Calculus (Answer Check)
88,628 results, page 9

Calculus  please check my work
evaluate rounding to 2 decimal places if neccessary a) 1n5 = 1.61 b) lne^2 = 2 c) (lne)^2 = 1 please let me know if these are correct, thank you. 
CalculusSolvedPlease Check?
estimate cube root of 25 by linear approximation f(x+delta(x))= f(x) + (df(x)/x) * deltax 3 + 1/3x^(2/3) * 2 3  2/3x^(2/3) 3  (2/3* ((cube root(9))) is this right? thanks 
French
Can you check these thanks part 1 directions: Exprimez d'une autre façon. 1. un télécopieur  Answer: un fax 2. une télécopie  Answer: un fax 3. une texte  Answer: ses données 4. elle ne perd pas  answer: le sauvegarde 5. elle ... 
Calculus
Hellp I have a calculus test on Monday 2. Calculate the slope of the tangent to the given function at the given point or value of x a. f(x)=3/x+1,P(2,1) b.h(x)=2/squareroot x + 5, P(4,2/3) ****Full solutions to please because I do not know what I'm doing and so confused with ... 
Introduction to Graphic Design
Hello! Thanks for checking my question out! ____ Image URL: goo.gl/3v95A5 Use the image to answer the question. 3. Under which of the following categories does the artwork fall? (1 point) a) abstract painting b) portrait c) still life d) monoprint My Answer: A Could someone ... 
CalculusDifferentialsCheck 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? 
Science. Check Answer
Decided wheather work is being done or not. If it is being down write W. If not write N 1. You throw a baseball a distance of 20 meters. My answer: W 2. You lift a suitcase to put in the overhead luggage compartment of a plane. My answer: N 3. You push against a brick wall ... 
Law and Ethics in Med
Please check my answer thanks :) Roe v Wade is based in part on... the fetus's right to be born after the first trimester True or False My answer is True 
math
could someone please check these problems for me? Thank you! 1. 0.7x<35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w5)=35 7w35=35 if i add 35 to both sides i get ... 
math
could someone please check these problems for me? Thank you! 1. 0.7x<35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w5)=35 7w35=35 if i add 35 to both sides i get ... 
3rd grade math
179,323,175 round to the nearest million sue can you please check my answer . this is my answer 280,000,000. hope i got it right. 
Science
Which process of the carbon cycle is responsible for the release of carbon at the power plant, as shown by the arrow? A. combustion B. photosynthesis C. digestion D. decomposition @Ms.Sue can you check my answer I think the answer is A. 
calculus
hi, just wondering on how i should approach differentiating: loge1/(3x)^5 can i differentiate it as loge(3x)^5? sorry i meant to write (3x)^5 Hmmmm. You are haveing a brain seizure. Watch this: Ln x^a=  ln x^a= a ln x Amazing. So loge1/(3x)^5= 5 ln(3x) Check my ... 
American Literature
I posted this question twice by mistake and the response was the same. It said there is a response and to check the other post. I did and it had the same answer, telling me to check the other post. This would keep someone busy for hours checking each post back and forth for no... 
Exceptional children
Providing assistance to a child in selfcare tasks a. always encourage helplessness b. is necessary for very young children c. should be left to the family d. should be as minimally intrusive as possible. I chose "d" for my answer. can someone pleae check it forme. 2.A ... 
French
Can you check these: Directions: State whether the sentences are vrai or faux? 1. Un bagage à main est une très grande valise. Answer: faux 2. Avant un voyage on fait ses valises. Answer: vrai 3. Un vol intérieur est un vol entre deux pays. Answer: vrai 4. Les passagers ... 
chem 211
When 20.0 mL of 0.535 M H2SO4 is added to 20.0 mL of 1.07 M KOH in a coffeecup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted. (Assume that the total volume is the sum of the individual volumes and ... 
Chemistry
Can you please someone check my answer for me? I don't know how to start thses answer. Chemistry is not my things. Please give me answers. :( a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2. answer: 129.68grams 357.477722g/mol is ... 
HELPPPP
What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S Thank you so much for your help!! Stepanie  we Jiskha tutors... 
Anatomy and Physiology
Hello! Thanks for checking my question out! ____ 2. Antibodies to common microorganisms have been developed by (1 point) a) infancy. b) childhood. c) adolescence. d) adulthood. My Answer: A Could someone please check my answer? Thanks!  Da Fash 
Anatomy and Physiology
Hello! Thanks for checking my question out! ____ 7. Insulin is to glucagon as (1 point) a) wet is to dry. b) walking is to running. c) morning is to afternoon. d) a key is to a lock. My Answer: A Could someone please check my answer? Thanks!  Da Fash 
French
Could you check this answers also thanks. Directions use the correct form of the verb faire. Je vais chercher Sophie. On va  les courses. Answer: fait Vous  souvent les courses? Answer: faites Mon cher ami, nous  les courses tous les samedis. Answer: ... 
Science  Maps and Computers  Please Check
Please help me with the following: A single ocean color satellite can collect how many data points? A. 2,000 B. 2,000,000 C. 20,000 D. 2,000,000,000 I know the answer is not D, because I got it wrong. I think the answer is mostly A, but I also think it is possibly B. Is A ... 
Calculus check
Let f(x) be a polynomial function such that f(3)=3, f'(3)=0 and f"(3)=3. What is the point (3,3) on the graph y=f(x)? A. Relative maximum B. Relative minimum C. Intercept D. Inflection point E. None of these I got C 
Calculus check 1 questiom
Determine the equation the tangent line on curve 4e^x on (0,4). Since derivative of 4e^x =4e^x, then I plugged in 0 for X and the slope I got was 4. Then I wrote the equation and got y=4x +4 
calculus
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the xaxis. (Round your answer to three decimal places.) y = e^−x y=0 x=0 x=7 I got the answer ~10.783 Idk why it's wrong 
Maths  Optimisation
I've been trying to work out this question for hours and I can't seem to figure it out. Question: "Point 'A' is situated in the bottom left hand corner of a vertical rectangle with the dimensions 6m x 3m. Point 'B' is situated in the opposite top corner of the rectangle. What ... 
Rational Inequities
Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x2/x+1 <0 my answer: (infinity,1) u (2, infinity) x+8/x3 > or equal to 0 my answer: (3,8] 2/x2<1 my ... 
CalcuslusCalculusCalculus
A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch pad.at. What rate is the distance of the roocket from observer channging when the ... 
bookkeeping
received a check for 154.72 for unassembled products includes 8.06 sales tax and 12.30 in transportation what is the entry for the transaction in the sales dept.a sales credit? (a)132.33 (b)134.36 (c)152.72 (d)154.69 my answer is b received a payment for 3296.87 in unassembled... 
calculus
I was doing calc hw and I am stuck on a part of a question. =(1/10)(x/15sqrt(x^29)) I am supposed to put this equation equal to 0 and solve for x. The answer is 9/sqrt(5) but I don't understand how the answer comes out to be 9/sqrt(5). Please help. Thank you. 
Algebra Check
(d^7)/d Answer: d^6 
Algebra: Answer Check
(2  7i)  (5  3i) = 3  4i (1 + 2i) + (3 + 4i) = 4 + 6i 
Algebra: Answer Check
K(x) = 3x^4 + 5x^3  x + 7 for x = 2. K(2) = 79 
Algebra: Answer Check
(x^2  8x + 6)/(x + 2) = x  10 + ((26)/(x + 2)) 
Calculus
what is the integral to find the volume of the solid that is formed when the region bounded by the graphs of y = e^x, x = 2, and y = 1 is revolved around the line y = 1. I got pi[integral from 0 to 2] e^2x1^2 dx. I'm not sure about the 1^2 though because that function is in ... 
English
pLease check my answer Which sentence has a subject complement 1.The nurse felt my pulse 2.I felt much better. 3. The day ended with many surprises. 4. We can't leave without seeing her. I pick answer #1 
Dog Hunting Training
Please check my answer thanks :) Dogs must meet these qualifications to participate in AKC performace events ? My answer Be at least six months old and registered with the AKC 
math check
Consider the following set of data. Pairs 1 2 3 4 5 Sample A 2 8 7 9 2 Sample B 7 8 1 1 8 Find the standard deviation sd of the paired differences. (Give your answer correct to two decimal places.) My answer was 5.00. 
Check My Answer! :)
What is the surface area of the square pyramid if the altitude is 4 cm, the length is 6 cm, and the height is 5 cm? a. 48 cm^2 b. 144 cm^2 c. 156 cm^2 d. 96 cm^2 i think the answer is 144 cm^2. Please show me how you did the work so then i know that i at least got partial credit. 
check my answer? :)
ok, the question was "is the following ratios equivalent?" the ratios are 3:5 and 5:7. my answer is "no". is that right? you are correct. The way to know is divide the 3 by 5 and the 5 by 7 If the numbers are different, the ratios are not equal. Get it? 
Algebra; check please?
A television has a diagonal of 10 inches and a width of 8 inches. what is it's height? i think the answer is nine inches, am I correct? If I am not how do I find the answer? 
Math  check answer
Given v = 4t  9t3, find the acceleration when t = 1 s. acceleration in m/s2 = My Answer V'=427t2 V"= 54t V"(1)= 54 acceleration in m/s2 = positive 54 Can you please confirm this is correct???? Thanks 
Chem Question?
I answered this question already, but would like you to check if the answer I provided was right. If for some reason my answer was not right please provide me with the right answer. 1)The air in the inner tube of the tire of a racing bike has a pressure of 115 psi. Convert ... 
Algebra
Please check my answers. Thanks! Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. 5.2x^313x^2+22x8=0 My answer:{1/2,2,4} 6.x^38x^2x+8=0 My answer: {1,1,8} Find the rational zero of the ... 
algebra(check)
1)Find a1 in a geometric series for which Sn=300,r=3,and n=4 a.15 b.15/2 c.15 d.1/15 answer=a 2)Find the sum of the infinite geometric series n=1 at the bottom of the sigma notation 20(1/4)n1 on the right side a.25 b.80/3 c.16 d.does not exist answer=c 3)Find the sum of ... 
Calculus check
The smallest slope of f(x)=6x^2x^3 for 0 is less than or equal to x is less than or equal to 6 occurs at x= A. 0 B. 2 C. 3 D. 4 E. 6 I got E 
mATH
1. Compare using <,>, or =. 15 and 21 A < (MY ANSWER) B > C. = 2. Which nuumber is greater than 24? A 42 B27 C 16 (MY ANSWER) D 30 3. Which set of integers is ordered from greatest to least. A 13, 4, 0, 8 B 5, 2, 3, 1 C 12, 8, 4, 7 (MY ANSWER) D 4,6,7... 
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. 
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... 
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! 
Math  check answer
Given s = 4t + 11t3, find the velocity when t = 1 s. velocity in m/s = My Answer: S'=4+33t^2 =4+33 =4+33 =37 velocity in m/s = 37 Can you please confirm this is correct. Thank you 
chemistry (Pls Bob check for me)
A 1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of s solution, 20cm3 of this solution required 40cm3 of 0.1N hcl for neutralization. Calculate the wieght of na2c03 and k2c03 in the mixture The answer 0.4G My own calculation: na2c03 weight = 106g/2 = ... 
calculus
Maximize p = 2x + 2y subject to 4x + 8y 24 8x + 4y 32 x 0 , y 0 (Round all answers to the nearest 0.1.) p = Incorrect: Your answer is incorrect. x = Incorrect: Your answer is incorrect. y = Incorrect: Your answer is incorrect. 
math answer check
x is a binomial random variable. (Give your answers correct to three decimal places.) (a) Calculate the probability of x for: n = 1, x = 0, p = 0.15 P(x) = Changed: Your submitted answer was incorrect. 0.15 x 0 = 0 . (b) Calculate the probability of x for: n = 3, x = 3, p = 0.... 
Chemistry(Please check)
1) The Ka for acetic acid is 1.8e5. What is the pH of a 3.18M solution of this acid? I did 1.8e5 = x^2/3.18 x=sqrt 1.8e5 X 3.18 = 7.56e3 pH=log(7.56e3) = 2.12 The pH is 2.12 2) At 25 degrees celsius, the pH of a 1.75M NaCN solution (the Ka for HCN is 4.0e10) is ? 4.0e... 
Math(answer check)
1. Find the modulus and argument of the following complex numbers, and write them in trigonometric form: a. 5 – 8i Answer = Sqrt{89} ( cos (1.01219701) + i sin ( 1.01219701)) b. –1 – i answer = Sqrt2 (cos (5pi/4) + i sin (5pi/4)) c. –5 + 12i answer = 13 (cos ( 4.... 
Calculus
Answer the following questions for the function f(x) = sin^2(x/3) defined on the interval [ 9.424778, 2.356194]. Rememer that you can enter pi for \pi as part of your answer. f(x) is concave down on the interval ? Please help, im REALLY stuck. 
calculus
im using chain rule to answer this question: 5 ((x^2)  4x + 1)^(1)/(2) tried to use calc to get answer to base off of but this is a nonreal number. does this mean i will have to use imaginary numbers? please help 
Calculus
Use the information in the image: imgur(.)com/a/YzAGLvs (Remove the parenthesis to use link) 1. On what interval is g increasing? Justify your answer. 2. For 0 Ã¢â€°Â¤ x Ã¢â€°Â¤ 6, express g(x) in terms of x. Do not include +C in your final answer. 
Inequalities Answer Check
1. 2n > 14 Answer: n > 7? 2. (n/5)≥ 11 Answer: n ≥ 55 3. 3y ≤ 18 Answer: y ≥ 6 
Help! Urgent!
You know tangentTheta=h/4 take the derivative sec^2 Theta * dTheta/dt= 1/4 dh/dt you know dtheta/dt solving for dh/dt You know sec Theta from the right triangle: sec theta = sqrt(h^2 +16) /h check me. Georgina: in the future, please put the title in the subject box, in this ... 
algebra
Could you please check my answer to this problem: Simplify the expression Original problem: (3x^2+10x8)/(3x^217x+10) x (2x^2 + 9x 5)/(x^2 + 3x4) The answer I got was: (3x +4)(x2)/ (3x2)(x5) x (2x1) ( x +5)/ (x +4) (x1) so basically the problem could not be simplified ... 
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 ... 
Math check
Find the value of z that would be used to test the difference between the proportions, given the following. (Use G  H. Give your answer correct to two decimal places.) Sample n x G 386 327 H 414 321 2.71 was my answer. . 
Check: Geography
1.The Soviet program of creating cotton fields in central Asia had disastrous consequences for: a. the Caspian Sea b. the Aral Sea c. Lake Baikal d. the Black Sea answer: B 2.What occurred after the fall of the Ottoman Empire? a.The Seljuk Turks conquered almost all of ... 
Math (PreCalculus)
Find an equation of the line containing the points (8,6) and (8, 4) so far i've tried yy1=m(x+x1) but currently cannot get the answer....TT the answer is suppose to be x=8 plz show the work so i can study form it and do it myself the next time... thnx in advance 
Calculus
I have tried calcchat's method and I always get the answer 12 units but the answer should be 69 according to my key! What do I need to do to get there?? "Use the limit process to find the area of the region between f (x)=10x+8 and the xaxis on the interval [0,3]" 
Algebra 1Please, check my answer!
1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = 6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. 2x + y = 3 c. x + 2y = 4 d. x  2y = 8 My ... 
Math Calculous
Q = 16.8*10^0.22t Give the starting value a, the growth rate r, and the continuous growth rate k. Exact answer for a, Round the answer for r and k to two decimal places a = 16.8 r = 10 k = 22% Can someone check my answer? I do not think the values for r and K are correct. I ... 
algebra
I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence 3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n9 d.an=n3 ... 
algebra
I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence 3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n9 d.an=n3 ... 
algebra
I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence 3,3,9,15... a.an=n+6 b.an=6n+9 c.an=6n9 d.an=n3 ... 
Algebra II repost please check
I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x – 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = 2(x  3)2 + 4? 3. Does the graph of y = 2(x  3)2+ 4 open up or down? My answers: 1. I cannot ... 
AlgebraPlease checkI must have done something wr
Please helpWhat is the equation of the ellipse with foci (0,6), (0,6) and covertices (2,0),(2,0) My answer and logic is below but it can't be correct I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the choices are: x^2/1 + y^2/40 = 1 or x^2/1 + y... 
Math
I don't know if my answer for this question is correct but can you please check? 1.) Between which pair of numbers does the square root of 15 lie? Do without using a calculator. A.) 3.7 and 3.8 B.) 3.8 and 3.9 C.) 3.9 and 4.0 D.) 14 and 16 I think the answer to this might be A... 
Physics
A capacitor is made from two 1.2 cm diameter coins separated by a 0.18 mm thick piece of paper (K = 3.7). A 6 V battery is connected to the capacitor. How much charge is on each coin? My solution: C= K * Permitivity * A/d = q/v I solved for q and got 1.2 X 10^10 But i still ... 
math
please check and see if my answers are correct if not let me know so i can redo these and find where i messed up 1. divid by moving the decimal point 27.3 dived 10^5 my answer .000273 2.Jon spent 1/3 of his study time doing math homework and 2/7 preparing for a history exam. ... 
Math/Algebra
Could you also check these to. Thanks. (4x^2 + 9x  1)  (5  x^2) Answer: 5x^2+ 9x  6 (8 + 7a + 10a^2)  (a^2  3a  2) Answer: 10 + 10a + 9a^2 
Math/Calculus
Integrate: (2x^2+5)/((x^2+1)(x^2+4)) I came up with: (tan^1)(x)(1/2)((tan^1)(2/x)) but it keeps coming back the wrong answer even though I integrated correctly. Is there a way to simplify this answer, and if so, how? Your answer is correct, but I think you are supposed to ... 
Physics  check answers please
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 
Math  Please Check My Answer
Please help me with the following: Find the greatest possible error for each measurement. 4 1/2 oz A. 1/4 oz B. 2 1/2 oz C. 1 oz D. 2 1/4 oz I know it is not B(I got it wrong.), but I think it is A. Is this correct? Please help me by checking my answer. Any help is appreciated... 
SpanishPlease check
Could some one please check theseI had to answer them in the past tense which is still confusing meI think most of them are correctThank you 1.¿Comó te sentiste ayer? Yo sentí muy bien. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a ... 
French part 2
Could you check these please thanks Directions: Choose the correct verb to complete each phrase. Here are the verbs you can choose: passer, enregistrer, sortir, remplir, servir, choisir, and attacher. 1.  une place coté couloir. Answer: Choisir 2.  par le ... 
chemistry check my answer
In an acid base titration 32.5 ml of sodium hydroxide were neautralized by 17.6 ml of 0.180 mol/l sulfuric acid. Calculate the concentration of the sodium hydroxide. I asked this question earlier but i wanted to make sure i got the right answer My answer: 0.36 mol/L is this ... 
PhysicsPlease check answer
Damon helped me with this calc but I think the answer should be 20, not 22, could someone please check the calculation If a ball is thrown into the wall at 14 m/s and comes off at 6 m/s, what is change of velocity of the ball? I think it would be 146 = (8 m/s) Is that ... 
Math
your aunt gives you a check on your birthday each year. on your first birthday , she gives you a check for one cent. the next year she gives you 3 cents , then 9. each year she triples the amount of the previous year 's check. how old will you be when she gives you a check ... 
french
Can you check these. Thanks Un petit accident (Fill in the blanks) 1. Il a eu un petit . Answer: accident 2. Qu'estce qui lui est ? Answer: arrivé 3. Il a  sur une peau de banane. Answer: glisse 4. Sur une peau de banane? Et il est ? Answer: ... 
PreCalc Answer Check
1. Find a polynomial with a zero at 3 and a zero of multiplicity 2 at 1. My answer: x^3  x^2  5x  3 = 0 2. Find the zeros and multiplicities of f(x) = x^5  16x^4 + 64x^3. My answer: x = 0 of multiplicity 3 and x = 8 of multiplicity 2. 
Chemistry
Can you please someone check my answer for me? I don't know how to start thses answer. Chemistry is not my things. Please give me answers. :( a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2. Answer: ? b)How many atoms of iron are in ... 
CALCULUS!! OH DEATH!!!
I need to solve: Lim as x is approaching 1/4, for (4x1)/(1/ ([square root of x] minus 2)). Help would be greatly appreciated!!! It's trivial using L'Hopital's rule. Answer: 64 Correction, the answer is 1. what is l'hospital rule? 
Precalculus
Write the standard form of the equation of the circle that is tangent to x= 2 and has its center at (2,4). Answer:(x2)^2+(y+4)^2=16 Is this correct? 2) Find the area of the region between the graph of y=x^3 and the xaxis from x=1 to x=4 Answer: 63 3/4 units Is this correct... 
Calculus (Answer Check)
Are my answers right? If they are wrong you don't have to tell me how to do it its okay =) A particle starts at time t=0 and moves along the xaxis so that its position at any time t(greater or equal to) 0 is given by x(t)=(t1)^3 (2t3) 1.find the velocity of the particle at ... 
please check
(2x)^5 (3x)^2 Answer: 288x^7 
math
Please Check x  1/4 > 5/8 answer x > 7/8 
math
Please check x + 1/3 > 5/4 answer x > 19/12 
math
please check 2x + 7 < 10 answer x < 3/2 
Math check 3
Simplify: 9/(y+8)y/(y2)+(y^2+4)/(y^2+6y16) IS the answer y14/(y2)(y+8)? 
Math check
subtract: 3+5i(4+6i) is the answer 7i? 
math check
subtract: 3+5i(4+6i) is the answer 7i?