# 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 702
1. ## percents

how do you find the percent of how many students in the class for example there are 2000 students in a class and 20 percent of them speak french...how do i solve this problem?

asked by joelyz on February 9, 2009
2. ## Math

How do you solve this: A 20-ounce bag of popcorn costs \$2,80. If the unit price stays the same, how much does a 35-ounce bag of popcorn cost?

asked by Jessi on February 25, 2009
3. ## Quadratic Equations

Can anybody tell me step wise step how to solve this quadratic equation? x^3-3x^2+4=0 Please tell me step wise step as i haven't solved such type of equations before. Thank You

asked by Akash on April 14, 2011
4. ## math

A recipe uses 3 cups of flour to make 48 cookies, how much flour is needed to make 72 cookies. create a proportion and solve=?

asked by Star on October 16, 2018
5. ## plz help math

The formula for the force between two objects is F=GMm/r^2 where M and m are the masses of the two objects, G is a constant, and r is the distance between them. Solve the formula for m .m=Fr^2/GM m=r^2/FGM m=GM/Fr^2 m=FGM/r^2

asked by Claire on May 26, 2016
6. ## Algebra 1

Fred would like to get at least a C in the class. He got a 68 on the first test. Write an inequality and then solve to find out what Fred would need to get on his next test to have a C in the class. • C≥68 (I honestly do not know how to even start this

asked by Jade on March 25, 2016
7. ## Math

Solve: Richard has 17 yards of material. How many tote bags can he make if each bag takes 2/3 yards of material to make?

asked by Susan on April 14, 2012
8. ## yet another geometry question

Points D, E and F are the midpoints of the sides of triangle ABC. If AD=6, CF=4 and the perimeter of triangle ABC = 30, then find BE. If D is between A&B, E is between B&C and F is between C&A, then the perimeter is 6+6+4+4 + (twice length of BE)= 30 Solve

asked by mike on May 7, 2007
9. ## Math (Dimensional Analysis)

Hi this is a dimensional analysis problem,I want to solve for x. 300x^2 -16.667x^3+(-7200)=0 after getting 300x^2 -16.667x^3=7200 I really don't know what to do. Plz help.

asked by Kari on November 24, 2011
10. ## Math - Slope intercept

Write this equation in slope intercept form. 6x-3y-2=0 and solve for Y.? My answer: Slope-intercept form: y = 2x-2/3 I don't know what is the value of y. Can you help me? Would it also be y = 2x-2/3? Please explain it

asked by PleaseCheckMyAnswer on March 31, 2016
11. ## trig

Solve for [0, 360) 2sinxcosx + cosx =0 2sinxcosx = -cosx 2sinx = -cosx/cosx sinx = -1/2 {210, 330) Is this correct?

asked by Sara on June 19, 2010
12. ## math

how do you solve this.prove: cos2A plus cosA divided by sin2A minus sinA equal to cos2A plus 1 divided by sinA

asked by lungisile ntobela on January 22, 2012
13. ## 7th grade math

The sum of an integer and the next greater integer is at the most 13. Write an inequality to find the lesser integer and solve for the lesser integer. My answer n+n+1

asked by Sierra on February 4, 2015
14. ## Math

What operation do I use to solve this problem? Ed's car can travel 93.5 miles on 4.25 gallons of gas. How far can the car travel on 1 gallon of gas?

asked by Mysterious Beauty on February 16, 2017
15. ## Pre-Calculus

What are the vertices and co vertices of the ellipse x^2/4 + y^2/25=1 I actually have no idea how to even start to solve this problem, so any help will be appreciated. Steps on how this problem is solved are also appreciated.

asked by Julissa on March 6, 2015
16. ## Algebra

Yhe problem is wanting me to find the Perimeter of a triangle but only two sides Are marked with 3x + 2 on both sides How do I solve to find the perimeter

asked by Don't know how to solve on November 3, 2014
17. ## Equation

Can anyone check this answer for me, simultaneous equation. Where y = 14 + 0.11x and y = 10 + 0.14x use algebra to solve, is the answer 14 + 0.11x = 10 + 0.14x y = 4 x = 0.03 If not where am I going wrong Thanks... :-)

asked by Leo on February 4, 2008
18. ## Trigonometry

Add 3+ 4i and -4+2i graphically My class got 1+ 2 radical 10 /2 and 1-2 radical 10 /2 . whenever i put this into the y= graph, nothing shows up on the graph. Can someone tell me how to solve this algebraically and graphically?

asked by Tomtom on November 3, 2011
19. ## polynomials and zeros

5x^2 + 4x - 2 = 0 How would you solve this by graphing? Do you just draw a graph by finding x and y? The answer is -(2-sqrt14)/5, -(2+sqrt14)/5 There's no way you can just graph it and come up with these numbers by finding the integers of x. How would you

asked by jack on June 27, 2017
20. ## math 2

pedro gets 8 hours of sleep each night. how many hours does pedro sleep in a yeat with 365 days? please solve the problem?

asked by stephie on October 23, 2012
21. ## math

solve for a a x 25 = ( 7 x 20 ) + ( 7 x 5 )a multiply it out. 25a=140+35a subtract 35a from both sides -10a=140 divide both sides by -10

asked by Daniel on July 28, 2005
22. ## Math

can someone please help me solve Miguel has a box of markers for coloring. He is using 1/4 of the markers and his friend Kevin is using 3/4 of the markers. The fraction of the markers left in the box is

asked by Desmond on January 11, 2016
23. ## Math

An elevator, when full, holds 20 children or 15 adults. If 12 children are on the elevator, how many adults can still get on? Use an algebraic equation to solve this problem.

asked by Jay on February 26, 2008
24. ## Math

Calculate the integral ∫-2e^(Sin(x)) Cos(x) dx , u = Sin(x) Just having a slight hard time at finding du to solve the integral du: Cos(x) dx

asked by B-c on October 2, 2018
25. ## Math 9th grade

2 angles have measures x and y. The sum of the measures of the angles is 180. Write a formula to express this relationship and solve the formula for y.

asked by .... on December 18, 2011
26. ## Math

Please solve this problem. Percent Increase or Decrease (A)Orginal Amount : 300 New Amount : 180 Increase or Decrease ?

asked by Tabassum sultana on January 27, 2019
27. ## critical thinking test AU

1. Question : The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses: Student Answer:

asked by jack on March 12, 2012
28. ## physics

The Navstar Global Positioning System (GPS) utilizes a group of 24 satellites orbiting the Earth. Using "triangulation" and signals transmitted by these satellites, the position of a receiver on the Earth can be determined to within an accuracy of a few

asked by Claire on November 19, 2018
29. ## physics

1. Two similar cylindrical polished bars weighing 5.00 N each lie next to one another in contact. A third similar bar is placed on the other two in the groove between them. Neglecting friction what horizontal force on each other is necessary to keep them

asked by GG Khannam on June 18, 2014
30. ## Physics

The system starts at rest. A mass of 20kg (m1) is connected to a pulley of uniform mass m=5kg and radius 10cm and a mass of 30kg (m2) hangs on the other side of the pulley hanging 2m above the ledge Find the tension of the strings I tried to find the

asked by Maddi on September 21, 2016
31. ## ECON

Suppose that we are in the early days of the Bretton Woods system, and France has declared a par value for the French franc at FF6 per dollar. The allowable fluctuation band is one percent on either side of par. What is the price ceiling for the dollar in

asked by Blaney on November 19, 2014
32. ## HELP

A brass rod with a length of 10.0 cm is placed end to end with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal conductivities of the brass

asked by amy on March 20, 2013
33. ## Statistic

GMAT and GPA Scores for 12 MBA Students Compute the covariance and the determination and interpret your findings. GMAT- 599 689 584 631 594 643 MBA GPA- 9.6 8.8 7.4 10.0 7.8 9.2 GMAT- 656 594 710 611 593 683 MBA GPA- 9.6 8.4 11.2 7.6 8.8 8.0 Show me

asked by teresa on January 31, 2011
34. ## Physical Chemistry

Calculate the work, w, (in J) when 0.6 litre of an ideal gas at an initial pressure of 91.5 atm is expanded isothermally to a final pressure of 2.15 atm against a constant external pressure of 2.15 atm. I got -130.71 J, but apparently it is wrong. Help is

asked by Cole on January 18, 2016
35. ## Physics

Some object moves 220.0 m at an angle of 42° north of west. During this motion, a 68.0 N force acts on the same object, doing +5460.0 J of work on the object. Assuming the force is applied horizontal to ground, what is this force’s orientation? Is there

asked by Chad on August 9, 2012
36. ## physics

A hockey puck of mass 0.27 kg is sliding along a slippery frozen lake, with an initial speed of 56 m/s. The coefficient of friction between the ice and the puck is μK = 0.032. Friction eventually causes the puck to slide to a stop. Find the work done by

asked by cbrown on March 19, 2009
37. ## physics

A stonemason lifts a small boulder weighing Fw = 80 N from the ground onto a height = 1.50 m wall in the time t = 2.0 s. Using the values in the problem, calculate how much work she does. What power does she develop in watts? What power does she develop in

asked by harley on January 24, 2018
38. ## chemistry

ideal gas .450 mole initial pressure 16 atm and 290 K expands isothermally to a final pressure 1 atm. find work , if expansion is against a vacuum, a constant external pressure of 1 atm and reviersibly

asked by kat on February 1, 2009
39. ## Physics

An ideal gas in a rigid container (constant volume) has its pressure cut in half slowly. In the process, 265 kJ of heat left the gas. (a) How much work was done during the process? (b) What was the change in internal energy of the gas during this process?

asked by Andrea on October 6, 2010
40. ## HELP PLEASE NOW

1. What are the causes of problems the Mayas and other Native American groups face in Guatemala? How are people trying to solve these problems? 2. Compare and contrast the economies of Chile and Venezuela. 3. Name two geographic obstacles and one political

asked by Cora on May 29, 2015
41. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
42. ## grade 8 french

complete les phrases avec la forme correcte du verbe au passe compose. 1) (naitre) Notre directrice _____ ____ en 1975. 2) (venir) La pharmacienne ______ _____ parler aux eleves. 3) (devenir) ce professeur _____ _____ directeur. could you please help me

asked by rebecca on June 18, 2009
43. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
44. ## math

how would u solve this: 2sin(x)-1=0 exact step to solving would be nice thanx Add one to both sides and divinde both sides by 2. sin x = 1/2 Now look up the angle that has a sine of 1/2. That's the answer what is a derpeciation expense The word

asked by anna on April 11, 2007
45. ## chemistry

how do i solve the following problem? Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2 → 2NO + O2 In a particular experiment at 300°C, [NO2] drops from 0.0100 to 0.00650 M in 100 s. The rate of Disappearance of NO2 for this

asked by jess on November 17, 2010
46. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
47. ## history

Which of the following is not a biased statement about Texas history? A. Annexation was the only way to solve the debt problem created by sam Houston. B. the republic of Texas was an independent country for 10 years. C. the native Texans were the cause of

asked by hi on December 20, 2018
48. ## Math Help!

1. Find the 4th term in the binomial expansion.(2x + 3y)^6 2. Use synthetic division and the remainder theorem to find P(a). P(x)= x^5 + 3x^4 + 3x − 7; P(-1) 3. Factor the expression on the left side of the equation. Then solve the equation. x^6 + 128x^3

asked by Larry on May 8, 2014
49. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
50. ## Physics

Hi! i am going to apply for a medical study admission test and where just wondering if you guys could help me to come up with the formula for solving this problem. I am not looking for a answer, just the mathematical formula to solve theese kind of

asked by Marius on May 13, 2015
51. ## math

Can someone please check my answers and help me with the last question! 1. Solve sin2xcos2x = 4sin2x on the interval [0, 2pi] 0, pi, 2pi? 2. Exact value of sin(pi/12) - sin(5pi/12) root3/4? 3. Using factorial notation, 0! = 1 False? 4. Find the area of the

asked by mysterychicken on June 6, 2013
52. ## Quantum physics

How can I solve the following ecercise: Use perturbation theory to calculate the energy levels of a particle in a box with a cosine function botto. Let the box extend from x=a to x=a and let the perturbing potential be H' = V0[1+cos(2*Pi*m*x/a)]. This

asked by Juan Manuek on June 15, 2011
53. ## chemistry

How can I solve the following ecercise: Use perturbation theory to calculate the energy levels of a particle in a box with a cosine function botto. Let the box extend from x=a to x=a and let the perturbing potential be H' = V0[1+cos(2*Pi*m*x/a)]. This

asked by Juan Manuek on June 15, 2011
54. ## Math

Suppose just go is selling magazine subscriptions each of the scription cost \$20 the company pays the school half of the total sales in dollars the school must also pay a one time fee of \$18 right and solve any Quetion to determine the fewest number of the

asked by Kayla on November 13, 2015
55. ## Physics

A 1400 kg car travels up a 20 degrees incline. The car exerts a constant force of 30,000 N across 100m. The car starts from rest at the bottom of the incline. The car takes 10 minutes to do this. How much work is done by the car?

asked by Anonymous on January 25, 2017
56. ## psychology

Leigh, B. C. (1993). Alcohol consumption and sexual activity as reported with a diary technique. Journal of Abnormal Psychology, 102, 490-493. doi:10.1037/0021-843X.102.3.490 This is the article to utilize when answering the questions 1. What are the

asked by Mel on July 6, 2014
57. ## human resources

Needs assessment: What types of issues might indicate a need for training? From what sources would these issues be identified? If you were a training manager, how would you prioritize training needs from these sources? a. A supervisor requests training on

asked by Nadia on September 27, 2008
58. ## math 101

how much liquid containing 6% boric acid should be mixed with quarts of liqud that is 15% boric acid in order to obtain a solution that is 12% boric acid?

asked by Arvee on September 11, 2016
59. ## Chemistry Solutions

Commercial Sodium hydroxide has a concentration of 19.4mol/L. How many milliliters of sodium hydroxide solution can be prepared from 59g or sodium hydroxide.

asked by Isaac on November 5, 2016
60. ## chemistry

A solute is added to water and a portion of the solute remains un-dissolved. When equilibrium between the dissolved and un-dissolved solute is reached, the solution must be

asked by berta on May 22, 2013
61. ## history

How did the policies of the Napoleonic Empire change Europe? Napoleon’s expansion policies led to a desire for self-rule throughout Europe. The policies of Napoleon led to international treaties, economic cooperation, and world peace. Policies of the

asked by Bri on October 2, 2018
62. ## History

How did the policies of the Napoleonic Empire change Europe? a. Napoleon’s expansion policies led to a desire for self-rule throughout Europe. b. Policies of the Napoleonic Empire elevated the education system throughout Europe, which led to local

asked by Anonymous on January 17, 2018
63. ## Literacy

. Which statement best characterizes Adam Smith’s concept of the “invisible hand”? A. Those who don’t work shouldn’t eat. B. The quest for personal gain works for the common good. C. When governments fail to regulate, greed conquers all. D.

asked by Heather on January 22, 2012
64. ## business

Today many employers expect interviewees to do more than just answer standard questions including all of the following except .defer to the hiring company to take control of the interview process B.provide samples of work they woukd likey do in the job.

asked by Anonymous on February 22, 2012
65. ## English

I left out a last thing about the comprehension. Thank you very much Writeacher. 1) Paradoxically, Amnesty is an organization that will only be satisfied when it has become redundant. Meaning: Amnesty will go on working until its work becomes unecessary.

asked by Matthew on April 15, 2012
66. ## History Essay

This essay is on Benjamin Franklin, and I was wondering why he went to Philadelphia at only 17. Did he run away or did his parents send him away? Where did he stay and work while he was there? I've researched on Google, but I can't find any good

asked by Jenna on February 26, 2007
67. ## 7th grade Social Studies Ms. Sue please!

This homework question was removed due to a copyright claim submitted by Connections Education. My answers: 1. organize information. 2. enough detail. 3. Earth's tilt and orbit 4. new landforms. 5. latitude. 6. polar. 7. birth rates and death rates. 8.

asked by Delilah on January 10, 2013
68. ## math

a disc jockey must play 14 commercial spots during 1 hour of a radio show. each commercial is either 30 seconds or 60 seconds long. if the total commercial time during 1 hour is 11 min, how many 30 seconds commercials were played that hour. how many 60

asked by linda on October 6, 2008
69. ## Biology

14. Which of the following is the blood vessel with the largest diameter? a. capillary b. artery c. vein d. venule Not sure...? 16. As a defense against pathogens, mucous membranes a. cover all of the body's surfaces to act as an impenetrable barrier b.

asked by mysterychicken on March 19, 2010
70. ## PreAlgebra

A circular pond 20 m in diameter is surrounded by a gravel path 5 m wide. The path is to be replaced by a brick walk costing \$30 per square meter. How much will the walk cost? i need to teach this to my brother, but i'm stuck on it myself. please show me

asked by y912f on May 8, 2009
71. ## english

• The article I chose is: how stuff works – communication. The type of introduction that the writer used was to include interesting facts about the subject. He also gave animated illustrations to show how telephone communication works. The kind of

asked by Tom on April 14, 2008
72. ## chemistry

Butanoic acid consists entirely of C, H and O. Upon combustion, a 0.3164g sample of butanoic acid produces 0.6322g CO2 and 0.2588g H2O. Determine the empirical formula of butanoic acid I don't want the answer just direction on how to solve this pls

asked by balanciaga on June 11, 2016
73. ## government

How has the Supreme Court ruled on affirmative action in university admissions? A. Race can only be a factor in medical school admissions. B. It is up to the states to decide whether they will allow race as a factor in admissions. C. Only when no other

asked by dbh on April 24, 2019
74. ## Physics

A 0.500kg block of metal with an initial temperature of 30 degrees C is dropped into a container holding 1.12kg of water at 20.0 degrees C. If the final temperature of the block-water system is 20.4 degrees C, what is the specific heat of the metal? Assume

asked by Tammy on May 5, 2019
75. ## statistic

Of all mortgage foreclosures in the United States, 50% are caused by disability. People who are injured or ill cannot work--they then lose their jobs and thus their incomes. With no income, they cannot make their mortgage payment and the bank forecloses.

asked by Anonymous on November 10, 2015
76. ## Math

A man travels to work everyday at a speed of 40km/h using a car and 6km/h by walking. He arrives at his workshop in 25mins. One day his car broke down and he walked three times as far, thereby arriving at the workshop 17mins late. Calculate the distance

asked by Joseph on September 15, 2015
77. ## Physics: Kinematics

A speed boat moving at 33.7 m/s approaches a no-wake buoy marker 93.3 m ahead. The pilot slows the boat with a constant deceleration of 2.9 m/s 2 by reducing the throttle. How long does it take the boat to reach the buoy? current work done: x = Vot +

asked by Michelle on October 29, 2012
78. ## physics

i need help it says a shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from the horizontal. Find the work done by the shopper on the cart as the shopper moves along a 50.6m length aisle. answer in units

asked by Claudia on November 2, 2008
79. ## Physics!!

A baggage handler throws a 16.0kg suitcase horizontally along the floor of an airplane luggage compartment with an initial speed of 1.40m/s . The suitcase slides 2.20m before stopping.Use work and energy to find the suitcase's coefficient of kinetic

asked by Jony on March 16, 2012
80. ## English

In "All Together Now", Jordan uses appeals to emotion and appeals to reason to try to persuade her readers that her views are important. In a paragraph, cite one example of each kind of appeal in her work. Then, explain whether you find Jordan's appeals

asked by Anime Lover on December 13, 2018
81. ## Math

Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences

asked by Mary on December 25, 2011
82. ## Check my math question please? Very urgent!

The commute times during rush hour traffic on a local interstate have a mean of 25 minutes and a standard deviation of 5 minutes. Repeated studies of this section of interstate are considered normally distributed. What percent of commuters drive between 20

asked by Melanie on April 24, 2017
83. ## Plz help check my answer!!?

The commute times during rush hour traffic on a local interstate have a mean of 25 minutes and a standard deviation of 5 minutes. Repeated studies of this section of interstate are considered normally distributed. What percent of commuters drive between 20

asked by Melanie on April 24, 2017
84. ## Physis

A bullet of mass of 30g and travelling at a speed of 200msˉ¹ embeds itself in a wooden block. The bullet penetrates a distance of 12cm into the wood. Using the concepts of work done by a force and kinetic energy, determine the average resistive force

asked by James on March 8, 2012
85. ## calculus

Find the derivative using the chain rule. f(x) = ((3x-7)/(6x+3))^4 f '(x) = let u= 3x-7 v= (6x+3)^-4 Then d(uv)= u dv + v du du= 3 dv= -4(6x+3)^-5 (6) so what's f'(x)? (thanks for your help) Goodness. f'(x) is d(uv) I will be happy to critique your work or

asked by jessica on February 20, 2007
86. ## chemistry

Experimental Design: From the work you have done this semester, choose a topic and design an experiment you would be able to perform. In your design (1) state your hypothesis, (2) identify your dependent and (3) independent variables, (4) your control

asked by louren on March 29, 2016
87. ## macroeconomics

an increase in GDP necessarily translated into improvements into the welfare of citizens? true or false. i think its true but im not sure I can think of examples when it would not be true. Consider a kingdom which increases total output because the king

asked by jenna on March 13, 2007
88. ## thesis help

I know I m asking for a lot of work but please if somebody can help me , I would really appreciate it

asked by thesis help on November 6, 2011
89. ## Math

You work in the accounts receivable department and have just received a cheque for \$2400 from a customer. On checking the records you find that you billed this customer for \$5000 fifteen days ago. Your company's terms are 4/10, 3/20, n/60. After posting

asked by Anonymous on January 13, 2019
90. ## College Physics

A charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -2.1 x 10-9 C is acted on by a downward electrostatic force of 4.3 x 10-6 N when placed in this field. (a) What is the magnitude of the electric field?

asked by Stephanie22-41 on July 8, 2012
91. ## Analytical Physics II

A charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -2.1 x 10-9 C is acted on by a downward electrostatic force of 4.3 x 10-6 N when placed in this field. (a) What is the magnitude of the electric field?

asked by Maria on September 21, 2017
92. ## Physics

In a laboratory experiment, a calorimeter is used to find the specific heat of an unknown metal. 100.0 grams of dry metal shot are placed in a cup and heated to a temperature of 95 °C. The calorimeter is partially filled with 150 g of water at 20.0 °C.

asked by mssailormouth on July 5, 2019
93. ## Trig/Precalc

The system of equations: |z-2-2i|=sqrt(23), |z-8-5i|=sqrt(38) has two solutions z_1 and z_2 in complex numbers. Find (z_1+z_2)/2. My first instinct on this problem was to square each equation given that the square of the magnitude of a complex number is

asked by majorbill on February 16, 2015
94. ## social studies

1. Which of the following was one of the influences of the Roman Republic in the framing of the Constitution? (1 point) a centralized government that provides for more order elected representatives who are the voice of the people a judicial system that is

asked by reb on November 7, 2018
95. ## A.P. Chemistry

You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00  10-4). A buffer of pH 3.000 is needed. What volumes of HNO2 and KNO2 are required to make 1 liter of buffered solution? How does the henderson hasslebache equation help find the

asked by Oli on April 3, 2010
96. ## physics

Suppose an object is placed at a distance x from a screen and a converging lens of focal length f is placed between the object and the screen. What is the minimum separation distance x (in terms of f) for a real image to be formed on the screen? Support

asked by Josh on May 19, 2014
97. ## Physical Science

Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the substance have very different melting temperatures and densities. The unknown substance is

asked by Ryan on September 25, 2011
98. ## Biology

What will happen when deionized water is added to red blood cells and then left to sit for 15 minutes? Will the blood cells mix with the water immediately and make a paler solution or will they be more dense than the water and sink to the bottom?

asked by Ejda on October 1, 2007
99. ## Accounting

1. Assume that Sprinturf uses a job order costing system. For the three basic cost categories of direct materials, direct labor, and overhead, identify at least two typical costs that would fall into each category for Sprinturf. 2. Assume a local high

asked by Dezmin on September 20, 2010
100. ## Math

What is the solution of the inequality 1_< x What is the sum of 4 and x is greater than 6 A snake's body temperature never goes below 3C what inequality can I write to represent this Nina wants to take at least \$15 to the movies. What inequality can I

asked by Makenzey on February 26, 2015