Algebra, help + check please

103,406 results, page 27

Algebra one PLEASE HELP THX!!

ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the variable and write an ...

Science

In the UK, what is the recommended allowance for: 1) salt in a day 2) water in a day 3) fruit in a day 4) calories in a day men 5) calories in a day women 6) fat in men 7) fat in women my answers are: 1) 6g 2) 6 - 8 glasses 3) 5 4) 2550 5) 1940 6) 7) Please can you check my ...

thermodyn. please check work

What is the sign of heat(Q), Work(W), or Temperature for these following situations. Say if it's +,-, or 0. 1)You hit a nail with a hammer: +W, Q=0, T=0 2)You hold a nail over a Bunsen burner: Q=+Q, Temp:constant, W=0 3)You compress the air in a bicycle pump by pushing down on...

Math--I need help!

I have these two questions on my assignment. Please help me. 80 mi. = _______ km. 9 cm. = _______ m. 9cm (1m/100cm)=??? 80miles (1 km/1600m) one mile = 1.6093 km so 80 times 1.6093 = what? one cm = 1/100 m or .01 m so 9 cm = 9 times .01 = what? 9 cm = 0.09 m. 80mi.= 128.72km. ...

Algebra please explain

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks

Algebra 2

Can somebody please give me a short explanation (like, a very simple sentence) on how exponents and algorithms are related? I know what they are (for example:) Exponents are the inverse of logarithms and vice versa. 6^2 = 36 Log6(36) = 2 But can somebody please help me explain...

Technology

1. What column do you put deposits in when you are balancing your checkbook? A. date B. transaction** C. debit D. credit 2. When creating a formula for balancing a checkbook, what do you subtract from the credits? A. debits B. check numbers** C. transactions D. dates 3. Why is...

Genetics (plz check answer)

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.

bio (plz check answer)

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.

math

2/3 over 10 equals 1.8/r solve for r. (2/3)/10 = 1.8r. First, invert and multiply the denominator; i.e.,10. (2/3)*(1/10) = 1.8/r 2/30 = 1.8/r Now cross multiply. 2r = 30*1.8 2r = 54 Now divide both sides by 2 2r/2 = 54/2 r = 27 check my thinking. check my work.

Math

Please check my answer thanks :) When repaing an installment loan of $3,500 with 20 equal monthly payments of $196 each , the apr of the loan is my answer is 13.5 %

anna

There is a right triangle. the legs are x and y and the hypotenuse is 120. the angle opposite x is 58. please check my answer. x= 120 y=64 because: SIN58= x/120 COS58=y/120

Math(Please check)

1) Use the cofunction identites to evaluate the expression without the aid of a calculator. cos^2 18 degrees + cos^2 72 degrees.

Science-PsyDAG

PsyDAG, could you please check my post on that science experiment thing, if you have time. I posted it yesterday on here, but you were never on. Thanks:-)

8th grade math

Can you please check my answer? Selena received $42 commission for selling a computer for $1400. What percent is her commission? my answer: 3%

Math(Please check)

Determine whether on not the following limit exists. If, so compute the limit. lim x->3 of sqrtx - 4 / x^3 +27 sqrt 3 - 4 / x^3 + 27 = sqrt 3 -4 / 54 Is this correct?

chemistry(Please Check)

CaCl2(aq)+Na3PO4(aq) -----------> Ca3(PO4)2(s) +NaCl(aq)4) If the “H” for this reaction is -45.5 kJ/mol, is the reaction endo- or exothermic? Exothermic

science

Please check these! Physical or Chemical properties? 1. solubility = physical 2. melting point = physical 3. reacts with water to form a gas = physical

english Please check answer

10. In a research proposal, your sources should not have the potential to answer research questions. A.) true *B.) false Thank You

Calculus-Differentials-Check please?

if the sides of a cube are measured with an error of 2% use differentials to estimate the relative error in the volume df= 3x^2 * dx df= 3x^2 * 1/50 df= 3/50*x^2 is this right?

@JoJay12

I deleted your umpteen questions because you included no answers. If you want help on a few, please post no more than five questions along with your answers. We'll check them for you.

Spanish-7th grade-Please check my answers

Could someone check these please?I had place a possessive adjective in place of el 1. El hermano de Juan y Pedro se llama Bret Answer: Su hermano se llama Bret 2.Replace los with possessive Los hermanos de Paco y Linda se llama Santiago y Jose Answer: Sus hermanos se llaman ...

English

Can you please check these other sentences I'm not sure of? Thank you. 1) After visiting the Roman findings (better ruins/remains) in Aquileia, we had a "free lunch". (we were free for lunch, we were free to have lunch where we wanted, our teachers gave us some free time for ...

algebra

please check and correct if needed. thanks problem: you have coupon of $50 off your telephone purchase of $100 or more at bell store. a. write a function relating phone purchase price after coupon, y, to the retail price, x . give the domain of this function i wrote y => (...

previous post

has anyone read my 4 previous posts? I really need someone to check my answers. Please be patient, Erin. Our advanced math teachers are not online right now, it seems. =)

Law

Please check my answer thanks :) A pre trial conference most likley would occur before dicovery begins but after the complaint is filed True or False I said True

Health care

Please check my answer thank you :) What is based on per-person premiums or membership fees ? 1. Capitation 2. Fee-for service 3. Medical savings account 4. Retrospective payment system My answer is # 1

Health/Specialty Exams and Advance Techniques

please check the answer to this question thanks True or False The external auditory canal contains hair and wax-producing glands I said True

Dogs Hunting Training

Please check my answer thank you very much for all of your help :) Which of the following is not a trained ability ? A. Range B. Pattern C. Gun response D. Reponse to wind and scenting condititions My answer is C

Math

can someone please check my answers simplest form evaluate 2/3+3/5-5/7= 58/105 6. 3/7*24/25 divide by 6/7= 12/25 8.find GCF 432,360,288=72 9. 1050,9360,330=30 11. find LCM 14,75,78=13,650

Math(Please check)

I am trying to find the standard form of this equation for an ellipse. 9x^2 + 4y^2 - 36x + 8y + 31 = 0 First I grouped the x and y's together. 9x^2 - 36x + ? + 4y^2 + 8y + ? = -31 + ? + ? Then I factored the 9 and 4. 9(x^2-4x+4) + 4(x^2+2x+1) = -31+36+4 9(x-2)^2 + 4(x-1)^2 = 9...

Math: please check

A card is drawn at random from an ordinary deck of playing cards. Find the following odds: Odds against drawing a king, queen, jack, or ace Would this not be 16/52=4/13

Writing

Can you please check my citation? I'm trying to find out if it's correct. "How Deforestation Affects Us." Edu.udym. 11 Aug. 2008.web. 23 Oct. 2010. <url> (I'd put the url if jishka would let me)

Chemistry(Please check)

If the reaction Cl2 (g) + O3 (g) = Cl2O (g) + O2 (g) occurred in just two steps, what would be the overall order of the reaction be? a. 1 b. 2 c. 3 d. 4 e. not possible to determine from the information given I chose 2 as the answer. Is this correct?

government

This one im for sure is A but i just want to check and make sure help please. Why did early groups of people form governments? A. to help them survive B. to preserve democracy C. to provide leadership opportunities D. to encourage the arts

English

Be quiet. Listen to me. Emily, calm down. You are so noisy. Stand up and go to the back. You should remain at the back for the rest of the class. Got it? (Would you check the sentences? Correct errors, please.)

Check my answer please!

I think its decades Jill enjoys reading about American history, especially the last 40 years, or four _____________, of the nineteenth century. A. centuries B. millennia C. decades D. eras

Chemistry Help - Check Please

1) Describe 4 processes/forces that can explain all mechanism in Organic Chemistry? My answers: a) Electron Delocalization b) Hydrogen Bonding c) Aromacity d) Nucleophilic Substitution (SN1 & SN2) Thank you!

German

Can someone please check my German? _____ du die Fragen? A.Beantwortest B.Fragtest <<< C.Weiß D.Lest Wir lernen über Computers in ___. A. Sozialkunde B. Englisch C. Informatik <<<< D. Integralrechnung

English

Please check this! The diction of "at the tourist centre in boston" can best be described as.. A. Emotionally charged B. Colloquial and relying on slang C. Informal and simple D. Mostly figurative I don't think it's C or D? My best guess is A.

Science

Which of the following illustrates how fossil fuels can be conserved? A.) driving more frequently B.) developing more coal-burning power plants. * C.) reducing electrical use Can someone check this please?

MATH CHECK ANSWERS

CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24...

MATH CHECK ANSWERS

CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24...

Spanish

Could you please check these -thank you 1.How do you say I am going to wake up early I think it is "Yo me voy a despertar temprano" 2. What is another way of saying "Voy a secarme el pelo. Is it "Me voy a secar el pello.

Foreign languages

Can you check these sentences, Writaecher? 1) Can you please tell me how far ...... hotel is from the beach? 2) As a matter of fact, I was looking for a hotel on a seafront. Do you think I should opt for the ..... Hotel?

To Ms.Sue And All Teachers

I am new in this website. Please help me with my math homework. How do you subtract fractions? How do you subtract 7 and 2/5 AND 4 and 5/10? (7 and 2/5 - 4 and 5/10) How do you subtract 6/10 and 6/20? Thank you! Please visit the following site for a super good tutorial: http...

Management Accounting

well i try to solve this problem but it look so complicated I need to cash buget what's the problem? check the problem i don't get it check the problem i don't get it

english grammar

I already answer the grammar exam of 100 question, now I want to check my answers if it is correct or not. How can I check my answers.

math

can someone check my answers please add -3/5 +(8/35) = -13/35 find the reciprocal of 1/3 (9-4)= 5/3 subtract 7/9-(-13/18)=3/2 find the reciprocal of -1/9(-9-3)=4/3

Math(Please check answer)

Simplify each expression. 1)(sqrt7 + 5)(sqrt7 -6) My answer is sqrt 7 - 30 Am I correct?

Algebra2

Check Please? Determine if the given function is even, odd or neither. 1. f(x) = 3x^4 - 2x^2 =Even. 2. f(x) = x^3 + x = Odd.

algebra

write an equation of the line containing the given point and parallel to the given line (3,-3) 7x-2y=5 need help please 7(3)-2(-3)= 5 ? 21- 6= 5? this does not look right, please show me where I am supposed to place the (3,-3)to solve the equation thanks

Spanish-SraJMcGin please help ?

I'm so confused with these-please check them. ¿Estudias algo los sábados? No, no estudio nada los sábados.Do I need the no, no or just one no, estudio? ¿Hablas a francés a veces? No, no hablo nunca a francés. Once again, do I need no, no hablos or just no, hablo nunca?

Algebra 2

please please please help

Programming Logic

How do I write case logic pseudocode and visual logic nested if-then-else flow charts for atm check balances, making remote photo capture check deposits, and perform balance transfers?

Algebra

Hello....I was helped on this question earlier, but I don't understand why we divide by 2? Please help, please see the below: The president will order 5 turkey sandwich combos and 7 steak lunches and spends $124.00. The other president will get 10 turkey combos and 5 steak ...

algebra 2

f(x) =x^4 - x^3 -4x^2 +4. find factor and graph. I only factor to this step: (x^3 - 4x-4)(x-1) = f(x) but i don't know how to continue this step to require factor more completely and graph it. Please help. this is algebra 2. Thank you.

algebra

1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine fewer than a number t...

Algebra

Find three ordered pairs (a,b) that satisfy the equation 3a - 5b = 9. So far, I got (3,0). I'm having trouble finding others. Does anyone have suggestions on other easy ways to find ordered pairs besides guess-and-check? Thank you!

ALGEBRA

CAN YOU PLEASE HELP, I AM STUCK..THANKS FIND THE DISTANCE BETWEEN (-3,2) AND (1,4) FIND THE DISTANCE BETWEEN (-4,0) AND -5,-3) DETERMINE WHETHER THE ROOT OF 77 IS RATIONAL OR IRRATIONAL. THANKS IN ADVANCE, I APPRECIATE ALL OF THE HELP.... No algebra teacher seems to be online ...

Math

please help me I am not really sure about this please check answer thanks :) Mary has decided to purchase furniture. She has 2 choices she can pay the full amount of $4,200.The other choice is to finance the furniture for two years with an installment loan. The loan requires a...

Algebra please help answer

A certain colony of bacteria triples in length every 10 minutes. It's length is now 1 millimeter. How long will it be in 40 minutes? Please help answer thx

physics

In terms of given quantities, by what amount of time, , does Tim beat Rick? It will help you check your answer if you simplify it algebraically and check the special case . Express the difference in time, in terms of , , and .

math

The estimated completion time for a inspection consisting of 100 check points is 3 1/3 hours if u take away 3hours whats the estimated rate of completion per check point

English

Could you please check these few sentences for me, please? Thanks 1) He is ambitious and thirsty for power. He turns into a murderous tyrant as a result of his ambition. 2) A vote was taken (do you know a synonym) in the late afternoon. On July 4 (on July fourth) but on the ...

Law

If the result of a case is that the defendent has to go o jail for a year then it was likely a malpractice case true or false I said True please check my answer thanks :)

Anatomy and Physiology

PLease check my answer thanks The burn that involves destruction of the epidermis,dermis and subcutaneous layers. My answer A thrid degree burn

Meicare reimbursement

please check my answer thanks True or False A provisionally accredited hospital gets medicare reimbursement so that it can stay open True

maths

decide whether the graphs of the two equations are parallel lines: 1. 2x+3y=5 9y+6x-1=0 answer: yes 2. 15+3x-10y=0 30x+24=10y answer: yes please check if this is right. thanks

3rd math homework

number sense write a subtraction fact using 6 such as 6 - ? = ?. then write an addtion fact you could use to check it. please help! thanks

Chemistry(Please check)

What is molar solubility of Al(OH)3 at 25 degrees C given the solubility product Ksp = 5.0e-33? I set this up as Al^3+ + 3OH^- Ksp=[Al^3+][OH^-]^3 5.0e-33 = (x)(3x)^3 Before I go any further did I do this correctly?

math

if 7 sheets of paper are made per day, how many are made in 1 week: 49 4 weeks:196 52 weeks:364 2 years:728 please check

Physics -- check answers please

Light travelling in water is incident on air refracts at an angle of 27 degrees. What is the angle of incidence? my answer: 37 degrees

Physics Help Please!!!! Check!

if I weigh N on Earth and 5320 N on the surface of a planet, what is the acceleration due to gravity on that planet? mg=702N m=702/9.8=71.6 kg mg=5320N g=5320/71.6=74.3 m/s^2

Derivatives

Find the derivative of the following questions; ³√2t/(t^2-4) Every thing is under the ³√ and the / is a fraction bar. My answer is y'= t(2t)^3 Can you check my answer please

Grammar

Each sentence in a paragraph should relate to the idea that the topic sentence introduces. 1. True 2. False I answered true. Please check my answer and Thank you for your help.

Chemistry(please check my answer)

The transuranium elements A. are the elements with atomic numbers above 92. *** B. occur in nature. C. are sometimes radioactive. D. all of the above

English

The sentence below requires a citation. The United States of America has 50 states. True False I say True. Please check my answer.

Science

One way to stabilize the world population is to reduce ______________________ by improving women's status and educational opportunities. Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject.

English-(PLEASE CHECK)

How have things changed for African Americans and women since the 1959 first performance of A Raisin in the Sun? My Answer- They are more respected and there is less discrimination against them. Should I add anything else?

English

Can you please check this for grammar. Edsel and Eleanor Ford commissioned Albert Kahn to build their home and William R. Valentiner, director of the DIA to help lay the basic foundations for the paintings, furniture, and objects that completed each of the rooms.

English

At the school talent show, Tom is doing voices of the formal President. Don is presenting a pansori, a kind of folk play. David and Tony are singing Oh! Susanna to a piano. (Would you check the passage? Correct errors, please.)

spanish please check!

Yo fue al dentista la semana pasada Pablo corrio el perro y su por parque ellos leyo periodicos tres cada dia Dona Rita supo la historia de nunca la verdad

English

I am going to go to Children's Grand Park this weekend. I want to ride a roller coaster and a merry-go-round there. I also want to take as many pictures as possible. I think it'll be a lot of fun. --------------- Would you check this passage and correct any errors, please?

PLEASE CHECK! ELA

1. Which word group is a complete sentence? A- The exciting end of the baseball game. B- She did not understand what happened. C- Two energetic women walking in the park. D- Started his homework late Saturday night. My guess is B.

PLEASE CHECK! ELA

Which word group is a sentence fragment? A- Waiting patiently in the lobby was a small boy. B- Construction paper, scissors, and paintbrushes in a pile on the table. C- On the front door was pinned a note. D- Stop! My guess is B.

PRECAL!

Prove: (3cosx + 4sinx)^2 + (4cosx - 3sinx)^2=5 ...this is all under the square root sign. this is what i did please check. i multipied both binomials. but i get cos square x..and sincosx ..how do i combine them..please help! In this case, after multiplying binomials, there ...

Math HELP!!!

x2 + x + -3.75 = 0 Please... I'm horrible at algebra. x=7.5 and x=-8.5 THANK YOU SO MUCH

Algebra

Please help me complete the square...I'm lost! x^2+y^2-1/2=-x-y

Algebra

5x-6=4x+2 Can someone help me how to solve this problem please?

Algebra 1 HELP!

x+5/8+3x/4=2/3+5x Please show how you got the answer!

algebra 2

piecewise function : g(x)=/x/ +3 please help me solve this

Algebra

3Z+6Z+7=29-4 Please shoe how to solve this Problem.

Algebra please help!

How do you know if a graph will grow or decay?

algebra

Can someone please help me with this? Solve ∛(x+1) = 3

Algebra

Please explaine how i would do this problem.... 8 1/9 - 1 6/7 = ?????

ALGEBRA

HOW DO YOU FACTOR A^3-27. PLEASE EXPLAIN IN DETAIL

algebra 1

I don't know how to factor this polynomial. r^3+6r^2+11r+6 Please help.

Algebra ll

Someone please help me. Roots and Zeros -9x-15=0

algebra

For the following please find (f o g)(x) and (g o f)(x) f(x) = sqrt x^2 - 2, g(x) = x^2

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