# 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 651
1. ## Chemistry

Element X has three isotopes Isotope 1 Isotope 2 Isotope 3 Mass 28 29 30 Abundance % 92.18 4.71 3.12 ii)Use the isotope abundances and masses to calculate the relative atomic mass of x. Quote your answer to one decimal place. ii) Identify Element X. Show

asked by 0oooooooo0 on October 4, 2017
2. ## Calculus

The area bounded between the line y=x+4 and the quadratic function y=(x^2)-2x. Hint: Draw the region and find the intersection of the two graphs. Add and subtract areas until the appropriate area is found. I found the intersection points as (-1,3) and

asked by Janet on May 9, 2011

a farmer is rewarded for saving the king. he can either get 1000 gold bars up front or payment over time for 100 days which begins at 2 gold bars the first day, 4 the second, 8 the third, 16 the fourth, and so on. which one should he choose and why. Show

asked by m-cook on August 17, 2009
4. ## Math

A new law requires that 15 of an individual’s income be invested in the stock market. Your accounts show that you need to put \$435 in the stock market this year. How much did you earn this year? \$5,040 \$350 \$504 \$3,500 Refreshing this question, I got

asked by Chloe on February 3, 2016
5. ## US History

For this portfolio project, you will conduct research and examine documents that show the thoughts of both immigrants and people who opposed immigration. You will use the research and primary documents to write an essay in which you answer the question:

asked by Ali on April 24, 2018
6. ## social studies

i need help with the Global Convergence Practice here are the questions 1. Which group in Spanish colonial society filled high government positions? A. Creoles B. Mulattoes C. Mestizos D. Peninsulas 2. Why did France and Great Britain clash in the 1700s in

asked by :) on October 25, 2018
7. ## English

It must be nice," she said. "It must be very nice. I wish women could do such things." "It ain't the right kind of a life for a woman. Her upper lip raised a little, showing her teeth. "How do you know? How can you tell?" she said. "I don't know, ma'am,"

asked by Jess on February 20, 2012
8. ## English

My teacher said to develop this into an essay, I am unsure of how to go about doing that. As we grow up we become more aware of the aspects of life all around us. We recognize the types of relationships we have with people, pain and the intricacies of

asked by Anonymous on December 22, 2010
9. ## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

asked by rebecca on December 13, 2011
10. ## Math

Consider the following experiment. Start by tossing 30 dice.Then remove the dice that show 5s and 6s and toss the remaining dice.Repeat until you have 2 dice remaining. toss # 0 1 2 3 4 5 6 7 8 # of dice 30 20 15 11 8 6 4 3 2 Estimate the best function

asked by Mary on January 17, 2010
11. ## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

asked by rebecca on December 13, 2011
12. ## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

asked by rebecca on December 13, 2011
13. ## algebra

Solve the problem. During a hurricane evacuation from the east coast of Georgia, a family traveled west. For part of the trip, they averaged but as the congestion got bad, they had to slow to If the total time of travel was 7 hours, how many miles did they

asked by Anonymous on January 21, 2013
14. ## statistics

1. Draw a simple random sample of 15 students from your class, and calculate sample mean and sample variance of their heights(use Lottery method ) 2. Three blocks of Coal were analyzed by Four Chemists and the ash-content in the blocks was found to be as

asked by sireesha on June 10, 2011
15. ## chemistry

If 2.1 moles of CaCl2 are dissolved in enough water to make a 0.92-liter solution, what is the resulting molarity? 0.44 M CaCl2 0.70 M CaCl2 2.3 M CaCl2 3.0 M CaCl2

asked by smith on November 7, 2010
16. ## Algebra 2

Factor the polynomial x*x*x-343 Find the real number solution of the equation x^3 = 343 --> x = 7 Put: [x^3 - 343]/[x-7] = A x^2 + Bx + C --> x^3 - 343 = [A x^2 + Bx + C]*[x-7]---> x^3 - 343 = A x^3 +(B-7A)x^2+(C-7B)x-7C A = 1 B = 7 C = 49

asked by Dominique on December 15, 2006
17. ## English

I have to find five poetic devices in this poem. Can you please help me? Weekend Glory Some clichty folks don't know the facts, posin' and preenin' and puttin' on acts, stretchin' their backs. They move into condos up over the ranks, pawn their souls to

asked by Gaveen on February 28, 2010
18. ## english- URGENT

could somebody please look over this outline I made saying how Adrienne rich would view the women in Othello and how they are victims of patriarchy? ESPECIALLY THE THESIS AND HOW TO IMPROVE IT Adrienne Rich defines patriarchy on pg. 57, Of Woman Born, as

asked by sarah on March 4, 2008
19. ## lit

I have to write a modest proposal similar to Jonathan Swifts. Please tell me if I am on the right tack (if there is changes to be made show me where) It is devastating and heart wrenching to see how the world is slowly transforming into a heat machine and

asked by Larry on November 12, 2007
20. ## CHEMISTRY HELP STILL NEEDED PLEASE!!!

Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3. (A) Calculate the equilibrium concentrations of both gases when 4.00 grams of N2O4 is placed in a 2.00 L flask at 25 degrees celcius. (B) What will be the new equilibrium concentrations

asked by Frank on April 22, 2010
21. ## CHEMISTRY HELP DESPERATELY NEEDDED!!!

Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3. (A) Calculate the equilibrium concentrations of both gases when 4.00 grams of N2O4 is placed in a 2.00 L flask at 25 degrees celcius. (B) What will be the new equilibrium concentrations

asked by Frank on April 21, 2010
22. ## CHEMISTRY HELP NEEDED A.S.A.P

Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3. (A) Calculate the equilibrium concentrations of both gases when 4.00 grams of N2O4 is placed in a 2.00 L flask at 25 degrees celcius. (B) What will be the new equilibrium concentrations

asked by Frank on April 22, 2010
23. ## Math

My child's teacher sent out questions to prepare for a big math test. He does not understand the questions well and I can't seem to get him to grasp it. I know the answer but could you show some easy methods or something, thank you! By the way, this is NOT

asked by Miss Johns on December 10, 2014
24. ## College Chemistry

Now the reaction (2NO+2H2==> 2H20+N2) is believed to take place in three steps, the first of which is the fast reversible dimerization of NO to form N2O2, and the last of which (again fast) is the reaction N20 + H2 --> N2 + H2O. So, what is the slow

asked by Crystal on April 17, 2012
25. ## mathematical physics

An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event that a tail occurs on the third toss and C is the event that exactly two tails appears in the three tosses, show that : i) Event

asked by gourav bhardwaj on September 13, 2016
26. ## mathematical physics

An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event that a tail occurs on the third toss and C is the event that exactly two tails appears in the three tosses, show that : i) Event

asked by gourav bhardwaj on September 13, 2016
27. ## social studies

The English colonies in North America were united by all but which of the following: A uniform language based on the London English dialect. Traditional English inheritance laws. An uncomplicated legal system with few professional lawyers. Military

asked by Alisa on September 24, 2006
28. ## Health

True or false: The endocrine system only regulates long term changes in the body? A. True *** B. False Which endocrine gland (s) are responsible for the changes associated with puberty? A. Thymus gland B. Reproductive glands *** C. Thyroid gland D.

asked by Abby on February 27, 2015
29. ## math

how do you solve this problem? 1/2x - 3 = -1 Let me make sure I understand the problem. Do you mean (1/2)x - 3 = -1, i.e. .5x-3 = -1?, or 1/(2x) - 3 = -1 I'm going to suppose you mean the first one. There is one very simple, but very important postulate of

asked by vicki on August 31, 2006
30. ## Social Studies

World War I 1. The alliance system was supposed to prevent war, but it turned a local conflict into a general European war. Why did it fail so badly? 2. World War I cost Germany and other European countries on an economic and a social level. How were

asked by Matthew on March 3, 2010
31. ## Physics

I was given this problem, and are having problems. I am taking AP Physics and I want to be able to understand the concept. Thank you for your help. A block of mass m = 3.65 kg is attached to a spring (k = 27.5 N/m) by a rope that hangs over a pulley of

asked by Rodrigo on October 31, 2014

Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is è = 30.4°, and the charges on the two balls are

asked by T-HUD on June 5, 2012
33. ## Math

Jessica Zelinka, a Canadian heptathlete won a gold medal in javelin throw at the Pan American games in 2007. Suppose h(t)= -5t^2+15t+1 represents the approximate height, in meters, of a javelin t seconds after it is thrown. a) Write a statement that

asked by Munira on July 19, 2011
34. ## chemistry

hey guys im stumped and burning out. Its mid term time. I got 5 midterms and lab test. i think im making this more complex than needed what is 10mg/dL Ca in mEq/L can u show me a simple way using the valence ? My answer doesnt make sense.

asked by Jim_R on February 7, 2010
35. ## Project Management

A Gantt Chart is good for planning but not an effective tool for control. Can you please let me know if it is true or false and why? The answer is "true". See "Advantages and limitations" at http://en.wikipedia.org/wiki/Gantt_chart It tends to give too

asked by BobM on April 22, 2007
36. ## physics

Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is è = 30.4°, and the charges on the two balls are

asked by bossman on June 5, 2012
37. ## physics

Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and are not moving. If the angle which each string makes with the vertical is è = 30.4°, and the charges on the two balls are

38. ## Math

Solve the indefinite integral of 1/sqrt(x^2+2x+5). I solved it all out by completing the square and then trig sub and then drawing a triangle to go back to x variable and got: ln |(sqrt(x^2+2x+5)/2 + (X+1)/2 ) | but the book answer is: ln |(sqrt(x^2+2x+5)

asked by Dave on October 11, 2017
39. ## Physics

A box of mass m with an initial velocity of v0 slides down a plane, inclined at theta with respect to the horizontal. The coefficient of kinetic friction is u. The box stops after sliding a distance x. How far does the box slide? Solve in terms of Vo, u,

asked by Laura on October 13, 2010
40. ## Chemistry

When the equation below is balanced and all coefficients are in the lowest, whole number ratio, the coefficients are: C2H6 + O2 ¨ CO2 + H2O I am currently doing an online worksheet to improve in chemistry and I am not quite understanding how to find the

asked by Anonymous on July 1, 2016
41. ## Algebra

Solve the problem. A rectangle with width 2x + 5 inches has an area of 2x4 + 9x3 - 12x2 - 79x - 60 square inches. Write a polynomial that represents its length. I got x^3+2x^2-11x-12 inches. is this correct? I used long division.

42. ## English

Could you check these sentences on Oscar Wilde's "The Picture..", please? Thank you. 1) In the first chapter Lord Henry was relaxing on a divan smoking. Basil Hallward sat looking at his work smiling. 2) Lord Henry said that the portrait should be

asked by Henry2 on September 3, 2011
43. ## math

Previously you found that a 15-degree counterclockwise rotation centered at(2,1)sends the point(4,6)to another point (x, y) ≈ (2.638, 6.347). The diagram on the right shows the vector v in the same direction as vector [2,5], only with a different length.

asked by mabel on December 6, 2018
44. ## Physics

Abel flicks a 20g marble at a speed of 0.5 m/s. It has one dimensional collision with a 10g bouncy ball, that was initially at rest. After they collide, the bouncy balls speed is 0.5 m/s. What is the marbles post-collision speed? Show whether or not any

asked by Hunter on February 20, 2012
45. ## physics

Abel flicks a 20g marble at a speed of 0.5 m/s. It has one dimensional collision with a 10g bouncy ball, that was initially at rest. After they collide, the bouncy balls speed is 0.5 m/s. What is the marbles post-collision speed? Show whether or not any

asked by Hunter on February 20, 2012
46. ## Math

Someone please explain these! The angle between two planes is defined as the angle between their normals. Determine the angle theta between 0 and 90 degrees between the given planes. a) 2x+3y-z+9 = 0 and x+2y+4 = 0

asked by Alex on April 17, 2008
47. ## Math

Someone please explain these! The angle between two planes is defined as the angle between their normals. Determine the angle theta between 0 and 90 degrees between the given planes. a) 2x+3y-z+9 = 0 and x+2y+4 = 0

asked by Alex on April 17, 2008
48. ## Math

Someone please explain these! The angle between two planes is defined as the angle between their normals. Determine the angle theta between 0 and 90 degrees between the given planes. a) 2x+3y-z+9 = 0 and x+2y+4 = 0

asked by Alex on April 17, 2008
49. ## Health

I have to find out how the excretory system is related to the other following body systems (in parentheses I wrote how i think they are related, but if anyone has a better answer can you please help): Nervous (the adrenel gland sends stress responses?)

asked by Anonymous on June 18, 2006
50. ## World History

1. Which of the following introduces the views of Locke’s thoughts? “Government should leave business alone…” “The royal power is absolute and the prince need render…” “Men are born free and remain free and equal…”

asked by Boberto on February 26, 2016

1. Identify the part, whole, and percent in the following statement: Find 15% of 750. (1 point) part = 750, whole = n, percent = 15 part = 15, whole = 750, percent = p part = n, whole = 750, percent = 15 none of these 2. Write a percent equation that can

asked by Delilah on November 16, 2012
52. ## Chemistry

0.05 L of chlorine gas is bubbled through 0.5 L of 2 M sodium Bromide solution. -What type of reaction is this ? A) Single Replacment B) Double Replacement C) Synthesis D) Decomposition E) Combustion - What product(s) will be predicted for this reaction?

asked by Courtany on November 12, 2014
53. ## chemistry 30a

What volume (in mL) of an 8% w/v acetic acid solution would be needed to form 2.2 L of carbon dioxide gas at 25.2 degrees Celsius and 0.9982 atm? Assume the acid is reacted with excess sodium bicarbonate, and round your final answer to two sig figs.

asked by sara on March 12, 2012
54. ## Chemistry

A 35.0 mL sample of 0.150 M acetic acid is titrated with 0.150 M NaOH solution. Calculate the pH after the following volumes of base have been added: a) 0mL, b) 17.5 mL, c) 34.5 mL, d) 35 mL I've figured out a,b, and c. But at 35 mL the moles become equal

asked by Anonymous on October 28, 2010
55. ## chemistry

Use the table of complex ion formation constants to calculate the molar concentration of free Fe^2+ in 0.510M aqueous solution of potassium hexacyanoferrate(II) K4(Fe(CN)6) at 25 degrees celsius. I know the answer is 1.96*10^-6 m, but I'm at a loss on how

asked by Jacob on March 28, 2017
56. ## MATH

PLEASE HELP ME UNDERSTAND HOW I WAS TOLD TO USE 1.5 (BEING = TO 50%) * MY NUMBER TO ARRIVE AT THE ANSWER, I WAS PREVIOUSLY MULTIPLYING MY # BY 0.50 AND ACTUALLY ARRIVING AT THE SAME ANSWER AS ABOVE...BUT I JUST NOTICE IN SOME OF THE ANSWERS IN THE MATH

asked by EXTREMELY CONFUSED on October 26, 2013
57. ## Chemistry

Regular-strength chlorine bleach is a 5.25% solution of NaClO. how many milliliters of 0.02005 M sodium thiosulfate will be required to reach the equivalence point in the titration of a 1.000ml sample of Bleach by reacting the ClO- ions with I, then

asked by Jen on October 10, 2011
58. ## Chemistry 101

A solution containing 83.100 g of sodium hydroxide [molar mass = 40.0 g/mol] was neutralised using phosphoric acid. Calculate the moles of sodium phosphate formed (assuming that the reaction goes to completion). Give your answer to three significant

asked by Drew on October 13, 2014
59. ## physics

A student uses spring balance of range 500gwt. He records the weight of a small iron cube of mass 100g in air, in tap water and in a concentrated solution of common salt in water. His three readings taken in the goben order are w1,w2,w3 his measurement is

asked by hari on November 24, 2016
60. ## Chemistry

Can u tell me the practical details of how you would prepare 0.5mol/dm3 hydrochloric acid solution from a stock of 34% (w/w) with a relative density of 1.18. Figure the number of moles per liter of the concentrate. Say is is 17 for example sake. You want a

asked by Kimoya Davy on April 13, 2007
61. ## chemistry

The redox reaction: O3SOOSO3^2− + Cr^3+ -> HSO4^− + Cr2O7^2− is carried out in aqueous acidic solution. Which elements are undergoing changes in oxidation state? I thought it would be S and Cr. For the balanced equation, I got 3O3SOOSO3+Cr^3+ + 13H^+

asked by Eddy on March 23, 2011
62. ## Chem

A solution containing hydroxide ions will react with chlorine gas to produce chloride ions, gaseous oxygen, and water. Cl2(g) + 2e- → 2Cl-(aq) O2(g) + 2H2O(l) + 4e- → 4OH-(aq) Write a balanced net ionic equation for this reaction. I'm very lost

asked by Rose on June 14, 2018
63. ## National school

A dilute solution of sulfuric acid is added to 15g of copper and iron mixture. a) write the balanced equation for the occuring reaction. b) the volume of H2 evolved at standard conditions is 4.48L, what is the mass of each of the metals constituting the

asked by Maha on October 27, 2015
64. ## chemistry

Suppose you have the following reaction at equilibrium: N2(g) + 3H2(g) = 2NH3(g), ΔH = −22 kcal/mol What changes are expected to occur if the temperature of the system was decreased. You may select multiple answers. The concentration of NH3(g) would

asked by danny on February 25, 2015
65. ## 11th grade Algebra 2

A retaurant sold a total of 418 largeand small hanburgers during one day. Total hamburger sales were \$1077. Large hamburgers sold for \$3, and small hamburgers sold for \$1.50. Write a system of liner equations can be used to find, l, the numberof large

asked by David Nipp on April 7, 2010
66. ## maths

A box of mass 3 units rests on a horizontal rough surface and is tied to the end of a rope. Peter pulls on the rope and exerts a force of magnitude sqrt(2g) with the rope making an angle of Pi/4 with the horizontal. Given that the box is on the point of

asked by jenny on February 27, 2013
67. ## AP Physics

A bullet of mass 0.0022 kg moving at 568 m/s impacts a large ﬁxed block of wood and travels 5.2 cm before coming to rest. Assuming that the deceleration of the bullet is constant, ﬁnd the force exerted by the wood on the bullet. Answer in units of kN

asked by Noah on October 2, 2012
68. ## in desperate need of help, PRECALC

a driver averaged 50 miles per hour on the round trip between akron, oh and Columbus, oh, 100 miles away. The average speeds for going and returning were x and y miles per hour, respectively. a. show that y=25x/x-25 b. determine the vertical and horizontal

asked by Andy G on January 23, 2014
69. ## Physics

the question is to write down a relationship for the potential energy of a body of mass m, when it is a distance r from the center of mass M and radius R.explain all symbols used and show that if a body is to escape the gravitational influence of the

asked by Anya on December 16, 2008
70. ## Math

two tenths, twice as many hundredths as tenths, half as many hundreds as tenths, twice as many tens as hundreds and three times as many ones as hundredths. Could u show the process pls?

asked by Biofa on January 20, 2016
71. ## Math

equation is J=0.15h J=total cost, h=hats How much would it cost to buy 10 hats? calculate the total cost and show how you got the answer. would it be J=0.15*10 ? thank you

asked by Carla on October 30, 2014
72. ## Careers

Doctors are likely to show what traits of what two occupational codes... A: artistic and realistic B:investigative and realistic C:realistic and social D:investigative and social

asked by School SUCKS <3 on May 13, 2019

Bebo wants 6/10 of floor tiles to be red. If she uses 18 red tiles, how many square tiles will be used to cover the floor. Show an area model

asked by Gail on February 8, 2017
74. ## Algebra 2

I have to use the discriminate to determine the number of answers for the following equation, but my textbook never showed me how to find the discriminate for an equation like this. Could someone show me how to find the discriminate? 9x^2 + 6× = -1

75. ## Writing

Do the words define an differentiate have the same meaning? Because I have to define and differentiate population and community but when I define it doesn't that show the differences between the two words?

asked by Damien on May 19, 2009
76. ## physics

Show that the kinetic energy of two particles with mass m1 and m2 split into the energy of the centre of mass and the kinetic energy of relative motion.

asked by don on March 9, 2015
77. ## social studies

1.The Aztecs adapted to their environment mainly by A.using terracing and irrigation to farm. B.living a nomadic hunter-gatherer lifestyle. C.trading peacefully with neighbors.(I PICK THIS) D.settling along the coasts where they could fish. 6.What feature

asked by Matt on January 23, 2014
78. ## u.s. history

. In 1840 the population of chicago was only 4,470. by 1990 the city's population was 1, 698,575 which factor best explains the population change A- the constructuion of railroads connecting northeastern cities and Midwestern farms B- the reduction in

asked by Anonymous on February 23, 2016
79. ## History

1. In 1840 the population of chicago was only 4,470. by 1990 the city's population was 1, 698,575 which factor best explains the population change A- the constructuion of railroads connecting northeastern cities and Midwestern farms B- the reduction in

asked by Amanda on February 13, 2015
80. ## geography

russians today can choose from among: A)20 to 30 newspaper and journals B)10,000 newspaper and journals C)1,000 newspaper and journals D)three newspaper my choice is b under soviet system the government: A)controlled all forms of communication B)allowed

asked by henry on September 2, 2009
81. ## physics

A hot stell ball of mass 1 kg is dropped into a 4 L bucket of water at room temperature (70 degrees F). If the system reaches an equilibrium temperature of 320 K, what was the initial temperature of the steel ball before it was dropped into the water? Cp

asked by Meghan on March 19, 2011
82. ## Physics

A charge q1 = 5.00nC is placed at the origin of an xy-coordinate system, and a charge q2 = -2.00nC is placed on the positive x axis at x= 4.00cm . If a third charge q3 = 6.50nC is now placed at the point x= 4.00cm , y= 3.00cm find the x and y components of

asked by Molly on September 7, 2014
83. ## english

Which one of the following sentences containes an unnecessary comma. A. We had to decide among steak, lobster, and pork roast. B. Before we could enter the building, we had to show our identification badges. C. The car that was used as a demonstration in

asked by mubashir on July 22, 2006
84. ## physics

A person has far points 8.44cm from the right eye and 12.2cm from the left eye. WRite a presciption for the powers of the corrective lenses. Please help i tried to read to book and my notes but it doesnt show how to do this problem.

asked by beth on May 24, 2007
85. ## maths

expand and simplify:2(x+2)squared-(2x-1)(x+2) 2x(x-2)+5x(x÷3)-x(3x-1) (5x-3)(2xsquared+3x-3) solve for x:(x-2)squared+3x-2=(x+3)squared

asked by dimpho on August 25, 2015
86. ## math

i)use the substitution u=2^y to express the equation 3(2^y-1)=2^y+4 as a linear equation of u ii)hence solve the equation 3(2^y-1)=2^y+4

asked by carolina on March 22, 2016
87. ## math

Solve for x: [Sixth root of 27]+[cube root of x] = 6/(3-[square root of 3]

asked by Sidney on February 14, 2011
88. ## Precalculus

Solve the equation 2sin^2(theta)+3sin(theta)+1=0 for theta.

asked by anonymous on April 14, 2013
89. ## Finance

Solve for x. 10000 = 2500(1.0425)^3 + X(1.0425)^2 + 3500(1.0425)^1

asked by Lance on October 26, 2009
90. ## Math

How do you solve this. The answer is suppose to be 8x+5 and when I do the problem my answer is nowhere near the correct answer. 5{x-(3-x)+4}-2x

asked by Martha on February 10, 2010
91. ## Math

I am having problems understanding how to solve problems like the following: a2 + b2 = c2 Please help me where I can understand solving problems such as the one above.

asked by Jasmine on March 30, 2009
92. ## Algebra

please help me with this question. please explain this question to me and how you got the answer to the question. Solve the inequality. > 10 A. y < –16 B. y > –60 C. y > 4 D. y < –60

asked by Amber on July 29, 2014
93. ## Calculus

log (base 3) x^2 = 2log(base 3)4-4log(base 3)5 And I need to solve for x.

asked by Mona on July 6, 2015
94. ## finance

solve for x 10000 = 2500(1.0425)^3 + X(1.0425)^2 + 3500(1.0425)^

asked by Lance on October 27, 2009
95. ## Math

log(base5)x+log(base25)x+log(base125)x=33 solve for x

asked by Reina on March 18, 2012
96. ## Math

Please help. We have to use these digits to solve the two numbers - 2, 9, 4, 3, 6, 7. The difference between the two numbers is 377. What are the two numbers?

asked by Anonymous on November 18, 2014
97. ## Geometry

Solve for x: measure of AOC= 7x-2 measure of AOB= 2x+8 measure of BOC= 3x+14

asked by Colette on September 12, 2010
98. ## maths

how to solve x for 12(log x)^2-14log(x)+2=0 i don't know how to factor out log and log x^2

asked by lewis on October 25, 2009
99. ## maths

solve the following equation by completing the square x(square) - 4(square root 5)x =6 = 0 Then x= or x=