During the election of 1824, which candidate won the popular vote and which candidate won the presidency? a.) Andrew Jackson; John Quincy Adams ***** b.) Andrew Jackson; Andrew Jackson c.) John Quincy Adams; John Quincy Adams d.) John Quincy Adams;
asked by Chloé 
PreCal
A Ferris wheel is 50 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 9 minutes. You make two
asked by Alanas 
ENGLISH
1. Audrey said that Kyle was the most unique person she had even met. Why doesn't this statement make sense? A. What is unique to Audrey may not be unique to others. B. Something is either unique or not unique. C. Kyle is probably not unique. D. No person
asked by Beatrice 
PreCal
A Ferris wheel is 40 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 7 minutes. You make two
asked by Courtney 
Math
A batter hits a baseball straight up into the air. The height of the ball in metres above the ground is given by h(t)=4.9t^2+23t+2, where t is the number of seconds after the ball is hit. a) What is the average rate of change in the height of the ball
asked by Jennifer 
precal
A kite flier wondered how high her kite was flying. She used a protractor to measure an angle of 36 degrees from level ground to the kite string. If she used a full 140yard spool of string, how high, in feet, was the kite? (Disregard the string sag and
asked by Courtney 
Arithemetic progression
the sum of 18term of an A.P is549 given the common difference is 3 find the 56th term and the sum of its 32term
asked by Anonymous 
Physics
two objects attract each other gravitationally with a force of (2.5)(10^10)N when they are 0.25m apart. Their total mass is 4.0 kg. Find their individual masses.
asked by Juan 
Math
Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent?
asked by Amy 
precal
The Singapore Flyer, currently the world's largest Ferris wheel, completes one rotation every 37 minutes. Measuring 150m in diameter, the Flyer is set atop a terminal building, with a total height of 165 m from the ground to the top of the wheel. When
asked by Anonymous 
precal
A Ferris wheel is 32 meters in diameter and makes one revolution every 4 minutes. For how many minutes of any revolution will your seat be above 24 meters?
asked by Anonymous 
Check my work plz?
2. If mangle sign1 = 53°, what is mangle sign4? 53° 43° 37° 27° 3. If mangle sign1 = 50°, what is mangle sign5? 50° 40° 35° 25° 5. If mangle sign4 = 75°, then what is mangle sign8? 105° 75° 175° 25° 11. Name the triangles that are classified
asked by Anonymous 
Physics
In a laboratory experiment, one end of a horizontal string is tied to a support while the other end passes over a frictionless pulley and is tied to a 2.6kg sphere. Students determine the frequencies of standing waves on the horizontal segment of the
asked by Amanda 
precal
The temperature of a chemical reaction oscillates between a low of 40 degrees C and a high of 100 degrees C. The temperature is at its lowest point when t = 0 and completes one cycle over a fivehour period. (a) Sketch below the temperature, T, against the
asked by Anonymous 
Math question
Name the triangles that are classified by angles. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute
asked by Anonymous 
physics
A snowmobile is originally at the point with position vector 28.7 m at 95.0° counterclockwise from the x axis, moving with velocity 4.85 m/s at 40.0°. It moves with constant acceleration 1.94 m/s2 at 200°. After 5.00 s have elapsed, find the following:
asked by Segun Akowonjo 
Physics
1. Consider four vectors ~F1, ~F2, ~F3, and ~F4, where their magnitudes are F1= 57 N, F2= 38 N, F3= 25 N, and F4= 67 N. Let θ1= 130◦, θ2=−130◦, θ3= 29◦, and θ4=−64◦, measured from the positive x axis with the counterclockwise angular
asked by Fabricus 
Ethics
1. Those things that we hold to be worthwhile and worth pursuing, such as freedom, happiness, and health, can be thought of as: A. virtues. B. values. C. vices. D. obligations. is it B 2. Which of the following would NOT be an example of a moral value? A.
asked by Any 
algebra 1/BGe
Geometry.the figures below are squares.find an expression for the area of each shaded region.write your answers in standard form.
asked by jeancarlos 
More Rational Exponents!
1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s eye above the pavement. All of the
asked by Brady 
Algebrahelp
what is y=2/7x4 written in standard form? A. 2x+7y=28 B. 2x7y=28 ****** C. 2x7y=28 D. 2x+7y=28 My answer is B???
asked by Cassie 
Rational Exponents  Please Help!!!!
I will appreciate it if anyone can help me with the following: 1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the
asked by Brady 
Ethics
1. "Goods" that are valued as a means to some other good are referred to as: A. intrinsic. B. instrumental. C. extraneous. D. nonessential. im confused between A and B 2. Which of the following refers to the study of questions concerning right and wrong
asked by Any 
Physical Science
An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?
asked by dark1 
Science 8th Grade
What was the hiker's average velocity? Distance = 6km West Starting Time = 9:45 Ending Time = 10:45 A. 4.0 km/h south B. 0.10 km/h north C. 10 km/h south west D. 6 km/h west
asked by dark1 
Chemistry
Chester makes 1L of a 0.01M HCl solution and measure the pH. Burt then adds 5.80 g of sodium chloride to Chester’s solution and measures the pH. Calculate the difference between the two pH values obtained.
asked by Anonymous 
Math
For each pair of functions give a characteristic that the two functions have in common and a characteristic that distinguishes them. a) f(x)=1/x and g(x)=sinx b) f(x)=x and g(x)=[x] c) f(x)=2^x and g(x)=sinx
asked by Jennifer 
chemistry
2Hg+O2=2HgO if 50.0 grams of mercury reacts with 50.0 grams of oxygen gas, how many grams of mercury(ii)oxide are produced?
asked by mom 
Math
Rectangle ABCD is similar to Rectangle EFGH. If AB = 5 feet, BC = 12 feet, and FG = 25 feet, what is the length of EF
asked by MiraJane 
physics
A boat crosses a river of width 98.4 m in which the current has a uniform speed of 1.84 m/s. The pilot maintains a bearing (i.e.,the direction in which the boat points) perpendicular to the river and a throttle settingto give a constant speed of 2.11 m/s
asked by Treal 
Anne Frank (another question :/)
How is Edith Frank different from her husband in Anne's eyes? A. Edith is more caring and generous than her husband. B. Edith is not as religious as her husband. C. Edith is more cold and crude than her husband. D. Edith is lazier and less helpful than her
asked by dark1 
Geometric Constructions HELP!
Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent? Can you give me ideas or examples about: the with wings of an airplane and tires of a car.
asked by Amy 
algebra
2. The sum of both digits, of either of two twodigit numbers, in whatever order the digits are written, is 9. The square of either of the digits of either number, minus the product of both digits, plus the square of the other digit is the number 21. The
asked by Anonymous 
Science
in a cathode ray tube, the number of electrons that reach the florescent screen is controlled by the A. anode b. cathode. c. deflecting plate d. grid
asked by Anonymous 
chemistry
Breaking the hydrogen bond between two water molecules is called dissociation
asked by Anonymous 
physics
A golf ball with a mass of 48.0 g can be blasted from rest to a speed of 69.4 m/s during impact with a club head. Assume that the impact lasts only about 1.010 ms. Calculate the change in momentum of the ball. Calculate the average force applied.
asked by Brandi 
Chemistry
If the surface area of a human body is 17,500 square centimeters, what is the total weight of the atmosphere on a human body expressed in pounds?
asked by Jack 
maths
A car travelled 300km at 60km/h. How long did the journey take?
asked by matches box 
geography
120 can you please check my answers marked with *** which of the following were the main proponents of NAFTA? a. labor unions b. human rights groups c. environmentalists ***d. large corporations in the 1950s 40 percent of the u.s workforce was engaged in
asked by cali 
Simplify
Simplify the following number. ∛729 I think it is ∛9, but I do not know. Please help, and check my answer. I will appreciate it if you guys can answer this as soon as possible. It is part of a RATIONAL EXPONENTS question. The original equation was
asked by Brady 
Maths
Firm has a $500,000 loan with 9% APR (compounded monthly) Loan is 5yr based on a 15yr amortization, meaning loan payments will be calculated as if you take 15 years to pay off the loan, but actually must do so in 5 yr. To do this, you make 59 equal
asked by Sushmitha  please help 
Math
A bicyclist is competing in a tournament. He is currently in a very hilly part of the tournament's course. For his current hill, his height in metres over time in minutes is modelled by the function; f(x)=0.00075x^20.5825x+17.269 a) Estimate the
asked by Jennifer 
Math.G.P
The 1st term of a G.P is equal to x2,the 3rd term is x+6 and the arithmetic mean of the 1st and 3rd terms stands in the ratio to the 2nd 5:3.find the value of x.
asked by Miracle 
ijhs
The difference between a twodigit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the largest and the smallest of these two digits?
asked by div 
physics
A 5.2 kg projectile is launched from a launching device. It leaves the launcher traveling at 4000 m/s. The net force during the launch was equal to 4.3×105 Newtons. How much time did the project spend in the launcher?
asked by Anonymous 
Chemistry
The free energy profile as the reaction goes from reactants to products is a straight diagonal line from 50 kj/mol to 80 kj/mol. Is the reaction exothermic or endothermic? Does the reaction involve only pure solids and liquids? Is the equilibrium constant
asked by Anonymous 
math
9. On a spelling test Carlos had to spell 25 words. He earned 4 points for every word he spelled correctly. Which equation can be used to find p, the total number of points Carlos earnedfor spelling w words correctly? A p w −. B p = 4. ) C p w. = 4. D p
asked by anne 
Goals
What are some examples of longterm goals regarding career and education?
asked by Anonymous 
Physics
A rower whose speed of rowing is u crosses a river of width s to a point exactly opposite. Find the time of the journey if the speed of the stream is V( less than u)
asked by Glory 
Ethics
1. Which of the following would be of greatest concern from an ethical standpoint? A. The number of homicide victims in a given place during a given time period B. The legal elements of the crime of homicide C. Whether capital punishment is a justifiable
asked by Any 
Chemistry
If the equilibrium constant K equals .05, and the reaction C3H8=C3H6 + H2 (all gases), starts with pure C3H8 and is allowed to reach equilibrium at 200 K at a total pressure of 2 bar. Calculate the partial pressure of H2 at equilbirum.
asked by Anonymous 
Chemistry
Assume that some of the magnesium nitride is not completely converted to magnesium hydroxide and subsequently to magnesium oxide. Will your empirical formula be too high in magnesium or too high in oxygen? Please show any calculations you used to determine
asked by GC 
Simplify (Another Question/problem) 3
Simplify. (27a^(6) )^(2/3) I got 1/(9a^4 )as my answer, but can someone again please check this. I will appreciate it. I am just unsure if it is correct or not.
asked by Brady 
Math 2
Olivia ties 2.5 feet of ribbon onto one balloon how many yards of ribbon does Olivia need for 18 balloons?
asked by Mia2 
chemistry
A solution is made by dissolving 7.084 g of aluminum nitrate, Al(NO3)3, in 123.0 g of water. What is the mass percentage of solute in this solution? this feels like a simple problem but i just don't know. divide the two?
asked by hershi 
BTech mechanical
At a point in a strained material the principal stresses are 60MPa and 40MPa. Find the position of the plane across which the resultant stress is most inclined to the normal and determine the value of this stress.
asked by Ravi 
Chem
How many moles of oxygen are in Na2Cr2O7
asked by Deb 
Simplify 2
Simplify the equation. 〖19〗^(1/2)∙〖19〗^(1/2) I simplified it and I got 19. I used the equation that Steve did to solve the other one in Simplify. Please check, and see if I am correct. I will appreciate it.
asked by Brady 
physics
A 1200kg car travels at a constant speed of 12 m/s around a horizontal, circular track with a radius of 45m. What is the magnitude of the centripetal for
asked by taylor 
English Speech Paper (can some1 revise it)PLZ&TY
Gun Control I do not understand why people believe gun control actually works or why we need it. Guns, like other weapons, though more deadly and possibly more convenient to use, are still inanimate objects and are not the cause of violence or killings.
asked by dark1 
Statistics
In the population of typical college students, _ 5 75 on a statistics final exam _X 5 6.42 . For 25 students who studied statistics using a new technique, X 5 72.1. Using two tails of the sampling distribution and the .05 criterion: (a) What is the
asked by Anonymous 
Physical Science Need Help Quick PLEASE:)
A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A. The force of the mallet on the ball is equal in magnitude
asked by dark1 
Algebra
you can represent the width of a certain rectangle with the expression x + 2. the length of the rectangle is twice the width. what is the area of the rectangle? A.) 2x+4 B.) 2x^2+8 C.) 2x^2+8x+8 D.) 4x^2+16x+16 I'm not sure on the answer..... Please help
asked by Cassie 
Math PLZ help
A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?
asked by dark1 
Physics
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the green.
asked by Lauren 
Intermediate Algebra
In 1992, the life expectancy of males in a certain country was 71.1 years. In 1997, it was 73.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1992. The linear function E(t) that fits the data is
asked by Student5 
Math
Why is raising a number to the power of 1/2 the same as finding the square root of the number? Can someone please help. Please provide examples. I would appreciate it if you guys can help as soon as possible.
asked by Brady 
Physics
The rectangular and polar coordinates of a point are (x, y) and (r, θ), where x= 4 and θ= 46◦. a. Determine the value of r. b. Determine the value of y.
asked by Fabricus 
Chemistry
A sample of oxygen gas occupies 500.0 mL at 185°C and 75.0 cmHg. Calculate the temperature in °C if the gas has a volume of 221.0 mL at a 55.0 cmHg.
asked by Harry 
Math
Determine the value of 'a' so that the average rate of change of the function h(x)=x^2+3x+2 on the interval 3
asked by Jennifer 
Math
State two types of functions that you know that do not have a maximum or a minimum when the domain is the set of all real numbers.
asked by Jennifer 
Physics
Consider four vectors ~F1, ~F2, ~F3, and ~F4, where their magnitudes are F1= 57 N, F2= 38 N, F3= 25 N, and F4= 67 N. Let θ1= 130◦, θ2=−130◦, θ3= 29◦, and θ4=−64◦, measured from the positive x axis with the counterclockwise angular
asked by Fabricus 
Algebra
find the number of decibels for for the power of the sound given. Round to the nearest decibel. a rocket engine, 2.4 X 10 5 watts/cm2
asked by Adrienne 
Testing
What are two strategies to follow when critically evaluating a study?
asked by Lyndyc 
PLEASE HELP
For what values of a and b is the line –2x+y=b tangent to the curve y=ax^3 when x=–2? a= ? b= ?
asked by ALI 
chemistry
what the balance equation for solid carbon
asked by dora 
English
Can someone check if the following prepositions/verbs are correct? Thanks 1) I couldn’t help CRYING 2) It’s no use EXPLAINING it to him; he won’t understand. 3) He was seen TO the watch. 4) I can’t afford TO BUY it. 5) Norma is anxious ABOUT making
asked by Frank 
economics
What does Wheelan think about protectionism? what policies does he believe are better at assisting workers who have been displaced by trade?
asked by Allsaints Macauley 
Math (I'm really confused). Please help.
What is the length of approximated to the nearest tenth? A. 49 B. 32 C. 23 D. 7 Side AB has a length of 7x and Side CB has a length of 9x  14. It is an equilateral triangle.
asked by dark1 
Science
How do you figure the average speed of something? What is the formula is what I really need. :)
asked by dark1 
Chemistry
There are two open beakers placed in a sealed box at constant temperature. Beaker 1 has 25 ml of .1 M NaCl in water. Beaker 2 has 45 ml of .05 M NaCl in water. What happens as the system goes towards equilibrium and what is the final contents in each
asked by Anonymous 
Math
If f(x)=x+4 and g(x)=x4 a)Find an expression for (f*g)(x)? b)what is the minimum value of the function (f*g)(x) I used the * sign for a times symbol.
asked by Jennifer 
Math
Which equation is true? square root 8^2 = 4 square root 6^2 = 24 square root 5^2 = 5 ****** square root 3^2 = 81
asked by Amy 
Math
Assume an annual 6% return and annual compounding if Tara saves $2000 a year for 40 years how much money would she have at the end?
asked by Lee 
Economics
Why does Wheelan argue that international trade is beneficial?
asked by Allsaints Macauley 
Caculus f'(x)
For what values of a and b is the line –2x+y=b tangent to the curve y=ax^3 when x=–2? a= ? b= ? Thanks guys!
asked by Ryan B. 
English
Can someone check these sentences, please? I thank you in advance. 1) Lady Macbeth "becomes sleepwalking" 2) Cowardice is the ability to bear the sorrows of our life and to stay alive, while courage is facing death by committing suicide 3) We can't be sure
asked by Frank 
Math
State two points on the graph of y=sinx that will give an average rate of change of 0?
asked by Jennifer 
Calculus
How to find xintercepts from x(x2)(x+2)?
asked by Anonymous 
Math
If f(x)=3x+5 and g(x)=9x2, what is the slope of the graph of the function (fg)(x)?
asked by Jennifer 
English (The Diary of Anne Frank)
I loved this book but my homework askes me a question that Im not quite sure on  Otto Frank is best described as: A. friendly, generous, and agreeable. B. detached, reserved, and emotionless. C. quiet, naïve, and passive. D. loud, brash, and
asked by dark1 
Chemistry
A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?
asked by Harry 
MATH
HOW DO YOU SIMPLIFY SURDS WITH CUBED 98 ROOT?
asked by Emmanuel 
math
What is;the average speed in miles per hour for a plane that was :filled with 13 quarts of oil that flies a distance of 3,300 miles
asked by Anonymous 
Math HELP
A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle? A.5 B.5 sqrt 3 C.5 sqrt 2 D.20 Don't understand.
asked by dark1 
chemistry
A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?
asked by judy 
Math
Please Help!!!! I don't understand this at all. (5f/6)2/3>4/3 The neg sign is beside 5f/6
asked by Cherie 
eNGLISH
Can you please tell me if the sentences are grammatically correct? e.g. "facing death" or the ability to face death Hamlet doubtful about the existence of an afterlife.
asked by Frank 
Math
Please help! 1.32.5xor equal to 1.3 I have been on this for hours and can't figure it out Thank you
asked by Cherie 
Chem
How many moles of copper are in21,000g
asked by Deb 
Chemistry
What is the final Celsius temperature if 4.42 L of nitric oxide gas at 35°C is cooled until the volume reaches 1.00 L? Assume the pressure remains constant.
asked by joshua 
math
Tyson handled 150 service calls on his shift yesterday. Of those, 20% resulted in a successful upsell of additional services. If Tyson makes a $6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he
asked by Anonymous 
Urban Developement
why are interfaith and long island hospital closing?
asked by fredy 
Math
The instantaneous rate of change of g(x) is the same for every real value of x. What type of function is g(x)?
asked by Jennifer 
math
On each flight an airplane is filled with 10 quart of oil for each planned hour of flying write an equation that can be used to determine the planned flying time, h, in hours, for an airplane filled with 13 quarts of oil
asked by Anonymous 
people
give 4 reasons way people take vacations.
asked by Anonymous 
tourism
write 4 ways that this decline in the tourist industry could affect the country.
asked by lissa