# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 192
1. ## Algebra

asked by Cassie on August 20, 2013
2. ## math

What is the answer to this problem:5+2(6-3)

asked by sophya on August 8, 2017
3. ## Algebra

solve x+21/x+3

asked by Cynthia on April 3, 2008
4. ## Algebra

Solve 5

asked by Paula on September 21, 2014
5. ## math

m - 7 1 m < 13 m < -13 please check my answer!!!!!!

asked by lilly on January 4, 2016
6. ## math

what is the answer for 11x-21=17-8x

asked by berry on October 13, 2010
7. ## alegebra

-(y+48)= -y+48 is this problem right. 26.6/-3.8=0.7 is this answer right

asked by keaton on February 21, 2009
8. ## Math

3n exponent 2 + 8, if n=4 a 2 go over the N I got 26 for the answer is that right

asked by Ashley on March 13, 2019
9. ## Math

Which of the following is greater than 4.3*10^9 A. 2.1*10^9 B. 3.2*10^9 C. 5.3*10^9 D. 7.4*10^8 Is the answer C? Thank you

asked by Anonymous on October 9, 2014
10. ## Algebra 1 (Reiny)

asked by Anonymous on February 3, 2014
11. ## math

why is the answer to this problem? 5/3 -5/6

asked by bobby on June 10, 2015
12. ## math

what is the answer to -8+815= what

asked by thelma on February 3, 2009
13. ## Math 7

What is the answer when you have the following question: 12-(-6)?

asked by Olivia on September 14, 2011
14. ## Math

asked by Ken on January 26, 2015
15. ## math115

3y-10+y+46=8y+40-6y I thought the answer was 3 or 3.33

asked by p on November 5, 2009
16. ## maths help

asked by ann on January 3, 2018

Solve for x. 6 - x = -10 + 7 my answer: x = 9

asked by Elizabeth on November 13, 2010
18. ## algebra

solve for x -2x^2-4x+5=0 is the answer -2.22, 0.22

asked by Mary on May 1, 2011
19. ## Math

Divide 1 2/5 by 21. I got 15 as the answer.

asked by Dk on August 24, 2007
20. ## pre algebra

o.12 my answer is x=3/25 an i correct?

asked by dana on August 31, 2015
21. ## pre algebra

1/4 my answer is 0.25 am i correct?

asked by dana on August 31, 2015
22. ## MATH(ALGEBRA)

if cx-d=f , find x Is the answer x= f+d over c

23. ## math

5^5/5^2 A. 5^1 B. 5^2 C. 5^3 D. 5^4 Is the answer B? Thanks a bunch

asked by Anonymous on October 6, 2014
24. ## Math

The answer to 7 plus 4(8 minus 2)

asked by Anna on September 25, 2012
25. ## english

asked by tyler on June 11, 2013
26. ## Math

Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40

asked by Dakota on November 7, 2013
27. ## math

what is answer of 7 cubed

asked by tyler on February 19, 2013
28. ## Physics

asked by Kazekage carter kumo on September 28, 2015
29. ## Calculus

"Find f'(a) for f(x)=(1+2x)/(1+x)" I got 2, but the answer is 1/(1+a)^2. How do I get that??

asked by Stuck on February 15, 2010
30. ## math

From 77 to 13 would the final answer be 83.1 %?

asked by lilly on November 10, 2010
31. ## Math Help 911

Which of the following is greater than 4.3•10^9. A.2.1•10^9 B.3.2•10^9 C.5.3•10^9 D.7.4•10^8 Is the answer C?

asked by peach on October 9, 2014
32. ## Algebra

Solving word problem using quadratic equation. The book says the answer is 20 feet. I know how to solve the equation. I do not know where the 20 feet is coming from. Problem: Mr. Ingram wants to add a garage to his home. The dimensions of his home are 50ft

asked by G on May 26, 2008
33. ## Physics

The Circuit contains a resistor R1, Resistor with R2 and an inductance L in series with a battery of emf ε0=V0 . R2 having a switch in parallel, the switch S is initially closed. At t = 0, the switch S is opened, so that an additional very large

asked by tanvir ali on April 13, 2013
34. ## Logs.

Can you please help me with the following log. problems? thanxs! Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^x = 6^(x + 7) this is how far I got: x log 7/x log 7=

asked by Ang on October 26, 2007
35. ## physics

1. Calculate the speed in m/s at which the Earth revolves about the sun. You may assume the orbit is nearly circular. 2. A satellite is about 6.5 x 10^3 km from the (center of the) Earth. Find its average orbital speed about the Earth. 3a. A certain

asked by anonymous on July 12, 2010
36. ## Java Programming

Hi! ____ 6. Which of the following shows a valid header for a method that accepts any number of double values and returns an array of double values? (1 point) a) public static double... convert(double... d) b) public static double... convert(double[] d) c)

asked by Da Fash on November 22, 2017
37. ## Electricity

if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the

asked by angela on August 22, 2005
38. ## English

1. The mall is open longer on Saturday. 2. Julia loves to cook corn. 3. Alice writes better with a pen. 4. I can't answer your question. 5. I'll try to come to the game. Rewrite each sentence in simple past tense. 1. The mall was open longer on Saturday.

asked by Hayden on October 19, 2015

solve the following inequality 70x-51

asked by Heather on November 20, 2012
40. ## Health

1. Identify a common defense mechanism that protects you from an uncomfortable feeling. A. reaction formation *** My Answer B. abstinence C. mature behaviors D. acceptance 2. Anger is a normal emotion that all humans feel at some time. It is important to

asked by Angel on February 9, 2018
41. ## biology

1.1 The gametophyte generation in a fern plant changes to the sporophyte generation by A.fertilisation B.melosis C.asexual reproduction D.fusion of spores the answer is A.fertilisation right? 1.2 the male cone differs from the female cone in the pine in

asked by john on April 19, 2015

Could someone answer this question so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $100 per unit [p(0)=100], and there is a weekly demand of 8 units asked by Anonymous on April 28, 2011 43. ## Intro. to Comp. I have 2 questions on an assignment that I need help with. 1.Two ingredients are required to send and receive e-mail. An e-mail client and which? 1. FTP server 2. SMTP server 3. IRC server 4. NNTP server Would the correct answer be NNTP server? 2. You want asked by Shannon on June 11, 2007 44. ## Math Jerry earned$18,500 one year and then received a 10.5% raise. What is his new yearly salary? would this be the correct way to set this up and the correct answer? $18500*10.5=$20442.50 You got the correct answer, but didn't type the correct equation. Which

asked by Stephanie on May 27, 2007
45. ## Algebra

graph the equation x-3=y (where do I plot the points?) find the intercepts and then graph: 5x+4y=20 find the intercepts and then graph: 1.4x-1.3y=3.64 graph the equation using slope and y-intercept: y=10/7x +4 graph using slope and y-intercept: x+2y=8

asked by Jacquie on July 18, 2010
46. ## Chemistry

Calculate the mass of Fe(OH)3 s) produced by mixing 50.0 mL of 0.153 M KOH (aq) and 25.0 mL of 0.255 M Fe(NO3)3 (aq), and the number of moles of the excess reactant remaining in solution. I got 0.00383 mol Fe(NO3)3 remaining. I don't know how to obtain the

asked by Tiffany on October 29, 2015
47. ## Please Check My Math Work

Hi. - I solved this problem,but I am not sure if it is correct.If you can please tell me if it is right or if it is wrong what is wrong with it.: 6y^2-54= (3y-6)(2y+9) *Many of you may be are wondering why my title is,"[C]razy Baby. - [Iloveyou]"it is

asked by [C]razy Baby.-[iloveyou] (Margie) on February 9, 2007
48. ## math

Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is$84, what is the maximum number of trees you can buy with

asked by heather on July 30, 2007
49. ## Physics

An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley, Chris pulls on the loose end of the rope with such a force that the spring scale

asked by Courtney on October 22, 2012
50. ## Physics

An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley, Chris pulls on the loose end of the rope with such a force that the spring scale

asked by Amelia on October 22, 2012
51. ## 9th grade algebra (sequences)

Can you check my homework please? Given the following representations, tell whether it's arithmetic/geometric, find the difference/ratio, find the explicit formula, find the recursive formula, and the given term. (This whole question was in the form of a

asked by Alexis on January 16, 2017
52. ## physics

a) How much work must be done on a particle with a mass of m to accelerate it from rest to a speed of 8.4×10−2 c ? (Express the answer in terms of mc^2.) b)How much work must be done on a particle with a mass of m to accelerate it from a speed of 0.900c

asked by Nellie on October 26, 2015

Cola Company is offering its preferred customers a 25% discount on its most popular product normally listed at $40 each. a) What is the net price of each product to Cola Company's preferred customers? For full marks your answer(s) should be rounded to the asked by jena on March 21, 2010 54. ## ss How would prolonged winter monsoons influence farmers in India? Answer choices: 1. dry winds reduce the amount of rainfall causing crops not to grow. 2. dry winds allow farmers to plant seeds earlier and the growing season to extend. 3. wet winds bring too asked by Casey berier on February 2, 2015 55. ## COMBINATION!!MATH!!!hurryyy!!! Cards are drawn at random from a 52-card deck. Find the number of different 5-card poker hands possible consisting of 3 aces and 2 kings? i don't knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in a asked by Katrina on January 5, 2007 56. ## math- fast please a ladder which is 15ft leans against a wall. suppose that when the bottom of the ladder is x feet away from the wall,the bottom is being pushed towards the wall at a rate of 1/2x feet per second. how fast is the top of the ladder rising at the moment the asked by just wondering on March 13, 2012 57. ## Stastics In a statistical hypothesis test, how is the rejection region impacted when α, the level of significance, is increased? a.The answer depends on the value of β b.The size of the rejection region decreases c.The size of the rejection region increases d.The asked by Davina on April 25, 2016 58. ## Intro. to Comp. Can you help with these questions? 1.Your company has a state of the art WAN,which connects over fifty offices throughout the world. Because of the global nature of its business,long distance phone service is a huge cost for them. What might you suggest asked by Shannon on June 23, 2007 59. ## children/violence Many children grow up with a considerble amount of violence in their lives protrayed in movies,video games,television,witnesing family violence,or being victims of child abuse themselves. Research on the effects of violence on children indicates: 1.that asked by Nikki on April 11, 2007 60. ## Insurance Forms I need help with a few questions. Could you let me know if I'm going in the right direction. 1- CHAMPVA would be considered a primary payer for a patient who has ______ coverage. A- Medicaid B- fee-for-service C- Medicare D- SSI Answer: A 2- You should asked by BB on March 15, 2011 61. ## Java Programming Hey! Thanks for checking my question out! ____ 10. If x is a sorted array of int values, which of the following shows a call to a method of the Arrays class that will determine if the value 7 exists in the array? (1 point) a) int loc = asked by Da Fash on November 8, 2017 62. ## Chemistry Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium asked by Anonymous on December 3, 2013 63. ## World History 1. Which inference is best supported by pacific rim nations? A. Chinese communist policies have been accepted Across Asia. B. The tension between China and Japan has increases recent decades. C. The modernization of many East Asian economies has been asked by July on May 29, 2017 64. ## Calc/Physics Find the following questions at the depth of 25\text{m}. The gravitational acceleration is g = 9.8\text{m/s}^2 and the density of water is \rho = 1000\text{kg/m}^3. a. Find the hydrostatic force on a square steel plate with sides 2\text{m} placed asked by Paul on March 14, 2016 65. ## Math Asked to simplify the expression sin(180Ã¢Ë†â€™ÃƒÂ¨), Rory volunteered the following solution: sin(180Ã¢Ë†â€™ÃƒÂ¨) = sin 180Ã¢Ë†â€™sin ÃƒÂ¨, and, because sin 180 is zero, it follows that asked by Anonymous on January 3, 2017 66. ## Precalc 1) Janet is offered a job with a starting salary of$15,000, and a guaranteed annual increase of $600. If she takes the job, what will be her guaranteed salary for the 10th year? What would her total earnings be for the first 10 years? Answer:$21,000 ; $asked by Ron on November 12, 2015 67. ## Math "Need Help Asap"! 19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your asked by Markest Lee on December 17, 2015 68. ## Physics A string is attached to a wall and vibrates back and forth, as in Figure 17.18. The vibration frequency and length of the string are fixed. The tension in the string is changed, and it is observed that at certain values of the tension a standing wave asked by Native on May 7, 2007 69. ## math Jill has a total of 12 1/2 hours of football practice after school five days a week. a. How many hours of practice will he have for 15 school days? I think the answer is 37 1/2 hours. b. How many hours of practice will he have for 22 school days? I think asked by Anonymous on January 13, 2015 70. ## Physical Science A 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it: My answer is D (Just checking my work) A. both astronaut and anvil accelerate in opposite directions at the same rate B. neither the asked by Toni on December 31, 2010 71. ## algebra The Answer is (32/20)^2=2.56times the kinetic enrgy at 20 m/s 2.56x4500 Problem The kinetic energy (k) of moving object varies jointly with it mass (m) and the square of its velocity(v). If an object has a mass of 22.5 kilgorams and moving with a velocity asked by rosa on May 23, 2010 72. ## algebra 2 problem...still having trouble!!! someone tried to help me but i still cant get the right answer....here it goes again!! For 1980 through 1995, the number of degrees D (in thousands) earned by people in the united states and the percent of degrees P earned by women can be modeled by asked by logan on February 23, 2008 73. ## Social Studies 1. List the ships that were present at the time of the attack. Answer: West Virginia, Maryland, Tennessee, California, Pennsylvania, Arizona, Nevada, and Oklahoma 2. What is the name of the ship where sailors can place their ashes? Answer: USS Arizona 3. asked by Anonymous on May 13, 2014 74. ## Math How do I solve this question? "Rory Gilmore earns$20 per hour during the week and $30 per hour for overtime on the weekends. One week Rory earned a total of$650. She worked 5 times as many hours during the week as she did on the weekend. Write and solve

asked by Max on February 19, 2011
75. ## Early Child Ed.

I need help with this question: Children will generally select equipment based on : A) their prior success with the equipment. B) the size of the equipment. C) the brightness and boldness of the equipment's colors. D) the opportunity for challenge

asked by Anonymous on November 15, 2007
76. ## Math calculus

The altitude of a triangle is increasing at a rate of 1000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7000 centimeters

asked by Kitor on May 22, 2013
77. ## Math

At a concert, the loudness of sound, L, in decibels, is given by the equation L=10log(I/I_o), where I is the intensity, in watts per square metre, and I_o, is the minimum intensity of sound audible to the average person, or 1.0 x 10^-12 W/m^2. a) The sound

asked by Jus on May 20, 2009
78. ## Math

At a concert, the loudness of sound, L, in decibels, is given by the equation L=10log(I/I_o), where I is the intensity, in watts per square metre, and I_o, is the minimum intensity of sound audible to the average person, or 1.0 x 10^-12 W/m^2. a) The sound

asked by Jus on May 20, 2009
79. ## Chemistry

Glycine amide hydrochloride (BH+) FM 110.54, pKa 8.20 Glycine amide (B) FM 74.08 b.) How many grams of glycine amide should be added to 1g of glycine amide hydrochloride to give 100ml of solution with pH 8? I tried using the henderson-hasselbalch equation

asked by Ken on October 30, 2011
80. ## chemistry

someone can check my answer for me? and b) Shape and Bond Angle answer would be great too! :) a) NF3 Structure = 26 electrons, Shape = trigonal pyramidal, Bond Angle = 105.5. b) TeCI2 Structure = 30 electrons, Shape = ? Bond Angle = ? c) CCI4 Structure =

asked by Anonymous on April 2, 2010
81. ## english

How well do you think Native American organizations, like the Bureau of Indian Affairs (BIA), the National Congress of American Indians (NCAI), and the National Indian Gaming Association (NIGA), are helping Native Americans to advance? Explain your answer.

asked by Anoited One on July 24, 2007
82. ## Math

Open Ended Nick is starting college in the fall. She has purchased a Star Phone card for \$30.00for long didtance calls. The calls cost 10 cents per minute nation wide during the daytime, 6 a.m - 6 p.m and 5 cents per minute nationwide at night, 6 p.m-6a.m.

asked by Mack on March 3, 2008
83. ## Statistics

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR

asked by Katelyn on November 3, 2013
84. ## Physics

Car 1 has a mass of m1 = 65 multiplied by 103 kg and moves at a velocity of v01 = +0.95 m/s. Car 2, with a mass of m2 = 92 multiplied by 103 kg and a velocity of v02 = +1.1 m/s, overtakes car 1 and couples to it. Neglect the effects of friction in your

asked by Lauren on February 22, 2011
85. ## math,correction,help

please can someone tell me where i am wrong. Directions: Translate to a system of equations and solve. Problem: Colored copies cost 10cents per copy and white copies cost 5cents per copy. Sandy made 400 copies, some of which were colored and the rest

asked by jasmine20 on January 13, 2007
86. ## Science

Above is a 2nd graph Part 1 Graph Present these results by creating a line graph. Part 2 Analysis 1)What is relationship between the biotic And abiotic factors? 2) how did the construction of a parking lot, hiking trail, and playground affect the fish

asked by Jennie on November 30, 2018

1. Identify and name fallancy below and explain. This measure is of sufficient importance that our representatives should have the integrity to bring it to a vote. My answer: I believed, the fallancy was a scapegoating because the author was blaming the

asked by Kevin on April 6, 2008
88. ## CHEM

Calculate ΔSfus and ΔSvap for HF. Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I already calculated ΔSfus as 24.103 J/k*mol and ΔSvap as 86.07 J/K*mol....These are correct (I checked them already). I need help

asked by Srah on March 16, 2012
89. ## CHEMISTRY

Calculate ΔSfus and ΔSvap for HF. Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I already calculated ΔSfus as 24.103 J/k*mol and ΔSvap as 86.07 J/K*mol....These are correct (I checked them already). I need help

asked by Brian on March 14, 2012
90. ## Chem

1) Mg + F2 = MgF2 10.00 grams of magnesium reacted with fluorine to produce MgF2 Find : a) Balance the reaction b) How many grams of fluorine reacted with magnesium. Answer:____________ c) How many grams of MgF2 were formed in the reaction.

asked by Malina on December 2, 2012
91. ## english

hypothetical syllogisms can have two valid and two invalid structures. The two valid structures are affirming the antecedent or modus ponens and denying the consequent or modus tollens. The two invalid structures or fallacies are denying the antecedent and

asked by m on October 11, 2012

hypothetical syllogisms can have two valid and two invalid structures. The two valid structures are affirming the antecedent or modus ponens and denying the consequent or modus tollens. The two invalid structures or fallacies are denying the antecedent and

asked by m on October 11, 2012
93. ## Teachers Aide/Language and other Barriers

11. As a teacher aide in an ESL classroom, it’s within your responsibilities to A. meet with parents one-on-one to discuss their child’s progress. B. provide language translation for the teacher when requested. C. determine when an ESL student is ready

asked by AspiringTeacherandMotherofFour on September 25, 2010
94. ## Math

To make green paint,Jeff's art teacher instructed him to mix blue and yellow paint. To make the desired shade of green, the ratio of blue paint to yellow paint is 3:4. What does this ratio mean? My Answer: It means comparing part to part (comparing how

asked by Matt on September 14, 2016
95. ## Math

My mom and I don't agree on the answer to this problem 10x10-5x10 I say 995 Mom says 50 Please help. 10x10-5x10 100-50 50 If you show me your work I can show you your error. I am not sure if x stands for the variable or multiplication. If multiplication

asked by John on October 11, 2006
96. ## Physics

Make a graph using the measured quantities with radial distance on the x-axis and tangential velocity on the y-axis. Radial distance= 1.85, 1.40, 1.00, 0.80, 0.60, 0.40 Tangential velocity= 1.03, 1.36, 1.91, 2.38, 3.18, 4.79 1) using your knowledge of

asked by Hannah on August 24, 2009
97. ## Statistics

I don't understand this at all.. Assume that the weights of Chinook Salmon in the Columbia River are normally distributed. You randomly catch and weigh 40 such salmon. The mean weight from your sample is 24.1 pounds with a standard deviation of 3.5 pounds.

asked by Kiki on November 23, 2017

Q. A satelite is in a circular orbit around the earth with a period of 6.0 hours. A retrorocket thruster is fired which slows the satelite down to half its speed and places it in a new orbit. G = 6.67 x 10 power of -11 N.m2/kg2 mass of earth = 5.98 x10

asked by orange on October 14, 2008
99. ## Re: Physics/Math

A single force acts on a 5.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to

asked by Technoboi11 on March 2, 2007
100. ## 6th grade math-ms. sue

MS. Sue here is exactly what the paper says- think back to the experiment you just designed to test the Best Wheels Bike Shop's new super titanium wheel bearings. Can you be sure that your results are due to the new bearings and not something else? That

asked by m on January 9, 2012