# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 847
1. ## Calculus

so we are doing integrals and I have this question on my assignment and I can't seem to get it, because we have the trig substituion rules, but the number isn't even so its not a perfect square and I just cant get it, so any help would be greatly

asked by Tracy on June 10, 2007
2. ## CHEM

Can you please check my work? I got -4.3KJ/mol If this is not right can you tell me what I am doing wrong? Thank you! Questions. 1.a. Use Hess's Law and the measured mean enthalpy changes for the NaOH-HCl and NH3-HCl reactions to calculate the enthalpy

asked by Lauren on November 8, 2013
3. ## Physics (E&M)

A uniformly charged straight wire (radius a) has linear charge density lambda. The wire is coated with a dielectric material chi with external radius b. I need to find the electric field everywhere and the volume and surface bound charge distrobutions but

asked by Anonymous on December 14, 2006
4. ## science

is a news article the same as a news story is this a news article or a news story? Is Garbage The Solution To Tackling Climate Change? ScienceDaily (Oct. 3, 2009) — Converting the rubbish that fills the world’s landfills into biofuel may be the answer

asked by anonymous1 on October 10, 2009
5. ## Math 8R: Homework Check - Part 4

Part 4: Translate and solve: 25. 6 less than twice a number is ten Answer : 2n - 6 = 10 (answer: n = 8) 26. The quotient of a number and 4 plus 3 is 8 Answer: n/4 + 3 = 8 (answer: n = 29) 27. 4 less than three times a number is -28 Answer: 3n - 4 = -28

asked by Laruen on October 29, 2012
6. ## English

Whats a correct principal part of a verb , and infinitive part of a verb? Verbs have three principal parts, although some dictionaries and grammars list four. So I'll show you four in case that's what you are supposed to know. For "regular" verbs: Base

asked by Anita on September 6, 2006
7. ## Math

Directions:Write inequalities for the numbers 2 - 4 below. Do not solve them! Problems: 2.Your quiz grades are 19, 17, 20, and 15. What is the lowest grade you can receive on the next quiz and maintain at least an 18 average? 3.Stacey and Luis volunteer at

asked by Erica on June 21, 2007
8. ## science

1._ when observe the lower surface of a leaf through a magnifying we see numerous small opening.which term is given to such opening? 2. A goat eats away all the leaves of a plant.however in a few days new leaves could be seen sprouting in the plant

9. ## Social Studies

Please check my answer 1. Scholars have done the least study into the political influence of _____ on American citizens. a. churches b. families c. schools d. media e. peers 2. The process of political learning in the United States is a. normally

asked by kenji on October 7, 2010
10. ## Electronics

Hey. I have been working on some exercises. It all went well until I got to this one. img14.imageshack.us/img14/3300/thev.jpg The transistor in the picture is an NPN transistor. I know the RC value is missing. That’s probably an error, but as long as an

asked by Muuusen on March 31, 2009
11. ## math

The area of a square garden is represented by the quadratic expression 9x^2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x^2 - 12x + 4 is

asked by Jalen on November 29, 2016
12. ## Math Riddle

What day would yesterday be if Wednesday was five days before the day after tomorrow? pLEASE HELP ME WITH THE RIDDLE i POSTED!!!!!! EARLIER waht materials could upumuse Alright already! I really wondered why you just didn't pick up a calendar and work the

asked by Angel67 on August 30, 2006
13. ## math

The math team in addville travled to subtractville for a math compertition. The bus averaged 40 mph from addville to subtractville but adveraged 60 mph during the return trip. What was the adverage speed of the bus for the entire trip? Thats the story

asked by Hanna on September 28, 2008
14. ## English

Can you please check these sentences? Thank you very much in advance and Merry Christmas! 1) The Key-Note begins with an extended description of Coketown, the fictional setting for the novel, which is based on Preston, now part of greater Manchester, where

asked by Frank on December 18, 2013
15. ## Health

How is family therapy a treatment option? A. Analyzes risk behaviors and aims to improve relationship factors, and learning to solve problems that might lead to drinking. B. Offers strategies to help patients better understand the factors and situations

asked by Audra on August 27, 2014
16. ## help me rewrite this disorganised memo

from: to: date: subject: because independence eve falls on a friday the day has been designated a saturdayfor workpurposes.Factories will close all day with stores open a half day only.saturday october 9,has been designated a sundaay with both factories

asked by sharon on September 15, 2011
17. ## Pre-Calc

Find three examples of the Fibonacci sequence in nature. Write a paragraph for each example. For each example, address the following questions: How does the example relate to the Fibonacci sequence? What portions of each item or situation display the

asked by Anonymous on September 11, 2011
18. ## chem

If one pound (454g) of hexane combusts with 185 grams of oxygen which reactant is the limiting reactant and how many grams of carbon dioxide are produced? My work: 454 g C6H14 * 1 mol C6H14/86.18 g C6H14 * 6 mol CO2/ 1 mol C6H14 * 44 g C02/ 1 mol CO2=

asked by Sarah on April 1, 2015
19. ## SCIENCE

1. How does mass and acceleration affect force? (What happens to force if mass increases? What happens to force if acceleration increases? ) 2. What is the equation for Newton’s 2nd Law of motion? 3. How do you calculate mass using Newton’s 2nd Law?

asked by Khaliyl on February 3, 2019
20. ## Math 7 (Q2)

Cindy is making a punch for a party. The recipe calls for 3 bottles of cranberry juice in order to make enough punch to serve 40 guests. How many bottles of cranberry juice will Cindy need in order to make enough punch to serve 100 guests? Answer

asked by Laruen on May 15, 2012
21. ## Social Studies

1. Which of the following has made flooding worse in the Koreas? A. lack of tree covers** B. lack of crops C. too many droughts D. too many dams 2. What is the most important agricultural product in Japan and the Koreas? A. corn B. rice** C. soybeans D.

asked by Lola on March 3, 2016
22. ## Account

Updraft Systems, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider model, but also makes custom-designed paragliders. Management has designed an activity-based costing system with the following

asked by Anton on March 9, 2013
23. ## English

Hello. Will you please tell me if the following is possible in English: 1)He is in the Defense Ministry building. 2)The main aim of such actions is destabilization in the country. 3)These provocations mean to destabilize the situation. 4)They voted in

asked by Ilma on July 5, 2011
24. ## Math

How do you solve this problem: Jack brought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of \$12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of \$8.50. What is the cost of one slice of

asked by Angie on May 25, 2009
25. ## maths

A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and

asked by deepthi on January 28, 2015
26. ## English passage interpretation

A student and I disagree with her AP English teacher about the author's purpose in this passage. Does the author intend this to show the wild, animistic nature of the swamp or is it intended to show the swamp as negative and repulsive? Of course, the

asked by Ms. Sue on October 21, 2006
27. ## Art

Here is the last part of the same work. Thank you very much, Writeacher. 1) Rather that its utopian promise, Drexler’s book is remembered for the warning that as this technology developed it would be necessary to guard against the accidental release of

asked by John on June 11, 2012
28. ## English

I rewrote the procedures passengers go through when travelling by air. I sometimes doubt whether it is better to use the imperative or the you-form. Can you please help me check them? 1) Enter the airport and check your flight number and the boarding time

asked by Henry2 on October 3, 2011
29. ## Composition

Can someone help me figure out a sentence from my conclusion CONNECTING BACK TO THE INTRO?? Or what can I say to connect back to my intro?? Thankyou to anyone who helps! (: My Intro: In the workplace, a new security installment begins in the workplace.

asked by Jamie on November 11, 2015
30. ## ELA

They gave us a paper where we have to correct the mistakes. My twin cousins I have identical twin cousins, Joe and John. They look exactly alike except that Joe has a tiny birthmark under his chin. Unless you look very closely,youd miss it. Both have

asked by Andrew on January 26, 2012
31. ## Sixth Grade Simplest Form

Im having a hard time trying to solve this problem. Can someone please help me? Marcial found a recipe for fruit salad that he wanted to try to make for his birthday party. He decided to triple the recipe. 3 1/2 cups thinly sliced rhubarb 15 seedless

asked by SARA on September 16, 2014
32. ## science

Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Ground-level ozone (O3) Sulfuric acid (H2SO4) I need to complete the table above and have no idea what to do. Choose one of the following atmospheric issues: air

asked by Angel on September 13, 2008
33. ## math

Which of the following houses would you have the greatest probability of getting a crunch bar while trick or treating if the owner is randomly handing out one item to each child? 1) house 1 has 30 crunch bars,20 sour patch kids, 30 Swedish fish 2) house 2

asked by B8 on October 28, 2013
34. ## physics

A reel has radius R and moment of inertia I. The reel is positioned at the top of a slope and a block is also on the slope with some angle theta. One end of the block of mass m is connected to a spring of force constant k, and the other end is fastened to

asked by mightymouse on March 31, 2009
35. ## Physics

A 145. drop tower. This is an evacuated vertical tower through which , among other possibilities, a 1m diameter sphere containing an experimental package can be dropped. a) How long is the sphere in free fall? b)What is its speed just as it reached a

asked by sam on September 17, 2006
36. ## biogeochemical cycles

what steps could we take to help reduce the harmful effects of human activities on the biogeochemical cycles? Air pollution is a big thing that needs help. But not sure of ways that we could. Any suggestions? Since this is not my area of expertise, I

asked by AMY on September 28, 2006
37. ## Accounting 3

Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts \$350,000 Factory machinery depreciation \$55,000

asked by miguel on September 9, 2014
38. ## Accounting 3

Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts \$350,000 Factory machinery depreciation \$55,000

asked by Vanessa on September 9, 2014
39. ## Accounting 3

Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts \$350,000 Factory machinery depreciation \$55,000

asked by Vanessa on September 9, 2014
40. ## English Expressions

1. You have to work out regularly. 2. You have to exercise regularly. 3. You have to do exercise regularly. 4. You have to do exercises regularly. 5. You have to take exercise regularly. -------------------------------------- Thank you for your help. Are

asked by John on November 29, 2007
41. ## math

ben and glen are practicing short golf shots. they are aiming for a flag that is 110 yards away? they consider any shot between 105 and 115 yards to be accurate. here are their results in yards. ben: 110,130,88,105,108,110,118,100,120,103.and Glen:

asked by theresa on January 6, 2012
42. ## algebra

solve 4^-x=64 Please help -x log 4 = log 64 -x = log 64/log 4 = 3 x = -3

asked by dee on November 26, 2006
43. ## 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
44. ## college math

Suppose 32 = alpha*beta for alpha, beta reatively prime quadratic integers in Q[i] . Show that alpha = epsilon*gamma^2 for some unit epsilon and some quadratic integers gamma in Q[i]. Please help me . I got stuck with it! I'm not an expert in this stuff,

asked by student on November 16, 2006
45. ## CHEMISTRY

At ordinary body temperature (37 C) the solubility of N2 in water in contact with air at ordinary atmospheric pressure (1.0 atm) is 0.015 g/l. Air is approximately 78 mol % N2. a)Calculate the number of moles of N_2 dissolved per liter of blood, which is

asked by Jeremy on February 7, 2012
46. ## Chemistry

At ordinary body temperature (37 C) the solubility of N2 in water in contact with air at ordinary atmospheric pressure (1.0 atm) is 0.015 g/l. Air is approximately 78 mol % N2. a)Calculate the number of moles of N_2 dissolved per liter of blood, which is

asked by Jeremy on February 6, 2012
47. ## Programming

This is a problem with mathmatics. the Question is: Federal law requires hourly employees be paid "time-and-a-half" for work in excess of 40 hours in a week. For example, if a person's hourly wage is \$8 and he works 60 hours in a week, his gross pay should

asked by Lee on October 31, 2010
48. ## english

Good suggestion from Bob Pursley. Also, if you want someone to check your work, please be sure to re-post with the answers you've come up with. =) words that begin with IN a narrow strip ofwater which goes from a sea or lake into the land-I N _ _ T food or

asked by Writeacher on December 17, 2006
49. ## English

I left out two sentences because I'm finding it difficult to send you my post all together. 3) It is an organization that will only be satisfied when it has become redundant. Does this sentence mean that it will go on working until its work becomes

asked by Matthew on April 15, 2012
50. ## Math

You need adobe flash player to access the link. The learn alberta username is LA57 and password is 2149. Go to T4T courses, put grade 11 then math. Then the resources show up. Click 20-1 learn everywhere. I need help on the Mars Rover Simulation questions.

asked by Anonymous on September 10, 2017
51. ## social studies

children received their schooling at home in many pre-industrial families, with the industrial revolution, more children attended formal schools. which of the following statements best explains why this change in schooling developed? (1)after the

asked by MG on February 25, 2016
52. ## Math 115

Every fraction has a decimal equivalent that either terminates (for example,1/4=0.25 ) or repeats (for example,2/9=0.2 ). Work with a group to discover which fractions have terminating decimals and which have repeating decimals. You may assume that the

asked by blondie on December 5, 2007
53. ## Math 115

Every fraction has a decimal equivalent that either terminates (for example,1/4=0.25 ) or repeats (for example,2/9=0.2 ). Work with a group to discover which fractions have terminating decimals and which have repeating decimals. You may assume that the

asked by blondie on December 5, 2007

Multiple Choice 1. Which sphere of the Earth system contains all living organisms? (1 point) atmosphere biosphere geosphere hydrosphere 2. Which of the following statements best describes the geosphere? (1 point) the sphere that consists of solid rock

asked by josh on January 7, 2014
55. ## calculus

In February, 2002, each episode of "Becker" was typically seen in 8.3 million homes, while each episode of "The Simpsons" was seen in 7.5 million homes. Your marketing services firm has been hired to promote Bald No More, Inc.'s, hair replacement process

asked by lc on December 7, 2011
56. ## English

Please check this paragraph.please. Wrongdoing and wickedness are as old as first man born in the world. These problems are so great that man cannot cope with it himself. Man can not escape way from wrongful act and the bad conscience without the help of

asked by Sana on October 21, 2010
57. ## Chemistry - acid base

You are asked to bring the pH of 0.500 L of 0.450 M NH4Cl to 7.00. 12.0 M NH3 How many drops (1 drop 0.05 mL) of this solution would you use? What I did, but its incorrect Using HH equation I found out NH4 pKa = 9.24 from table pH = pKa + log [A-] / [HA]

asked by K on March 10, 2018
58. ## Windows XP help.

I have a few questions on my assignment over Windows XP could you please check them? Thanxs! Short Answer 17. Danni, an employee of a small medical group, manages a network of 30 PCs running Windows XP Professional on NTFS volumes. Eight of the PCs,

asked by shiningstar007 on September 25, 2006
59. ## physics

Derive a general equation for the time of flight of the banana en route to the monkey in terms of only the velocity, distance, and height hint: if you are doing everything right, there should be a lot of cancellations resulting in a relatively simple

asked by Spice on October 25, 2015
60. ## OChem

A solution consisting of water and ethanol is found to have a refractive index of 1.3541 at 20 degrees C. The refractive indices at 20 degrees C of water and ethanol are 1.3330 and 1.3610, respectively. Determine the molar composition (in percent) of the

asked by Omar on October 26, 2011
61. ## Social studies HELP

1.Look at the map. Click on the two areas that made it possible for people in these ecosystems to use the trans-Saharan trade route. 2.Place the following events in the correct chronological order. Mansa Musa brought Muslim scholars, artists, and teachers

asked by Hecker on February 26, 2019
62. ## math

Jan and pete are home decorators. Jan can paint 3 rooms in 2 hours. Pete can paint 2 rooms in 3 hours. If they work together, about how many hours will it take jan and pete to apint 6 rooms.

asked by sai on November 1, 2017
63. ## chem

1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is brought up to volume. What is the

asked by selina on October 10, 2011
64. ## Chem

1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is brought up to volume. What is the

asked by Anonymous on October 14, 2011
65. ## math

Jamiebeatimates that,when he arrives at work tomorrow morning,there is a probability that 0.4 that he will find a convenient parking space. What is Jamie to say? A. It is very unlikely that he will find a convenient parking space. B.it is somewhat unlikely

asked by shannon on January 22, 2015
66. ## Physics

A hot-air balloon is rising vertically at a speed of 10 m s–1. An object is released from the balloon. The graph shows how the velocity of the object varies with time from when it leaves the balloon to when it reaches the ground four seconds later. It is

asked by tania on February 16, 2011
67. ## mgt

Draft a Luxurion Auto employee performance evaluation which will be used to evaluate Luxurion Auto salespeople. Include what you intend to measure among these three evaluation elements: 1. Individual task outcomes 2. Behaviors 3. Traits For example, when

asked by anonymous on July 6, 2007
68. ## chemistry/ molarity, molality

A solution is made by mixing 20.0 mL of C6H5CH3, d=.867g/mL, with 140.0mL of C6H6, d=.874g/mL. assuming that the volumes add upon mixing, what is the molarity? what is the molality? i know that molarity= moles/L and molality= moles sol/kg solvent... but im

asked by christine on April 3, 2007
69. ## Chemistry

From data below, calculate the total heat (J) needed to convert 0.172 mol of gaseous ethanol (C2H6O) at 351° C and 1 atm to liquid ethanol at 25.0° C and 1 atm. Boiling point at 1 atm 78.5°C c gas 1.43 J/g · °C c liquid 2.45 J/g · °C ΔH°vap 40.5

asked by Lizichka on April 7, 2012
70. ## English

Can you please check if the word choice is correct and if the words in parentheses are also possible? Thank you in advance. 1)Work out both the poem's rhyme scheme and its metre/rhythm The poem is written in rhyming couplets /in iambic pentameters. Each

asked by Franco on February 14, 2010
71. ## Physics

What value of F can pull the 5.00 kg box at constant velocity up the incline if uk=0.25. u means coeffiient friction the angle is 30 degrees and 5.00 kg force is going up Break up the weight of the box into two components: Perpendicular to the slope, and

asked by camille on September 16, 2006

Recently, it was observed that people have started saving more rather than spending. This has impacted the demand for luxury goods and services. The decline in the demand led to unemployment in the related sectors. What can be a primary solution to reduce

asked by Kathy on April 24, 2017
73. ## chemistry

Which of the following is NOT true about the thermodynamic standard state? A. A pure liquid is in its standard state at 25C and a vapor pressure of 1.00 atm. B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A gas is in its

asked by jeff on May 17, 2009
74. ## chemistry

Which of the following is NOT true about the thermodynamic standard state? A. A gas is in its standard state when its pressure is 1.00 atm and its temperature is 25C . B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A solid

asked by jina on February 20, 2008
75. ## Chemsitry

Which of the following is NOT true about the thermodynamic standard state? A. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C. B. An aqueous solution is in its standard state at a concentration of 1.00

asked by Anonymous on February 25, 2008
76. ## English

Thank you very much. I have a few moe sentences I'm not sure of. 1) I have a sunburn. I think you should rub (in/on) some ointment for burns and scolds. 2) I think you should have your leg put in plaster. 3) What do you do if you catch flu? You lay in bed

asked by Franco on January 23, 2011
77. ## math

The area of the wall you are going to paint is 50 feet2. If the width is half the height, what are the dimensions of the wall? In answering this problem follow the steps below: 1. Represent the height as ‘x’ and then write the width in terms of x (for

asked by Jennifer on January 2, 2012
78. ## math

Sally and Kate stand some distance away from a building which is 10m high. Sally measures the angle of elevation of the top of the building to be 35(degree). From Kate's position, the angle of elevation of the top of the building is 50(degree). If the

asked by Steve on April 30, 2018
79. ## Chemistry

A sample of InCl3, is known to be contaminated with NaCl. The contaminated sample weighs 2.84g. When the contamintaed sample is treated with excess AgNO3(aq). 574 grams of AgCl(s) are obtained. What is the percentage by mass of InCl3 in the sample? (All I

asked by Carlos on January 21, 2007
80. ## math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by lynn on May 12, 2014
81. ## algebra

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by Anonymous on June 4, 2012
82. ## Math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by Anonymous on July 15, 2015
83. ## math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by jess on May 2, 2013
84. ## math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by Anonymous on October 31, 2012
85. ## math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by Anonymous on June 3, 2012
86. ## math

You need to hire a part-time associate to work 30 hours a week in your store. You have \$250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid \$9.00 per hour. Your

asked by Anonymous on January 14, 2015
87. ## Finance

1. Following is the projected net income stream associated with the use of Zartek technology. (Note: this net income stream does not take into account that Zartek’s owners invested \$2,000 to develop Zartek in Year 0.) Globus Maximus Enterprises would

asked by Anonymous on April 17, 2010
88. ## math

drama club sold adult tickets for \$8 and kid tickets for \$5. for the final performance a total of 226 tickets were sold for a total of \$1670. how many adult tickets were sold for the performance? X = # of adult tickets Y = # of kid tickets X + Y = 226 8X +

asked by mario on March 28, 2007
89. ## Quotations and commas

It seems as though I have forgotten where to put commas when I'm listing and using quotations... Would it be... I see words that refer to “planning”, “listing”, and “outlining”, which are sequential related. OR I see words that refer to

asked by R on October 30, 2006
90. ## Physics

Consider the following four possibilities for two point charges and choose the one(s) that do not change the magnitude of the electrostatic force that each charge exerts on the other: A. Double the magnitude of each charge and double the separation between

asked by Patrick on July 18, 2012
91. ## further mathematics

The roots of the eqn, x^4 + px^3 + qx^2 + rx + s = 0 where p, q, r, s are constants and s does not equal to 0, are a, b, c, d. (i) a^2 + b^2 + c^2 + d^2 = p^2 -2q (in terms of p & q) (ii) 1/a + 1/b + 1/c + 1/d = -r/s (in terms of r & s) (iii) using the

asked by candice on September 11, 2006
92. ## Computers

1. An 7-bit counter is wired as follows: The CLK input to the first stage (LSB) is the system clock. Each stage's output is used as the CLK input to the next higher stage. This counter is a: A. MOD 128 ripple counter B. MOD 256 synchronous counter C. MOD

asked by Thomas on April 29, 2013
93. ## Psych T/F Questions

1. Some hearing losses experienced by middle-aged adults are due to exposure to noise? True 2. A combination of progesterone and estrogen (HRT) is commonly used to treat immune system disorders? False 3. Men experience the same sudden downward shift in

asked by Janet on November 4, 2013
94. ## SCIENCE

What is the chemically combined substance of a hydrogen atom and a helium atom. please help me because i really don't know this is confusing really please and thankyou Hydrogen atoms don't normally combine with helium atoms. In fact, helium atoms don't

asked by Anonymous on November 7, 2006
95. ## physics

A tray held horizontally by a waiter. The tray has a weight of 6N and supports a drink of weight 3N. The waiter provides a force at P (BTW P is at one end). The tray my pivot about point T (BTW T is 5cm away from P) Find the force provided by the waiter at

asked by Sharda on August 18, 2014
96. ## Criminal Justice

1. What is the "revolving door" concept? A. The concept that police only work with prosecutors when they are forced B. The concept that individuals on probation will just end up in prison C. The concept that offenders go to prison, get out of prison, and

asked by Amy on April 13, 2014
97. ## English

I really need help with my writing. I need some to proof read a paper that I wrote. Two Career Families versus One Career Families Back in the early days the traditional working family was a one career family. The roles of husband and wife were defined and

asked by Joel on January 28, 2012
98. ## Chem(check my work, mass percent acetic acid)

During the spoiling process, fruit juices often oxidize to create vinegar. A sample of a beverage with a mass of 2.578 grams reguires 18.62 ml of .095M NaOH for neutralization. What is the mass percent of acetic acid present, assuming that no other acids

asked by Kizner on June 12, 2006
99. ## math Help ASAP

write and solve inequality 17. the speed limit of a highway is 55 miles per hour. a car is traveling at least 65 miles per hour. how many miles per hour m over the speed limit is the car traveling? A 55-m>equal to 65;m. eqaul to 10 B m+65< equal to 55; m <

asked by kathy on October 21, 2014
100. ## Science

A student mixed two clear liquids together in a beaker. A gas and a new liquid formed. The gas escaped, so the student was unable to measure its mass. She guessed that its mass was no more than 10.0 [LW1] grams. Her data is shown in the table below. Mass

asked by Baby_Banana on February 6, 2018