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Algebra1
Please let me know if these are correct. 1. Find: 10% of 30 3 2. Find: 10% of 100 10 3. Find: 20% of 50 10 4. Find: 20% of 100 20 5. Find: 50% of 50 25 6. Find: 150% of 300 450 7. Find: 15% of 56 8.4 8. Find: 27% of 92 24.84 9. Find: 32.8% of 106 34.768 10. Find: 79.9% of 10,... 
Trignometry
Given Triangle ABC: I think there are suppose to be right triangles... 1) If <A = 30º, and c = 20, find a, b, and <B 2) If a = 10 and b = 14, find c, <A, and <B 3) If a = 6 and <B = 53º, find b, c, and <A 4) If c = 13 and b = 12, find a, <A, and <B 5... 
math
The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68, 72, 67, 58, 74, 81, 72. Display the data in a stemandleaf plot. 1. Find the mean. 2. Find the median. 3. Find the mode. 4. Find the range. 5. Find ... 
Statistics
The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stemandleaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range. 6. Find the variance. ... 
statistics
The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stemandleaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range. 6. Find the variance. ... 
maths
For the following graph: a. Find the domain of f. b. Find the range of f. c. Find the xintercepts. d. Find the yintercept. e. Find the intervals over which f is increasing. f. Find the intervals over which f is decreasing. g. Find the intervals over which f is constant. h. ... 
math
Let equation of an hyperbola be y^24x^2+4y+24x41=0 a. Find the standard form b. Find the center c. Find the vertices d. Find the foci e. Find the slant asymptotes 
Calculus
Given the function: f(x) = x^2 + 1 / x^2  9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show me how u got this! 
Calculus
Given the function: f(x) = x^2 + 1 / x^2  9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show me how u got this! 
Trignometry
1) If <A = 30º, and c = 20, find a, b, and <B 2) If a = 10 and b = 14, find c, <A, and <B 3) If a = 6 and <B = 53º, find b, c, and <A 4) If c = 13 and b = 12, find a, <A, and <B 5) If <A = 20º and b = 10, find <B, a and c 6) If c = 30 and <A... 
probability
The random variables X and Y have the joint PMF pX,Y(x,y)={c⋅(x+y)2,0,if x∈{1,2,4} and y∈{1,3},otherwise. All answers in this problem should be numerical. Find the value of the constant c. c= Find P(Y<X). P(Y<X)= Find P(Y=X). P(Y=X)= Find the following ... 
Probability
Let Y be a Normal RV with mean 7 and standard devi ation 4. a. Find P (Y = 7). b. Find P (Y < 5). c. Find P (Y ≥ 10). d. Find P (Y < 0). e. Find E[Y]. 
math
For the following pair of functions, f(x)x+2, g(x)√x1 find each of the following and state its domain: a.) find (f+g)(x) b.)find (fg) (x) c.) find (fg)(x) d.) find (ff)(x) e.)Find (f/g)(x) 
precalculus
R(x)=x^2+x6 ________ x3 1. find the domain and yintercepts 2. find the xintercepts 3. find the real solution of the equation 4. find the horizontal or oblique asymptotes 5. find the xaxis 6. plot the points 
Calculus
Given the function: f(x) = x^2 + 1 / x^2  9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative Please show me how u got this!! 
consumer math
2. Use the monthly payment table and this table to answer the following questions. Loan APR Years Monthly Payment Total Payment Interest $6,700 13.5% 5 A B C $8,720 12.5% 15 D E F $20,230 11.5% 20 G H I Find A. (Points : 1) 3. Find B. (Points : 1) 4. Find C. (Points : 1) 5. ... 
Math help
Consider the following table for a singlefactor ANOVA. Level of Factor Replicates 1 2 3 1 0 4 4 2 0 5 6 3 1 3 6 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2. 
Statistics
Consider the following table for a singlefactor ANOVA. Level of Factor Replicates 1 2 3 1 1 2 5 2 2 4 7 3 2 4 7 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2. 
math
let equation of an ellipse be x^2+4y^2+6x8y+9=0 a. Find the standard form of the ellipse b. Find the center c. Find the vertices d. Find the foci e. Find the eccentricity 
Math
Using the expression 56xy + 5 6x + y/20,find the following: a. Find two sums. b. find the terms of the expression. c. find a product of two factors. Find the coefficient in the product. d. Find the quotient. This is to hard. Where do I start? 
Statistics and Probability
The following table shows the density of the random variable X. x 1 2 3 4 5 6 7 p(x) 0.03 0.01 0.04 0.3 0.3 0.1 0.01 8 ? A. Find P(8) B. Find P(3 ¡Ü X ¡Ü 5) C. Find P(X ¡Ü 4) and P (X < 4). Are the probalities the same? D. Find F(3)and F(10) 
Trigonometry
Given Triangle ABC: Right Triangles 1. If a = 6 and <B = 53º, find b, c, and <A 2. If c = 13 and b = 12, find a, <A, and <B 3. If <A = 20º and b = 10, find <B, a and c 4. If c = 30 and <A = 40º, find <B, a 
math
Consider the following. (Give your answers correct to four decimal places.) (a) Find P(0.00 < z < 2.13). (b) Find P(1.81 < z < 2.03). (c) Find P(z > 0.23). (d) Find P(z < 1.51). 
math
Consider the following. (Give your answers correct to four decimal places.) (a) Find P(2.07 < z < 0.00). (b) Find P(1.86 < z < 2.11). (c) Find P(z < 1.55). (d) Find P(z < 0.55). 
physics (3 separate questions)
1. The motion of a body is described by the equation ay = −308y. (a) Find the angular frequency. (b) Find the frequency. (c) Find the period. 2. A 2.10 kg mass attached to a spring oscillates with a period of 0.395 s and an amplitude of 20.5 cm. (a) Find the total ... 
PreCalc
QP is (x y) = (3 1) + r (14 10) QR is (x y) = (3 1) + s (17 9) PR is (x y) = (0 18) + t (5 7) where r, s, and t are scalars. 1. Use vector methods to find the coordinates of P, Q, and R. 2. Find vectors PQ and PR and evaluate PQ*PR 3. Find size of QPR 4. Find the area of ... 
PreCalc
QP is (x y) = (3 1) + r (14 10) QR is (x y) = (3 1) + s (17 9) PR is (x y) = (0 18) + t (5 7) where r, s, and t are scalars. 1. Use vector methods to find the coordinates of P, Q, and R. 2. Find vectors PQ and PR and evaluate PQ*PR 3. Find size of QPR 4. Find the area of ... 
Math Compound Interest
If $500 is invested at an interest rate of 4.5% per year, find the amount of the investment at the end of 11 years for the following compounding methods. (Round your answers to the nearest cent.) Find a, Anually Find b, SemiAnually Find c, Quarterly Find d, Continuosly 
Algebra1
Please check these 15. Simplify the product using FOIL: (4x+3)(2x+5) 6x^2 + 26x + 15 16. Given the set of data 2, 6, 3, 8, 5, 4, 2, what is the mean? 4.28 41. Find 60.5% of 8,125. 4,915.625 54. Find 45% of 125 56.25 68. Evaluate: (5.0 x 10^3) x (4.0 x 10^7) I need help in this... 
MATH!!!
Consider the following where s is in feet and t is in seconds. s(t) = t3 + 4t2 + 6t + 4 (a) Find v(t). v(t) = (b) Find a(t). a(t) = (c) Find v(3). (d) Find a(3). see above. Please stop posting under different names. WHAT?!! 
Statistics
Solve the following problems by using the binomial formula. a. If n = 4 and p = .10 , find P(x = 3) . b. If n = 7 and p = .80 , find P(x = 4) . c. If n = 10 and p = .60 , find P(x ¡Ý 7) . d. If n = 12 and p = .45 , find P(5 ¡Ü x ¡Ü 7) . 
Math
find f'(x) find the slope of the graph of f a x=2 and x=4 find the equations of the tangent lines at x=2 and x=4 and find the value(s) of x where the tangent line is horizontal. f(x)=2x^2+8x I found that f'(x)=4x+8 and that the slopes were 16 and 24 and the equations were y=... 
Calculus
F(x) = x^5 ln x A) Find the interval on which f is increasing Find the interval on which f is decreasing B) Find the local minimum value of f C) find the inflection point (x,y) Find the interval in which f is concave up Find the interval in which f is concave down 
Physics
i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r 
Phyisics
i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r 
physics
i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r 
Honors PreCal
We're reviewing and I forgot how to do this. Given y=x24+3 (x2 is x squared) a)write in standard from b)find vertex c)find equation of the axis of symmetry d)find the xintercepts e)find the yintercept 
Maths
Let f(x)= x^55x+3 1Find f'(x) and f"(x). 2Find the intervals on which f(x) is increasing or decreasing. 3Find the local maximum and minimum of f(x), if any. 4Find the intervals on which the graph of f(x) is concave up or concave down. 5Find the points of inflection, if any. 
MATH
We now have d dx [x5 + y8] = 5x4 + 8y7y' = d dx [9] = 0. Rearranging this, we get 8y7y' = ??????????  A table of values for f, g, f ', and g' is given. x f(x) g(x) f '(x) g'(x) 1 3 2 4 6 2 1 8 5 7 3 7 2 7 9 (a) If h(x) = f(g(x)), find h'(3... 
Algebra 2
Did I answer these correctly? 1.f(x) = 2x + 3 g(x)= 2x^2 + 2x Find f(g(x) ) 2(2x^2+2x)+3 =4x(x+1)+3 = 4x^2+4x+3 2. f(x) = 5x + 3 g(x) = 2x^22x + 2 Find (fg(x) ) (5x+3)(2x^22x+2) 2(5x+3)(x^2x+1) 10x^34x^2+4x+6 3.f(x)=3x g(x)= 2x^2 2x Find (f  g)(x) 3x(2x^22x) =3x+2x^2... 
algebra
Find the number of terms in each sequence. 1. 2,6, 18,54,,,,,4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to... 
Math
Consider the equation below. (Round the answers to three decimal places. If you need to use infinity or infinity, enter INFINITY or INFINITY.) f(x) = 9 sqrt(xe*^(x) (a) Find the interval on which f is increasing. ( , ) Find the interval on which f is decreasing. ( , ) (b) ... 
Algebra please help!!
Find the number of terms in each sequence. 1. 2,6, 18,54,,,,,4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to... 
Algebra please help!!
Find the number of terms in each sequence. 1. 2,6, 18,54,,,,,4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to... 
Algebra please help!!
Find the number of terms in each sequence. 1. 2,6, 18,54,,,,,4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=3; find s8 4. E like symbol with a 10 on top. On the bottom k=1 to... 
Calculus
Let h(x)= x^3 + 4x 2. Let g(x) represent the inverse of h(x). Find g(14). I know that if (a, f(a)) is on h(x), then (f(a), a) will be on g(x). I also know that if f^1(a)=b if f(b)=a. I thought that if I could find the x value(s) at which h(x)=14, I would be able to find g(14... 
Math
Consider the following where s is in feet and t is in seconds. s(t) = t^3 + 4t^2 + 6t + 4 (a) Find v(t). v(t) = (b) Find a(t). a(t) = (c) Find v(3). (d) Find a(3). v(t) is the first derivative of s(t). a(t) is the second derivative of s(t). I will be happy to critique your ... 
physics
A simple harmonic oscillator with = 0.845 and total energy = 145 has amplitude 1.45 . A) find spring constant B) find period C) find max speed D) find max acceleration 
Physics
Can someone please help me with this physics question? I have most parts of the question answered already. (i only need help with b and c). Thanks The motion of a body is described by the equation 3.50 sin (0.100ðt)where t is in s and y is in m. (a) Find the amplitude 3.50 m... 
Phyics
A projectile is fired horizontally from a 39 m cliff at 30m/s . Find the speed and velocity of the projectile when it strikes the ground. Find vx Find vy Find v 
ellipses
8x^2+y^2+80x6y+193=0 Find the center (which i think is (5,3) Find the major axis Find the minor axis && find the distance from C to foci 
maath
The accompanying tree diagram represents a twostage experiment. (Let x = 0.45, y = 0.55, r = 0.65, s = 0.35, t = 0.4, and w = 0.6.) Use the diagram to find the following probabilities. (Round your answers to three decimal places.) (a) Find P(A) · P(D  A). (b) Find P(B) · P... 
Math
I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= 5 1.y=2 whne x=7 2.y=2 when x=2 3.y= 17 when x=4 y varies directly with x. 1.if y=6 when x=2,find x whn y=12 2.if y=7 ... 
Math
Find 30% of 70. a. 40 b. 21 *** c. 2.1 d. 0.4 Find 20% of 55. a. 22 b. 11 *** c. 35 d. 30 Find 12% of 200. a. 22 b. 24 *** c. 34 d. 40 What is the best estimate of 42% of 756? a. 320 *** b. 240 c. 400 d. 420 Find 11% of 400. a. 46 b. 40.6 c. 50.6 *** d. 56 
Pre calculus
Find all roots f(x) x^3+2x^215x+30 Factor f(x) completely. I can't find any roots and always get a remainder with 1, 1, 2, 2 What do you do if you cannot find a root?? Using Calc button on ti84 I got X= 5.619 Y=1.4E11 Still can't find zeros... 
math
find the area of a right angled riangle. find the distance from A to B. Find the distance from B to C. Find the midpoint B(1,4) A(1,1) C(4,1) thanks for your time and help. 
Math
The diameter of circle C is 18 cm. mAD is 60°. Answer the following: a) Find m<DAB.Explain. b) Find <mDBA. Explain. c) Find m<BDA. Explain. d) Find the length L of AD. 
math
A gallup poll of 1236 adults showed that 14% believe that bad luck follows if your path is crossed by a black cat, so n=1236 and p=0.14 1.Find the mean? 2.Find the standard deviation? 3.Find the ND (np > 5 and nq > 5 ?) 4.Find the min, max of usual values by RROT 
geometry
Triangle PQR has vertices P(1,2), Q(25,2) and R(10,20). Find the coordinates of the centroid. Find the coordinates of the circumcenter. Find the coordinates of the orthocenter. Find the equation of the line. 
calc
f(x) = e^x/1+e^x find the horizontal and vertical assymptotes? find the interval whr f is increasing? Find the inflection point. Find the interval where the function is concave up. Find the interval where the function is concave down. 
CAL
Hi, im lost in theses three problems. Please help. Thank you so much!!! 1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = 3 squareroot all 1 + 5x (g(x), f(u)) = ??????? Find the derivative dy/dx. 2... 
calculus
5. Find the equation of the tangent line to the graph of f(a) = sec(a) at the point (0, 1) 6. Differentiate y = sin(x)tan(x). 7. Find f '(x) for f(x) = sin(x)cot(x). 8. Find the derivative of the function f(x) = cos^2(x) + tan^2(x) 9. Find f '(x) for f(x) = xln(x)  5ex. 
Physics
I don't know where to start with this one. "Find the work done accelerating a 2 kg box from 2m/s to 3 m/s." Can't find acceleration because I don't know time. In fact, I don't see how any of the kinematic equations can help me out to find either distance or acceleration so ... 
PRECAL
Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y16x+13=0 Find the center of an ellipse 9x^2+4y^236x24y36=0 Find an ellipse with minor axis of 8 and vertices at (9,3),(7,3) 
precal help
Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y16x+13=0 Find the center of an ellipse 9x^2+4y^236x24y36=0 Find an ellipse with minor axis of 8 and vertices at (9,3),(7,3) 
Physics
Consider the system of capacitors shown in the figure below (C1 = 5.00 µF, C2 = 7.00 µF). Find the equivalent capacitance of the system. Find the charge on each capacitor. Find the potential difference across each capacitor. Find the total energy stored by the group. 
Math
Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6x/8=1 2. Find the value of X...x/x2x+1/x=8/x^22x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x2/20 find the lowest common ... 
math
Let a(t), v(t) and s(t) be the acceleration, velocity, and position functions respectively of a particle. If a(t)=5cos(t/2)+sint and s(0)=0, v(0)=5. How do i find the position function s(t)?? find s(t) as the second integral of a(t) s(t)= INTINT a(t) dt dt = INT (10sint/2 ... 
Math
A bag contains 12 slips of paper of the same size. Each slip has one number on it, 112. Find P(even number). Find P (a number less than 6). Find P (an odd number). Find P (a number greater than 8). 
Math
1/(x^3)27 or 1=A(x^2+3x+9)+Bx+C(x3) I'm trying to find the partial fraction decomposition. I think A=1/21, but how do I find the right values to plug in for x to find B and C? 
Calc
Find dy/dx by implicit differentiation. y^5 + x^2y^3 = 1 + x^4y So, first I find the derivative: 5y^4 + 2x3y^2 = 4x^3(1) Now I find dy/dx: But this is where I don't know what to do? Please Help. 
Calculus
Below is a table containing information about differentiable functions f and g: x: 2 1 0 1 2 f(x): 4 3 5 2 1 f'(x):1 4 2 5 3 g(x): 5 2 1 3 4 g'(x):3 5 4 1 2 F(x) + g(x), G(x)=f(x) * g(x), H(x) = g(x)/f(x) Find F'(1) Find G'(0) Find H'(2) 
Calculus AB
The functions are f(x)= lnx, x>0 and g(x)=sinx. Let H be the composition of f with g, or H(x)=f(g(x)) and A) Find the domain of H B) Find the range of H C) Find the zeros of H 
math
p varies directly as q and the square of r and inversely as s write the equation of the relation find k if p=40 q=5 r=4 s=6 find p when q=8 r=6 and s=9 find s when p=10 q=5 r=2 
Mathematics
given u = (all the letters of the alphabets) x = ( a,e,l,o,u) and y = (e,b,c,d,f,h) find (i) x union y find (ii) x intercept y find (iii) x'ny' 
math
if rs=8y +4, st =4y,and rt=15y9. find value of y. find rs, find st, find rt 
calculus
In dire need of help with derivatives. if f(x)=(x2+3x+6)3, find f'(x) if f(x)=3^1/2 / t^5 (square root of three divided by t to the 5th power), find f'(x) If f(x)=(3x+4)^–1 , find f(x) . 
Planning
Im trying to find a budget page at education planner . ca, but I can't seem to find it. If you find it, could you please give me a link to it. 
Calculus
I am not sure what to do here: Find the derivative (f '(x) using the limit process a). f(x)= 2x^2+5x+2 find f ' (2) b.) Find the equation of the Tangent Line at (1,5) 
MATH HELP
I need help to find out the area of base, how to find it and how to find the total volume for a cone on a cylinder please help 
Physics
The position of a particle moving along the x axis varies in time according to the expression x=4t^2+2 where x is in meters and t is in seconds. Evaluate it's position at the following times a) Find the displacement from 0s to 3s b) Find the average velocity from 0s to 3s c) ... 
Maths mst
Question – 3: Consider a particle moving according to the velocity function, v(t) = 2a3exp(2t)+2/t+2,for t>0. (a) If the net distance,d,covered by the particle in the time interval,[0,3],is 20,find the value of a. What is the terminal velocity of the particle?. (b) Find... 
math
For the arithmetic series 13+19+... a. find tsub27 b. find Ssub27 c. if tsubn = 445, find n 
Algebra
I'm trying to find the sum of this geometric series but I can't find a common ratio. How do I find it? 1+1/5+1/25+... 
Algebra
I'm trying to find the sum of this geometric series but I can't find a common ratio. How do I find it? 1+1/5+1/25+... 
Algebra 2
Did I solve these problems correctly? 1. f(x)=3x + 2 g(x)=3x^2 x + 2 Find (f + g)(x) 3x+2+(3x^2x+2) =3x^23xx+4 =3x^24x4 2. f(x)=x 1 g(x)=2x^2 2x 5 Find g(f(x) ) 2x^2 2x 5(x1) =2x^2 2x 5x+5 =2x^2 7x+5 3. f(x)=3x + 2 g(x)= 2x2 3x + 5 Find g(f(x) ) 2x^23x+5(... 
Algebra 2
Did I solve these right? 1. f(x)= 3x + 1 g(x)= 4x^2 + x + 2 Find g(f(x) ) 4(3x+1)^2+(3x+1)+2 4(3x+1)^23x+1+2 33x4(3x+1)^2 33x4+24x36x^2 =21x36^21 2.f(x)= 2x + 1 g(x)= 3x^2 x 1 Find (g /f)(x) 3x^2x1/2x+1 3. f(x)=x +2 g(x)= 4x2 + x + 5 Find (f o g)(x) f... 
Math
Find an equation for the hyperbola. vertices:(2,3)(2,3) Foci:(2,5)(2,5) I used the midpoint formula to find the center and I came up with (2,0). I just don't know how to find a and b. 
Statistics
Answer the following questions. (a) The random variable x is distributed normally, with x~N(80,100) Find the probability that x is greater than 90. x >90. (b) Find P(x<85). (c) Find P(76<x<84). 
calculus
how would you find the median of a pdf picture it basically is a triangle with points (0,0) (6,.2) (10,0) do i need to find the slopes to find equations for the lines? thanks! 
Math
I know the answer to this question, but I want to find a simpler way of doing it... Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S= 1+2+3+...+24+25, find the value of S. Thanks!!!!! 
History
We're learning about imperialism, and i have to find the foreign aid recipient $$ of china. I can't find it on the website my teacher gave to us.. Does anyone know it, or know where I could find it? 
Maths Derivatives & Calulus
1) Find d^2y / dx^2 given that y^3  x^2 = 4 2)If y = xª + ( 1 / xª ) , prove that x^2 . y'' + xy' – a^2 . y = 0 3) Find dy/dx for the following function. cos ( x  y ) = ( y ) ( 2x + 1 ) ^3 4)Find the values of A and B that make f(x) differentiable at x = 0 f(x) = A + 2x... 
Precalc
A hyperbola has this Cartesian equation: ((x2)/5)^2 + ((y+1)/3)^2 = 1 A. Find direction in which it opens. Horizontal? B. Find the coordinates of the center. I think it's (2,1) or (1,2)? C. Find the slopes of the asymptotes: m=+ ? 
geometry
Having to do with special segments in a circle, P is diameter, AC=3 BC=5 AD=2. FIND PD, FIND ED, FIND PB 
COLLEGE CALCULUS. HELP!
1. If f(x)=sin(x^2), Find f'(x) and f'(1) 2. If d/dx(f(3x^3))=9x^2, Calculate f'(x). 3. Let f(x)=cos(6x+6), find f'(x) 4. Let f(x)=2sec(2x), find f'(x) 
Math check
Consider the following. (Give your answers correct to four decimal places.) (a) Find P(0.00 < z < 2.13). =.4834 (b) Find P(1.81 < z < 2.03).=.9436 (c) Find P(z > 0.23). =.4090 
math
If y varies diretly with x, write an equation for the direct variation. then find each value. Find y when x = 10 if y = 8 when x = 20 If think I can find the value by y/10 = 8/20 with the answer for the value is 4. My problem is how to find the equation. Please explain. 
math (calculus) PLZZZ help!
Consider the function below. (Round the answers to two decimal places. If you need to use  or , enter INFINITY or INFINITY.) f(x) = e^x/1+e^x find the horizontal and vertical assymptotes? find the interval whr f is increasing? Find the inflection point. Find the interval ... 
geometry
Basic Geometry 1. Find the perimeter of a rectangle 19 cm long by 27.8 cm wide. 2. In triangle ABC, angle A = 47°, and angle B = 8°. Find angle C. 3. Find the perimeter of a triangle with sides of length 28 cm, 47 cm and 19 cm. 4. In triangle FGH, angle F = 32°, and angle G...