# 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 684
1. ## Math

The math question is "in a piggy bank there is a total of \$15.75. If the ratio of dimes to quarters is 5:7, find the total amount in quarters. My question is, what formula would I use to solve this?

asked by michelle on February 19, 2015
2. ## Algebra

Can you pleas Solve the quadric equation step by step 4x square =13x+2 4x^2 = 13x + 2 subtract 13x and 2 from both sides 4x^2 - 13x - 2 = 0 Now use the quadratic formula, since it does not factor.

asked by Tony on April 11, 2007
3. ## algebra

Kim spent a total of \$100 for a laptop and 4 blank cds. The cost of the laptop was \$92. Write and solve an equation to find, c, the cost of each blank CD

asked by Anonymous on October 22, 2012
4. ## Math

Ellory budgets at most \$20 each week for lunch. She has spent \$17.75 so far this week. Write and solve an iequality to determine how much more Ellory can spend and stay within her lunch budget.

asked by Betsy on December 5, 2012
5. ## algebra

Find the value of x for the area of the triangle that is 12cm sq. The base is 2x+2 and the height is x. Solve this equation: (1/2)(base)(height) = (x+1)x = 12 x^2 + x -12 = 0 That equation is factorable. Take the positive root. (One of them will be

asked by Laura on April 25, 2007
6. ## trig

a plane is flying at an altitude of x with the distance at 800 meters with an angle of 70 degress. what equation would you use to solve. tan70= x/800 tan70= 800/x sin70= x/800

asked by tom on January 26, 2011
7. ## Math

A stores dressing room has a limit of 10 garments per customer if Carroll has at least three comments below the limit how many Carmine’s does she have in her dressing room. Write and solve an inequality

asked by Jam on January 9, 2019
8. ## math

Have 2 questions: 1. Factor Trinomial competely x^2 + 8x + 53 (reads as x squared plus 8x plus 53) I am thinking it is prime. 2. Solve 4x^2 + 23x - 30=0 (reads 4x squared plus 23x minus 30 equals zero

asked by Lynne on November 1, 2010
9. ## Algebra 2

-2/3x + 3

asked by Daren on January 22, 2007
10. ## Physics

A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity. Can someone please solve this?

asked by Jess on October 20, 2010
11. ## ap calc

Each of the following parts relates to finding the area underneath the curve , from x = 1 to x = 3. D. Set up, but do not solve, the Riemann Sum which expresses the exact area underneath the curve.

asked by Billy on December 23, 2017
12. ## find the polynomial

degree 4 zeros i & (1+i) constant term 12 How do I start this problem. Thanks A degree four polynomial will have the form (x^4 +... x + c), where c is a constant. You will need to generate an equation that has the above form, using c=12. Solve for the

asked by Jen on February 1, 2007
13. ## Math

"Find the area of a rhombus with sides of length 10 in. and longer diagonal of length 16 in." and Also, how do you solve the problem "Find the area of a regular decagon with radius 4 cm."

asked by Celina on June 9, 2013
14. ## math

I have the problem ((square root of h^2+4h+5)-(square root of 5))/h. I am supposed to be finding the limit as h approaches 0 from the right. We are supposed to solve it algebraically and I believe I should be using a the conjugate but I am not exactly sure

asked by Nat on July 9, 2013
15. ## math

Paul needs 2 1/4 yards of fabric to make a tablecloth. How many tablecloths can he make from 18 1/2 yards of fabric. Define the variable write the equation solve and label.

asked by obama on November 7, 2010
16. ## hsa practice

Stephanie scored 88, 70, 84, and 72 on her first four science tests. What score does Stephanie need on her fifth science test to receive a mean score of 80? can you give me the steps to solve this im practicing for hsa

asked by anonymous on May 18, 2013
17. ## Math

Chen’s father was 25 when Chen was born. In 5 years Chen will be exactly half his father’s age. a. Try to figure out how old Chen is now. Describe how you got your answer. b. Now solve the problem using equations.

asked by Michelle on September 30, 2013
18. ## Math

1)Write a quadratic equation with integer coefficients that has -4+7i(Radical 3) and -4-7i(Radical 3) as its roots. 2) Solve your answer to part 1 using the quadratic formula verifying your answer

asked by Jason on December 11, 2008
19. ## math

There is one coach for every 12 players. How many coaches will be needed for 48 volleyball players? Use a bar diagram to solve. (I know the answer is 4 coaches, but I don't know how to draw the diagram for the problem)

asked by Angelina on November 4, 2015
20. ## Physics

PROJECTILE LAUNCHED FROM EARTH'S SURFACE? A projectile is shot straight up from the earth's surface at a speed of 1.20×10^4km/hr. How high does it go? (answer in km) Supposed to solve this using F=G(mm/2r)...?

asked by Dan on April 12, 2011
21. ## Precalculus

Okay I posted this before but I am still not sure. How would you solve for M? The resultant of two forces acting on a body has a magnitude of 80 pounds. The angles between the resultant and the forces are 20° and 52°. Find the magnitude of the larger

asked by Hanson on August 9, 2011
22. ## math

•Explain how writing 2x-5 with positive exponents is similar to writing 2x-3/4 with positive exponents. Post a problem involving a rational exponent for your classmates to solve.

asked by nina on November 8, 2016
23. ## Algebra

solve each inequality algebraically and give the answer by using interval notation. 5-9y

asked by Chad on November 8, 2009
24. ## Math

Elizabeth pumps 3 1/2 gallons of gas in 1/4 of a tank. How many gallons does a full tank hold? Write an expression to represent the problem. Solve the problem.

asked by Amy on February 9, 2016
25. ## Math

Chen’s father was 25 when Chen was born. In 5 years Chen will be exactly half his father’s age. a. Try to figure out how old Chen is now. Describe how you got your answer. b. Now solve the problem using equations.

asked by peter on September 30, 2013
26. ## Algebra

Write a real world problem that you can model with the two step equation 5x+7=10. Then solve the problem. I understand that the answer is 3/5, but how would I put this in a real world situation?

asked by Fading on September 29, 2016
27. ## Chemistry 101

The distance from the Earth to the sun is approximately 9.37 x 10^7 miles. How long does it take for light from the sun, to reach the earth? Speed of light is 3.00 x 10^8 m/s. Use dimensional analysis to solve.

asked by Lilly on January 21, 2016
28. ## math

draw a model to solve the division problem. The problem is 1 1/2divided by1/4= so I know you make 1 1/2 into3/2 3/2*4/1=6 I know how to do that part but have no idea how to draw a model for it, can you explain it? Thank you

asked by E6 on October 22, 2014
29. ## computer or math

pls help me to solve this question. thank you very much binary-decimal conversion a.101= b.1100= c.100110= d.111111= decimal binary conversion a.1216 10 b.2121 10

asked by jessie on May 5, 2011
30. ## maths

I will be greatfull if you help me to solve the below problem: The minute hand of a clock is 12cm long. Find the area of the surface of the clock described by the minute hand in 35min.

asked by Ramesh Reddy on August 21, 2011
31. ## Math

Suppose dasha has 217 grams of sand in the bucket and 146 grams of shells. What is the mass of the sand and the shells? Write an equation to solve.

asked by Esna on April 27, 2017
32. ## Math

Elizabeth pumps 3 1/2 gallons of gas in 1/4 of a tank. How many gallons does a full tank hold? Write an expression to represent the problem. Solve the problem:

asked by Amy on January 23, 2017
33. ## Math

I need help with this question, it says to find the instantaneous rate at distance t = 6s with the given graph First of all, it is a linear line, do i need to find the equation of the graph? After finding the equation, i plug in 5.99 and 6.01? and solve ?

asked by Melinda on December 4, 2011
34. ## Math

Solve the problem. Round to the nearest unit. 584 is 12.2% of what? I got 47.868852459016 (on the calculator) Just wanted to know if I rounded to the nearest unit correctly. When I rounded I got 4787?

asked by Becky on May 29, 2010
35. ## Calculus

find the intervals on which f is increasing and decreasing f(x)=(x-2)/(X^2-x+1)^2 I found the derivative a got a whole mess of things: ((x^2-x+1)^2-2(x^2-x+1)(2x-1)(x-2))/(x^2-x+1)^4 Do I have to use the quadratic formula to solve for the vertices to find

asked by Maddy on October 2, 2016
36. ## geometry

Write and solve an equation to answer the question. Round your answer to the nearest tenth of a percent, if necessary. 140 towns is what percent of 1940 towns

asked by kim on December 2, 2011
37. ## Calculus

1.Evaluate: (1/(x*sqrt(x^2-4)) I know the answer is -1/2*arctan(2/sqrt(x^2-4)), but I am having trouble getting to this answer on my own. I know the formula to solve it is 1/a*arctan(x/a) and that a=2, but that's all I know. 2.Find the limit of x^((ln

asked by Sandy on February 6, 2009
38. ## Math

A scuba diver dives to a depth of 50 feet, then rises 15 feet, sinks 12 feet, then rises 20 feet. Write an expression to describe this situation. Then solve it.

asked by Amelia on September 3, 2015
39. ## Math

Megan's dog Sparky eats 4 1/4 c of food each day. Explain how Megan can determine how much food to give Sparky if she needs to feed him only 2/3 as much. Solve the problem.

asked by Mike on February 6, 2014
40. ## Chemistry

1. When the hydrochloric acid is added to the calcium carbonate, will there be an excess of HCl(aq) or CaCO3(aq) or will there be stoichiometric equivalents of the two? Show your calculations. 2. In this lab, you will use a 50mL buret and ~0.3M NaOH (aq).

asked by Doug on October 11, 2017
41. ## English

1. Why would an author use other words like adolescent, teen, or young people just to describe minor? 2. How do you correctly punctuate sentences containing documented evidence? 3. From this thesis statement , what topic can you form out of it: Some people

asked by Amy on October 17, 2014
42. ## Early Childhood

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A.

asked by Tum on November 29, 2015
43. ## Curriculum Areas

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A.

asked by Anonymous on December 3, 2015
44. ## Creative Activities in Other Curriculum Areas

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A.

asked by Anonymous on December 2, 2015
45. ## Please answer this question as soon as posibble

I did the paraphrases for the story is it the correct way. Lifeguard Assignment Chris doesn’t like children, but he works as lifeguard at the Brigeland Community swimming. He does not like children a lot, but he is working as a lifeguard at the Brigeland

asked by sarah on May 22, 2013
46. ## Math

One student studied for 8 years in college and her tuition bills are recorded. Years. One semester tuition 1. 4680 2. 4960 3. 5510 4. 6060 5. 6845 6. 7600 7. 8435 8. 9250 Construct the scatter plot for the data with the scales.choose 3 points,find a

asked by Praphul on December 15, 2012
47. ## Math

Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n

asked by Anonymous on July 10, 2012
48. ## math Ms. Sue please

3. Which of the following examples would show a negative trend? (1 point) height and weight of students test scores and height of students outside temperature and heating bill none of these Is the answer " test scores and height of students"?

asked by Delilah on March 15, 2013
49. ## statistics

In a show the rate of an adult pass is Rs. 20 more then the children pass. when a company sold 50 adult passes and 200 children passes,the amount collected is rs.2250. find the price of an adult pass?

asked by rabia on March 12, 2011
50. ## physics - repost

A water balloon is fired at 34.0 m/s from a water cannon, which is aimed at an angle of 18° above the ground. The center of the cannon's target (which has a radius of 1.0 m) is painted on the asphalt 42.0 m away from the water cannon. will the balloon hit

asked by anonymous on May 1, 2019
51. ## geometry

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing ***Show steps please I need this by tomorrow***

asked by Maria on October 19, 2014
52. ## statistics

In a show the rate of an adult pass is Rs. 20 more then the children pass. when a company sold 50 adult passes and 200 children passes,the amount collected is rs.2250. find the price of an adult pass?

asked by rabia on March 12, 2011
53. ## math

Julia works at a music store. One of her jobs is to stock new CDs on the shelf. A recent order arrived with 215 classical CDs, 125 jazz CDs and 330 soft rock CDs. Julia needs to place the CDs on sale racks with 5 CDs in each group. Write two different

asked by silvy on April 3, 2016
54. ## math/algebra

1. Which of the following inequality signs would make a true statement if it replaced the question mark in the following equation? 3− 5?− 3 A. < C. ≤ B. > D. = 2. Solve the inequality −4y + 6 2 C. y ≤ 5 B. y < 5 D. y > 5 4. At a baseball game,

asked by student-visitor on December 6, 2010
55. ## statistics

An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 24.9 years of age. If the standard deviation is assumed to be 4.9 years, find the probability that a random sample of 33 U.S. women would

asked by jennifer on July 7, 2012
56. ## statistics

An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.1 years of age. If the standard deviation is assumed to be 4.6 years, find the probability that a random sample of 34 U.S. women would

asked by Kay on March 5, 2013
57. ## STATISTICS

An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 24.9 years of age. If the standard deviation is assumed to be 4.9 years, find the probability that a random sample of 33 U.S. women would

asked by judy( Help needed ,Please!? on July 7, 2012
58. ## statistics

An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 24.9 years of age. If the standard deviation is assumed to be 4.9 years, find the probability that a random sample of 33 U.S. women would

asked by jilla on July 7, 2012
59. ## physics

I neeeeeeeeeed helppp pronto, Measurements show that a honeybee in active flight can acquire an electrostatic charge as great as 93.0 pC a. how many electrons must be transferred to produce this charge? b.suppose 2 bees, each with a charge of 93.0pC, are

asked by natash on September 10, 2007
60. ## Statistics

An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.9 years of age. If the standard deviation is assumed to be 4.3 years, find the probability that a random sample of 32 U.S. women would

asked by Casey on October 7, 2013
61. ## statistics

An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.6 years of age. If the standard deviation is assumed to be 4.1 years, find the probability that a random sample of 30 U.S. women would

asked by statistics student on October 4, 2013
62. ## chemistry

what type of substance would be best for use in a heating system? a. a solid with a high specific heat b. a liquid with a high specific heat c. a liquid with low specific heat d. a gas with a low specific heat

asked by izabela on May 31, 2018
63. ## chemistry (moles)

2.5g of a mixture of anhydrous BaOH and BaCl2 was dissolved in distilled water and made up to 250cm3. 20cm3 of this solution required 19cm3 of 0.1moldm3 of dilute nitric acid for complete reaction. Calculate the percentage by mass of BaCl2 present in the

asked by joseph on January 21, 2016
64. ## Math.. check answer please

Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts. Include either an example from the text or one of your own to explain the solution process. my answer is : you could

asked by scooby91320002 on November 4, 2008
65. ## chem-help pls!

When 0.975 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 400C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. Hrxn, for the reaction of CaO(s) +

asked by Anonymous on February 25, 2008
66. ## Maths need help trigonomentery

Two circular flower beds have a combined area of (29¥)/2m^2. The sum of the circumferences of the flower beds is 10¥m. Determine the radius of each bed........ Happy new year to all mrs sue steve,reiny,damon...and to all my jishka helper i need help plz

asked by Collins on December 31, 2015
67. ## Science

The solubility of potassium nitrate is 40 at 30 degree celcius. Calculate the mass of water required to make a saturated solution by dissolving 15 gram of potassium nitrate at that temperature. Could u guys help me to get answer of this question. Plz help

asked by Dõniyā on March 29, 2016
68. ## Chemistry

A .288 g sample of an unknown monoprotic organic acid is dissolved in water and titrated with a .115 M sodium hydroxide solution. After the addition of 17.54 mL of base, a pH of 4.92 is recorded. The equivalence point is reached when a total of 33.83 mL of

asked by johnny on June 8, 2008
69. ## World History

Analyze the ways in which interdependence has affected both developed and developing nations. In your answer, be sure to use examples and evidence to explain the benefits and risks facing each type of nation. In your analysis, evaluate a problem that

asked by Bill on April 13, 2019
70. ## ap chem

NH3 + H20 NH4+ + OH- this is aqueous solution. In 0.0180 M nH3, THE [OH-] is 5.60 X 10^-4 M. it is assumed that the volumes are additive. Determine the value of the base ionization constant, kb, for NH3. i am not sure how to approach this problem. i don't

asked by rav on May 2, 2010
71. ## Analytical chemistry

The hydrogen sulfide in a 79.168 g sample of crude petroleum was removed by distillation and collected in a solution of CdCl2. The precipitated CdS was then filtered, washed and ignited to create CdSO4. Calculate the percentage of H2S in the sample if

asked by Sam on January 28, 2016
72. ## chem check

The vapor pressure of a solution prepared by mixing two liquids, R, p*=80mmHg, and S, p*=120mmHg is found to be 86 mmHg when X_r=0.4. Which of the following is correct about these solutions? A) exhibit favorable interactions B) are partially miscible

asked by Anonymous on December 7, 2016
73. ## Chemistry

Which of the following solutes in aqueous solution would be expected to exhibit the smallest freezing-point lowering (assuming ideal behavior? 0.1 m NaCl .2 m CH3COOH .05 m Al2(SO4)3 .1 m MgCl2 .25 m NH3 What would be the steps to picking the right option?

asked by Marcus on February 19, 2013
74. ## Chemistry

A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), respectively, at 25˚C. The standard reduction potentials are: Pb2+ + 2e- --> Pb E˚=-0.13 V Cu2+ + 2e- --> Cu E˚=+.34 V If sulfuric acid is added to the Pb(NO3)2

asked by Anonymous on February 13, 2010
75. ## math

The are of a rectangular athletic field is represented by the expression 12y^3+48y^2+24y square meters.write an algebriac expression to represent one possible set of dimensions (in the same sense''length times width'')of the althetic field. include the

asked by Nick on February 10, 2011
76. ## chem check

The vapor pressure of a solution prepared by mixing two liquids, R, p*=80mmHg, and S, p*=120mmHg is found to be 86 mmHg when X_r=0.4. Which of the following is correct about these solutions? A) exhibit favorable interactions B) are partially miscible

asked by Anonymous on December 7, 2016
77. ## Chemistry

I tried working this question out with the help already provided, but I couldn't ever get the right answer. If you could possibly explain how to do the problem step by step and include the right answer, I'd greatly appreciate it. Thanks! What mass of

asked by Madison on March 13, 2014
78. ## chemistry

suppose that a large volume of 3% hydrogen peroxide decomposes to produce 12mL of oxygen gas in 100 s at 298 K. Estimate how much oxygen gas would be produced by and identical solution in 100s at 308 K hi can you please help me set up this problem, then I

asked by Chloe on August 6, 2015
79. ## Math

The area of a rectangular athletic field is represented by the expression48x^4+32x^3-72x square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct

asked by donnice on September 4, 2011
80. ## physics

At an instant when a particle of mass 80 g has a velocity of 25 m/s in the positive y direction, a 75g particle has a velocity of 20 m/s in the positive x direction. What is the speed of the center of mass of this two-particle system at this instant?

asked by ATT on March 31, 2018
81. ## math 4th grade

what is 8 to the 5 power? i know its hard. but you don't have to answer it. thanks a lot! 32768 85 means 8*8*8*8*8 = >>? I assume you can do this on a calculator. Did you know the there is a web site that can do this for you. Go to www.google.com (if you

asked by Adam on November 15, 2006
82. ## Immigration

Who were the Canadian immigrants? Why did these people immigrate to Canada? What are the positive and negative impacts of immigration on Canada and the United States? Please tell us what you've learned from your book and your research. We'll be glad to

asked by Amanda on November 15, 2006
83. ## CRT/205

I am having trouble with my home work assignment. My question for you is: I am supposed to outline the premise's of each argument. But I am confused about how to locate the premise? This is my argument: since it is very nature of terrorism not only to

asked by Nikol on April 18, 2010
84. ## physics

a 1200 kg car going 30 m/s applies its brakes and skids to rest. if the friction force between the sliding ires and the pavement is 6000 N, how far does the car skid before coming to rest. I know the ans is 90 m what work/energy formula should i use to get

asked by edwin on February 11, 2010
85. ## Biology

Explain the processes that take place in the stroma including the reactants going in and the products produced from these processes in (a) bright sunlight and in (b) darkness. (c) What happens over an extended period of darkness of many days? I don't

asked by Anonymous on October 30, 2015
86. ## Physics

A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a round about of radius 100 m. However, he moves on the circular path for one and half cycle and then he moves forward

asked by Deepak on August 6, 2018
87. ## mechanical principle

1. A fly wheel with a mass of 50 kg is accelerated by an electric motor from rest to an angular velocity of 120rads/s in 14 seconds, if the value of k is 0.3m and there is a frictional torque of 0.07Nm calculate the torque applied, total work and the power

asked by muz on April 17, 2017
88. ## chem

K2CO3 is an excellent drying agent for some classes of organic compounds. would it be a better choice for an acid (RCO2H)or an amine(RNH2)? why? i know this is RNH2. could it be explained that potassium carbonate itself is basic so it will make water and a

asked by Jason on October 28, 2008
89. ## Chemistry,

I reall need help, i know what formulas to use i just don't know how to do it. Can some one please work with me to get to the correct answer? 1.The air in a dry, sealed 2L soda bottle has a pressure of 0.998 atm at sea level at a temperature of 34C. what

asked by Courtney on April 6, 2010
90. ## Math

Calculate the slant height for the given square pyramid. Round to the nearest tenth. Pyramid base= 6cm Height= 5cm 6.2 cm 5.8 cm 7.8 cm 7.2 cm I am usually very good at solving these kinds of problems but I cant focus on anything right now and I keep

asked by Alanna on February 24, 2016
91. ## Physics

A rubber ball filled with air has a diameter of 25.0 cm and a mass of 0.540 kg. What force is requiered to hold the ball in equilibrium immediately below the surface of water in a swimming pool? Start equation out by using sumF = ma Answer is 74.9 N I just

asked by Daniel on November 11, 2010
92. ## Science/History

On my previous post at 3.22pm (& 3.29pm) pm I asked what famous scientists did Isaac Newton work with. Unfortnately no-one has answered and I have been unable to find a website that tells me. I have come across Edmund Halley name linked to Newton's would

asked by Janey on February 3, 2010
93. ## Math

A manufacturer estimates that the profit P from producing x units of a commodity is P=-x^2+40x-100 dollars per week. What is the maximium profit he can realize in one week? I was going to take the derivative of the equation and set it equal to 0 and then

asked by Hannah on February 26, 2011
94. ## physics

1100g of ice at -50C is mixed with 100g of steam at 120C. Find out how much ice melts? The implied final temperature is 0C. Cice=0.5 Csteam=0.46 Hv=539 Hf =80 here is my work 1100(0.5)(0+50)+80m = 100(0.46)(120-0)+540(100) i am not getting the right answer

asked by jeff on December 5, 2009
95. ## Physics.

Bob hits a hockey puck with his stick. What forces are acting on the puck DURING THE ACTUAL HIT? a = weight b = friction c = tension d = forward force e = normal force Write down every letter that applies (in order) and without using any commas. my work:

asked by Rose Nicol on October 23, 2014
96. ## Math- check my answers pls

Find the area of blue portion of the irregular shape to the right. Round to the nearest tenth. connexus . com /content/media/642756-212012-23145-PM-1090153268.png i'll upload to imgur if it doesn't work A. 2.7 in2 B. 9.7 in2*** C. 3.4 in2 D. 8.3 in2 i

asked by ijijijijij on January 30, 2015
97. ## Math plz fast i really need it

Archie rolls two number cubes each with sides numbered 1 through 6 he then finds the sum of the numbers on the tops of the cubes which two sums have the same probabillity? A. 3 and 4 B. 5 and 9 C. 5 and 8 D. 10 and 12 i need the work involved and i have

asked by Angel on February 21, 2013
98. ## physics

a medtech student pushes a 30kg carton of books across the floor of her dormitory by exerting a constant force of 185 N at an angle of 37 degrees with the horizon. If the opposing force of friction is 70 N, how much work does she do as she moves the carton

asked by yumi on March 2, 2012
99. ## Math

chris cuts half a rectangular lawn, 40m by 30m, by mowing strips of equal width around the perimeter. Jerri cuts the small rectangle left. How wide a stripe does Chris cut so they share the work equally

asked by Annie on November 24, 2014
100. ## Math

Triangle AOB has vertices A(4,4), O(0,0), and B(8,0). EF right bisects AB at P. GH right bisects OA at Q. Determine the coordinates of the circumcentre of triangle DEF. I really need help, please. Today, my teacher just gave us all this work for over the

asked by Katja on October 12, 2007