Calculus (Answer Check)
88,172 results

PreCalculus
Could someone check my answers? 25. 32^(2x3)=2 Answer x= 8/5 26. 9^(2x+1)=81 Answer x= 1/2 27. 1/4=2^3x Answer x= 2/3 28. 1/27=3^2x Answer x= 3/2 29. 9^x=27 Answer x= 3/2 30. 32^x=4 Answer x= 2/5 31. 27^(x+1)=9 Answer x= 1/2 32. 125^(x2)=25 Answer x= 7/2 33. 81^(x... 
Calculus (Check)
This seems to easy. Check please. Find. Lim (x^2)4 x>2 e I substitute in 2 (2^2)4 e gives me 44 e So my answer is e^0 or 1. 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to three decimal places.) Between y = e^x and y = x for x in [1, 2] 
Calculus
1. Use the Mean Value Theorem to find an xvalue where the instantaneous slope=average slope over the given interval: f(x)=(9x^2)^(1/2) on [3,2] I have done three chapters of Calculus already and I never have had to check for extraneous roots. So, my question is, when ... 
Brief Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) Enclosed by y = e^x, y = 2x + 1, x = −2... 
calculus
Could somebody please check these for me? Solve the differential equation with the given initial solution. 1. (dy/dx)=(y/3) for y(0)=10 my answer was y=10e^(x/3) 2. dP/dt=P+4 for P(0)=100 my answer was P=104(e^t)4 3. dz/dt=te^z for z(0)=0 my answer was z=ln(.5(t^2)+1) THANKS 
calculus
Could somebody please check these for me? Solve the differential equation with the given initial solution. 1. (dy/dx)=(y/3) for y(0)=10 my answer was y=10e^(x/3) 2. dP/dt=P+4 for P(0)=100 my answer was P=104(e^t)4 3. dz/dt=te^z for z(0)=0 my answer was z=ln(.5(t^2)+1) THANKS 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 532.] Enclosed ... 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 1028.] Enclosed ... 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 1028.] Enclosed ... 
calculusanswer check
1. Determine the slope of the tangent to the graph of y=4/x at (1,4) my answer is 4 2.What is the slope of the line perpendicular to y=(x2)/(x+2) at (2,0) my answer is 4 3. For which value of x is the derivative of f(x)=(x1)^10(x+2)^5 equal to 0? my answer is 1 
Precalculuscheck answers
If f(x)=4x^2 and g(x)=2/x, find [g x f](x). Answer: 1/2x^2 2) Are f(x)=1/2x+5 and g(x)=2x5 inverses of each other? Answer: no 
Math 8R: Homework Check  Part 2
Part 2: Simplify by combining like terms and using the distributive property 11. 3x + 5x Answer: 8x 12. 3x + 5y  2x + 8, Answer: 1x + 5y + 8 13. 9 + 5m + 6b  2m  4, Answer: 3m + 5 + 6b 14. 3ab + 6c  ab + 10  2c, Answer: 2ab + 4c + 10 15. 6(m+3), Answer: 6m + 18 16. 8(x2... 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x and y = x^4 
AP calculus
∫[0,x^(3),(t)/√(1+t^(3)),] Find the derivative of the integral. A. (3(x^3))/((1+(x^9))^0.5) B. (x^3)/((1+x^9)^0.5) C. (3x^3)/((1+x^3)^0.5) D. (5x^3)/((1+x^6)^0.5) E. (3x^5)/((1+x^3)^0.5) I think the answer is A. Can you check my answer please? 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = −x and y = x/2 for x in [0, 6] 
Calculus
What is the limit (as u>2) of square root(4u+1)3/u2. I got 1 as an answer, but I want to check if that's right. I heard it could be something else so I'm unsure and doubtful of my answer. 
PreCalculuscheck answer
Solve: x^2+y^2=10 and xy=3 Answer: (+/3, +/1) or (+/1, +/3) 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. HINT [See Example 3.] Enclosed by y = x and y = x^4 
Precalculuscheck answer please
Write the standard form of the equation of the circle that is tangent to the line x=3 and has center at (2,7). Answer: (x+2)^2+(y+7)^2=49 Is this correct? 
Please check my calculus
If x^2+xyy=2, find dy/dx My answer: (2x+y)/(1x) 
Calculus Please Check my answer
Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 1, and x = 1 is revolved around the line y = 1. ANSWER: v = ∫[1,e] π(4(lnx+1)^2) dx 
Calculus Answer Check
Write and then solve for y = f(x) the differential equation for the statement: "The rate of change of y with respect to x is inversely proportional to y^4" So dy/dx=k/y^4 (y^4)dy=(k)dx Integrate y^5/5=kx+C Is this the final answer or is there more? 
Precalculuscheck answers
Name all the values of x that are not in the domain of f(x)=2x^2/x+5. Answer: x= 5 2)Find the minimum value of f(x,y)=2xy+2 for the polygonal convex set determined by this system of inequalities: x >/= 1, x </= 3, y</=0, 1/2x+y</=5 Answer: 0.5 
PreCalculuscheck answers
Name all the values of x that are not in the domain of f(x)=2x^2/x+5. Answer: x= 5 2)Find the minimum value of f(x,y)=2xy+2 for the polygonal convex set determined by this system of inequalities: x >/= 1, x </= 3, y</=0, 1/2x+y</=5 Answer: 0.5 
calculusanswer check
Determine the slope of the tangent line to the curve y=(x^2+3x)(x^22) at x=1. I got 3 as my answer although I am not too sure that it's correct. I found the derivative of the function and then substituted 1 into the equation. 
calculus
derivative of y=ln x/x^2 can someone double check the answer 12lnx/x^3 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x2 − 4x + 1 and y = −x2 + 4x − 5 for x in [0, 3] 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 for x in [0, 3] 
Brief Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = −x and y = −x^3 for x in [−1, 1] 
Precalculuscheck answer
If cot theta =0.85, find tan theta. Answer: 1.176 
Calculus derivative
Find the slope and an equation of the tangent line to the graph of the function f at the specified point. f(x)=1/3x^2+5x+5: (1, 1/3) Answer: f’(x)=2/3x + 5 y=2/3x 1 I reworked the problem and got f'(x)=5, y=5x+ 14/3 This is from a multiple choice test and this is not ... 
Calculus (double check my anser please)
Evaluate integral e^3x cosh 2x dx. A.1/2 e^5x + 1/2 e^x + C B.1/10 e^5x + 1/2e^x + C<<< my answer C.1/4e^3x + 1/2 x + C D.1/10 e^5x + 1/5 x + C 
math check
Peform each indicated operation and simplify. Can you please check my answers. Thank you. A)(x^2+2x3)+ (2x^2x+1) Answer: 3x^2+x2 B) (x^3+2x^25)+(x^2x+6) Answer:x^3+3x^2x+1 C) (3y^2x+7)(y^22x+3) Answer:4y^23x+10 D)(2x^2xy+y^2)(3x^2+xy+y^2) Can you help me with ... 
Precalculuscheck answers
Choose the statement that is true for the graph f(x) =x^312x. Answer: f(x) decreases for x >2 2) Which type of critical point, if any, is present in the graph of f(x)=(x4)^5+1 Answer: none 
calculus
I am learning derivatives and I despise having to use the definition of the derivative. Please check my answer for this particular one! it is different from the one I get by differentiating. The question: f(x) = 2+x / x^3 my answer: 6x^22x^2 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 for x in [0, 3] Please don't... 
8th Grade Algebra: Answer Check #2
Add or Subtract (Radicals) { this means squared 1.3{2 + 4{2 Answer: 7{2 2. 8{3 + 3{3 Answer: 11{3 3. 7{5  3{5 Answer: 4{5 4. 8{2  5{2 Answer: 3{2 5. 6{x + 7{x Answer: 13{x 6. 9{y + 3{y Answer: 12{y Multiply 7. 3x^2(4x^23x5) Answer: 12x^2 8.(3b+5)(b3) Answer: 3b^24b15 9... 
Calculus Please Check my answer
find d/dx (integral from 2 to x^4) tan(x^2) dx tan(x^4)^2*4x^3 MY ANSWER 
Calculus (check my work)
Find the marginal revenue at x=10 using the equation R(x)=x^2+80x Is the answer 60? 
8th Grade Algebra: Answer Check
Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 Answer: 2{3 5. 2{75 Answer: 10{3 6. 3{72 ... 
Precalculuscheck answers
Write the slopeintercept form of the equation of the line that passes through the point (5,4)and has a slope of 1. Answer: y=x1 2)Solve the system of equations algebraically: 1/3x+1/3y=1 and 2x+2y=9 Answer: no solution 
PreCalculuscheck answers
Write the equation of the circle that passes through the point (3,4) and has its center at (1,2). Answer: (x1)^2 +(y2)^2 = 8 Thanks for the help. 
Calculus Help and Check
Find dy/dx by implicit differentiation. x^5(x + y) = y^2(9x − y) this is what i've got so far but I don't think it is the right answer. y'= 9y^26x^55x^3y/x^5+9y^218xy 
Math
Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= 63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check your answer. Is 4X... 
calculusanswer check
Deermine the derivative of f(x)=[(3x^2+1)^3+1]^2. Express your answer in simplified form. For this I got 54x^6+162x^5+54x^4+108x^3+18x^2+18x+2 
Calculus Please Check my answers
Use the graph of f(t) = 2t +2 on the interval [−1, 4] to write the function F(x), where f(x)= integral from 1 to x f(t) dt f(x)=x^2+3x f(x)=x^2+2x12 My Answer f(x)x^2+2x3 f(x)=x^2+4x8 Find the range of the function f(x)=integral from 0 to x (sqrt 4t^2) dt (0, 4pi) (0, ... 
Calculus: Limits
++++++++Can you please check whether or not my answers are correct and if not, can you fix them for me? Find the sum and state whether it converges or diverges? 1) 0.1 + 0.05 + 0.025 + 0.0125 + ... My answer: converges,  r  < 1 2)6 + 2.4 + 0.96 + ... My answer: ... 
Calculus answer check
Starting from rest, a man runs 10 metres along a straight path in t seconds. His position can be described by the function s(t)=0.7t^2. How long will it take him to reach the velocity of 4m/s? would the answer be 5.6 s? I started with s(t)=0.7t^2, then the velocity is 7/5t and... 
Calculus
Find the limit. lim 5x/(x^225) x>5 Here is the work I have so far: lim 5x/(x^225) = lim 5x/(x5)(x+5) x>5 x>5 lim (1/x+5) = lim 1/10 x>5 x>5 I just wanted to double check with someone and see if the answer is supposed to be positive or negative. ... 
Calculus
Given f and g are differentiable functions and f(a)=4, g(a)=c, g(c)=10, f(c)=15 f'(a)=8, g'(a)=b, g'(c)=5, f'(c)=6 If h(x)=f(g(x)). find h'(a)? i'm not really sure how to get the answer. g'(a)=b, f'(b)=? How do i go about doing this. My reasoning must be wrong. h'(x)= f'(g(x... 
pre calculus
can you check my work Find two different sets of parametric equations for the given rectangular equation: y=x^2+10 answer: x=t y=t^2+10 x=t^3 y=t^6+10 
Calculus
Hi. How can I integrate 1/(X^3 +1) ? Thank you to anyone who can help me :) Write 1/(x^3 +1) as 1/[(x+1)(x^2x+1)] Then use integration by parts, letting dv = dx/(x^2 x +1) u = 1/(x+1) du = log (x+1) v = (2/sqrt3)arctan[(2x1)/sqrt3] That should take you to the answer. I ... 
PreCalculuscheck answers
Find the sixth term in the geometric sequence: sqrt3y^3, 3y^5, 3sqrt3y^7 Answer: 27y^13 2) Find three geometric means between sqrt2 and 4sqrt2. Answer: 2, 2sqrt2, 4 Thanks 
Calculus  Integrating
Question: ∫(x^2)/sqrt(x^2+1) u=x^2+1 , x^2= u1, du=2xdx ∫(u1)/sqrt(u) , expand ∫u/sqrt(u)  1/sqrt(u) Integrate: 2/3(u^(3/2))  2u^(1/2) + c My answer: [ 2/3(x^2+1)^(3/2)  2(x^2+1) + c ] When I took the derivative of this to check my answer, it was not (x^2)/sqrt(x^2+... 
Precalculuscheck answers
Find the number of possible negative real zeros for f(x)=6+x^4+2x^25x^312. Answer: 0 2) Approximate the real zeros of f(x)=2x^43x^22 to the nearest tenth. Answer: no real roots 
PreCalculuscheck answers
Find the number of possible negative real zeros for f(x)=6+x^4+2x^25x^312. Answer: 0 2) Approximate the real zeros of f(x)=2x^43x^22 to the nearest tenth. Answer: no real roots 
PreCalculuscheck answers
Find the number of possible negative real zeros for f(x)=6+x^4+2x^25x^312. Answer: 0 2) Approximate the real zeros of f(x)=2x^43x^22 to the nearest tenth. Answer: no real roots 
Precalculuscheck answers
Use the Remainder Theorem to find the remainder of (x^35x^2+7x+3)/(x2). State whether the binomial is a factor of the polynomial. Answer: Remainder = 1, not a factor 2) Determine the slant asympotte for f(x)=(x^25x3)/x Answer: y=x+5 
SCI HW CHECK
D. Name the joint shown in each picture 1. Elmbow answer  Antecubital fossa. 2. wrist answer  carpal 3. shoulder answer  glenohumeral 4. neck vertebras answer  ????????????????? what is the joint in your neck vertebrae called?????????? can you check to see if im correct 
Science HW Check
D. Name the joint shown in each picture 1. Elmbow answer  Antecubital fossa. 2. wrist answer  carpal 3. shoulder answer  glenohumeral 4. neck vertebras answer  ????????????????? what is the joint in your neck vertebrae called?????????? can you check to see if im correct 
Math 8R: Homework Check  Part 3
Part 3 : Evaluate when x = 2, y = 5 21. 4x + 2y, Answer: 2 22. 3(x) *to the 3rd power*, Answer: 221 23. (x + y) *to the 2nd power*, Answer: 9 24. 4x + 2y, Answer: 18 Please check to see if my answers are correct. Thank You!!! :) 
PreCalculuscheck answers
Use a sum or difference identity to find the exact value of sin 255 degrees Answer: sqrt6sqrt2/4 Thanks 
Calculus Please Check my answer
The table below gives selected values for the function f(x). Use a trapezoidal estimation, with 6 trapezoids to approximate the value of integral from 1 to 2 f(x) dx =.1*4/2+.1*7/2+.3*10/2+.2*13/2+.2(15/2)+.1*18/2 =4.40 
calculus
Just want to check whether my answer is correct for quotient rule F(x) : (600^3/2 + 20250)/v F'(x) : (300^3/2  20250)/v^2 F"(x) : (150v^5/2 + 40500)/v^3 Can anyone let me know whether my answer is correct for first and second derivative based on F(x) ?? Thank you!! 
calculus
Just want to check whether my answer is correct for quotient rule F(v) : (600^3/2 + 20250)/v F'(v) : (300^3/2  20250)/v^2 F"(v) : (150v^5/2 + 40500)/v^3 Can anyone let me know whether my answer is correct for first and second derivative based on F(v) ?? 
PreCalculuscheck answers
How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 students must be seniors? Answer: 5400 Find the probability of getting a sum of 5 on the first toss of two number cubes and a sum of 6 on the second toss. ... 
Calculus Check my answer
Find the area between the curves y= x^2/2 +2 and y = –x – 3 on the interval –4 ≤ x ≤ 4. I got 40/3 is that correct? 
Calculus Help and Check
1)Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative. Remember to use ln u where appropriate.) f(x) = (1/5)−(3/x) > (x/5)3lnx+C 2)Find f. f ''(x) = 4 + 6x + 36x^2, f(0... 
PreCalculus
I posted earlier and didn't get an answer so I'm posting againhoping someone could please check these twoI think they're correct Please check my answer: I think it's correct? 1.Find polar form of (3,2) r=sqrt of (3)^2 + 2^2)=sqrt (13) = 3.61 tan^1(2/3) = 33.79 18033.79... 
Calculus
We are doing problems with the product and quotient rules, but I'm not sure if I'm doing them correctly. If someone could check my answer I would really appreciate it. The original problem was y = (2x1)^5 * (4x+1)^1 and I got the derivative to equal y' = [(2x1)^4/(4x+1)]/[(... 
math
solve and check your answer. Please check this for me to see if I have the right answer. __2__ = __3__ 1x 1+x x= 1/5 
MATH: Check my answers  HELP ASAP!!
What is the diameter of a circle with a circumference of 282.6 m? Round your answer to the nearest meter. 4.5 m 9 m 90 m##### 45 m Check my answer please. 
8th Grade AlgebraRadicals:Answer Check
Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2  2(8 Answer: 1(2 ?? 8. (48 + (75 Answer: 9(3 9.(3(10) Answer: 19 + 6ã10 10. (27/64 (Fractions) Answer: 3(3/8 ?? 11. 10(20  3(80 Answer: 10(5 12. (6/49 (Fractions) ... 
Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check 
business
. You've written a check to Goodwill Supply, and the check has been lost. What should you do? A. Stop payment on the first check; then write a second one. B. Send a counter check to Goodwill. C. Write another check immediately. D. Call Goodwill and tell them you'll write ... 
Health please check my answer
Please check my answer thanks What does the abbrevation "AD" represent in a medical report ? My answer is both ears 
PreCalculus/Trig Check please and help
Could someone please check the first one and help me with the second one. I'm stuckThank you 1.What are theroots of the following polynomial equation? (x+2i)(x5)(x2i)(x+8) = 0 I think the roots are 2i,5,2i,8you take out the roots as opposites of what are in the equaion ... 
Calculus
Find the derivatives of the following 18. y=〖cos〗^4 x^4 ANSWER: tanx2 19. y= sinx/(1+ 〖cos〗^2 x) ANSWER: 3sinx 20. y=sinx(sinx+cosx) ANSWER: sinx Can you check my answers? 
Calculus  please check my work
Differentiate each function a) y = 3x^2 + 5x  4 b) f(x) = 6/x  3/(x^2) c) f(x) = (3x^2  4x)(x^3 + 1) the answers i got for each was: a) y'= 6x + 5 b) f'(x)= 6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x  16x^3  4 please double check and let me know if these are correct, thank you. 
Math please check answer
Please check my answer thanks :) Add the following and reduce answer to lowest terms. 1/3 +5/6 + and 3/8  1/3 = 8/24 5/6 = 20/24 5/6 = 9/24  37/24 = 1 13/24 
PreCalculuscheck answers
Find the degree measure of the central angle whose intercepted arc measures 8cm in a circle of radius 15cm. Answer: 401.07 degrees 
calculus
find the circular cylinder of greatest volume that can be inscribed in a right circular cone with altitude 20 cm and diameter of base 10 cm. please answer in detail ..... so at a height h, the radius is 5(1h/20) check that. VolumeCone= PIr^2 H = PI h * 25(1h/20)^2 find dV/dh... 
math
how would I check this on my own? I know you put numbers in the place of the letters but when I do that I come up with my moms answer. this is what i have when I check my work. p=2 q=3 6*(2)*3 =36 but 3(2)(2*3)=36 could you tell me what i'm doing wrong when I check them ... 
PreCalculuscheck answers
Which of the following results in the graph of f(x)=x^2 being expanded vertically by a factor of 3 and reflected over the xaxis? a) f(x)= (1/3)x^2 b) f(x)= 3x^2 c) f(x)= (1/x^2)+3 d) f(x)=(1/3)x^2 Answer: d Thanks for checking my answers 
PreCalculuscheck answers
Write an equation of the tangent function with period 3pi/8, phase shift pi/5, and vertical shift 2. Answer: y=tan(8x/3  8pi/15)2 Thanks 
integral Calculus
The region in the xy plane bounded by the curve y=x^2, the line x=0 and the line x=5 and the xaxis. find the volume generated. can you help me check for correction the answer i got was = 625 
Calculus
Hi, I need someone to double check my answer because it doesn't seem right to me. Find the centroid of the region bounded by y=0 and y = x^2 2x. I calculated the area to be 4/3 and centroid (1, 0.4)... is that correct? Thanks in advance! 
Calculus
Evaluate using integration by parts, substitution, or both if necessary. the intergral of cos 2x ln(sin 2x) dx My work: w= sin2x dw= 2cos2xdx 1/2 dw= cos2xdx 1/2 integrsl sign ln(w)dw u= lnw u'= 1/w v= w v'=1 1/2 [(lnw)(w) integral sign (1/w)(w) dw] 1/2 (wlnww) Final Answer... 
Calculus
List x1, x2, x3, x4 where xi is the right endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 3 and x = 5. 3, 3.5, 4, 4.5 3, 3.2, 4.6, 5 3.5, 4, 4.5, 5 3.25, 3.75, 4.25, 4.75 my answer was a because i kept getting numbers like 3, ... 
Calculus Help and Check
find the derivative of the function integral from cosx to sinx (ln(8+3v)dv) y'(x)= (sin(8+3((sin(x)))+x)+sin(8+3sin(x)x))/2 Is this the right answer????? 
PreCalculus
Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta) 
Math Check
Can someone check this for me? Thanks! Directions: Two integers from 1 through 40 are chosen by a random number generator. Write your answer as a fraction in simplest form a/b. P(both numbers are less than 30) (my answer: 9/16) 
Calculus
Does my answer look correct? Find the derivative. 11, y= (e^3e)(e+5)/6e my work: ((6e)(4e^3 + 15e^2  2e  5)  (6)(e^4 + 5e^3  e^2  5e))/ (6e)^2 Multiplied/divided everything through My answer: (10e^2 + 30e  3)/ 18 I cant follow your work: I assume e is a derivative. (e^3... 
Algebra
Would someone please check these answers? Simplify. 3/x5+1/14/x5 For this answer I got: x2/x9 Divide. x^249y^2/6x^2+42y/(x^27xy) For this answer I got: (x+7y)/6x(x^2+7y) Add. Express your answer in simplest for. x/6+3x/6 For this answer I got: 2x/3 Please check my ... 
Math: law of exponents check answers
I know that anything to the power of 0 is 1 but I need help with these 2 questions and check my answers: (xy)^0 / (z^2a^1)= (2mn^2)^1 / (pqm)^0= (xy^2z)^0= 1? Negative Exponents: it says to leave answers with positive exponents only, I did all these questions so please check ... 
8th Grade AlgebraRadicals:Answer Check
Change each decimal to a fraction in lowest terms. 1) 0.4242.... Answer: 14/33 2)0.58 Answer: 29/50 3)0.14 (Repeating sign over both numbers) Answer: 14/99 Write each expression in simplest form. ( means that it is inside a square root. 1. (54 Answer: 3(6 2. (98 Answer:(14*(7 ... 
maths
1. Q: 23x5 when x=(3) A: 24 2. Q: 6x+4 when x=5 A: 5 _______________ Simplify the expression. 1. (4)(x)(x^2) my answer: 4x^3 2. (24)(5x)(x) my answer: 120x^2 3. x(4x) my answer: 4xx 4. 4t(t+2) my answer: 4t^2+(6t) 5. b^2(4b^2) my answer: 4b^2b^4 6. (c+3c^2...