# 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 175
1. ## CJS/230

Will someone please help me find a webite to answer the following questions? What are community corrections? How do community corrections affect the society in which they are practiced? What hypothesis can you make about community corrections and their

2. ## CJS/230

Will someone please help me find a webite to answer the following questions? What are community corrections? How do community corrections affect the society in which they are practiced? What hypothesis can you make about community corrections and their

3. ## statistics

Question 1 Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different instructorâ€™s to see if they differ. A sample of 15 students in Instructor Aâ€™s class has average of 74 with a standard

asked by jeff on January 9, 2010
4. ## history

The following links provided weren't helpful.. I used them to discover parts of my answer though. Can someone check my answer and help me with questions 2? How does the Euthyphro Problem attack modern cognitive religion? Is there a response that would

asked by Blar on June 12, 2011
5. ## helping abused children

Im still stuck on number 11 and 17 will you please help 11. As a teacher aide, if a child wishes to speak to you about an incident of abuse, what should you do first? A. Assure the child that you can help B. Find a quiet place were you can talk

asked by beth on August 8, 2011
6. ## Math help??

Find the missing length of the right triangle if a = 7 and b = 24. Read the followng and see if it hepls to solve this. If you still don't get it repost your answer. http://en.wikipedia.org/wiki/Pythagorean_theorem a sqaured+b squared=c squared 7

asked by carol on March 9, 2007
7. ## Psych-Hypnosis

What effect does hypnosis have on memory, according to research? a. Hypnosis enables people to recall unpleasant memories they had forgotten. b. Hypnosis improves memories going back to about age 4, but not earlier. c. Hypnosis improves memories going back

asked by Blaine on October 17, 2007
8. ## math

i need help with geometry semester b unit 7 lesson 10 surface area and volume unit test i need someone to check my anwsers and to tell what i did wrong 1) use euler's formula to find the missing number vertices 15 edges 24 faces? 9,10,11,12 My answer was

asked by roseberlynn on May 23, 2018
9. ## Physics

A camel sets out to cross the desert, which is 42.7 km wide in the north-south direction. The camel walks at the uniform speed 3.81 km/hr along a straight line in the direction 51.9◦ north of East (only the camel knows why he chose that particular

asked by Jake Penn on November 10, 2012
10. ## NATIONAL Goverment

asked by karen on January 27, 2013
11. ## Math 11

I am really stuck at these 4 questions. Pls help: a) Two spheres of the same density have a ratio of 9 to 16 inches in surface area, If the small sphere weighs 15 kg what does the sphere weighs. Answer to the nearest 10th of KG. b) The ratio of the volume

asked by MK on April 7, 2014
12. ## Global science

Exponential growth is stopped when______equals. there are no choices and I don't hve an answer. I am learning about Growth and population.My science book is called Global science Earth/ environmental systems science by Kendall Hunt publishing company. It

asked by Anonymous on November 1, 2010
13. ## Statistics

In an Intro Stats class, 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent of students eat breakfast and also floss their teeth. What is the probability that a student from this class eats breakfast given

asked by Larry on October 4, 2013
14. ## Chemistry

(a) A 102-g sample of water is placed in an insulated container and allowed to come to room temperature at 21°C. To heat the water sample to 41°C, how much heat must you add to it? kJ (b) Consider the hypothetical reaction, being run in an insulated

asked by Lance on June 7, 2011
15. ## Math

In a parking lot 16% of the cars are blue. There are 4 blue cars in the lot. How many cars are not blue? 4x100=400\16= 25 then minus 4 blue cars to get the answer that 21 of the cars are not blue. I know the answer is 21 I'm just not sure if the work is

asked by Megan on October 5, 2014
16. ## College Algebra

These are the points on the graph! O year = \$41000 1 year = \$43000 2 year = \$46000 3 year = \$48500 The following graph shows Bob’s salary from the year 2002 to the year 2005. He was hired in the year 2002; therefore t = 0 represents the year 2002. List

asked by Cupcake on November 17, 2007
17. ## physics (electricity)

note: E is for exponetial two large horizontal, parallel metal plates are 2.5cm apart in air and the upper is maintained at a positive potential relative to the lower so that the field strenght between them is 2.1x10E3vmE-1 the potential difference between

asked by matrix school 2 on August 8, 2009
18. ## chemistry

The rate law of the overall reaction. A + B -> C is rate = k[ A ]^2 Which of the following not increase the rate of a chemical reaction? a) increasing the temperature of the reaction b)increasing the concentration of reaction A c)adding a catalyst for the

asked by ben on November 18, 2010
19. ## Physics

I am really struggling with these 2 questions. Please help! 1)Mars has a mass of about 6.91 × 1023 kg, and its moon Phobos has a mass of about 9.8 × 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.87 × 1015 N, how far

asked by Mikayla on January 22, 2017
20. ## Grammar-agreement errors

Match the correct type of agreement error to the sentence. a. Verb tense agreement error b. Subject/verb agreement error c. Pronoun agreement error d. Modifier placement error e. Parallel structure error 1. He complains of abdominal, neck, and chest pain

asked by Leslie on May 13, 2011
21. ## Physics

A scuba diver must decompress after a deep dive to allow excess nitrogen to exit safely from his bloodstream. The length of time required for decompression depends on the total change in pressure that the diver experienced. Find this total change in

asked by Marie on July 2, 2012
22. ## CHEM URGENT PLZ

1.Which of these substances has bent molecular geometry around the oxygen atom? Multiple correct answer may apply. a.water b.isopropyl alcohol (rubbing alcohol)** c.acetone** d.diethyl ether. 2.Which of these species are polar? Ignore slightly polar C-H

asked by Anita on May 9, 2008
23. ## science

Given the list of pKa values, which acid will have the largest amount of conjugate base present in the solution at equilibrium? Acid: Pka: H20 15.7 NH3 38 HCL -8 NH4+ 9.2 H2O NH3 NH4+ HCl

asked by jennifer on May 8, 2018
24. ## statistics

If Z is a standard deviation, find the probability that Z lies between -1.10 and -0.36 You have not provided enough information to answer that question. Besides, a different symbol should be used for the standard deviation and the variable (Z) itself. Are

asked by Artie on August 4, 2007
25. ## maths

An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common difference. pl give me the answer. maths - Steve Monday, July 17, 2017 at 12:11pm 10/2 (2a+9d) = 220 5/2 (2a+4*2d) = 100 maths -

asked by kumar on July 19, 2017
26. ## Math

1. What is the sale price of a music CD that is sold in a retail store for 25% off of the original price of \$16? A. \$4 B. \$12 C. \$16 D. \$13 My answer is A. 2. What is the percentage markup on the cost of a drill bit set if the cost is \$75 and the set is

asked by Meghan on September 8, 2014
27. ## math

This question has a few parts to it. I tried but not sure if they are correct. A boy standing on top of a building in Albany throws a water balloon up vertically. The height (h) in feet, of the water is given by the equation h(t)=-16t^2+64t +192. where the

asked by sara on October 21, 2018
28. ## ALGEBRA 1

change 50 to 25*2 sqrt 50 = 5 sqrt2 change 8 to 4*2 Nope: (sqrt3-sqrt5)(sqrt3-sqrt5). remember (a-b)(a-b)= a^2-2ab + b^2 Simplify.Express in simpliest radical form. 1.3sqrt2 +sqrt50 Cannot be solve. Terms have unlike radicals 2.3sqrt8+2 sqrt16 Terms have

asked by bobpursley on April 11, 2007
29. ## Math

A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

asked by Tom 6 on June 14, 2013
30. ## Math Help

A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

asked by Tom614 on June 11, 2013
31. ## Statistics

According to Pew Research, the contact rate (probability of contacting a selected household) in 1997 was 69% and in 2003 was 76%. However, the cooperation rate (proability of someone at the contacted household agreeing to be interviewed) was 58% in 1997

asked by Danielle on February 25, 2008
32. ## Calculus

I really need help with this problem an automobile accelerates from rest at 1 + 3(square root)t mph/sec for 9 seconds. How far does it travel in those nine seconds? I have found that the velocity, after nine seconds, is 63 I have figuredout the answer but

asked by James on April 1, 2007
33. ## chem

a considerable amount of heat is required for the decomposition of aluminum oxide. 2Al2O3-> 4Al(s)+ 3O2(g) change in heat= 3352KJ a. what is the heat change for the formation of 1 mol of aluminum oxide from its elements? i got this one. my answer is

asked by Skye on January 25, 2012
34. ## physics

A 67.3 kg ice skater moving to the right with a velocity of 2.52 m/s throws a 0.151 kg snowball to the right with a velocity of 33.7 m/s relative to the ground. What is the velocity of the ice skater after throwing the snowball? Disregard the friction

asked by Emily on December 2, 2012
35. ## chemistry- transferring energy

For the following questions, use the reaction SO3(g) SO2(g) + O2(g), with ÄH = 98.4 kJ/mol and ÄS = 0.09564 kJ/(mol·K). (8 points) i. Draw a possible potential energy diagram of the reaction. Label the enthalpy of the reaction. (2 points) ii. Is the

asked by princess on May 8, 2012
36. ## physics

(a) Calculate the mass flow rate (in grams per second) of blood (ρ = 1.0 g/cm3) in an aorta with a cross-sectional area of 2.0 cm2 if the flow speed is 33 cm/s. Answer is in g/s (b) Assume that the aorta branches to form a large number of capillaries with

asked by caitlin on October 27, 2011

5: You are attending a professional conference and are privileged to be introduced to Caroline Peters. You know nothing about her except that she is an executive at a very successful company. You have and idea that you would like to talk over with her. How

asked by Jay on March 5, 2011
38. ## algebra

How do you simplify (4x^3y^5)^2? are you using the carrots for symbolising "the power of..." or fractions? if i know what your using them for then i can help you. yes. 3^2=9 okay. then it would help to put the exponents out of the parenthesis:

asked by Jack on February 25, 2007
39. ## English

Can you please answer my question? I posted the question before.But nobody gave an answer. It is middle of the Jiskha Homework Help Forum page. Where it says: NAME:KHUSHI SUBJECT:INTERESTING FACT AND CHRISTMAS JUST CLICK ON IT, THEN YOU WILL SEE MY

asked by Khushi on December 24, 2006
40. ## Physics

7. Which of the following object(s) would be suitable for building a functional clock? Note: you must clearly mark your answer (for example, highlight it in red) from the multiple-choice list below and you must provide an explanation of your answer(s) to

asked by Anonymous on July 9, 2013
41. ## Physics

Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 365 N to the right. If they pull in opposite directions, the raft experiences a net external force of 132 N to the left. Draw

asked by Eren on November 3, 2013
42. ## math

help with solving a magic square http://www.jiskha.com/display.cgi?id=1125461237.1125498843 MAGIC SQUARES Magic squares, those seemingly innocent looking collections of numbers that have fascinated so many for centuries, were known to the ancients, and

asked by nicholas on June 5, 2007
43. ## math

Michael invested \$1600 per half-year in an IRA each half-year for 9 years earning 9% compounded semi-annually. At the end of 9 years he ceased the IRA payments, but continued to invest his accumulated amount at 10% compounded yearly for the next 8 years.

asked by melodi on April 6, 2013
44. ## solutions

How many molecules of glycerol (C3, H8, O3) would be present in 1 L of M glycerol solution? I am thinking it is 6.02 x 10^23 but have also heard conflicting opinions. You don't give the molarity of the C3H8O3. 1 mole of anything contains 6.02 x 10^23

asked by sarah on September 17, 2006
45. ## us history

Which of the following best describes the contributions of Dorothea Dix?   Dorothea Dix helped found the first homeless shelter for poverty stricken families in the late 1800s. Dorothea Dix educated people about mental illness and the possibility of

asked by anon on March 29, 2016
46. ## PHISIC

A bouncy rubber ball is dropped from a height of about a metre above the ground .it falls to the ground, bounces and then rises back to almost the height from which it was dropped. Describe the main energy transformations that take place from the point at

asked by sam on December 19, 2012

Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created by living

asked by Alicia on September 16, 2009
48. ## Physics

A truck on a straight road starts from rest and accelerates at 2.8 m/s^2 until it reaches a speed of 16 m/s. Then the truck travels for 16s at constant speed until the brakes are applied,stopping the truck in a uniform manner in an additional 3.6 s. How

asked by Isaac on September 9, 2014

Can someone please tell me how to do these? Suppose that f is given for x in the interval [0,12] by x= 0 2 4 6 8 10 12 f(x)= -14 -10 -6 -5 -6 -9 -11 A. Estimate f(2) using the values of f in the table. f'(2)=_______ B. For what values of x does f'(x)

asked by Diane on February 19, 2011
50. ## Human Resources Management

Answer the following questions about a new employee training program for the position you selected for your final project: o Needs assessment: What types of issues might indicate a need for training? From what sources would these issues be identified? If

asked by Stephanie on October 26, 2009
51. ## Physics

A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to another block of mass 2.25 kg which hangs in the air. Assume the cord to be light (massless and weightless) and unstretchable

asked by Emeera on February 21, 2014
52. ## Biology (Science)

Which of the following is not true about a hypothesis? 1) Previous knowledge can help support it. 2) It is a tentative explanation. 3) It can be proven to be false. 4) It must be testable to be useful. 5) It can be proven to be true. I know for sure that 2

asked by Sarah on August 21, 2013
53. ## Algebra

I having a hard time with this word problem: A backyard has dimensions 4 and 2/5 yards by 2 and 4/5 yards. What is the area of the backyard in square yards (yd^2)? Do I mulitiply and then simplify? Yes, you do multiply and then simplify. To make it easier

asked by jay's gyrl on August 5, 2007
54. ## Algebra

Ok a few questions I want to check answers on - -x+4-9x+3¡Ý 7(x-2) -10x+7¡Ý7x-14 -10x-7x¡Ý7x-7x-14 -17x¡Ý-21 -17x/-17¡Ý-21/-17 x¡Ý21/17 or x¡Ü21/17 ?? One I do not understand at all - The linear equation y=3x-5 graphs as a

asked by John on October 8, 2007

1. Resolve an acceleration vector of 40m/s^2 [25 degrees E of S] into its components For this I got 17 as my x component and 36 as my y component 2. A player is positioned 35m [40 degrees W of S] of the net. He shoots a puoock 25m [E] to a teammate. What

asked by sandy on June 23, 2014
56. ## Temperature

Q: A reaction rate has a constant of 1.23 x 10-4/s at 28 degrees C and 0.235 at 79 degrees C. Determine the activation barrier for the reaction. A: My work thus far: ln(1.23 x 10-4/0.235)=(Ea/8.314)(1/79-1/28) -7.551=(Ea/8.314)(0.01265-0.03571)

asked by Amy on February 1, 2013
57. ## Algebra problems

I have some problems that I would like checked please. Find and simplify the difference quotient f(x+h)-f(x)/h, h can not equal 0 for the given functions. 1. f(x)=x^2+3x+9- I got 2x+h+3 Evaluate the piecewise function at the given value of the independent

asked by Soly on September 5, 2007
58. ## chemistry

In part B of my question, I was asked calculate the number of atoms in 0.615 mol of 13C (mass number of this Carbon is 13). I received the correct answer of 3.70E23 atoms. However, I do not know how to do Part C of my question, which asks "Based on your

asked by Kevin on September 16, 2012
59. ## Finding the Activation Barrier

Q: A reaction rate has a constant of 1.23 x 10-4/s at 28 degrees C and 0.235 at 79 degrees C. Determine the activation barrier for the reaction. A: My work thus far: ln(1.23 x 10-4/0.235)=(Ea/8.314)(1/79-1/28) -7.551=(Ea/8.314)(0.01265-0.03571)

asked by Amy on January 31, 2013
60. ## Chemistry

How many moles of sodium chloride must be added to an aqueous solution that contains 2.0 moles of silver nitrate in order to precipitate 0.50 moles of silver chloride? A) 0.25 mol B) 0.50 mol C) 1.0 mol D) 2.0 mol E) 1.5 mol The answer is B. I have no idea

asked by Jill on March 22, 2009

The force F required to stretch a string varies directly with the amount the string is stretched, S. 32 pounds is needed to stretch a string 4 inches.. A) Write a direct variation equation that relates F and S. Answer: 32=F*S+4 is what I think.. Most

asked by Allyson on November 15, 2010
62. ## engineering physics 2

A 19 m long piece of wire of density 8.34 g/m3 has a diameter of 12.593 mm. The resistiv- ity of the wire is 1.7e-8(ohm)(m) at 20 degrees celsius. The temperature coefficient for the wire is 0.0038(degrees celsius)^-1. Calculate the resistance of the wire

asked by David on February 28, 2008

Informative and positive messages are not necessarily short. Instead, the length of a message depends on all of the following EXCEPT: A. your purposes. B. the audience's needs. C. the complexity of the situation. D: whether a letter or memo is chosen to

asked by Rain Misoa on August 13, 2010
64. ## English

(1) Brenda would have liked to have taken her vacation at the beach. (2) However, the weather forecast on the television called for rain. (3) Also, her fiancé, Max, wanted to vacation in the mountains. (4) After a heated discussion, Brenda and Max decided

asked by Shayna on July 28, 2014

1) As bound ligands, which of the following causes the largest splitting of d-orbitals? a. phen b. H2O c. I– d. CN– e. C2O4^2– Answer D 2) The spectrochemical series a. lists ligands in order from monodentate to hexadentate. b. lists ligands in the

asked by Anonymous on May 6, 2014
66. ## English

Did I do this correctly?? Select the correctly written sentence in this group. A. Spending way too much money on his old car, Fred's salary just wasn't enough. B. Spending way too much money on his old car, Fred soon found he'd used up his salary. (my

asked by Ayesha on April 2, 2014
67. ## History

Read the quote about Charlemagne. “The man who led the Franks to victory and so created modern Europe was Charles the Great. . . . [W]ithout Charles and the legend of Charles Europe would have had a different history and a different character.” Which

asked by Jacky beans on May 7, 2019
68. ## Childhood Education Question

1.Developing problem solving skills is a product of which approach? conventional,learning,information, or emergent creative 2.A teacher who gives lots of information to her students and asks close-ended questions uses which approach?

asked by Roberta on January 3, 2007
69. ## physics

A block of mass 3.62 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 7.8 kg which hangs in the air, as shown. Assume the cord to be light (massless and weightless) and

asked by alice on November 15, 2012
70. ## Physics

You stand on a frictionless platform that is rotating with an angular speed of 3.9 rev/s.Your arms are outstretched, and you hold a heavy weight in each hand. The moment of inertia of you, the extended weights, and the platform is 7 kg · m2. When you pull

asked by Luhan on March 13, 2016

When the LCM of two numbers the same as one of the numbers?Use an example to explain. What is the LCM of six and two? so the LCM of six and two is the answer? Of course not. It is an example of what the question seeks. 3. the answer is 3! I relly apresiat

asked by brittany on November 8, 2006
72. ## Marine Science (Check my answers?)

3. What feeding strategy and adaptation would an organism that lived in the abyssopelagic zone most likely use in order to survive, and why? A. Scavenge dead matter on the ocean floor because it is difficult to find prey in the darkness. B. Use

asked by Tyni on September 19, 2017
73. ## Math help again...

I'm trying to set up the problem to this question, but for some reason I am confuse and can't answer this question: 1) During a quality control test, Micronics found that 24 computer boards were defective. This amount was 0.8% of the computer boards

asked by Lisa on December 3, 2008
74. ## 3 grade math ms sue

when lori gave the clerk two \$1 bills to pay for items she selected from the list below,she received \$0.20 change. pencils: \$0.30 each pens: \$0.25 each markers: \$0.55 each notebook:\$1.25 each MY SON SAY WRITE THIS THEN YOU WILL NOW HOW HE HAVE TO DO(WE HAD

asked by dw on April 30, 2012
75. ## English

4) 1 The first rugs were made as a part of their need. Read the passage. Look at the underlined section marked number 1. There may be a mistake in the way the sentence is written. If you find a mistake, choose the answer that corrects the mistake. If there

asked by Maya on February 20, 2017
76. ## Math Word Problem

To make fruit punch, Edie mixes two kinds of juices in the following ratio: 1 cup of blueberry to 3 cups of red raspberry. How many cups of red raspberry will Eddie need to make 48 cups of fruit punch? How do you solve this? I was trying to divide 48 by 3

asked by Sheila on December 9, 2016
77. ## IQ Test ?

A group of people took a new IQ test twice. Nearly all of those who did well the first time they took it also did well the second time. Nearly all those who did poorly the first time did poorly again the second time. Therefore, this test has __ reliability

asked by Melissa on October 17, 2007
78. ## Math check my answer

What music plan is a better deal? site A: \$29 per month plus .80 cents per download site B: \$17 per month plus \$1.19 per download write an equation and show how many downloads make site A a better deal. My answer:: .80x + 29 > 1.19x + 17 after all my other

asked by Rihanna on June 1, 2013
79. ## Calculus

I am re-posting this question because i wrote the incorrect function last time. An oil tank is being drained for cleaning. After t minutes there are v litres of oil left in the tank, where v(t)=35(25-t)^2, 0

asked by Sarah on April 9, 2014
80. ## chemistry

In part B of my question, I was asked calculate the number of atoms in 0.462 mol of 13C (mass number of this Carbon is 13). I received the correct answer of 2.78E23 atoms. However, I do not know how to do Part C of my question, which asks "Based on your

asked by rose on February 4, 2017
81. ## Child Development--I Need Your Help!

When attempting to modify a child's behavior using negative reinforcement, the desired result is that the child will: A. Withdraw from certain social activities B. repeat behavior for which they get the desired result C. avoid behaviors that carry

asked by Merisa on November 22, 2006
82. ## physics

Physics Genius! please let me! Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 6.12 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.36 kg and r1 = 2.20

asked by Lola on July 2, 2015
83. ## statistics help

Complete the hypothesis test with alternative hypothesis ƒÊd ‚ 0 based on the paired data that follows and d = O - Y. Use ƒ¿ = 0.01. Assume normality. Oldest 188 174 192 196 65 Youngest 186 168 199 199 69 (a) Find t. (Give your answer correct to

asked by tracy on June 24, 2013
84. ## math, algebra

can someone correct this for me or help me. 6x^2y^3+ 9x^2y^3 divided by 3x^2y^2 my solving and answer is: 15 x x y y y ---------- = 5y 3 x x y y Looks good to me. I've never thought of showing x^2y^3 as xxyyy. That a neat wrinkle. We see quickly that the

asked by jasmine20 on December 12, 2006
85. ## Grammar

Select the correctly punctuated sentence. 1. A) Infection for example can be a complication of surgery B) Infection, for example, can be a complication of surgery. C) Infection, for example can be a complication of surgery. My answer is B 2. A) No, I do

asked by Cindy on October 23, 2011
86. ## Probability

Terminology: A circle of radius r is a curve that consists of all points at distance r from the center of the circle. A disk of radius r is the set of all points whose distance from its center is less than or equal to r . Thus, a circle is the boundary of

asked by No One on November 18, 2018
87. ## Math

In the month of April 9.45 inches of rain fell in Tallaassee. During the month of May, 9.6 inches of rainfall fell. Which month had the most rainfall, and what was the total for the two months? Answer: May had the most; the total was 19.05 inches Can you

asked by Patrick on March 2, 2016
88. ## Algebra

I'm not sure if anyone saw my question yesterday, but here it is again. Even if you can only answer 1 or 2 of the questions, that is fine. I am so confused with the rules of exponents. I know them, but I have a hard time applying them because of all the

asked by Alexandria on October 26, 2008
89. ## chemistry

Three part question Two students each measured the density of a quartz sample three times: Student A Student B 1. 3.20g/mL 2.82g/mL 2. 2.58g/mL 2.48g/mL 3. 2.10g/mL 2.59g/mL mean 2.63g/mL 2.63 g/mL a. which student measured density with the greatest

asked by Rachel on February 11, 2014
90. ## Math

A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

asked by Stacey on April 9, 2015
91. ## Calculus

A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

asked by Stacey on April 9, 2015
92. ## physics

A ball of circumference 74.2 cm and mass 605 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, it rises at a constant velocity. (The density of water is 103 kg/m3.) (a) Calculate the buoyant force on the

asked by HELP!!!! on April 16, 2011
93. ## Grammar-agreement errors

Match the Correct agreement error to the sentence. a. Verb tense agreement error b. Subject/verb agreement error c. Pronoun agreement error d. Modifier placement error e. Parallel structure error 1. The restoration appear to be excellent, as do the

asked by Leslie on May 13, 2011
94. ## Math

A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

asked by Stacey on April 10, 2015
95. ## Math

What is the percent increase in the population for all six inhabited continents from 1950 - 2000? 1950 2000 N.America 221,000,000 305,000,000 S.America 111,000,000 515,000,000 Europe 392,000,000 510,000,000 Africa 229,000,000 889,000,000 Oceana 12,000,000

asked by Anonymous on August 28, 2009
96. ## Biology

PLEASE CONSIDER EACH OF THE FOLLOWING CHANGES SEPARATELY. Be sure to enter the sequence using the 3-letter abbreviations (for example, Ala-Gly-Ser), where the left most amino acid of your answer represents the first amino acid of the polypeptide. Another

asked by youlifex on October 23, 2013
97. ## Math

you can draw a square inside another square by placing each vertex of the inner square on one side of the outer square. The large square in this diagram has side length 10 units a) Determine the area of the inscribed square as a function of x ( X is from

asked by Annoym on February 22, 2016
98. ## math, question

what formula did the book use and the set up for it to get this answer for this problem: Problem: Stereo shack sells a stereo system for \$600 down and monthly payments of \$30 for the next 3 yrs. In the interest rate is 1.25% per month on the unpaid

asked by student on June 22, 2007
99. ## PHYSICS (HELP)

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 21, 2013
100. ## Physics Classical Mechanics

A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

asked by Anonymous on October 21, 2013