# 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 584
1. ## physics...

T^2=((4pi^2)/(GM_E))r^3 Substitute the period in seconds, T = 86,400 s, the gravity constant G = 6.67 multiplied by 10-11 kg-1 m3/s2, and the mass of the Earth, ME = 5.98 multiplied by 1024 kg. Solve for r.

asked by cb on March 15, 2009
2. ## physics # 5

5. The length of a simple pendulum with a period on Earth of one second is most nearly a.) 0.12 m b.) 0.25 m c.) 0.50 m d.) 1.0 m e.) 10.0 m The formula for the period is P = 2 pi sqrt(L/g) g is the acceleration of gravity, 9.8 m/s^2. Solve for L. (or get

asked by gomez on August 7, 2007
3. ## Algebra 2/Trigonometry

How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?

asked by Christian on December 5, 2014
4. ## Math

If the hypotenuse of a right triangle is a=3cm, so A=90 degrees, and the square of the sum of the other two sides is 17, what is the area of the triangle? so basically, (b+c)^2=17 I think you are supposed to use trigonometry to solve it but I don't know

asked by Tanaya on March 23, 2017
5. ## pre-cal

I have 2 sets of coordinates (1, 410) and (12, 788) and need to calculate the rate of change over time using y=ae^bt. Since I don't have a coordinate at 0, I can't figure out how to calculate my starting value, or a, to solve this.

asked by Sydney on December 19, 2018
6. ## Math

i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a) compute the mean and the standard deviation of the population? ive looked through all my notes

asked by ash on November 21, 2010
7. ## Vectors - Maths [Second Question]

Let a = i - j + 2k and b = i + 2j - 4k a) Find 2a - 3b This one was easy. It should be -i - 8j + 16k b) Hence find a value of m such that a, b and c are linearly dependent, where c = mi + 6j - 12k. I struggled to solve this one. Please help me by showing

asked by C on January 5, 2017
8. ## calc

find derivative using limit definition: f(x) = x - sqrt(x) so f'(x) = lim h->0 [f(x+h) - f(x)]/h but I keep trying to solve by multiplying by the conjugate but I can't figure it out..there's nothing that can be cancelled or anything and I can't get the

asked by terra on September 26, 2011
9. ## Physics

You measure a uniform electric field of 13.3 x 10^3 N/C between two equipotential surfaces. One surface is at a potential of 1543 V and the other is at 951 V. What is the separation between the two surfaces? How would I solve this?...What equations would I

asked by Fed on July 8, 2014
10. ## math: pre-calculus

Solve the equation. First express your answer in terms of natural logarithms (for instance, z=(2+ln5)/ln3). Then use a calculator to find an approximation for the answer. 3^x+9=2^x.

asked by Nicky on May 8, 2016
11. ## masters level finance

I am stuck at the last line of this problem. The original formula is R=Rf+B(Rm-Rf) I have moved it and placed the known information in 14=Rf+1.45(11.5-Rf) Then moved it further 14=Rf+16.68-1.45Rf I need to solve for Rf, but I am having a hard time

asked by candis on February 21, 2010
12. ## IPC

The specific heat capacity of aluminum is 0.22 cal/g°C. How much energy needs to flow into 20.0 grams of aluminum to change its temperature by 15°C? How do i set this problem up to solve it?

asked by Kaitlin on February 24, 2011
13. ## Pre-Calc

Solve the quadratic equation by factoring. Check your solutions in the original equation. (Enter your answers as a comma-separated list.) x^2 + 2ax + a^2 = 0

asked by Katie on February 11, 2016
14. ## Math

Solve the integral of (x*e^2x)/(1+2x)^2 by first using u substitution and then use integration by parts. I am very confused on how to do u-substitution with this because no mattter what I let u be equal to the du never comes out to be anything in the

asked by Dave on September 29, 2017
15. ## algebra 2

if a rock is dropped from the top of a 200 ft building, solve for the time it takes for it to hit the ground. (when h=0) hint-initial velocity when dropped is 0

asked by maddy on May 26, 2013
16. ## math

g/5+2>10.......solve Please read: http://www.math.com/school/subject2/lessons/S2U3L4GL.html Now try adding -2 to both sides. then multiply both sides by 5

asked by jc on May 21, 2007
17. ## math,algebra

how do you solve this problem 3 and 1/3 subtracted by 1 and 2/3? Change the mixed number back to fractions with a common denominator. That would give you 5/3 subtracted from 10/3. How many thirds are left?

asked by jasmine20 on December 16, 2006
18. ## math

1. Consider the following equation. xy + 7x + 5y = –8 (a) Differentiate both sides with respect to x to complete the following. ( blank )y ' + y + blank =0 (b)Solve for y ' in terms of x and y. (c) Calculate dy/dx at the point (4,-4). Can anyone help me

asked by Diana on June 21, 2010
19. ## math

If Nefertiti could pronounce her name in six tenths of a second. At that rate, how many times could she pronounce her name in 15 seconds? (write and solve a fraction division problem to answer the question)

asked by Emily's mom on April 27, 2011
20. ## pre algebra help

9. how you would convert the repeating, non terminating decimal to a fraction? explain the process as you solve the problem. 0.1515 I don't understand this question can someone help explain this?

asked by jaden on September 21, 2014
21. ## Albegra

diego wrote one equation to find a missing angle measure.Write three more equations to solve the same problem 180 grade - -------=48 grade

asked by Isabella on March 2, 2017
22. ## Social Studies

@Ms. Sue Can I get a link? I don't want to cheat! Thank you! What are the causes of problems the Mayas and other Native American groups face in Guatemala? How are people trying to solve these problems?

asked by HobiHoe on May 22, 2018
23. ## calculus

can you please explain tep by step how to solve dividing complex numbers strictly using a graph, the complex plane. I know how to do it algebraically, but not graphically. thankyou

asked by wendell on June 9, 2012
24. ## Chem II/College

Using the Clausius Clapeyron equation determine the vapor pressure of water at 50.0 degrees C. The molar heat of vaporization of water is 40.7 kJ/mol. How do you solve this?

asked by Bianca on October 7, 2012
25. ## math

Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary. log 8x^3=4 can someone list how to do this step by step?i'm having difficulties solving this problem

asked by ashley on October 26, 2018
26. ## Simultaneous equation need help

The following simultaneous equations are written in base two 11x+10y=10001 10x-y=10 solve and live your anser in base two?? plz help tnx

asked by Collins on September 26, 2015
27. ## Math

A neighborhood garden that is 2/3 of an acre is to be divided into 4 equal size sections. Write and solve an equation to find the size of each section. 3/2 x 4/1 = 12/2 =6. But need help in explaning the 6. 6 what?

asked by Leeah on September 28, 2015
28. ## Math Ms. Sue

A carpenter is cutting towels from a piece of wood that is 10 inches long. How many half inch dowels can the carpenter cut? Please help me figure out how to solve this.

asked by Patrick on November 23, 2015
29. ## matm

How to solve integers? You need to be more specific. What about integers? Plesase repost with a particular problem, so we can respond more specifically. It depends on what the mathematical signs (+, -, * or /) tell you to do. I hope this helps a little.

asked by manda on August 28, 2006
30. ## Physics

suppose you have a weight of 60 N. if the earth's mass decreased to one fourth its current mass, with no change in radius, then what would you weigh? Can you please explain how I can solve this problem?

asked by Alexis on January 12, 2015
31. ## ALGEBRA

An investor has \$500 more invested at 7% than he does at 5%..If his annual interest is \$515, how much does he have inested at each rate?....I need to know how to solve this problem...Do I use PRT=I(interest) formula..please someone help me with the

asked by JAY10 on December 13, 2009
32. ## Math - Calc/Algebra/Trig

I'm trying to find all the points on the graph y=4/3cos^3x-cosx where the tangent line is horizontal. I took the derivative, which gave me: -4cos^2(x)sin(x)+sin(x) Now I need to solve it for x and I'm not sure how. Can you help?

asked by Jamie on February 16, 2017
33. ## Trig

Solve the multiple-angle equation. (Enter your answers as a comma-separated list. Let n be any integer. Enter your response in radians.) sec 9x = 2

asked by Ashley on April 15, 2013
34. ## Pre-Calculus

Determine the number of triangles that can be formed with the given information. and if it forms two possible triangles solve all unknown angles and sides Angle A=116 degrees a=10 b=11

asked by DW on April 7, 2013
35. ## physics

A cannon shell is fired up in the air at an initial speed of 225m/s. After how much timeis the shell at a height of 6.20 X 102 and heading down. What equation would be used to solve this?

asked by NeedHelp on February 12, 2011
36. ## Statistics

Hello...I need help with the following question, I have the answer but am not sure how to solve it. Any help would be greatly appreciated. Thank you What is the 'z' value assuming the normal distribution applies in a right-tailed test within area equal to

asked by CJ on July 25, 2010
37. ## Chemistry

Im not exactly sure what how to solve this with the way my teacher asked this question. "For hydrogen atom transitions calculate E, v, and wavelength:" Ni= 1 li= 0 Mli= 0 Msi= -1/2 Nf= 2 Lf= 0 Mlf= 0 Msf= -1/2 E(kj)= ? v(Hz)= ? wavelength(m)= ?

asked by Mary on May 3, 2014
38. ## Algebra 2

Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary. log8x^3 = 4 Can somebody please give me a step-by-step for this? I'm usually good at this but I'm stuck for this one:( Thanks in adv.

asked by Fading on January 14, 2017
39. ## Algebra

I do not the correct steps to solve for this problem. I know I have to first remove the negatives but from there I get confused. This is all the further I could get. Please help. The negative numbers are powers and the problem is a fraction. C-3D-2 C3D2

asked by Tricia on July 25, 2013
40. ## Physics Constant Force question help.

A constant force acting on body mass 5 kg changes its speed from 2 m/s to 7 m/s , the direction of motion remains unchanged, find FORCE. answer is 2.5, but help me solve it, thanks

asked by Shahab Mirza on October 2, 2014
41. ## Algebra

John rented a van for \$250 for the week plus \$.20 a mile. How far can John driveifhe only wants to spend a totalof \$325? Write an inequality. Solve

asked by Joyce on July 19, 2011
42. ## math

Solve the problem. A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream.

asked by anthony on March 20, 2009
43. ## statistic

solve the problem :score a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4 estimate the probablility that among 75 randomly selected students, at least 20 of them score greater than 78

asked by martha on July 21, 2011
44. ## Math

Victoria buys two pairs of sunglasses for \$8 each about how much did she pay for both pairs of glasses round to the nearest ten solve the problem using the four step plan.

asked by Samantha on September 29, 2016
45. ## algebra

Solve the problem.A taxi company charges riders a fixed charge of \$2.30 plus \$1.20 per mile. How many miles must a rider go to have an average cost per mile of \$1.30?

asked by cyntha on May 25, 2014
46. ## Match please

I have a few match problems that I can't figure out. 1.solve: 3x+5=x√7 (that's a radical sign) 2.factor: (2k+3)2-(2x+3)(y-2)-20(y-2)2 (the "2" after (2k+3) ans (y-2) is suppose to be a square sign. thanks if you can help, or even if you can't i ment

asked by Sarah on January 21, 2007
47. ## math

Solve the equation 4x^3 + 32x^2 + 79x + 60 =0 given that the root is equal to the sum of the other two roots. (Hint: set roots as alpha, beta, gamma)

asked by Tan on September 4, 2015
48. ## chemistry

A 2.760 g sample of carbon was burned, yielding 10.120g of carbon dioxide. How many grams of oxygen was taken up by the reaction? What ofrmula would I use to solve this problem?

asked by pat on September 27, 2007
49. ## Physics

I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints

asked by Belinda on October 20, 2011
50. ## Math

My nephew is in the 4th grade and asked me to help him answer this question: Two 6 digit numbers have three 8's and three 7's. no two digits are the same. write the numbers in standard form. and i am not sure how to solve it.

asked by Angelica Almanza on September 24, 2013
51. ## Physics 12

the 3 forces shown act on a object is in equilibrium. F1= 50N (E 60 degrees N), F2= 60N (E 30 degrees S ) Calculate the magnitude of the force F3 and the angle???? How to solve??

asked by Roya on October 19, 2014
52. ## Geometry

△ABC△ABC is equilateral. Two of the sides are 5x + 18 and 4x + 22. Solve for the value of x and then find the side length. ps-Im doing a geometry course for virtualsc and if anyone has the rest of the answers for this quiz that would be great.

asked by Adaron on June 20, 2018
53. ## Physics - acceleration..need to find velocity

I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints

asked by Belinda on October 21, 2011
54. ## puzzled for english

solve these riddle for ur next clue the early bird catches the worm beaty blank nature take blank to the heart these need to make sense

asked by cat on April 4, 2011
55. ## Math

Use the 68-95-99.7 rule to solve the problem. - The amount of Jen's monthly phone bill is normally distributed with a mean of \$53 and a standard deviation of \$11. What percentage of her phone bills are between \$20 and \$86?

asked by Deb on December 11, 2010
56. ## physics

Both threads are now lengthened such that L=1.00m, while the charges q1 and q2 remain unchanged. What new angle will each thread make with the vertical? Hint: you must solve for the angle numerically

asked by someone on June 9, 2016
57. ## Chemistry Help!

When C2H4O2 burns in oxygen, the products are carbon dioxide and water. How many grams of water are obtained from burning 4.76 g of this substance? How would I solve this problem?

asked by wdym on September 19, 2015
58. ## Algebra

Use the square root property to solve for the indicated variable. Assume that the variable represents positive numbers. Express all radicals in simplied form. 2e^2 = 3h, for e

asked by Mindy on October 23, 2011
59. ## physics please help!!

find the temperature of the hot reservoir of a carnot engine that has QH=1575j that does work on a 200kg crate, caussing it to go from rest to a velocity of 2.35m/s along the horizontal frictionless surface. Tc=100K

asked by Claire on June 26, 2014
60. ## health

What are the signs and symptoms of depression in men? A. Overeating or not wanting to eat at all B. Loss of interest in work, family, once pleasurable activities, including sex C. Not being able to concentrate or remember details D. All of the above D?

asked by Aya on August 11, 2012
61. ## Pre Calc

Write a quartic function that has roots that are 3+5i, -4 and 7 and f(-3)=53. I have tried it a bunch of times and can't seem to get it. (x-3+5i)(x-3-5i)(x+4)(x-7) I multiplied them together x^4-9x^3+24x^2+66x-952 I was a little unsure what f(-3)=53 means.

asked by Zach on November 15, 2009
62. ## Physics

My willy bird is 6 inches and has a mass, M, of 2.1kg. During penetration, it reaches a force or 15.0 N with a coefficient of friction 0.75. Calculate its rotational velocity given no respect to time. How much work is done in a thirty second period?

asked by playax0902 on April 7, 2014
63. ## physics

8.01 homework. I have difficulty with question no. 2. all my equations do not work-Rough Surfaces. Also, the period of oscillation got part a the rest is confusing and my answers do not check out. I thought this was a very difficult assignment to say the

asked by Frank on October 16, 2013
64. ## Mathematics

The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. plzzzzzzzzzzzzz helppppppppp on thisssss. On my previous question I even showed my work

asked by Angel on November 16, 2016
65. ## Chemistry

How do I write the formula for the following compounds? 1.potassium permanganate 2.chromium (VI)cyanide 3. tin (II) sulfite 4. vanadium (V)fluride 5. ammonium nitrate Can you help me figure these out i am having a hard time trying to work the problems out

asked by Ashley on December 9, 2008
66. ## Writing-Writeacher

This is still vague to me. What are these "essential life skills"? If you list some (and make them specific), I'll help you work them in. • Re-write: Through their difficult times in college, students will be armed with perseverance and determination

asked by Anonymous on September 16, 2015
67. ## Chemistry, please help!!!

I have to go to work this weekend so I'm trying to get my homework finished. Could you please help me figure out this question? Calculate the mass of 1.00 mol of each of these substances: a.) silicon dioxide (SiO2) b.) diatomic nitrogen (N2) c.) iron (|||)

asked by Kelsi on March 14, 2014
68. ## Biology

A cell is lacking in its supply of amino acids. Which of the following will occur? A- mRNA will not be formed because enzymes may not be present. B- The ribosomes will not work properly because there will be no proteins. C- tRNA may not be able to fulfill

asked by May on January 1, 2015
69. ## Physics

A catapult of a spring constant 100N/M contains 2.0J of elastic potential energy when it is pulled back. What is the extension of the rubber band? I know that E= F/K but I don't know how to work out the force from the information provided, help would be

asked by Holly on November 25, 2016
70. ## english

i need help writing an annotated bibliography, and cite the work. and i don't know how to get started on data-my topic is "why are so many black young mens killing each other. or should i write about sucide commited by yong people

asked by edna on December 6, 2012
71. ## english

do anyone know where i could get information on roles and experiences of women in afghanistan (under Taliban rule) - position in society (economy, politics, religion). also from a reliable website and i am able to reference on my work cited list

asked by lalala on November 3, 2011
72. ## language

The gist of the saying went something like this: If a person wants to get ahead in life, you have to be willing to work for it. Which of the following language conventions is violated in the sentence above? A. Use of a colon B. Verb tense C.

asked by trey on May 28, 2013
73. ## Chemistry

I have to go to work this weekend so I'm trying to get my homework finished. Could you please help me figure out this question? Calculate the mass of 1.00 mol of each of these substances: a.) silicon dioxide (SiO2) b.) diatomic nitrogen (N2) c.) iron (|||)

asked by Anonomous on March 14, 2014
74. ## economics

Take a fast moving consumer good(FMCG) like washing machine detergent . Analyse the factors that determine the demand of this product .present your findings in form of a class work

asked by tuba on June 1, 2019
75. ## CHEMISTRY

1 mole of nitroglycerin decomposes and release 5.72*10^3 KJ heat. to give CO2 H2O O2 and N2. A) write the balanced chemical equation B) calculate the work done assuming the temp of the reaction is 450K

asked by PLEASEEEE HELP on September 22, 2014
76. ## Quoting

does this work for citations George Washington created the Proclamation of Neutrality, which stopped "American ships from supplying war material" to France and Britain during the French Revolution.(Marlin, 3).

asked by Maya on January 19, 2017
77. ## health

What are the signs and symptoms of depression in men? A. Overeating or not wanting to eat at all B. Loss of interest in work, family, once pleasurable activities, including sex C. Not being able to concentrate or remember details D. All of the above

asked by alfosa on August 13, 2012
78. ## Language Arts

which of the following citations in a work cited page uses proper MLA style Please help do today! the examples are Paul, Smith. The Night on the river. New York: Penguin 1987.Print please write it out for me how it should look thanks.

asked by TheGruddyHippo on February 3, 2017
79. ## Math help Please

My willy bird is 6 inches and has a mass, M, of 2.1kg. During penetration, it reaches a force or 15.0 N with a coefficient of friction 0.75. Calculate its rotational velocity given no respect to time. How much work is done in a thirty second period?

asked by Mark on April 7, 2014
80. ## english

George Washington Carver's work on soil improvement and plant diseases helped the South and its recovery from the effects of the Civil War. Is it a simple, complex, or compound sentence?

asked by Anonymous on February 29, 2012
81. ## character education

Cheating on an exam destroys its value to you as a ________________________ . component of your grade requirement for privileges measurement of your progress C? Meeting standards means your work is ________________ . substandard extraordinary acceptable C?

asked by Bri on November 23, 2017
82. ## Math

Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores. I don't think the teacher gave me the correct numbers, this does not work out.

asked by Help on November 18, 2014
83. ## Writing

This is still vague to me. What are these "essential life skills"? If you list some (and make them specific), I'll help you work them in. • Re-write: Through their difficult times in college, students will be armed with perseverance and determination

asked by Anonymous on September 16, 2015
84. ## Health

I have to do a 1 page essay on "Protecting yourself in Public". Now, our teacher just gives us work, she doesn't lecture us. Also I think it is due tomorrow (at least that's what my friend told me), and she assigned it today. So I tried looking on Google

asked by Wenmar on December 6, 2007
85. ## business math

Compute the total amount to be repaidon a \$1920 loan at 8% for 135 days. Base your calculation on exact interest(365-day year). I'm getting \$2335.29. Can you check my work?

asked by Renae on February 21, 2015
86. ## Biology Help Please

A cell is lacking in its supply of amino acids. Which of the following will occur? A- mRNA will not be formed because enzymes may not be present. B- The ribosomes will not work properly because there will be no proteins. C- tRNA may not be able to fulfill

asked by Ayrial on January 2, 2015
87. ## @ Online Students

A student recently posted this. Please heed. "quick backstory; i've been cheating on all of my work except portfolios this whole year cause i'm in online school. but i'm wanting to learn since there's gonna be ACT test in REAL so... please help me on how

asked by Ms. Sue on May 9, 2017
88. ## parent

Complete the following chart with examples of each type of sculpture. Fill in the title of the artwork, the artist, the year made, and the medium. In the last column, determine whether the work is additive, subtractive, or neither. I need an example of how

asked by Anonymous on March 13, 2010
89. ## English Grammar (cover letter)

Revised sentence from an earlier question. Any grammatical errors? My education, communication skills, and international experience in both a study and work capacity prove me a standout candidate for the position.

asked by ann on November 23, 2015
90. ## Art

What twenty-first century technology has allowed artists to reproduce a hard copy of two-dimensional work such as a painting cheaply and quickly? A. Printer B. Camera C. Computer D. Internet Is the answer A? Thank you for the help.

asked by Anonymous on March 12, 2015
91. ## physics- TEST TMRW PLS HELP!

w w w . m e d i a . c h e g g c d n . c o m / m e d i a / a c 3 / a c 3 b b 1 e 1 - 5 b a 8 - 4 1 9 e - 9 a 8 4 -a d 5 0 e 4 6 a 2 9 4 e / p h p s U O o L 3 .p n g (delete all spaces for link to work) Determine the magnitude of the resultant moment

asked by Anya on December 9, 2012
92. ## Algebra 1

2 friends are 60 miles apart. They decide to ride thier bicycles to meet each other. Sally starts from the college and heads east,riding at a rate of 21 mph.At the same time Teresa starts from the river and heads west, riding at a rate of 15 mph. How far

asked by Steve on October 10, 2006
93. ## Chemistry

Consider a system consisting of 2moles CO2 gas initially at 25 deg and 10 atm and confined to a cylinder of cross section 10.0 square centimeter. lt is allowed to expand adiabatically against an external pressure of 1.0 atm until the piston has moved

asked by Rudo Kanukamwe on June 6, 2015
94. ## government correction

Federalism: Which of the following most clearly illustrates federalism? a.maintaining foreign embassies b.appointing Supreme Court justices c.amending the Constitution d.setting utility rates Federalism is defined as: "A system of government in which power

asked by m on November 5, 2006
95. ## Chem-Temperature and Volume Relationships

What condition must be true when conducting temperature volume measurement? Why would a rubber balloon be a poor system for this kind of expirement? The general equation is (P1V1)/T1 = (P2V2)/T2 If V and T are being studied, then P must be held constant.

asked by Chrissy on January 25, 2007
96. ## MATH

The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600-volt station draws 200A from

asked by TOMMY on March 10, 2016
97. ## History

Which of the systems of government claims to be a form of government that supposedly uses a system of laws and administrative practices that are in keeping with the will of a Supreme Being? Check this site for your answer.

asked by Taffy on November 20, 2006
98. ## Science

For a reaction to occur, the energy of the system must meet the activation energy threshold. Which best explains why increasing the temperature increases the rate of a reaction? A) Because more particles spread out away from each other B) Because more

asked by Kaylee on February 15, 2019
99. ## programming

1.which of the following statements allows many branches or alternatives paths? A.IF-THEN; B.ON-GOTO; C. GOTO; D. all of the above. 2.The system command ---- is used to tell the computer to execute the program A.LIST B.EXECUTE C.END D.RUN 3. -----notation

asked by patricia on March 27, 2012
100. ## Science: Space

I'm having trouble finding the answers to these fill-in-the-blank questions: Our understanding of the solar system has changed from an Earth-centered model of ____ and ____ to the sun centered model of _____ and _____. I was thinking for the first 2

asked by Anonymous on May 13, 2015