Algebra, help + check please

103,406 results, page 49

Spanish 1-Please check my answer

Eres mayor o menor que tu hermano? Would I say Soy mayor que tu hermano. if I was older than him? or should I say something else? Thank you

English

Rewrite the following sentence to make it more concise: The referendum was held by the government in the month of August. The Government held a referendum in the August. Please check my work.

math 098

I made 3 f's on my tests in math 098, do you think i need to withdraw and take math 090 instead. this is my first semester and i really want to do my best please help. math 098 is algebra math 090 is basic for college. the score were equations--52,distance problems---55, ...

Universe and the Stars-Please Check

Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to be more evolved than ...

Chemistry Need help ASAP

A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) It ...

Chemistry Need help ASAP

A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) It ...

Polynomial Function

Could you please check my answers? Find an nth degree polynomial function with real coefficients satisfying the given conditions. 1. n=3; 3 and i are zeros; f(2)=20 -I got: f(x)=-4^3+12x^2-4x+12 3.n=3;4 and i zeros;f(-3)=60 -I got:f(x)=6x^3+24x^2+6x+24

Math yeild on stocks

please check my answer thanks :) The Klien company paid a diividend of $.42 per share last year . The current selling price of the stock is $27.38. the current yeild on the stock is... my answer is 6.5%

language please check my work

In 2000 an experimental robot performed operations on the damaged valves of ten patient's hearts. in this true: -robot is a noun -performed is a verb -damaged is a noun

algebra

SEE BELOW PLEASE at******** If computing N(t) = Pa^t where P=642.035376 and a = 2.900129566 (both are stored in calculator), to what extent should the values of N(5), N(7) and N(9) be rounded? and why? Note: N(5)= 131,718 N(7)= 1,107,849 N(9)= 9,317,847 algebra - bobpursley, ...

algebra

SEE BELOW PLEASE at******** If computing N(t) = Pa^t where P=642.035376 and a = 2.900129566 (both are stored in calculator), to what extent should the values of N(5), N(7) and N(9) be rounded? and why? Note: N(5)= 131,718 N(7)= 1,107,849 N(9)= 9,317,847 algebra - bobpursley, ...

Spanish

I had to answer the questions in the negative please check 1.Hay alguien en la puerta? No, no hay nadie en la puerta. 2. Hay algo en la mesa? No, no hay nada en la mesa.

Spanish

Please check-I had to correct the first sentence to make it correct in the second No hablé con alguien en la escuela No, hablé con nadie en la escuela.

Spanish

Please check-I had to correct the first sentence to make it correct in the second No hablé con alguien en la escuela No, hablé con nadie en la escuela.

math

A graph is given with the line going from (-2, 2) to (2,8). a) Find the length of this line. b) Find the midpoint of the line. c) write an equation for this line. my answers- a) 2√10 b) 0,5 c) y = 1.5x + 5 please check these answers.

English

I left out a few sentences. Can you please check them? 1)England turned from an agricultural into an industrialized (not industrial) country. 2)The Indutrial Revolution caused an improvement in life (or in the living conditions). 3) The Luddites organized riots in order to ...

U.S History (Please Check)

Which factor contributed most to the increased importance of literature in American culture during the 19th century? The success of major social-reform movements***** The spread of utopian communities throughout the nation The migration of European intellectuals to the United ...

English

Can you please help me check these sentences? Some of them don't make sense at all.I tried to check some of them though. 1) Brutus has a strong sense of republican liberty 2) Brutus fears what Caesar could (would/may) become if he were crowned. 3) He is not sure about this: he...

Algebra II

Please check my answers With two parallel lines cut by a transversal, the number of pairs of alternate interior angles is equal to the number of pairs of corresponding angles. (1 point) Always Sometimes Never *I think the answer is sometimes Opposite angles in a quadrilateral ...

algebra

Simplify using only positive exponents. (2r^-1s^2t^0)^-2 ---------------- 2rs Thanks in advance! Working this out: (2^-2 r^2 s^-4)/ (2 r s) = r^2/8rs^5 Note: Anything to the 0 power is equal to 1. I hope this will help. Sorry but can you help me please I seriously need it.! ...

Chemistry: please help, I am stumped

When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

dwrls,math

PLEASE LOOK IN THE BOTTOM OF THIS MESSAGE...... solve for x: 3x - 2y = 6 i need help in solving this: the possible answers has to be one of these: A)2y +6 divided by 3 b)3x -6 divided by 2 C) 2 + 2y D) 2/3y + 6 but how i keep trying and i don't get non of these. For Further ...

Math Analysis

Can someone check my answers please? Thank you! If tan x = 3/5, evaluate: 1) tan 2x 2) tan 3x ==> For #1, I got 15/8; for #2, I got -99/5. Are these answers correct?

powers of exponents math

simplify each expression: can you check and help me please a) 3*3*3 i got: 27 b) (-2)(-2) i got: 4 c) (-125)(-125)(-125) i got: -1953125. d) -(2)(2)(2) i don't know: e) (-1) (-1) i got : 1 f) -4*4 i don't know:

Math

Please help me with this step by step show your work problem. |-4b-8|+|-1-b^2|+2b^3 (b= -2) My work |-4b-8|+|-1-b^2|+2b^3 |-4(-2)-8|+|-1-(-2^2)|+2(-2^3) |8-8|+|-1-4|-16 8+8+5-16 16+5-16 5 Could you check my work? If it is incorrect, could you show me the steps to correct it?

Algebra please help

Pain says she should get $3 discount on the price of each shirt and a $3 discount on the price of each pair of jeans. Part 1 Write and simplify an expression to find the amount she would pay if this is true. Part 2 why are the amounts Pani pays in a and b different? Part 3 if ...

Math

5L= ?cL 102mL= ?L 1895g= ?kg 2.3kg= ?g What is the square root of 36/49? Please check this table to find the equivalents. (Broken Link Removed) Using my calculator, 36/49 = 0.7346938 Hitting the square root button gives us 0.857148 << What is the square root of 36/49?>...

check chem!

Can u please check. Would this answer be right? #1) In reference to the information given above, determine the following. A 0.10 mol/L solution of H2Te(aq) is prepared and found to have a pH= 1.85. Calculate the Ka value for H2Te(aq). The Ka value for H2Te is 0.002279mol2/L2...

Health info

please check my answer thanks :) Mr. Jones, angry at Dr. Bob , throws a punch at him but misses. Dr Bob sues for battery. why will Dr Bob lose? 1.There was no physical contact 2. Dr Bob was not harmed I picked #1 no physical contact

How dogs learn

Please check my answer thanks True or False The statement below describes classical conditioning... Classical conditioning involves the paring of a conditioned stimulus with an unconditioned stimulus I picked True

Math(Please check)

The following function is one-to-one; find its inverse f(x)=x^3+5 I know that the first step would be to set y = to x so I did y=x^3+5 Then you swap x with y so x=y^3+5. Then you solve for y and this is where I think i messed up. I did y^3=x-5 = y=x^3-5 Then the inverse would ...

Spanish 8th grade-Could someone please check this

Mexico DF is the word for Mexico City in Spanish I think that is false because they either say Mexico or el DF referring to Districto Federal, correct? They never say Mexico DF do they?

Trigonometry, can someone check this please

A sled travels from point A at the top of a hill to point B at the bottom. If the sled travels 120 m from A to B and the vertical descent AC is 50 m, what is the angle of depression to the nearest degree? arctan=50/120

Social Studies (Check, Please!)

With that policy is John Foster Dulles associated with? A: John Foster Dulles is associated with brinkmanship—the willingness to go to the brink of war to force the other side to back down.

Spanish

Please check my answer. Are all the accent marks, grammar, and spelling correct? ¿Qué hago para ponerme en forma? Para ponerme en forma hago ejercisios y como bien.

Math

Jake can carry 6 1/4 pounds of wood in from the barn. His father can carry 1 5/7 times as much as Jake. How many pounds can Jake's father carry? Answer: 1 3/28 Can you please double check the above answer. I don't know if it is right or wrong. 2. A glass can hold 3 1/3 cups of...

spanish

Estoy interesado en conocer gente Quiero ver y experimentar otras culturas. Quiero aprender otras culturas. Quiero descubrir nuevas comidas y las personas. Quiero ver cómo es la vida sobre. Estoy interesado en sacar fotos de otros del país. Quiero probar diferentes alimentas...

Algebra

Hello again! I've got two questions I'm stuck on in an algebra worksheet. 1. Solve the equation: 2𝑦 + 5 = 1/2(4𝑦 + 8) (I really don't know how to solve these correctly, I've tried everything.) 2. The density of an object is calculated using the formula 𝐷...

math

It takes Bill 24 minutes to type and spell check 10 pages. Find how many pages he can type and spell check in 5.5 hours. Round to the nearest whole number if necessary. A. 55 pages B. 138 pages C. 792 pages D. 229 pages

algerbra

am i correct on this? question: solve and check square of 5x+6 is equal to x work and answer: square each side 5x+6=x^2 subtract 5x-6 on both sides 0=x^2-5x-6 (x+1)(x-6) x+1=0 subtract -1 on each side x= -1 is a reject x-6=0 add 6 on each side x=6 and 6 was my answer and the ...

Math

please check my answer thanks :) How much money must be deposited now, at 6% interest compounded semiannually to yield an annuity payment of $4,000 at tha beginning of each six-month period,for a total of five years? Round your answer to the nearest cent. A. $38,120.80 B. $35,...

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 ...

English

Could you please check these sentences, too? THank you. 1) I've just received an email from our national agency informing me that the deadline to apply to them for a preliminary visit to define the topic of our project was 18 November. What do you think we can do now? Do you ...

English

Could you please check my sentences, please? Thank you, Writeacher. 1) You can't get out of it: you must confess that you have broken the vase. We were having dinner when the lights went out. 2) The teacher invited me to look up the unknown words in the dictionary. 3) Would ...

Algebra 1 Answer Check (Reiny or Kuai)

Are my answers correct? Identify which lines are parallel. 1. y = 6; y = 6x + 5; y = 6x - 7; y = -8 A: y = 6; y = -8; y = 6x +5; y = 6x - 7 (all) 2. y = 3/4x - 1; y = -2x; y - 3 = 3/4(x - 5); y - 4 = -2(x + 2) A: y = 3/4x - 1; y- 3 = 3/4(x -5) Identify which lines are ...

chemistry- can you check my answers?

can you please check my answers?? 9. For the following reaction delta H=2816 kj. 6 CO2(g) + 6 H2O(l) -> C6H12O6(s) + 6O2(g) how is the equilibrium yeild of C6H12O6(s)affected by each of the following? a) increasing pressure of CO2 increase decrease no effect Answer: ...

Geometry-Please check

I have two questions If a parallelogram is a rhombus, then the diagonals are congruent- I don't think so-they can bisect each other and are perpendicular, correct but not congruent Secondly, A kite is a quadrilateral that has exactly 2 pairs of consecutive congruent sides-I ...

Foreign languages

Can you please check these questions, Witeacher? Thank you. 1) Focus on Chapter 10 of Stevenson's Dr. Jekyll and Mr. Hyde and describes how Dr. Jekyll manages to separate his two identities. 2) What kind of narrative technique does Stevenson adopt? 3) In what way are Dr. ...

Chem Check Please!!!

A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn2+(aq) 2 Al3+(aq) + 3 Mn(s). What is the potential, E, of this cell when [Mn2+] = 0.10 M and [Al3+] = 1.5 M? Answer: The EMF of this cell under standard conditions is : +1.66 V...

MATH!+ check please~ thanks in advance!

the equation 2x^2+ cy^2+Dx+Ey+f= 0 represent a conic. state the value(s) of C for which each of the following are possible: A circle: My answer: c= 2 an ellipse: My answer: c>0, cant equal 2 Parabola: My answer:c=0 a hyperbola: My answer: c<o ( any negative number) are ...

HIPPA Law

At what point during the course of treatment of a new pt should the notice and disclosure of health info ,required under HIPPA be given and why ? Please check my answer. I think that it should happen before treatment begins. does anyone else agree or have any other thoughts

Science 8th grade

Please check my answer thanks What's the potential benefit of administering CPR to a person whose heart has stopped beating? A. Prevent blood clots B Prevent permanent brain damage C Prevent pericardial effusion D Prevent heart failure I picked D

Advanced Math

Can someone check these for me? Please? Use half-angle identity to find the exact value of cos165 degrees. (-1/2) sqrt(2+sqrt(3)) Write the equation 2x+3y-5=0 in normal form. (-2sqrt(13)/13)x- (3sqrt(13)/13)y+ (5 sqrt (13)/13) = 0 Find the distance between the lines with ...

CHEMISTRY: DUE TONIGHT. CHECK MY ANSWER?

1. For the simple decomposition reaction below, rate = k[AB]2 and k = 0.40 L/mols. AB(g) A(g) + B(g) If the initial concentration of AB is 1.60 M, what is [AB] after 13.0 s? ANSWER: (.4)(13)=5.2 1/1.6=.625 5.2-.625=4.575 1/4.575= .2185 I tried .22 & .21. They are both wrong. I...

English

To cite sources correctly in APA, a research-based paper must contain both in-text citations and a references page that contains full citations of each source mentioned in the paper. True False I say True. Please check my work.

Chemistry(please check, thank you!!)

Is this equation balanced? CoCl2(aq) + Na2CO3(aq) -> CoCO3(s) + 2NaCl(aq) I think that it is because there is 1 Co on the left and 1 on the right. There is 2 cl on the left and 2 on the right. 2 Na on the left and 2 on the right and 3 CO on left and on right. Am I correct...

math

Winborne has 35 coins consisting of dimes and nickels. If the value of his coins is $3.30 then how many of each type does he have? Please help to check on correct answer my answer is 31 dimes and 3 nickels

Math

This is the same equation as before just with different numbers. y=yo + (vo sin Q) t - 1/2gt^2 This time the numbers are: 0 = 1.005 + (3.021 sin 30)t - 1/2(9.8)t^2 4.9t^2 - 1.5105 - 1.005 = 0 This is the part where I am stuck. Did I do this correctly? sin 30 = 0.50 X 3.021 = 1...

math

I am a little confused on the first question of this problem could someone please check my answers and please explain why and what I need to do to get correct answer thank you Calculate the mean, and write this as a mixed fraction. 12,9,4,6,8,12,13,14,11,5,12,2,9,13 answer I ...

math

From the following data calculate final balance and forward it in the pay stubs. Beginning balance $2000 Jan 2 Deposit $500 Jan 10 Check written to Alex company $600 Jan 16 Check written to Angels Company

Physics (please check)

Please let me know if my answers are not correct/not thorough enough. 1) Q:What happens when the number of loops in the armature of a generator is increased? 1) A:More loops= more voltage _________________________ 2) Q: Why does a piece of iron behave like a temporary magnet ...

History of health care

Please check my answer thanks :) The American Association Of labor Legislation helped to Decrease public hospital costs or to implement fee schedules I said decrease public hospital costs

language please check

1-the baby was the PRINCIPLE reason for his happiness 2-the jury heard only the PRINCIPLE facts 3-It's not the facts that upset me,it's the PRICIPALS of the case 4-his hay fever was the PRINCIPLE reason for his sneezing 5-she was a person of strong PRINCIPLE

english

Please check the meaning: "Like a cat in a corn crib, the girl pup sneaked in from behind and sank her needlesharp teeth in the coon's back." Just the "like a cat in a corn crib" part. Thanks!

Chemistry(Please check, thanks)

Which choice below has the highest standard molar entropy? SiCl4(s), CCl4(g), CCl4(l), Si(Cl4(l) I know that the gas state has the largest entropy so SiCl4(s) would have the highest. Is my answer correct? Thank you!!

Grammar

Recent graduates often demonstrate poor writing skills, hiring managers say. Subjects is graduates Verb is often Object is skills Please check my answers for subject, verb and objects.

math help please check my answer

A roofer is standing on the roof of a house 60 ft above the ground. His truck is parked 25 ft from the house. What is the angle of depression from the roofer to his truck? Round to the nearest whole degree. 22° 23° 67° 68° <my answer choice

math

log4(x-3)=2 4^2=x-3 16=x-3 19=x Does this mean the solution would be x=19 or no solution? How would I check this to know if 19 is a solution. I know I plug it back in. Like so: log4(19-3)=2 4^2=19-3 16=16 Did i check correctly?

Language Arts (Please Check)

1)Resilient people usually a)complain when they have bad luck b) bring good luck to others c)are able to deal with others** 2)when the someone refers to pausing to " enjoy the view of the trees and the flowers below," he really is talking about a) looking down at the view from...

math,algebra,correction

x = (-5 +/-ã85)/10 do you mean -0.5 or -5 is this right? solve by using the quadratic formula: 5x^2+5x=3 i get: x= -0.5 (+/-)((sqrt(85)/(5)) check up on your proper use of the formula I got x = (-5 +/-√85)/10 which, if you want to separate it into two terms is 1/2...

testing and selection of dogs

please check this for me thanks you Which one of the following pups would be best suited for future protection training? A. A large pup that can intimidate criminals B. A pup that demonstrates a high degree of aggression C. A pup that's confident and comfortable with humans D...

Applied Dog Behavior

please check my answer thanks 16. The trait of tameness in foxes turned out to be linked with the traits of A. lop ears and spotted coats. B. shorter muzzles and high-pitched barks. C. licking and leaping around. D. longer coats and less shedding. I picked answer C

behavior problems(dogs)

Please check my answer thanks The dog's desire to be in the same room with his owners is evidence of A. lack of confidence. B. pack drive. C. poor early socialization. D. separation anxiety I picked A ( wolves like to be part of a pack as well as dogs) tho D also sounds good

U.S.History

please check The Spanish established outposts in the Southeast to a. trade with Native Americans b. encourage Spanish immigration c. search for previous metals d. protect its trade routes not sure..can i get some help A typical slaveowner might have described his slaves as a. ...

Algebra 1 Answer Check (Reiny)

Identify which lines are parallel. 1. y = 6; y = 6x + 5; y = 6x - 7; y = -8 A: y = 6; y = -8; y = 6x +5; y = 6x - 7 (all) 2. y = 3/4x - 1; y = -2x; y - 3 = 3/4(x - 5); y - 4 = -2(x + 2) A: y = 3/4x - 1; y- 3 = 3/4(x -5) Identify which lines are perpendicular. 3. y = 2/3x - 4; ...

History

Hi, I have a project which requires us to "contrast the key traditional roles played by drums in English and Nishnabe cultures. Why might they have developed so differently" and I can't find any info. on the net. Does anyone know where I could find some? I didn't find much ...

U.S. History

please check this answer 1. A major goal of the encomienda system was to a. force Native Americans to work for Spanish colonist b. drive Native Europeans off their land c. help Europeans adapt to Native American culture d. prevent the development of social classes in the ...

spanish

please check this: "¿Quieres ir a Miami conmigo?" "¡Vamos! Yo _____ bien la ciudad." a. salgo b. traigo c. sé d. conozco D? "¡Antonio habla muy bien el alemán!" "Sí. Su profesora dice que él aprende bien _____." a. loss idiomas b. la geometría c. la química d. la ...

geography

1. What Argentine river has the same name as one of the states in the United States? The Colorado River 2. What landform is part of the northwest corner of Africa? mountains 3. What is the capital of Germany? Berlin 4. What natural boundary separates Tennessee and Arkansas? ...

english (notificatins)

an appeal to logic--(persuasive appeals) the emotions that a speaker demonstrates towards his or her subject--(pathos) an appeal to the credibilty of the speaker--(ethos) an appeal to a sense of right or wrong--(logos) devices in a speech that seek to convince an audience(...

CHECK PLEASE!!

I think its C. I know it cant be D. Why did early humans migrate to new places? A. Wild animals forced them to seek safer homes. B. They needed new lands to plant crops. C. They followed animal herds that moved as the climate changed. D. They moved to find new sources of food.

Check please !!!

I think its C or B Why did early humans migrate to new places? A. Wild animals forced them to seek safer homes. B. They needed new lands to plant crops. C. They followed animal herds that moved as the climate changed. D. They moved to find new sources of food

math

how would you simplify this equation: y = (x+3)/[(4-sqrt(16+h))] please help me! you have three variables. I am not certain "simplify" is an appropriate term here. ohhhh it was my mistake. I meant: y = h/[(4-sqrt(16+h))] y = h/[(4-sqrt(16+h))] rationalize the denominator.. y...

English

Tony Smith 47120-34 Albertroad Strathfield. 2135. Sydney NSW Australia (This is an address. Would you check it? And let me knwo how to read the numbers. What about the punctuation marks. Do we have to use 'commas' or' full stops'? Please correct errors and let me know the ...

SPANISH 3 URGENT!!!!!!!!!

combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c. la sopa d. la receta e. la pimienta f. la ensalada g. el pimiento h. ...

Spanish

Please check my answers... 1.) "He is playing cards" is said like this: él está jugando a las cartas. 2.) Is this how you say "My friend plays soccer": Mi cuates juega al fútbol. 3.) Is this how you say "they are in a hurry": que tienen prisa. 4.) True or False: The ...

Social Studies

1. You are a migrant worker from India who has come to Kuwait. In which industry are you most likely to seek work? A. Fishing B. Oil** C. Farming D. Livestock B? 2. Which of the following has the greatest impact on human settlement in Iraq? A. Oil resources** B. Mountain ...

English 2

What is the tone of the following lines in "At the Tourist Centre of Boston"? I seem to remember people, at least in the cities, also slush , machines and assorted garbage. Perhaps that was my private mirage which will just evaporate when I go back. -embarrassed -ironic -...

Please check my answer(Social Studies)

Which was a significant reason Middle Colonies were more favorable to farmers of new england? Select all that apply The climate was cooler The growing season was longer the soil was fertile•• Crops grew better along the coast There were more people to tend the farms••

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...

math

the two-digit number whose cube root is the square root of the sum of its digits THe cube root of 27 is 3. Only two possible answers; 27 or 64 Looks fairly obvious. 2+7 = 9. Sqrt 9 = 3 and (27)^1/3 = 3. check. 6+ 4 = 10. sqrt 10 = 3+ and (64)^1/3 = 4 doesn't check. or have I ...

English

Posted by rfvv on Monday, March 22, 2010 at 3:48am. the video media yp club the print media yp club the information telecommunication yp the RCY club the English conversation club the environment guard club the quilt club the reading essay club / the reading and writing club ...

Algebra. Help me please!

Andrew decides to wait until age 65 to begin receiving social security benefits. Find the present value of his estimated $26,000 per year in payment assuming 6%per year and payment until his 90th birthday. A. $265,263.20 B. $322,3667.36 C. $338,082.42 D. $281,059.48 (Please ...

Tina

How do I solve this? (2/3^2 divided by 4/5 divided by 1/3? I keep trying and anm coming up with the answer 25/4. Can someone check and see if I am wrong or right, and see what the answer is. Thanks! sorry- 2/3^ divided by 4/5 divided by 1/3 2/3 squared is 4/9. Divided by 4/5 ...

Algebra

Please help to find x, y 1. 8x-y=17 6x+y=11 2. 5x-2y=17 2x+3y=3 Question no.1 8x-y=17 6x+y=11 (adding the equation) __________ (-y and +y will be 0) 14x =28 Taking variables to one side x=28 __ 14 14*2=28 therefore x=2 substitute this value of x in equation 2 6x+y=11 6*2+y=11 ...

Algebra

how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different answers when I tried to check it. It kind of looks like (27-49) (3) except all the numbers have their own square root symbol. I don't know if it will be ...

Algebra 1B

This Question is in multiple sections. f(x)= -2x^2+2x+10 is the problem 1)What is the x coordinate of vertex in simplified fraction? 2)What is the y coordinate of vertex in simplified fraction? 3)What is the line of symmetry? 4)What is the maximum/minumum of f(x)? 5)The value ...

Physics(Please check)

There is a PV diagram with ABC and the cycle is moving clockwise. segment AB is isobaric BC is isochronic AC cannot be determined The delta U for this is zero and the W=positive. The last questions asks if the heat flow Q is positive, negative, or zero and the answer given is ...

Chemistry(Please check)

List the conjugate base for the following acids: 1) Acid = CH3CH2CH2NH3^+ Conjugate base = CH3CH2CH2NH2^- 2) Acid = CH3CH2CH2OH2^+ Conjugate base = CH3CH2CH2OH^- Are my answers correct? Thank you!

Chemistry: please check

At which electrode does oxidation occur in a voltaic cell? anode only cathode only *both anode and cathode either anode or cathode, depending on the metal Thank You.

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