# Algebra, help + check please

106,899 results, page 87

1. ### algebra

Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6 algebra - Ms. Sue, Tuesday, October 27, 2009 at 5:44pm 2 * 6 = ? algebra - Jarod, Tuesday, October 27, 2009 at 5:59pm Sorry it is 12 so would I 6x2=12 or 6*2=x x=12
2. ### Physics waves- check answers please

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b) amplitude c) density d...
3. ### Physics waves- check answers please

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b) amplitude c) density d...
4. ### Physics waves- check answers please

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b) amplitude c) density d...
5. ### math

Use algebra pieces and mental arithmetic to determine four consecutive odd numbers who sum is 64. Sketch and label your algebra piece model and explain how you solved the problem.
6. ### Algebra (check my work?)

1. Write a proportion using an unknown value x and the ratio 5:6 then solve it. 5/6 = x/12 6 * 2 = 12 5 * 2 = 10 x = 10 2. In an orchestra, the ratio of trombones to violas is 1 to 3. There are 9 violas, Write a proportion that gives the number t of trombones in the orchestra...
7. ### history

What vital right did the Spanish allow the Western farmers? Answer: It was that Spain allowed Americans to travel on the lower Mississippi to New Orleans and to ship their goods. "cORRECT right??" mmhmm Can you help me out with this one???? Did you ever find my work yet? I ...
8. ### English-A Raisin in the Sun

In the book A Raisin in the Sun, what does Walter think about George Murchison? Please check my answer: Is this correct: Walter is jealous of George. He's jealous that George has been to New York and he hasn't. He's jealous of George's trendy and impressive clothing, which he ...
9. ### Spanish

Please check-I have to rewrite with an indirect object pronoun 1. Escribo una carta a mi abuela. Rewritten as :Le escribo una carta a mi abuela. 2.Mando una tarjeta postal a mis amigos. Rewritten as:Les mando una tarjeta postal a mi amigos.
10. ### algebra

show how to solve these problems: 1. 6x - y = -4 2x + 2y = 15 answer:x = 1/2 y = 7 2. x +y = 1 x = -1/3 2x - y = -2 y = 4/3 3. x - y = 3 x = 5/2 6x + 4y = 13 y = - 1/2 I just need to know how to solve these problems. Please show me how it is done.
11. ### algebra

Simplify x / 6x - x^2 Please show me how you did it so i can understand! Another one, Simplify x^2 - 3x - 18 / x + 3 This is a fraction Another one, k + 3 / 4k - 2 (this is a fraction) * 12k^2 + 2k - 4)
12. ### Physics

Will you check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? -(12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? -(48kg/m/s) / (4m/s) =12 kg A 1-...
13. ### physics

Will check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? -(12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? -(48kg/m/s) / (4m/s) =12 kg A 1-kg ...
14. ### English

Could you please check these sentences? Thank you. 1) Prospero lost his dukedom because of a plot set up by his wicked brother Antonio together with the king of Naples. 2) Prospero is not native to the island. 3) Thanks to his magic art Prospero subdued (made slaves of/...
15. ### Early Child Ed.

Would you please check these questions and my answers? I posted these yesterday,but,I wanted to repost to get others input. If you don't agree with my answers, please let me know which ones I need to recheck. 1. The concept of "goodness-of-fit" would be most useful in: A. ...
16. ### Algebra Functions

I don't know how to simplify the following functions (I get the asnwer right, but I don't know the steps!) f(x) = 4x^2 - 12x / x^2 + x - 12 Please e-mail me: Katiewallin86@yahoo.c0m if you can help me with a few more problems, too. Thanks so much! The top can be factored into ...
17. ### algebra

Annual profit in thousands of dollars is given by the function, P(x) = 100*sqrt(x – 5) + 3000, where x is the number of items sold, x ≥ 5. 3. Find the profit for 6 different values of x (show your work). PLEASE use x = 5, 69, 105, 230, 366, and 489 and make a table ...
18. ### Spanish-SraJMcGin please check

1.¿Comó te sentiste ayer? Yo sentí muy bien. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a la tienda. 4. ¿Visitaste a tu familia la semana pasada? Sí, yo visité mi familia la semana pasada. 5. . ¿Donde estudiaste ayer? Yo estudié ...
19. ### Social Studies

What do Canada and France import and export with each other? Please help me find LOT'S of info on this topic, and please don't give me some sites that don't have much info. Please help me...
20. ### SCIENCE HELP PLEASE PLEASE

Post a New Question Current Questions Homework Help: Science. NEED HELP PLEASE Posted by Kalie on Tuesday, January 14, 2014 at 11:04pm. Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while ...
21. ### English

1. He had stayed with his old master for long. (For 5 month, he has lived with his new master.) 2. They had been together for such a long time. 3. He had stayed with his old master together for ages. 4. He had been with his old master long. ---------------------------------- ...
22. ### Physics

please can u check my answer Here are the questions: 1. A 0.45 kg book is resting on a dessktop 0.64 m high. Calculate the book's potential energy relative to a)the desktop? b)the floor. 2. A 0.636 kg basketball has a potential energy of 19J at the basket. How high is the ball...
23. ### Reading, please quickly check my 2 answers.

The speaker in "Dream Variations" longs to "rest at cool evening," which is an expression of the human need for personal expression a place in the jungle a sense of safety warmth and brightness My answer is D The theme of Countee Cullen's poem "Any Human to Another" is that ...
24. ### Anatomy and Physiology

Hello! Thanks for checking my question out! ____ 32. Which of the following statements is not true about the immune system? (1 point) a) In children, lymphatic tissues such as adenoids, tonsils, and lymph nodes enlarge as growth continues and from exposure to microorganisms. b...
25. ### Pre-Cal(Please check)

1) Find the Asymptotes: y = -2 sec 2pi x pi/2b and 3pi/2b pi/2(2pi) = pi/4 and 3pi/4 Is this correct? 2) Find the period and asymptotes: y = 1/2 sec pi x / 2 b = pi/2 I do not know how to find the period of asymptotes for this one. My original answer was 1 for the period and ...
26. ### science check plzzzzzzzzzz

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...
27. ### science check plzzzzzzzzzz

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...
28. ### science check plzzzzzzzzzz

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...
29. ### Social Studies (Check, Please!)

1. What were the effects of the new Red Scare on federal employees? A: The new Red Scare forced federal employees to undergo stricter screenings and termination if they were suspected of being disloyal. 2. What was President Eisenhower's "new look" for the military? A: ...
30. ### math

how do I solve? 4X -4 = 24 4x - 4 = 24 +4 +4 4x = 28 4x/4 = 28/4 x = 7 to check: 4(7)-4 = 24 28- 4 = 24

1/3 > 6/10

thanks.
33. ### math

8x^3+125 (2x)^3+(5)^3 (2x+3)(5x^2-6x+25) check this for me
34. ### math

2/3x+1/x=1/6 2x+3x=1/6 5x=1/6 check problem
35. ### math check

How does this c(c-2)-c-1(c+3) come to 3-4c?
36. ### Math

2 + m < 2 is m < 0 but how would I check it?
37. ### Math

multiply and check (a^2+4)(5a^3-3a-1)

1. The amou
39. ### Math 8R - Homework Check

1/8 + 1/2 = 7/10 3/4 + 5/6 = 1 7/12 7/9 + 5/6 = 1 11/18 1/4 + 1/2 = 1 2/6 2/3 + 1/2 = 2
40. ### Math 8 - homework qs. check

2x - x = 3 - 1 1x = 2/1 x = 2
41. ### alg

sqrt(3x^2)=-18 check:
42. ### Math

Pls check (3×8+4^2)-9 24+16 40-9 31 6×(10+6)-6^2 6×16 96-6^2 96-36 60
43. ### Math (Check My Steps)

(1)/(2^0) 1/1 = 1
44. ### Math

Simplify. ((2-5m)/(m-9))+((4m-5)/(9-m)) Check this: (-9m+7)/(m-9)
45. ### Math check

Subtract -28 - (-33)= -61
46. ### English

I urgently need you to check these sentences, please! 1) My favourite places are the woods (??).I live in a little village surrounded by a hilly landscape. 2) More than one thousand people live there (or here?). 3) I'd prefer to live in Milan even if (??) the countryside is ...
47. ### Social Studies

1. How did mechanization change the agricultural industry? (Choose all that apply. 1. it increased production of crops 2.it caused the cotton industry to decline 3.made dairy products safer to consume 4.caused a decrease in efficiency 2.which of the following are aspects of ...
48. ### Career Exploration

Please check my answers! ^-^ 1.) How is the U.S. population changing? a. The number of older americans is growing*** b. Women will soon outnumber men by about 2 to 1 c. The number of middle aged people is nearing zero. d. Fewer immigrants are moving to the U.S. 2.) Which of ...
49. ### Concentration increase

Question: What would happen to the Rf values of the pigments if you were to increase the relative concntration of acetone in the developing solvent? Note: The development solvent used was 70% hexane - 30% acetone. My answer: Acetone is more polar than hexane so the increase in...
50. ### Physics-ASAP

A plane has an airspeed of 200 {mph}. The pilot wishes to reach a destination 600 {mi} due east, but a wind is blowing at 50 {mph} in the direction 30 degrees north of east. a)In what direction must the pilot head the plane in order to reach her destination? answer in south of...
51. ### English(check)

Will someone please check my answers. I'm not sure what is the answer for #1. It is just too confusing. ** Italic. ()underlined. 1)Choose the answer that tells how to correct the sentence. If the sentence is correct, choose "correct." “I’ll make a deal with you,” Dad ...
52. ### MATH/ALGEBRA PLEASE

Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening “graphically”, where the services are charging same rate? : Your company must use a transportation service to shuttle their corporate partners from ...
53. ### algebra

hey i need some help with a couple of questions please..... change all bases to 2 then simplify fully 2^n x 4^n+1 8^n-2 (note that i cannot put the division line thingo in) prove that: a^m/n = n(outside radical sign)a^m (inside radical sign) i don't know if you can understand ...
54. ### algebra

is this right? I need to write a linear function that fits this data and round to the nearest tenth. In 1991 the life expectancy in males was 68.8 and in 1995 it was 71.9.... and so on. I first got the slope m= 71.9-68.8 / 4-1 m = 3.1/3 I fit the slope into y-y1 = m(x-x1) y-68...
55. ### algebra - please help

Let N(t) be number of bacteria after t days. N(t) = Pa^t for some constants P and a. N(2) = 5400 and N(6)=382,000. a)before working problem, estimate value of N(5). b) write down 2 equations for P and a, one when t=2 and one when t=6, and use these two equations to compute a ...
56. ### Algebra II

What two numbers are represented by each of the following? -6+/- sqrt 6 -6 plus or minus square root 6 not sure how to type the question. I think the answers are -6 + sqrt 6 -6 - sqrt 6 I'm just not sure what the question is actually asking for. Could someone please help me. ...
57. ### College Algebra

A quadratic function has its vertex at the point (-9,8). The function passes through the point (9,4). When written in vertex form, the function is f(x)= a(x-h)^2 +k, where a) h)-9 k)8 4=a(9)^2+8 4=a(9+9)^2+8 4=a(18)^2+8 4=a(332) a=0.01204 I was able to find both h & k. but the...
58. ### ASAP

can someone please make up an address and a phone number that i can use for my brochure? please. please. ASAP
59. ### science

please give me a diseases of the blood.give me full answer,my teacher asked please help me please thank you.
60. ### Math PLEASE HELP!

4^2-(2•2^4) i got -16 if i'm wrong please explain. i also got -240 doing it a different way, PLEASE help!
61. ### Math

m∠2 + m∠3 + m∠4 = 180°/ reason: Given? m∠1 + m∠2 = 180°/reason: Supplementary Angle definition m∠1 + m∠2 = m∠2 + m∠3 + m∠4/reason: Substitution property equality m∠1 + m∠2 - m∠2 = m∠2 + m&#...
62. ### math

m∠2 + m∠3 + m∠4 = 180°/ reason: Given? m∠1 + m∠2 = 180°/reason: Supplementary Angle definition m∠1 + m∠2 = m∠2 + m∠3 + m∠4/reason: Substitution property equality m∠1 + m∠2 - m∠2 = m∠2 + m&#...
63. ### Health

What are the short term effects of Cocaine: When someone consumes this substance what effect will it have on their body, mind, and behavior? Please answer ASAP I really need the answer... and please don't give the website for me to find the info, I don't have enough time to do...
64. ### accounting

Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)...
65. ### American History

Explain how each of the following government policies encouraged business development: railroad subsidies; tariffs. I don't really know about how railroad subsidies encouraged business development. For tariffs, I got this: tariffs were necessary to protect domestic industries ...
66. ### English

Can you check these sentences for me please? Thank you very much. 1) He doubts about suicide (wrong) He is doubtful about /he has doubts about suicide. 2) A period of doubt follows, in which (not when?) the hero plans his revenge. 3) Every man is scared: better everyone/all of...
67. ### Algebra

I've been working on this for an hour and I know it's more simple than I'm making it. Please enlighten me. Cyclist 1 is traveling at 20 mph, Cyclist 2 is traveling at 14 mph. How long before they're 15 miles apart? I've tried to fill in a block diagram and work from there, but...
68. ### Pre-Algebra

Can someone please help me answer these two questions? I have already answered one, and need it checked. Give any three ordered pairs that are solutions of the equation: 1. x-y=6 (12,6) (10,4) (15,9) 2.-3x - 2y = 0 ??? 3.2x- 3y = 12 I have only one ordered pair for this: (9,2...
69. ### Chemistry

The freezing point of benzene is 5.5°C. What is the freezing point of a solution of 8.50 g of naphthalene (C10H8) in 425 g of benzene (Kf of benzene = 4.90°C/m)? I worked this problem for someone just a couple of days ago. delta T = kf m kf = 4.90 m = molality = mols/kg. ...
70. ### Physics

Can someone please check my answers for the first three questions and help me with the last one? 1)A racecar accelerates from rest at +7.2 m/s2 for 4.1 seconds. How fast will it be going at the end of that time? Answer: 29.5 m/s 2)A racecar starts from rest and is accelerated ...
71. ### Chemistry

How many grams of dry NH4Cl need to be added to 2.10L of a 0.600M solution of ammonia,NH3 , to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8x10^-5. I just wanted to make sure I dd this write, can you please check my work? Thank you!!!! I found the pKa ...
72. ### Social Studies

Please review the question and check my answer. Thank you tutors. Q: What was the Reciprocity Treaty? My answer: The Reciprocity Treaty allowed Hawaii sugar into the United States duty-free and set of rapid growth in the Island's sugar industry. I also got my answer from a ...
73. ### Foreign languages

Can you also check this other exercise, please? Thank you very much. 1) Complete with the correct form of the verbs in the past simple, past perfect, and past continuous. 1. My friend ............. (be) very upset because someone ....... (steal) her bag before I saw her. 2.I...
74. ### 4th grade math

Can you check please. 1. Melvin had 20 children in his kindergarten class. Two-fifths of the children had brown eyes. Onefourth of the children had blue eyes. The rest had hazel eyes. How many children had hazel eyes? 20(2/5) = 8 brown 20(1/4) = 5 blue 8+5=13. So 21-13 = 7 hazel
75. ### Fused Sentence

How do I re-write this sentence using the fused sentence format? See below The creature sat upright and tugged at the shackles binding his ankles, Frankenstein uttered a piercing scream. Check this site for ideas about how to rewrite that sentence. Then post your rewritten ...
76. ### math

A bag soccer balls contains 8 balls with black design and 7 balls with red design with no other types of soccer balls. Coach graves reaches into the bag and randomly pulls out two soccer balls. please check my answer a) explain these events are either dependent or independent...
77. ### language could you please check my work

answers are on the bottom 1)A person's hobby a.can be physical recreation b.can be mental recreation c.both a and b 2)A good hobby is is a.exciting b.satisfying c.both a and b 3)Some hobbies are a.lifelong b. given up for something more interesting c. both a and b 4)Hobbies a....
78. ### Math(Please check answers)

These questions that I have completed are on a test review for my exam and I would just like to know if they are correct. These are only a few of the questions, I have more that are just not complete yet. Thank You! 1) List the intercepts for the graph of the following ...
79. ### English

Can you please check these sentences, too? Thank you. I just wonder if you could use these expressions in a common conversation. 1) I sent John three letters but he hasn't replied (not didn't reply)to any of them. 2) When did you get that jacket? I haven't noticed (not didn't ...
80. ### Algebra

I am having a hard time getting the right answer for this problem. Two people disagree. Please help... There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that ...
81. ### Chemistry

Can you check if this is correct please: Reactivity order for these metals (top being most reactive): - Magnesium (I'm not sure if Magnesium or Manganese should be at the top) - Manganese - Zinc - Copper Reactivity order for these acids (top being most reactive): - Sulfuric ...
82. ### Chemistry

Can you check if this is correct please: Reactivity order for these metals (top being most reactive): - Magnesium (I'm not sure if Magnesium or Manganese should be at the top) - Manganese - Zinc - Copper Reactivity order for these acids (top being most reactive): - Sulfuric ...
83. ### Math

Robin and Emily are selling boxes of candy bars. Robin sells 36 boxes of candy and Emily sells 24 boxes of candy. Which expression, using the form a(b+c), represents the amount they sold together a. 2(12+24) b. 4(9+6) c. 24 (6 + 36) d. 12 (3 + 2) My answer is B 9+6=15x4=60 60 ...
84. ### Spanish

Please check En mi dormitorio, hay una cama cómodo con una manta azul y marrón claro.This is suppose to say in my bedroom, there is a comfortable bed with a blue and light brown blanket. Hay dos alfombras azules. This is suppose to say there are two blue rugs. Hay una sofá ...
85. ### Economics

Please check my work! Thanks! 1. The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would be called a _______ ...
86. ### English- please check

I need to re-write a poem into a free verse, but I'm not very good at poems. This is what I have to re-write: We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun's return This is what I have, but I don't ...
87. ### Physics - Electricity

Can you please check my answers. 1) What carries energy through wire? electrons 2) What happens to some of the energy when it moves through the wire? becomes lost due to the movement of energy requiring some kinetic energy 3) If a resistance is large, why does the wire heat up...
88. ### Algebra 1: 8th Grade

Montreal and Quebec City are about 260km apart along Route 20 in Canada. Sylvia is leaving Montreal to go to Quebec City at a speed of 90km per hour. And Anne is leaving Quebec City to go to Montreal at a speed of 105km per hour. a) When and where do Slyvie and Anne pass each ...
89. ### Technology

I'm pretty sure I'm right, but please check to see if these are correct: 1. Which of the following lathe operations cuts an angled surface between two diameters on a workpiece? a. chamfering b. tapering c. threading d. knurling A 2. The three basic groups of saws according to ...
90. ### Algebra--to Bob (Please)

How do you find the mean? add all the data, divide by the number of data. For instance, the mean of 56 and 34 56+34= 90 divide by 2, mean is 45
91. ### Algebra, help please!!!

Find three decimals between each of the following pairs of decimals: A: 4.333333333(repeating 3) and 4.3 B: 203.76(repeating 7,6) and 203.7(repeating 7)
92. ### English

Composition needs to be three to five paragraph long. It must contain an introduction, a body, and a conclusion. Please read!!. Compare and contrast in the winter and driving in the summmer. Throughout the year, safe driving should always be a top priority. Especially when ...
93. ### Science

Type one and Type three survivorship curves indicate populations that are growing _______________. Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. fast? fast? http://www.britannica.com/eb/article-...
94. ### Physics- check answer please

I am supposed to fill in the blanks without a word bank. 1. I you push a crate with 40 N of force at an angle of 30 degrees and your friend pushes with a force of 40 N horizontally, the amount of work you are doing is _____ the amount of work your friend is doing on the crate ...
95. ### English 10 Check

Below, you will find a list of sentences. After each sentence, select true if the topic of the statement is suitable to form the basis of a single persuasive paragraph. If the topic of the statement in your textbook is unsuitable for a single persuasive paragraph, select false...
96. ### algebra

Multiply and simplify. Assume that no radicands were formed by raising negative numbers to even powers. √6x^3 * √18x^2 = √2 * 3 * x^3 * √2 * 3^2 * x^2 = √2 * 3x^2x * √2 * 3^2 * x^2 = 6x^2 * √3x Is this correct?? If not can you show me ...
97. ### algebra

Multiply and simplify. Assume that no radicands were formed by raising negative numbers to even powers. √6x^3 * √18x^2 = √2 * 3 * x^3 * √2 * 3^2 * x^2 = √2 * 3x^2x * √2 * 3^2 * x^2 = 6x^2 * √3x Is this correct?? If not can you show me ...
98. ### Math- double check me please

In a shipment of 1200 parts, 60 were found to be defective. What percent of the parts were faulty? a.60 b. 1200 c what percent d. shipment answer:a Ms. Jefferson has been given a loan of 20,000 for a 1 year. If the interest charged is \$800, what is the interest rate on the ...
99. ### English

Can you check the meaning of these few phrasal verbs, please? Thank you In the beginning I dislike my classmates but then I came around thinking they aren't so bad. Can you drop in on me after school. I need to talk to you. My plan to go to the mountains fell through because ...
100. ### algebra

ok I have a algebra question how do you find the missing number for 42-9=43-? how do I get the answer and I need to understand it? I think the answer might be 45