# Algebra, help + check please

57,936 results, page 57

1. ### PLEASE CHECK OPERATIONS WITH FRACTIONS PART 2

10.5/7-4/6 A.1/21*** B.1 C.1/42 D.1/14 11.-3 7/9 - 1 2/9 A.-2 5/9*** B.2 5/9 C.-5 D.4 5/9 12. 6 1/3 - 4 4/9 A.2 1/3 *** B.2 2/3 C.1 8/9 D.1 2/3 13. Kevin had 3/4 yard of string. He used 1/3 of the string for a school project. How many yards of string did he use for his project...
2. ### dog behavior

please check my answer thanks True or False Modeling is a training technique that involves providing one dog as an example for another dog to follow I think that is True
3. ### Math - check answer

Given v = 2t3 + 87t2 - 636, determine the acceleration for t= 1 s. acceleration in m/s2 = My Answer v'= 6t^2+174t V"= 12t V"(1) = 12 acceleration in m/s2 = 12 Can you please confirm this is correct.. Thanks!
4. ### True or False health insurance

please check my answer True or False CHAMPVA would be considered a primary payer for a patient who has SSI I think it is False
5. ### accounting

Specify which of the following cash transactions would have resulted in the \$4,100 posting to the account. (You select more than one answer. Single click the box with a check mark for correct answers and double click to empty the box for the wrong answers.) Receiving cash from...
6. ### Geometry

A buoy in a lake is 20 yards from Dock 1 and 20 yards from Dock 2. To the nearest tenth of a centimeter of a yard; how far apart are the two docks? Please check my answer. Thank you. id it 17.3 yards?? I'm lost
7. ### Language Art (Please Check)

there _____ a ver long debate on the issue. Which of the following names the sentences subject and a verb that agrees with that subject? A.there;is B.there;was C.debate;was D.debate;were
8. ### calculus

is the function f(x)=x^2 increasing on decreasing at x = -1. can anyone please check my reasoning: the value of the derivative of the function at x=-1 is -2, so that means the slope of the tangent line to the graph at that is a negative value so the function is decreasing at x...
9. ### history- civil war

What did Abraham Lincoln mean by saying slaves represented money? He meant that without the slaves the South would have no income. The more slaves they had, the more income. Please check if this is correct. Thanks.

1) Which one of the following molecules is the most polarizable? a) H3C – I b) H3C – CH3 c) H3C – F d) H3C – H e) H3C – OH I chose H3C-I as the answer because the mm was the greatest. I added the mm of H, C, and I and got 141.934. Did I do this correctly?
11. ### Calculus

Hello, Could somebody kindly check my answer for the following question? Find the derivative of the following function: h(x)=3e^(sin(x+2)) h'(x)=3'(e^(sin(x+2))+3(e^(sin(x+2))' h'(x)=0(e^(sin(x+2))+3(e^(sin(x+2))(cos(1)) h'(x)=3cos1(e^(sin(x+2)) I would greatly appreciate your...

an athlete stretches a spring an extra 40.0 cm. how much energy has he transferred to the spring, if the spring constant is 5286.0 N/m? Us= 1/2kx^2 =1/2(5286.0)(.40)=1057.2 J Thanks!
13. ### math plz help!!!!!!!

which ratios form a proportion? A) 4/5 , 20/25 B) 8/12 , 18/24 C) 1/3 , 7/24 D) 2/5 , 6/16 which ratio forms a proportion with 9/15? A)3/6 B)2/3 C)12/30 D)6/10##### which proportion has cross products of 5 x 24 and 8 x 15? A)5/8=15/24 B)5/24=8/15 C)8/24=15/5#### D)15/8=5/24 ...
14. ### Photography

IS this statement true or false? 100 ISO for film = 800 ISO for digital. I'm not sure. I only learnt ISO for digital. I don't know how to check if they are both equal.
15. ### math

solve the simultaneous equations to find the coordinates of the point of intersection for the pair of lines of the simultaneous equations. Then check the answer by graphing the equations 3x-y=-4 2x-y=0
16. ### Essay

I have written an essay that is a couple page. I used Grammarly to check for errors but it says there are a bunch of advanced errors. I want to fix those ones but don't know what they are or where to look. Is there a website I can use to find these errors?
17. ### fact/opinion

Please check: 1) these mighty animals are close to extinction. [fact] 2) tigers are the biggest members of the cat family. [fact] 3) it is such a shame. [opinion]

What is the hybridization of each carbon in the molecule of ethanol. CH3 = sp3 CH2OH = sp3 I think that the carbons are all sp3 because there are only single bonds in this molecule. Is this correct?
19. ### Precalculus

1. Determine the interval(s) on which x^2 + 2x -3>0 a)x<-3, x>1 b)-3<x<1 c)x<-3, -3<x<1, x>1 d) x>1 Answer is D, x>1 --------------------------------------- 2. Determine when the function f(x)= 3x^3 + 4x^2 -59x -13 is greater than 7. a) -5<x...
20. ### geography

Does a line of latitude or a line of longitude divide the Earth into Northern and Southern Hemispheres? This is an easy one but I just want to double check. The answer is a line of latitude. Right?

Ok these are some textbook questions i need to turn in soon could you please check and see if they are correct~ 1. x over 4 + 1 = –5 (1 point) –2 16 4 –24 2. 6x + 29 = 5 (1 point) –4 –18 204 –144 3. Combine like terms: –21a + 16a (1 point) –5a 5a 37a –37a ...

Please check these over and see if any are incorrect? 1. The units of speed are: a) m/s ---> my answer b) m/s^2 and direction c) N d) m/s and direction 2. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd ---> my ...
23. ### algebra

A florist plans to make 5 Identical bridesmaid bouquets for a weeding. She budgeted £ 610 and she want to 24 flowers for each bouquet. She want to use three types of flowers namely; roses, tulips and lilies . A survey of prices shows roses cost £6, tulips £4 and lilies £3 ...
24. ### calc I

f(x)=x^3-6x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^2-6. So the critical points are -1.4 and 1.4. The derivative is decreasing until (0,6) ...
25. ### math!

f(x)=x^3-6x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^2-6. So the critical points are -1.4 and 1.4. The derivative is decreasing until (0,6) ...
26. ### Calculus really quick check

The graph of f ′(x) is continuous and decreasing with an x-intercept at x = 2. Which of the following statements must be true? Edit The graph of f has an inflection point at x = 2. The graph of f has a relative maximum at x = 2. The graph of f is always concave down. MY ...
27. ### english, can you check over my answers? thanks!

I have answered these questions, but would like someone to review them.. can you please check the answers that i've chosen? thanks in advance! Identify the function of the infinitive in the sentence. Choose from the following: subject, direct object, object of the preposition...
28. ### algebra

simplify. 3 - 2(4 - 7) ÷ 9 i don't know what to do after i subtract 4 and 7 which is -3 then multiply 2 which is -6 then i don't know what to do afterwards, i know pemdas so -6 divided by 9 cannot be so please help on that. the integers from -3 to +3 can be used in the blanks...
29. ### english

Can someone check my answers for this English quick check, I'm in connections, thanks :) 1. In adventures of huckleberry finn at first huck feels ___ about writing to Jims owner. a. good** b. guilty c. uncertain 2. what is another word for a ship's small boat? a. lath** b. ...

The initial concentration of a reactant in a first order reaction is 0.620 molar. What will be its concentration after 3 half-lives? I did 0.620 -> 0.31 ->0.155 0.155M will be the concentration. Is this correct?
31. ### HIPPA

At what point during the course of treatment of a new patient should you notice the use and diclosure of health information, required under HIPPA, be and why ? I think that you should notice right away. When you go to the doctor and check in you have to sign a paper that tells...
32. ### Math

Can you check my work? If Angelona's weekly allowance is d dollars, which Expression represents her allowance, in Dollars, for x weeks? A. Dx B. 7dx C. X+7d D.d/x So d = allowance X=week D goes up per x So my answer is A. Dx Is this correct? Thanks for your help
33. ### Social Studdies, can you check my awnser?

1. What was the initial purpose of the Costitutional Convection? A. to write the constitution B. To amend the constitution C. To amend the Articles of Confederation** D. To ratify the Constitution

i have to pick from the following informed consent disclosure substituted consent Regaurding the question a minor needs an operation the parent consent to the operation

how do resonance structure related to its real structure? resonance structure is just another way to write the lewis dot with different formal charges and bond order
36. ### SS8R - HW check help!

After the Civil War, Mr. Carnegie shifted his focus to the steel industry. In 1892, the 'Carnegie Steel Company' was launched i need more details about Carnegie's business
37. ### math ( subtracting fractions)

12 1/4- 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.
38. ### spanish/chech

translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
39. ### sociology

Who are hackers. What can we do to protect from them. Check this site for information about hackers. http://en.wikipedia.org/wiki/Hacker You can try to protect your computer from hackers by installing a firewll.
40. ### geography check

the atmosphere:A)creayes tides b)has no effect on heat gain or loss c)allows heat to escape quickly D)keeps heat from escaping too quickly into space. i choose b
41. ### Math

help with these questions~ Thank you 1. Determine the interval(s) on which x^2 + 2x -3>0 a)x<-3, x>1 b)-3<x<1 c)x<-3, -3<x<1, x>1 d) x>1 Answer is D, x>1 --------------------------------------- 2. Determine when the function f(x)= 3x^3 + 4x^2 -...
42. ### Chem.

If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in moles? In grams? p-amino. - MW: 109.13g aceta. - MW: 151.16 g ** I just forgot how to do this, I know it's probably REALLY simple. I took a stab at ...
43. ### Math

Answer check please: Consider the circle (x-3)^2 + (y+1)^2 = 169. The point (15,4) is on the circle. Find an equation for the line that is tangent to the circle at this point. I got y= 5/12x-9/4.
44. ### Physics-Check

In a marathon race, one runner is moving at 5.0 m/s passes a second runner moving at 4.5. What is the distance between the runners 10 minutes after the one runner has passed the other? 5m?
45. ### Math

Can someone check my work and see if I did this correctly? Problem: 9^(x+6)=3^x ln9^(x+6)=ln3^x (x+6)*ln(9)=x*ln(3) (x+6)/x=ln(3)/ln(9) x/x+6/x=0.49999977 1+6/x=0.49999977 6/x=0.49999977-1 6/x=(-0.5000002) x=6/(-0.5000002) x=(-11.9999952) is this correct?
46. ### grammar(possessive)

"A years worth of hard work has finally paid off." year (my choice) years years' year's Please check.
47. ### 5th math

Mr. davison has 30 students in his class . He has four more girls than boys. How many boys are in Mr. Davision class? can you please check my answer? I got 11 boys . does it sound about right ?
48. ### Math - check answer

Given v = 4t - 9t3, find the acceleration when t = 1 s. acceleration in m/s2 = My Answer V'=4-27t2 V"= -54t V"(1)= -54 acceleration in m/s2 = positive 54 Can you please confirm this is correct???? Thanks
49. ### Spanish Beg. 1 - HW Check/HELP!

4. Que tiempo hace? English - What's the weather 5. Cual es la estacion English - ?????? 6. Cual el la fecha English - ????? Please help and is the first one if correct????
50. ### math check

Simplify 1) (5t)(5t)^3 My answer: 5t^15 Write the number without exponents 2) 8.78x10^5 My answer: 878,000,000 Multiply. 3) (x+9)^2 My answer: 9x^18
51. ### math

Can somone check this for me. Directions: Identify the property that is used. (1) 5+(6+7)=5+(7+6) My answer: The commutative property of addition (2) 4 x(3+2)=(3+2) x 4 My answer. The communtaive property of multiplication right on both.
52. ### Math

can you please check my answers evaluate (-5a)^2 and -5a^2 when a =5 625 for both 1-12.64=-11.64 (-14)/(-7)=2 using multiplying by 1to find an expression equvialnt to 18/19 with a denomanator of 171z?dont simplfy type a fraction one day the temperture dropped from -4 degree f ...

Check answers please! 1. Many indigenous people in Guatemala live in the mountains because it is the only land available to them the soil is very good for farming*** they don't speak Spanish mountain villages are easy to defend against attacks 2. All of the following are ...
54. ### English

I urgently need to check if everything is correct. I hope everything is OK. 1) Outline the main features of the Renaissance with particular reference to its concept of order. 2) Remind a friend of yours, who has never flown in an airplane, what he should do before boarding a ...
55. ### Math

can you please check my answers evaluate (-5a)^2 and -5a^2 when a =5 625 for both 1-12.64=-11.64 (-14)/(-7)=2 using multiplying by 1to find an expression equvialnt to 18/19 with a denomanator of 171z?dont simplfy type a fraction one day the temperture dropped from -4 degree f ...
56. ### SS7R - HW Question Check

What is the Proclamation of 1763???? To control the colonists and prevent wars with Native Americans (such as the Pontiac War) the British passed the Act. Does that define it!!?!??! Please don't ban me, ignore me, and no rude comments thank you! I got this answer from the ...

58. ### last science check

6. Which of the following pairs of words correctly completes the blanks in the sentence below? Depletion of_____ has been halted by a ban on the manufacturing of____ .. the ozone layer, chlorofluorocarbons. acid rain, carbon dioxide. fossil fuels, gasoline. global warming, ...

SUFFIXES: -dairy=dairies -ability=abilities -cry=cries -journey=journies -liberty=liberties -dictionary=dictionaries -worry=worries -cherry=cherries -lady=ladies -supply=supplies -lazy=lazyness -penney=pennies
60. ### Math

can you please check my answers evaluate (-5a)^2 and -5a^2 when a =5 625 for both 1-12.64=-11.64 (-14)/(-7)=2 using multiplying by 1to find an expression equvialnt to 18/19 with a denomanator of 171z?dont simplfy type a fraction one day the temperture dropped from -4 degree f ...
61. ### history

pleases check this question for me What was the goal of the Selma March? a. to integrate bus terminal lunch counters b. to get more low-cost housing built c. to get voting rights legislation passed d. to abandon violent, militant tactics in favor of civil disobedience C
62. ### spanish

"tengo que llevar un plato a la fiesta de Marta, pero no sé cocinar muy bien. ¿Qué debo hacer?" "Sugiero que _____ una enselada de frutas." a. prepares b. preparas c. preparabas d. preparo B i know i asked this before, but i forgot if Sra said it was correct or not please ...
63. ### History

Which statements are not accurate descriptions of hunter-gatherers? (1) Wild fruits, berries, and nuts are part of their diets. (2) They rarely eat meat. (3) Killing animals is a major task in their lives. (4) They live in permanent villages. I think it's 1 and 2 because that'...
64. ### English

Here are the other phrasal verbs I need you to check (tell me of they are possible or of other are more often used) and which I also have to rephrase. Thank you very much! 1) Get your clothes off: they are all wet. 2) Get all that mess off your desk. I can’t get off that ...
65. ### grammar

Could you check my sentences. Thank you very much 1. If you ask her, she'll tell you the story 2. When she talked to the old woman, she would only smile and nod. 3. If she listens carefully, she could hear someone moving around upstairs in the house. 4. If she spoke, the room ...
66. ### Trig.......

I need to prove that the following is true. Thanks (2tanx /1-tan^x)+(1/2cos^2x-1)= (cosx+sinx)/(cosx - sinx) and thanks ........... check your typing. I tried 30º, the two sides are not equal, they differ by 1 oh , thank you Mr Reiny I'll tell my teacher this Question is ...
67. ### Algebra (test corrections)

This problem was on a test and I got it wrong, and if I do it over I get half the credit back, but I need help with it plz. (11x^2+2x^3+14+17x)/(2x+5) My algebra teacher didn't even go over this lesson (we skipped it) and it was on the test. She says it's long division, but I ...
68. ### Visual Basic

I am working on a project called VB Auto Sales I am working in CH 2. I have just about completed the assignment but I am unable to group two separate sections. Assignment Modify the project from the Chapter 1 VB Auto Center case study, replacing the buttons with images in ...
69. ### math outlier

can you check if i have correct these 2 questions #1 find the outlier and tell how it affects the mean for: -13, -16, -12, -16, -3, -14 mean: 12.3 the outlier is: -3 mean without outlier: 14.2 THE OUTLIER LOWERS THE MEAN BY : 1.9
70. ### programming

I am working on a project called VB Auto Sales I am working in CH 2. I have just about completed the assignment but I am unable to group two separate sections. Assignment Modify the project from the Chapter 1 VB Auto Center case study, replacing the buttons with images in ...
71. ### Geometry (Please check my work)

A segment has endpoints M(6,15) and N(-3,9). The image of the segmen for a dilation with center (0,0), has endpoints M'(2,5)and N (-1,3). What is the scale factor of dilation? A. 2<<<< B. 3 C. 1/2 D. 1/3 I'm not confident with this answer because I still don't ...

List the 5-7 most critical actions you would need to take to convert your idea into a real business opportunity so that you could develop a business plan. Where are the check points during which critical assumptions are explored?
73. ### math

There was a competition that attracted 630 entries for a \$250 prize. Molly gets paid \$7.50 per hour for checking the entries, which takes her 2 minutes each. How much do they pay Molly to check the entries?

75. ### Precalc

To which set(s) of numbers does the number sqrt -16 belong? Select all that apply. real numbers complex numbers*** rational numbers imaginary numbers*** irrational numbers I can only pick two, and that's what I think it is. Please check? Thanks
76. ### Agility Training

please check my answer thanks :) A run-out occurs when a dog A. runs off the course. B. jumps off an obstacle. C. must turn back to complete the next obstacle. D. takes an obstacle out of sequence My answer is D

1. If 31 waves pass by a point in 1.7 s, what's the frequency? my answer: 18.2 Hz 2. if a crest with an amplitude of 7cm interferes with a trough with an amplitude of 10 cm, the resulting wave has an amplitude of: my answer: -3
78. ### Psychology -- Check please?

Studying the effects of mercury on the brain is this type of research Biological Cognitive Behavioral Humanistic Psychoanalytic I'm torn between cognitive and psychoanalytic, but am leaning towards cognitive...
79. ### English

I think I should rephrase the first question. I urgently need you to check this sentence. Thank you very much. 1) Briefly describe the narrator’s personality in Poe’s story, "The Tell-Tale Heart". Explain his feelings and above all his obsession. Then focus on how he ...
80. ### chem

λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 5. I am not certain of your difficulty here. Can you amplify? How did you make the symbol for lamda? (1/lambda) = R(1/n1^2...
81. ### English

1. I like sheep. They can follow the shepherd well. They can't fight with other animals well. 2. I like parrots. They can imitate people's voices well. They can't clean houses. 3. I like giraffes. They can pick fruit on trees. They can't swim. 4. I like crocodiles. They can ...
82. ### check geo

when did most Latin america countries gain thier independence? A)the 1600s b)the mid 1700s c)the 1800s D)the early 1900s my choose:d the blending of beliefs and practices from different religious is called: A)patios b)samba C)syncretism D)protestantism my choose:c
83. ### English

Identify the most effective method by which a writer can persuade a reader. A.S/he repeats the same idea over and over, using different words. B.S/he tries to use information that could frighten a reader. C.S/he supports main points with strong research. D.S/he proofreads the ...
84. ### U.S History Check Please :)

What was the "corrupt bargain" of the 1824 election? Split of the Democratic-Republican candidates Description by Andrew Jackson of the election outcome Smear campaign John Quincy Adams used to win**** Difference between the popular and electoral votes
85. ### science

ogranelle that modifies,packages and transport material out of the cell describes an organism that can exist onlly as a group of cells one of the structures a cell uses t o live ,grow and reproduce Ruth, Shondra, Jimmy -- We do not do your homework for you, but we'll be glad ...
86. ### History

Please check! 3. What is the effect of the depression of the 1890s on South Carolina? a. Gold was discovered in Alaska. b. Many banks failed and railroads went bankrupt. c. Paper money was no longer backed by gold.*** d. Inflation caused farmers to run large debts.
87. ### History

Can someone help me? I need to check my answer. Due to inequality and unfairness, Thurgood Marshall argued that.. A: "separate, but equal" must stand. B:he should join the Supreme Court C: Linda Brown should attend a black school D: it is important to respect the rights of ...
88. ### English

Could you please check these sentences, too? Thank you. 1) There was a shifting of the population from South to North. 2) You reported my notes without changing a single word. A paragraph mustn't be the exact repetition of my summaries. 3) Furthermore, some sentences are ...
89. ### Teaching dogs tricks

please check my answer thanks Animal performances for which payment is involved are regulated by the A. Food and Drug Administration. B. Animal Actors' Guild. C. American Society for the Prevention of Cruelty to Animals. D. United States Department of Agriculture. I say C
90. ### Language Arts

according to "happiness is a charming charlie brown at orlando rep,) how do the technical aspects of the play compare with the performers? A) they do not achieve the same quality B) they are equally as good C) they overshadow them D) they are much more inconsistent I think the...
91. ### dr bob science

Thanks can you check one more If it takes 105 calories to warm 100g of aluminium from 20oC to 25oC, what is the specific heat of aluminium? Q = MxdeltaTxC 105cal = 100gx (5oC) x C C = .21 cal/gCo we get points off if we do not show our work and just give the answer

You're on planet YZ and an astronaut observes that a 1.0 m long pendulum has a period of 1.50s. What is the free-fall accerlerttion on YZ? I know the answer is 17.6 because I worked it backwards but if the answer was given, I wouldn't know how to change the variables around-...
93. ### medical billing

help ...Pt present for suture removal. sutures removed and slight oozing occurs in midsection of wound. wound dressed and pt advised to aply antibaterial cream daily. retn in 4 to 5 days for final check(PF HX/PX SF/MDM...what is the code
94. ### U.S.History

please check: 1. Which of the following best describes the ideology of Transcendentalists? a. humans are naturally bad b. Individuals should rely on outward rituals and group worship c. People's lives have been predetermined by God d. humans should be self-reliant and act on ...
95. ### Social studies

Which statement best describes the importance of magna carta? A. british judges should hold power B. even the king must respect certain rights of the people C. federalism is the best form of government D. parliament should have the power to determine tax rates. My best answer ...
96. ### Art

I need to let you check a few things later. I hope you'll be there, Writeacher. 1) I need your help for a project work on Emily Dickinson and the theme of anorexia. Could you suggest one of her poems? 2) I also need your help to find a short description (four-five paragraphs ...
97. ### English

Can you please help me check these school rules in case of an evacuation? 1) During an evacuation you have to (must?) 2) stay calm 3) queue with the respective openline and closeline 4) go calmly to the nearest emergency door 5)if you need, go down the stairs, always quietly 6...
98. ### Algebra 2

Posted by Christian on Monday, May 7, 2007 at 11:34am. The area of a rectangular blanket in square centimeters is 40x^2+2x-65. The width is 4x-5 cm^2. Find the dimensions of the blanket in terms of x. For Further Reading Algebra 2 - Brown, Monday, May 7, 2007 at 2:40pm What is...
99. ### English

Here is a presentation entitled "treatment plant from arsenic and pathogenic bacteria". I don't know how to check it as I'm not familiar with the content. I'd like you to help me check the grammar. The paragraph contain long-winded sentences with no punctuation. I really need ...
100. ### Geography

What natiral feature forms Mississippi's western border? mississippi river mississippi river i think im not positive you might want to check