Wednesday
July 23, 2014

Posts by rudy


Total # Posts: 50

spanish
Each of the Spanish sentences below is incorrect in either grammar or meaning. Rewrite each sentence correctly. 1. El rey que canta está tocando el tambor. The king that used to sing is playing the drum. 2. Él y ella está tomando jugo. He and she are drink...

accounting
Pattillo Industries makes a product that sells for $25 a unit. The product has a $5 per unit variable cost and total fixed costs of $9,000. At budgeted sales of 1,000 units, the margin of safety percentage is 45%, 55%, 64%, none of these

trigo math
7. Prove that tan B sin B + cos B = sec B. 11. Prove that tanλ cos^2λ +sin^2λ/sinλ = cos λ + sin λ. 12. Prove that 1+tanθ/1+tanθ = sec^2θ+2tanθ/ 1-tan^2θ. 21. Prove that sin^2w-cos^2w/ tan w sin w +...

Calculus
Given the function y=(x^2-5/x+3), answer the following questions. a) Find dy/dx. Simplify your answer b) Find the coordinates of any points on the graph of y where the tangent line is horizontal. Show your work. c) Are there any points on the graph of y where the tangent line ...

Calculus
the slope of the line tangent to the curve y=(tanx/cosx) at x=(pi/3) is? a)-8 b)2√3 c)3√2 d)8 e)14

Calculus
Use n = 6 subdivisions and left endpoints to estimate the area under the graph of f(x) = 2x + 1 between x = 0 and x = 3.

Calculus
Use n = 3 subdivisions and left endpoints to estimate the area under the graph of f(x) = 3x 2 + 1 between x = 0 and x = 1.

Calculus
Set up a Riemann sum to estimate the area under the graph of f(x) = 5x 2 + 2 between x = 0 and x = 1 using 3 subdivisions and left endpoints. Draw the graph and the 3 rectangles

Calculus
1. Determine whether Rolle's Theorem applied to the function f(x)=((x-6)(x+4))/(x+7)^2 on the closed interval[-4,6]. If Rolle's Theorem can be applied, find all numbers of c in the open interval (-4,6) such that f'(c)=0. 2. Determine whether the Mean Value Theorem ...

Calculus
1. Find all relative extrema of the function f(x)=x^(6/7)-3. Use the Second Derivative Test where applicable. 2. Find all relative extrema of the function f(x)=2x^4-16x^3+4. Use the Second Derivative Test where applicable.

Calculus
1. For the function f(x)=4x^3-30x^2+4: a) Find the critical numbers of f(if any); b) Find the open intervals where the function is increasing or decreasing; and c) Apply the First Derivative Test to identify all relative extrema 2. For the function f(x)=(x-1)^(8/11) a) Find th...

Calculus
Thank youu(:

Calculus
If the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, then k is a: 1/2 b: 1/4 c: 0 d: -1/8 e: -1/2

Calculus
Thanks ^.^

Calculus
1. For a differentiable function f, f' be the funcyion defined by f'(x) lim h->0 =f(x+h)-f(x-h)/(h) a: Determine f'(x) for f(x)=x b: Determine f'(x) for f(x)=x^2

Calculus
A particle moves along a horizontal line so that at any time t its position is given by x(t)=cost-t. Time is measured in seconds and x is measured in meters. a.) Find the velocity as a function t. Use your answer to determine the velocity of the particle when t=pi/6 seconds. I...

Calculus
Thank You so much for all the answers(:

Calculus
Find the second derivative of the function. g(x)=x^6secx

Calculus
Write an equation of the line that passes through the point (i) parallel to the given value, and (ii) perpendicular to the given line. Point(7,1) Line(-5x-5y=90)

Calculus
Find the slope of the graph of the function at the given value. h(z)=z^(2/7)-z^(5/8) when z=7

MATH
√(x+5)-√(x-3)=2

math
Find the present value of $30000 due 14 years later at 7.8%, compounded continuously.

physics
Physics force-a bat hits a baseball and applies a force of 450 newtons to the ball.how much force does the ball exert on the bat

calculus
Find the equation of the line that is tangent to the graph of: x^2cosy +5y^2=(1/4)x^2 , at the point (2π,π)

American Gov
How does Congress affect the agenda of the President?

College Algebra
Solve the system: 4x-3y=-3 y=6x-13 What is the value of y in the function?

Fiance
If a father wants to have $100,000 to send a newborn child to college, how much must he invest annually for 18 years if he earns 9 percent on his funds?

math
1.8 and 3.5. I just used guess and check. I knew that the numbers had to be under 5.3. Also, the number in the tenths place had to add up to 13 or 3, so 1.8 and 3.5.

6th grade
1.8 and 3.5

English
"Continuous transformation of the universe" could basically be written as "the passing of time." In general the phrase means "humans, as well as towns, die and are born as time passes."

Physics
Determine the tension in the string at the top and bottom of its path when a 0.3 kg yo-yo is whirled in a vertical circle of radius 0.5 m at 2.5 m/s. I'm sure I can solve this, I just can't find the equation for tension. The only equation I could find in my book is if ...

chemistry
why is iodine dissolved in alcohol and used as tincture of iodine on wounds?

DQ
Determine which factors may explain that most of the higher per-pupil expenditures are found in the Northeastern and upper Midwest states and the lower per-pupil expenditures are found in the South and West. In your opinion, what needs to happen to create a balance in school f...

calculus
(f o g)(3x^2) << question ...f=4x-10 g=2x^2

MATH URGENT
f(x)=12x^5+45x^4–80x^3+2 the question asks to find the inflection points but i dont seem to understand how to find this even by taking the second derivative.

math
f(x)=12x^5+45x^4–80x^3+2 the question asks to find the inflection points but i dont seem to understand how to find this even by taking the second derivative.

chem
based on the balanced eq: c6h12+9O2->6CO2+6H2O calculate the molecules of CO2 formed when 174 molecules of H20 form. im not exactly sure how to start this problem.

math
Sketch f (x) = x + cos x on [-2pie,2pie ]. Find any local extrema, inflection points, or asymptotes. And find the absolute maximum and absolute minimum values of f on the given interval. i cant seem to figure out how to solve this

calc
how do u get the - 8x over one?

math
lim-> 0 sin 3x/7x i keep getting 0 even using the quotient rule but htis is not the answer

math
im trying to take the derivative of this problem and plug in seven but im not getting the answer. s=t3–2t2–6t t> or equal to 0 where s is measured in meters and t in seconds. When does the particle reach a velocity of 7 m/s?

math
lim x-> -infinity 1/(sqaure root of 4/x^2 plus one) i dont understan why the answer is 1.

Algebra
the way u did it, if I try to do the others, Aren't they all true though?

math
i am not sure how the multiples of 15 come into this problem?

math
i am wondering if the following answer to my math problem is correct f(x)=x^3-4x-2 [2,3] We are doing limits and are suppose to use the Intermediate value thereom the answer i put was f(2)<o and f(3)>0

math
i am wondering if the following answer to my math problem is correct f(x)=x^3-4x-2 [2,3] the answer i put was f(20<o and f(3)>0

math
i am having trouble iwth the following math problem: lim x->oo -x/squre root 4+xsquare I am not sure if i multiple the denominator with the numerator?

SCIENCE
I NEED TO KNOW THE SYNONYMS OF THE FOLOWING WORDS. PROPERTY SOUND BOILING POIMT MELTING POINT MIXTURE SOLUTION

math
x+a=b/3x x= ? i understand that u bring the x to one side but the answer given is 3a/b-3. I do not understand how to get this answer plz help to get the answer given, your equation must have been x+a = (b/3)*x multiply each term by 3: 3x + 3a = bx 3a = bx - 3x 3a = x(b-3) then...

SYNONYMS HELP
PROPETY SOUND BOILING POINT MELTING POINT MIXTURE SOLUTION

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