Algebra, help + check please
106,899 results, page 52

intermidate algebra
Just not good at this, factor complete, or state that the polynomial is prime. 9y^4+42y^3+49y^2 (9+y)(9y)+42(y+3)(y3)^2+49(y+2(y2) I can not seem to get it right. so help me please 
algebra please help
1/ 2/ 3x^222x40 + 2/3x^216x + 20 add and simplify can some one show me what im doing to help me solve this problem because this is due by midnight and i do not understand this. 
Algebra
What is the solution of 7 + m is greater than or equal to 2 and m + 1 is less than 2? Please explain or show how you got the answerI'm having a really hard time 
algebra
Juan charges $3.50 per hour for babysitting. From this, how would you figure out how long it takes him to make 15 dollars? HELP PLEASE 
PreAlgebra
Victoria you helped me with the last problem can you help me again with this one please? 26cm/s=m/min. Convert this using the dimensional analysis.Thankyou.kj 
Algebra
Determine whether x >  4 is a solution of the inequality. I really can't figure this out. Please help! Thank you again. You people are wonderful. Thank you for your time and genorosity. 
Algrebra
How do you insert grouping symbols to make this equation true? 14 divided by (5+2) +8=10 14/7=2+8=10 Please confirm, I really have an issue with Algebra 
college algebra
how long would it take $3,100 to grow to $8,800 if the annual rate is 3.5% and interest is compounded monthly? please help 
Maths
I am just starting to learn algebra. My question is 2n(910n)=? I have to simplify this. I think it is 8n9 Can you please tell me if this is correct or how to do it? Thanks a lot 
algebra
Simplify each expression. Justify your steps using the Commutative, Associative and Distributive Properties when necessary 8k2 + 4k  3k2 + 3^2  k + 5 Please let me 
algebra
Solve the following inequality and write your answer using interval notation . Please show all your work 10^3 + 6x^2  90x  54 < 0 
college algebra
Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 3^x70*3^x=9 
Algebra
Write an equation for the ellipse that satisfies the set of conditions. endpoint of major axis at ( 0, 10) and (0, 10) foci at (0, 8) and (08) Please help, I really don't understand how to do this 
Algebra
Find all intervals on which the given expressions are positive. (x1)(x+2) I know the answer is : x<2, x>1 please show me the steps on how to solve this math problem. 
college algebra
determine the quadratic function f whose graph is given. the vertex is (1,3) y intercept is 2 please show work so i can see how this is done, thank you! 
algebra
write an equation of the line in point slope form that passes through the two given points.(2,15),(9,18).Please explain 
Algebra Ms. Sue please help
Tiffanny has 100 coins in dimes and nickels. She has a total of $5.80. How many of each coin does she have. Write the equations then solve. 
Algebra/Biology
y=2.12x + 0.004 and Protein A treated w/Bradford Reagent and has an A595 of 0.53. Can you please explain how to calculate this problem so I know in the future? Thanks for your help. 
algebra
What is the quotient in simpliest form? State any restrictions on the variable. x+2/x1 divided by x+4/x^2+4x5. My answer (x+2)(x+5)/x+4; don't get the restriction part either 5,4 or 1,4,5 Can someone please help? 
college algebra
Passing through point (1,4); perpendicular to 2x+y=5 How do I solve this? I think it might be this but not sure please let me know what step I left out Thanks:) 2x+y=5 y=52x y=2x5 M1=2 4=1/2(1)+c=1+c C=4 Y=1/4x1 
algebra
I need to find the approx. value for x that are solutions to f(x)=0 for f(x)=5x^2 + 7x + 2 please show steps as the answer I got does not match any of the multiple choices. 
Algebra
Rewrite 2x  3y ≤ 6 in slopeintercept format. I'm really not sure how to answer this question. Can you please guide me through the steps? 
Algebra 1
Hi! I'm doing my math homework, but I got confused. Can someone please help me how to solve simplest radical forms with an example? With square roots? 
College Algebra
The problems reads: "The equation x^29x=0 has 2 solutions A and B. Where A < B. The answers I got where x=0 and x=9, however my online homework is saying its incorrect. Please help me (x9)x=0 x^2=9x (x9/2)^281/4=0 
Algebra, help please!!!
A penny, nickel, dime, and a quarter are tossed. What is the probability of the event of obtaining at least three heads on the tosses? 
Algebra 2
More About Complex Numbers Find the conjugate of each number. 1.)squ root of 37/8i 2.) 2mi 3.) 6 Please show work I need help 
Algebra
Please help me to solve this equation. Here is the question: a+b=c implies ac<+>bc = ab. Use this to create three reductions involving integers only. (E.g. 1+2=3, so 3<+>6=2.) 
Algebra 2
Solve each polynomial equation. If a solution occurs more than once, state it's multiplicity. 4x^413^2+9=0 Please show work I need help 
Algebra 1
{3x+y=9 {3x+2y=12 What is the yvalue of the solution to this system of equations? A. 7 B. 3 C. 2 D. 1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks. 
Algebra/Math
Write an inequality to represent the situation: The temperature stayed above 15*. I've already done this test, but I'm doing corrections. Please help? I'm thinking that the 15* is <=. 
physics/algebra
82.35 m = (0)t + 1/2(9.8)t^2 t = 4.1 s is correct Could someone please walk me through this? I could not get an answer because of the negative (maybe my order of operations is wrong) I have no idea! 
Algebra 1
Name The Subsets Of The Real Numbers To Which Each Number Belongs: A.2.324 B.Square Root Of 46 I don't even know what this stuff means. Please help! 
algebra
Simplify using long division.Show all work. (724x^2+8x^336x)/(x3) Also,please solve (8b^36)/(2b1) I greatly appreciate your help. 
Algebra
Rectangular court figure 99ft and 77 ft. Please help me solve this 99*77 7623? 99 plus 77 176? *sorry addition key isn't working* 
Algebra 2
Solve by elimination 2x+2y+3z=0 2xy+z=3 2x+3y+3z=5 Please help. I have 5 pages and 3 hours spent and found the question on Google, but the calculations did not add up correctly. Thank you 
algebra 2 please help :(
Let f(x)=201+9e−3x . What is the point of maximum growth rate for the logistic function f(x)=20/1+9e^3x ? Round your answer to the nearest hundredth. (0, 2) <my choice (5.54, 9) (0.73, 10) (0.73, 20) 
algebra 2
A car is traveling at 40 mph. The radius of its wheels are 14 inches. How many revolutions per minute? Please show work. I don't understand this. 
English
Could you please check the following sentences, please? Thank you. 1)I'm still waiting to receive an answer from the principal of the German school to see if they are willing to accept your school in our Comenius partership. 2) In any case, our science teachers are really ... 
Physics with work, pls help
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^7 and it was incorrect. (... 
Math (Check Answers Please)
(Please tell me if I did a good job!) Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. (My answer:) 3x + 5 = 3x + 5 This equation is equal to its ... 
English(PLEASE CHECK)
Why does Curley's wife pose a threat to Lennie and George? My Answer She flirts w/ other men + Lennie is interested; Curley might find out; Curley will find any reason to fight w/ Lennie. 
Science 8th grade
Please check my answer thanks What makes up most of the volume of blod plasma ? A Reb blood cells B Water C Plasma proteins D White blood cells I think it's Red blood cells 
Physics(Please check)
After 14.6 s, a spinning roulette wheel has slowed down to an angular velocity of 1.22 rad/s. During this time, the wheel has an angular acceleration of 4.51 rad/s2. Determine the angular displacement of the wheel. I did w0= wf + (4.51)(14.6) = 1.22+45.1 46.32(14.6)  (1/2)(4... 
Math
Mr. R has some money to buy oranges, if he will buy 15 oranges he will need $90 more, if he will buy 10 oranges he will have $60 left. how much money has mr. R? Please kindly solve this using George Polya method.. guess and check... 
Please Help!!!!!!
Solve the Trigonometric equation for all solutions between [0,360)degrees. Sinx + 1 = 2.6635 Please, Please, Please Help Me!!!!!!!!!! 
HELPPP~Reading! ! !
Can you PLEASE PLEASE PLEASE PRITTY PLEASE WITH A CHERRY ON TOP help me find a link that will give me the meanings of idioms? 
English
I was wondering does anybody have answers to the The Renaissance: 1485–1660: Unit Test please I'm failing please please please help me thank you :) 
algebra
help please im on my final exam for algebra and i need to pass this is the second time taking it. media services charges $20 for a phone and $30 a month for itd economy plan. the equation c=30t+20 describes the total cost c, of operating a media service phone for t months. the... 
linear algebra check
Use the GramSchmidt process to transform the basis [1 1 1] , [0 1 1] , [2 4 3] for the Euclidean space R3 into an orthonormal basis for R3. (Enter each vector in the form [x1, x2, ...]. Enter your answers as a commaseparated list.) so i went through the process and got [1/... 
Science  Please Check This Answer
My problem is: When Christy takes her pet dog for a walk, the dog walks at a very consistent pace of 0.45 m/s. There are 20.1 m between the front of Christy’s house to the nearest dog park. How far will Christy’s dog have walked toward the park after 25 s? My answer is: ... 
Algebra I
Thanks Reiny, but I'm still lost. I understand how you multipled by 10X on the right to get 17x, but you went too fast on the left, and I have no idea how you got 10x^220 from the starting left side. Can you show each step? Thanks, Carol x  2(1/x) = 17/10 multiply each term ... 
Algebra 2 check my last answer?!
A cosine function has a period of 3, a maximum value of 20, and a minimum value of 0. The function is a reflection of its parent function over the xaxis. Which function could be the function described? f(x)=10cos(3x)−10 f(x)=10cos(2π3x)+10 <my choice f(x)=−10cos(2π3x... 
MATH please help CHECK ANSWER
The cones are similar: Small Cone: Radius: 5 Length: 15 Large Cone: Radius: ? Length: 18 What is the radius of the larger Cone? Would it be 8? 
Math
please check my answer thanks :) Juan bought a home with an adjustablerate mortgage. The margin on the loan is 2.7% and the rate cap is 7.2% over the life of the loan. If the current index rate is 4.3%, what isthe initial rate of the ARM ? A. 7% B 9.9% C 14.32% My answer is I... 
Agility Training
Please check my answer thanks :) If you want to start training a fourmonthold puppy for agility competition, which one of the following obstacles would be best to start with? A. Seesaw B. Dog walk C. Tunnel D. Aframe My answer is C 
check please
hi ms. sue i was wondering if you had email that i can have to email you if i need help because i need help with accounting with some type of graph but it wont fit here is there anyway you could help me through your email or i can send it to your email and you help me out ... 
PreCalcPlease check
I have three questions: 1. What is the remainder of (x^3 + 2x^2  5x+4) /(x3) I think the answer is 34?? 2. Evaluate (4+5i)(2+2i) =4(2) +4(2i) + 5i(2) + 5i(2i) = 8 + 8i + 10i+10i^2(1) =2 + 18i 3. Using Rational Roots Theorem, list all possible rational root of f(x) = 2x^3... 
Science
Can someone please check my answers and if they are wrong can you help me fix them? Thank so much!! 1. Which of the following determines the strength of the force of gravity between two objects? Check all that apply. (2 points) the speeds of the objects the masses of the ... 
dog behavior
please check my answer thanks What benefit does an adult dog gain from being petted with long smooth strokes ? 1. The dog grows to be larger 2. The dog learns to be more dominant 3. The petting makes the dog physically stronger 4 The petting reduces stress I pick #4 
college algebra, Please help!!
use the remainder theorem to find the remainder when f(x) is divided by x2. then use the factor theorem to divide x2 is a factor of f(x). f(x)=4x^47x^35x+2 the remainder is ? is x2 a remainder of f(x)=4x^47x^35x+2 please show work 
Algebra (Please help!)
Hey! I've been having a lot of trouble with this, please help! x  7 > 10 x > __ 3x < 20 (underscore under the less / greater than sign) x < __ 5a  2 < 8 a < __ 2t + 8 > 4(t + 1) (underscore under the less/greater than sign) t > __ 
English (please check someone)
Please check this. Thanks! 1. Which of the following should be put in italics to correct the following sentence? Other famous vehicles that suffered a tragic end include the zeppelin Hindenburg and the ocean liner Lusitania. (1 point) Hindenburg and Lusitania*** zeppelin ... 
GK..please check...Chemistry Help Please
Sorry not leting me post entire thing on last post..can you please check Thank YOu # Chemistry Help Please  GK, Wednesday, October 22, 2008 at 11:24am Reaction #1 (properly balanced): 2ClO(aq) + 4H+(aq) + 6I(aq) –> 3I2 + 2Cl(aq) + 2H2O Reaction #2 (properly balanced... 
English
Could you please check these last sentence? 1) I believe people shouldn't be discriminated against just because of the colour of their skin. 2) In my opinion, we should all be treated as equal and should be given the same opportunities in life. 3) We should stand (?? I can't ... 
Intro to Physics
A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? ___________m^3 (b) What is the density of the material? ____________ kg/m3 I am getting the wrong answer. Can you... 
algebra
Can somebody please help me with these problems? Factor the expression on the left side of each equation. Then solve. 1)x^45x^2+4=0 2)x^48x^2+16=0 Please and thank you! 1) let y = x^2, then y^25y+4=0 (y4)(y1)=0 y = 4 or y = 1 x^2 = 4 or x^2 = 1 x = 2, +2, 1, +1 same ... 
algebra
from our text book "Bittenger, M. L. & Beecher, J. A. (2007). Introductory and intermediate algebra (3rd ed.). Boston: PearsonAddison Wesley" can someone please help me with "Review examples 2, 3, and 4 in section 8.4 of the text. •How does the author determine what the ... 
Social Studies
1. What effect does having a written constitution have on limiting the powers of officials? (1 point) It establishes the rule of law that everyone, including officials, must follow. It grants the president supreme authority over other officials. It grants state representatives... 
dog behavior
Please check my answer thanks Which of the following conditions is an example of an intervening variable ? A painful stimulation applied just after the independent variable B. A loud noise causing a startle reponse C. Deperiving a subject of water 12 hours before training D. ... 
law
Revise and edit the following runon sentence: Data in computerized form is discoverable, even if paper "hard copies" of the information have been produced, the producing party can be required to design a computer program to extract the data from its computerized business ... 
Art
I left out these sentences. Could you please check them, too? Thank you. Is punctuation OK? 1) People suppose that he worked for Fiat. He is supposed to have worked... 2) Someone asked her about the weather. 3) My parents let me go on holiday on my own. 4)I’m terribly sorry ... 
Art
Can you please check if my rephrase is OK? I need to rephrase my previous post. I can't leave the sentences as they were. Thank you, Ms Sue. How does George Orwell describe Winston Smith in the opening of Nineteen EightyFour? Make referece to the place where he lives, the ... 
Math  Check please!
I. 28/4 7 *** 7  1/7 1/7 II. Which equation represents “fifteen more than r is sixtyone”? r + 61 = 15 r + 15 = 61 *** r – 15 = 61 r – 61 = 15 III. What is the value of 4^2 – 2(3 x 5 + 1)? 8 1 16 *** 21 IV. What symbol is needed between 2 and 3 to make a ... 
Maths(please check urgently
Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {1,0,1} BGive an example of a function whose domain equals (0,1)and whose range equals [0,1] C.Give n ... 
Math....Please help I have a deadline for tonight!
Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6 decimals on all assignments. Answer: Show work in ... 
Math(Please check answers)
Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2  14x  6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x6) C) 2(x7)(x3) D) (x7)(x3) ... 
Algebra
P dollars is invested at annual interest rate for 1 year. if the interest is compounded semiannually, then the polynomial p(1+r/2)^2 represents the value of the investment after 1 year. could you rewrite this expression without parentheses. Evaluate the polynomial if p = $200 ... 
mathpre alg
not sure i did right 3(f+2)+9=13+5f 3f+6+9 = 13+5f +9 3F+15 = 12+5F GOT MIXED UP SOMWERE HELP 3f +6 +9 = 13 + 5f 3f + 15 = 13 + 5f 2f = 2 f = 1 drwls is correct You are doing OK up to this point: 3f + 6 + 9 = 13 + 5f Now combine any like terms. (We can combine 6 + 9 to equal ... 
Ethics
please check my answers thanks :) Mary Smith sues her doctor for malpractice. The jury belives that he doctor was guilty of malpractice however they don't beleive Mary was affected Mary is most likley to get what kind of damages? A.Pain and suffering B.Nominal C. Compensatory ... 
dog behavior
please check my answer thanks for your help :) Which of the following is an example of an unconditioned response? A. begging behavior at meal time B barking to get attention C Salivatig when food is taken ito the dog 's mouth D salavating when the dog hears the owner preparing... 
Symbolism
1. What does the color white symbolize? Answer: Purity and innocence 2. What does Santa Clause symbolize? Answer: Christmas 3. What does a cupid symbolize? Answer: Love 4. The image of the lion lying doen with the lamb symbolizes what? Answer: ??? Can someone check if my ... 
Chemistry please check my work
Question: When 1.97 grams of Pb(OH)2(s) is added to 1.00 liter of pure water at 25 C a saturated solution (some solid is present) is formed that has a pH of 8.97. Compute the Ksp value for Pb(OH)2 using the data. [OH]= 9.334e6 and the [Pb^+2]= 9.334e6/2= 4.667e6. So the ksp... 
Trig check my work please?
8 sin²(3x) cos²(3x) = 2 [2 sin(3x) cos(3x)]² = 2 [sin(6x)]² = 2[1  cos(12x)]/2 = 1  cos(12x) 
Chemistry
Can someone please help me complete these calculations for my lab; I am having some trouble. A. Standardization of Na2S2O3 Mass of KIO3 in 100mL = 0.09600g Calculate Molarity of KIO3= ? Please check: 0.09600g/(214.0g/mol)=4.486x 10^4 mol 4.486 mol/0.1L= 44.86 M B. ... 
eco
What is the immediate effect of each of the following events on U.S. GDP and its components? 1. someone, at the age of 94, retires reluctantly and receives a social security check. 2. someone, after steadfastly labored and saved for many years, fulfills his American dream and ... 
Geography
In the film Volcano, what types of volcano's are depicted in this movie? Name the parts of the volcano which are depicted in the movie. Please help. I watched the movie, but still didn't get the answers. Please check this site for this information. http://pubs.usgs.gov/gip/... 
Algebra 2 check
A cosine function has a period of 3, a maximum value of 20, and a minimum value of 0. The function is a reflection of its parent function over the xaxis. Which function could be the function described? f(x)=10cos(3x)−10 f(x)=10cos(2π3x)+10 <my choice f(x)=−10cos(2π3x... 
Trig check my work please?
tan(X+30)tan(30x)=2cos2x1 / (2cos2x+1) i just did (tanx)(tanx)=sin^2x/cos^2x would that work? 
English
Hello. Please help me to check the sentences: 1) His sister or his brother hasn't any bank accounts. 2) His sister and his brother haven't any bank accounts. Thank you for your help. 
English
1. He has as many books as Tom. 2. He has as much money as Tom. 3. He is as strong as Tom. 4. He runs as fast as Tom. 5. He jumped rope more than Jane. 6. Tom jumped rope as many as Mike. (Are they all grammatical? Would you check the sentences, please?) 
Algebra (please help!)
The seats in a theater are arranged in parallel rows that form a rectangular region. The number of seats in each row of the theater is 16 fewer than the number of rows. How many seats are in each row of a 1161seat theater? I have no idea how to solve this problem. Please help... 
Chemistry
I have been researching, but I find no reliable sources. I want to check with you if these are true.... Are we actually not touching the ground due to the repulsion of the electron clouds between our feet and the ground? Same with the clothes we wear and our body?? Are we not ... 
algebra
Joseph always throws change into a can and takes it out every two weeks. This time it is all nickels and dimes. There are six times as many dimes as nickels, and the value of the dimes is $4.95 more than the value of the nickels. How many nickels and dimes does Joseph have. (... 
6th grade math
We are learning probability and can you please check my answer. Question: Enrique has 3 dimes, 2 quarters, and 5 nickels in his pocket. He takes one coin from his pocket at random. What is the probability that the coin is either a dime or a nickel? My answer is 8:10 which ... 
Honors Chemistry
Can someone check my work please? Thanks :)) 2. Write the formulas for the compounds formed between the following: g. Cu+2 and NO3 (the +2 and  are superscripts, while the 3 is a subscript) ===> I got Cu(NO3)2. h. NH4 and SO4(2) (the two 4's are subscripts, and the (2) ... 
exceptional children
a naturalistic languagelearning environment a occurs mostly in the home b. is created whenever a child is communicating with others c. occurs mostly in speech therapy d. excludes speech therapy I chose "c" as my answer can someone please check 
chemistry(Please check)
1) In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease except a) the vapor pressure b) the boiling point c) the freezing point d) the triple point I chose the boiling point as the answer. Is this correct? Thank you. 
Chemistry(Please check)
1) The reaction: A + 3B = D + F was studied and the following mechanism was finally determined A+B=C (fast) C+B=D+E (slow) E+B=F (very fast) Which step has the largest activation energy? I chose the second step because it is slow and should have the most energy. Is this correct? 
Science 7R  HW Qs. Check (Q2)
why are there fewer organisms as you move toward the top of the energy pyramid? answer  As you move up the pyramid the transfer of energy (10 pct per level is transfered) is less efficient & each level becomes smaller. am i correct???? (please be honest) 
geometry
Ok, so I have this worksheet due, and it's for a lot of points, so can you check over my answers please? Can you leave your email so I could forward the scan to you? The worksheet has a lot of labeled shapes, so it's hard to describe in text. These are the answers that I got: ...