# Calculus (Answer Check)

88,900 results, page 70-
## American History

1. Realpolitik was a campaign to bring honesty back to the political culture of the United States after the Vietnam War. ---------------------my answer: True? Realpolitik is political realism or practical politics, esp. policy based on power rather than on -
## math (Damon) check step by step for me

A mixture of pure k2cr207 and pure kmno4 weighing 0.561g was treated with excess of ki. In acidic medium. Iodine liberated required 100ml of 0.15M of sodium thiosulphate solution for exact oxidation. The right answer 43.67 k2cr207 and 56.33 kmn04 K2cr207 = -
## Calculus

A car leaves an intersection traveling west. Its position 5 sec later is 22 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 5 sec later is 27 ft from the intersection. If the speed of -
## Calculus 1

Water is leaking out of an inverted conical tank at a rate of 9,500 cm^3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 6 m and the diameter at the top is 4 m. If the water level is rising at a rate of -
## Physics

I have these two equations that I'm supposed to set equal to each other and find the answer for h which is height for this problem. But I don't think I'm solving it correctly. 0 - (h/5) = -1.1(v0) - (1/2)(-9.8)(1.1)^2 (v0)^2 = 2(-9.8)(h/5 - h) My final -
## spanish help please

A nosotros se ____perdieron las llaves del auto. answer nos Se me _____ (forgot) hacer la tarea anoche. answer olvida A Rita y a Pedro se _____dano la motocicleta answer les -
## Earth Science

Seismic waves move faster through which of the following media? a.) water b.) steel c.) oxygen d.) oil Please answer my study guide is due Monday and the teacher hasn't gone over this I looked through my notes and everything. It would really help if you -
## Language Arts

What is the meter of line 6? A wildcat roaring past steep banks A)stressed, unstressed, stressed, unstressed, stressed, unstressed, stressed, unstressed B)unstressed, stressed, unstressed, stressed, unstressed, stressed, unstressed, stressed*** -
## french

Part 2 directions: complete with either es, s, ées, 1. Voilà les photos que j'ai --------. (prendre) Answer: prises 2. C;est toi qui les as --------? (prendre) Answer: prises 3. Bien sûr! Je t'assure que je ne les ai pas ---------.(acheter) Answer: -
## Algebra2 (Please Check My work)

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,-3.5) <---- (0,-4) (0,7) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his -
## check!

here is the question: log5(x-4)= log7x solve for x. These are just base 10 logs. log100 = 2 This equation has the same format as log 40 = log (2x20) Since both sides have log base 10, you divide by log base 10 and end up with 5(x-4) = 7x, so 5x -20 =7x -
## calculus help

Produce graphs of f that reveal all the important aspects of the curve. Then use calculus to find the intervals of increase and decrease and the intervals of concavity. f(x)= 1+(1/x)+(5/x^2)+(1/x^3) find the interval of increase. find the interval of -
## Math ~ Check Answers ~

Please Check My Answers. 1: Solve each inequality. m – 7 < 6 a. m < - 1 b. m > 1 c. m < 13 d. m < -13 2: Solve each inequality. p + 12 > 9 a. p > 21 b. p > 3 c. p > -21 d. p > -3 My Answers: 1: b. m > 1 2: a. p > 21 -
## math

how would you simplify y= (x^5-32)/(x-2)? I know that it would equal (x^5-2^5)/(x-2), but what's the next step? It wouldn't be just (x^4-2^4), would it? kristie, in general I think you can prove (x-a)|(x^n - a^n); read (x-a) divides the expression on the -
## Calculus

A tank contains 2920 L of pure water. A solution that contains 001 kg of sugar per liter enters a tank at the rate 4 L/min The solution is mixed and drains from the tank at the same rate. (a) How much sugar is in the tank initially? (b) Find the amount of -
## Calculus

A rectangular piece of tin has an area of 1334 square inches. A square tab of 3 inches is cut from each corner, and the ends and sides are turned up to make an open box. If the volume of the box is 2760 cubic inches, what were the original dimensions of -
## behavior problems (dogs)

please check my answer thanks You've evaluated Max, a two-year-old neutered male English Bull Terrier. You found him to be very friendly with humans; he's outgoing and confident. Max is an obedient dog and you anticipate he will do well in training. Max's -
## math-word problem- PLEASE CHECK MY ANSWER

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 miles per hour and train B is traveling at 120 miles per hour. Train A passes a station at 5:20am. If train B passes the same station at 5:35 am, at what time -
## Physics - Charges at an angle (check + help)

Three charged objects are located t the vertices of a right triangle. Charge A (5*10^-6) has Cartesian coordinates (0,4; Charge B (-5.0*10^-6) is at the origin; charge c (+4.0*10^-6) has coordinates (5,0), where the coordinates are in meters. What is the -
## Technology

Which of the following is not an example of an Objective question? Multiple choice Essay True/false Matching•• Why is it important to recognize the key word in an essay question? It will provide the answer to the essay It will show you a friends answer -
## equation complex number

z^4 + 81 = 0 (solve) change it to polar, then take the root. z^4= 81@180 z= 3@180/4 + n90 where n=0, 1, 2, 3 check: z= 3@180/4 + 3*90=3@315 z^4=81@(4*315)=81@1260= 91@180=-81 you can check it at the other roots also. this is what i did: z^4 = - 81 z (81 -
## Radicals3

State the restrictions on the variables and then simplify each of the following expressions. A.) X root 12x^4 The answe is 2x^3 root 3 but I don't know how to get the answer it. B.) (3x root x^2)(2 root x^5) The answer is 6x^4 root X but I don't know how -
## SCIENCE(CHECK ANSWER)

how does the use of a golf club make it easier to move a golf ball from its starting position to a hole 250 yards away? A.the golf club reduces the distance over which the input force is applied B.the golf club reduces the input force needed.(I PICKED -
## Physics

A golfer hits a ball from the origin with an initial speed of 35 m/s at an angle of 44 degrees above the horizontal axis. The ball is moving down when it lands on a green that is 3.00 m above the level where it was struck. Neglect air resistance. 1. How -
## Grade 12 Calculus and Vectors

A homeowner wants to enclose a rectangular garden with fencing The garden will be adjacent to his neighbours lot. There will be fencing on all four sides. His neighbour will be paying for half of the shared fence. What should the dimensions of the garden -
## question for Dr.Bob22

The mole fraction of acetic acid (CH3COOH) in an aqueous solution is 0.675. Calculate the molarity of the acetic acid, if the density of the solution is 1.0266 g mL-1. To give a different take on this, here is another way of approaching the problem. I -
## American gov

But freedom to differ is not limited to things that do not matter much. That would be a mere shadow of freedom. The test of its substance is the right to differ as to things that touch the heart of the existing order. . . . If there is any fixed star in -
## math

can you check: 3/5 a = 3 i got : a = 5 is that right? -
## algebra ----

#27 can you check this: -5x (x-4) i got: -5x +20 #28 (y^2 - y -1) + (y^2 + Y + 3) i got: 2y ^2 + 2 #29 (x^2 + 1) - (2x^2 + x -1) i got: -x^2 - x +2 -
## Math

1 1/7 x 1 3/4= 8/7 x 7/4= 56/28 56/28=2 Please check on the above. -
## algebra

3/2y-3/2y+4= 3(y)-2(y+4)= 3y-2y+8= y=1/8 check this -
## math help

can someone check and see if i did this right x+2y=8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x -
## algebra

x^2x-35 x(2x-35) x(x-35) check this for me thank for your help. -
## math check

How does this c(c-2)-c-1(c+3) come to 3-4c? -
## algebra

can you check if im right? -7 + 9 i got 2 -23 - 12 -23 + -12 = -35 8 - (-5) 8 + 5 = 13 -12 + 7 = -4 5 - 14 5 + (-14) = -9 12 + (-8) = 4 8 - 13 8 + (-13) = -5 -5 - 16 -5 + -16 = -21 13 - 17 13 + -17 = -4 -26 + (-14) = -40 -26 + 13 = -13 |-2| + 5 2 + 5 = 7 -
## Math

5x - 3 = 7x + 11 x=-4 3w -4 = w+8 w =6 Please check. Thanks -
## help

do you check papers -
## Math

Please check 15/16 x 2/3 = 5/8 -
## math

Please check -27=8x-5x -27/3=3x X=-9 -
## algebra

What is the check of 40/5=8 -
## algebra

a+4/2=a+4/a= a^+4a+ a+4a a^=-4-4 a^=8 Check this for me -
## algebra

y/4+2y=2y^2/4 check this -
## math check

2k=14.6 K=29.2 -
## Algebra

Can you check 2z - 3y -8z + y I got : 2z-8z-3y +y = -6z -4y =. -2y -
## essay please check

ok can you check what i have on my essay -
## Math

2 + m < 2 is m < 0 but how would I check it? -
## Please check answers

(-2)7=-2^7 -2^5 = -2*-2 = 4 * -2= -8 * -2 = 16 * -2 = -32 -
## Math

Please check- I got 10 4(9-2)/2^2+3 -
## Math

-2+3{6-(1-9]=? I got 14. I just need you to check if its right -
## algebra

x^+5x-6=0 x^+5x-6=(x+2)(x-3) (x+2)(x-3)=0 x+2=0 or x-3=0 x=-2, or x=-3 check this please let me know if right. -
## Please Check This 2!

p^4-1=(p^2)(p^2+1) Typo? p^4-1=(p^2-1)(p^2+1) -
## Math

Please check 2/5 + (-7/8) = -6 -
## math *check*

x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9 -
## algebra

can you check if right? 3 [(18-3) + 4 (5 +7)] i got 93 -
## algebra

2y+1/y^2-Y-6= 2y+1/(y+2)(y-3) check this -
## Algebra

Please check: 2x-1<9= 2x<10=x<5 Thanks -
## Check answers?

1. (3x + 4)(x – 2) A)3x^2 – 2x – 8 B)x – 8 C)3x – 2x – 8 *** D)3x^2 + 2x + 8 -
## math- check this please

1. 3t<-9=t<-3 2.4m>8=m>2 3.10<-2w 5<w 4.-20>-5c 4>c 5.-27>3z -9>z 6.-7b>42 b>6 -
## Math

Check for 2/3(k+8)=52 -
## math- check me

(-3)/(5)y=-15 Does y=25 -
## Calculus

A particle moves along the x-axis with the velocity given by v(t)=3t/(1+t^2) for t >or equal to 0. When t=0, the particle is at the point (4,0). 1. Determine the maximum velocity for the particle. Justify your answer. 2. Determine the position of the -
## English

Could you please check if the following fill-in-the-blank activity is possible? 1. The woman denied __________ (be beaten) by her husband. 2. She admitted __________ (be abandoned) when she was a child. 3. He stopped __________ (drink) a glass of water and -
## History

Could someone explain the concept of judicial review and its impact on the balance of power in the United States Government? Judical review means that the courts can review congressional and administrative actions to see if they are constitutional. The -
## chem

Describe in detail by words how to prepare 200ml of .150M HCl from a 1.00 M HCl stock solution? Need help with this please? i used C1V1=C2V2 and got volume 2 = 33L or 0.33mL. to prepare the solution i need to weigh 1 gram of HCL (from 1.00M HCl stock -
## AP Chemistry

Could you please check my work and let me know if my answer is correct? I don't have a solutions guide and I want to make sure I'm really comprehending the material. Calculate the # of grams of barium flouride that will dissolve in 2.50 L of pure water at -
## calculus/physics

A trough is 2 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=−1 to x=1. The trough is full of water. Find the amount of work required to empty the trough by pumping the -
## Calculus

The speed of a runner increased steadily during the first three seconds of a race. Her speed at half-second intervals is given in the table below. Find lower and upper estimates of the distance she covered during the first three seconds of the race. Use -
## Calculus please help??

The motion of a spring that is subject to dampening (such as a car's shock absorber)is often modeled by the product of an exponential function and a sine or cosine function. Suppose the equation of motion for a point on such a spring is -
## Maths-Calculus

If f(2)=1 and f(2+h)=(h+1)3, compute f′(2). If f(−1)=5 and f(−0.9)=5.2, estimate f′(−1). If the line y=−3x+2 is tangent to f(x) at x=−4, find f(−4). Your answer should be expressed as an integer. If the line -
## Calculus

If the series from n=1 to infinity of n^P converges, then which of the following is false? a. P < 1 b. the series from n=1 to inf of n^-P converges c. the integral from n=1 to inf of x^P dx is finite d. the integral from n=1 to inf of x^(P-1) dx is -
## Calculus!!

Consider the differential equation given by dy/dx = xy/2. A. Let y=f(x) be the particular solution to the given differential equation with the initial condition. Based on the slope field, how does the value of f(0.2) compare to f(0)? Justify your answer. -
## Chemistry

Could someone check my answers? 1. Why was 95% ethanol alcohol added when titrating aspirin in an experiment? Because it helps the aspirin dry quicker and become pure while the titration is going on. 2. Would the following mistakes cause the calculated -
## chemistry

In the chemical plating experiment zinc powder is dissolved in a hot NaOH solution to form sodium zincate according to the following reacton: Zn(s) + 2NaOH(aq) Na2ZnO2(aq) + H2(g) Answer true or false for each of the following statements regarding the -
## Math

8*2sq+7*(4+1)= ? Can someone explain to me what to after the parenthesis? I mean in the PEMDAS of operations says that I should multiply. Multiply what and when? By the way the actual problem is a example I got out of my book. Right at this momen there is -
## Chemistry

A mass of 0.630 g of NaCl is dissolved in 525 g of water. CAlculate the molality. mass of NaCl= 0.630g mass of H20= 525g molar mass of NaCl= 58.44 This is what i did it keeps telling me the answer is wrong. Convert grams to moles of NaCl 0.630 * 1 mol -
## Plz Check my Geometry(sOo0n)

Out of 31 questions these are ones I struggled with. after the = sign is what I think the answer( except for #4, I don't know what to do at all), is so if I'm wrong can someone correct it with an explanation/formula with it please? 1.) Find the area of the -
## Plz Check my Geometry(sOo0n)

Out of 31 questions these are ones I struggled with. after the = sign is what I think the answer( except for #4, I don't know what to do at all), is so if I'm wrong can someone correct it with an explanation/formula with it please? 1.) Find the area of the -
## Physics - Half Life Question Check!!!

An ancient rock is found to contain 40Ar gas, indicating that 77% of the 40K in the rock has decayed since the rock solidified. Any argon would have boiled out of liquid rock. How long ago did the rock solidify? The half-life of 40K is 1.25 billion years. -
## AP Calculus

Consider the curve given by x^2+4y^2=7+3xy a) Show that dy/dx=(3y-2x)/(8y-3x) b) Show that there is a point P with x-coordinate 3 at which the line tangent to the curve at P is horizontal. Find the y-coordinate of P. c) Find the value of d^2y/dx^2 (second -
## calculus

Let f'''(t) = 5 t + 10 \sqrt{t}. (a) Find the most general formula for f''(t). If an arbitrary constant must be used here, use an upper-case "C". f''(t) = (b) Based on your answer to (a), find the most general formula for f'(t). If another new arbitrary -
## Physics

Hi I really need this question answer as a check: a helicopter holding a 70 kilogram package suspended from a rope 5.0 meters long accelerates upward at a rate of 5.2 m/s^2. a. Determine tension on the rope. b. When the upward velocity of the helicopter is -
## Algebra (Please Check My Answers)

CCA Unit 4 Lesson 11 3. If a number is not a rational number, then it is ______. ~ an integer ~ and irrational number*** ~ a whole number ~ a radical 4. James attached a diagonal brace across a rectangular frame that measures 6 feet by 8 feet. What is the -
## calculus - ratio test

infinity of the summation n=1: (e^n)/(n!) [using the ratio test] my work so far: = lim (n->infinity) | [(e^n+1)/((n+1)!)] / [(e^n)/(n!)] | = lim (n->infinity) | [(e^n+1)/((n+1)!)] * [(n!)/(e^n)] | = lim (n->infinity) | ((e^n)(e^1)(n!)) / -
## Chem Check Please!!!

If an octahedral iron(II) complex is diamagnetic, which of the following sets of conditions best describes the complex? a. low-spin, Delta 0 small b. low-spin, Delta 0 large c. high-spin, Delta 0 small d. high-spin, Delta 0 large e. none of these Answer C -
## Help last questions( check)

What is the volume of the right prism? 15in 17in 10in 8in a. 1200 in3 <--- ? A b. 600 in3 c. 400 in3 d. 50 in3 The 17 doesn't matter I believe. It is labled inside the prism on the grey which is the opposite side as the 15. So I just did 15 x 10 x 8. -
## Please check my Calculus

1. Find all points of inflection of the function f(x)=x^4+x^3 A. (0, 0) and (-½, -1/16) B. (-½, -1/16) C. (0, 0) D. (0, 0) and (-¾, -27/256) E. none of these I got A. I found the second derivative and solved for x and plugged in the values to find the -
## math - marginal analyis

A factory's output is Q=600K^1/2L^1/3 units, (read 600 x K to the 1/2 power x L to the 1/3 power). K denotes capital investment and L denotes the size of the labor force. Estimate the percentage increase in output that will result in a 2% increase in the -
## science

hi i want to ask you what does a root do to help plants grow? and what does a leave do to help a plant grow? could you please answer this queastion immediately? As I said to your later post, it is unrealistic to expect an immediate reply. However, you -
## Calculus

The line that is normal to the curve x^2=2xy-3y^2=0 at(1,1) intersects the curve at what other point? Please help. Thanks in advance. We have x2=2xy - 3y2 = 0 Are there supposed to be 2 equal signs in this expression or is it x2 + 2xy - 3y2 = 0 ? I'll -
## Calculus

Help my find the first derivative of these two questions, please. y = 6-e^x (Ans at the back of the book is -e^x) y = 2x+3e^x (Ans at the back of the book is 2+3e^x) And for this question find the first derivative when x=0 f(x) = (e^x+1)^2 Answer at the -
## calculus review please help!

Write the integral in one variable to find the volume of the solid obtained by rotating the first‐quadrant region bounded by y = 0.5x2 and y = x about the line x = 5. Use the mid-point rule with n = 4 to approximate the area of the region bounded by y = -
## Managerial Economics

I'm not sure I have the formulas correct for this problem and I do not know what the labor hours are.... Dimex Company, a sheet-metal mfg., estimates its long run production function is: 3 3 2 2 Q = -0.015625K L + 10K L where Q is the number of body panels -
## math***check answerss****

please check answers... 2.yesterday ,a parking lot had 10 cars parked in it.of the cars parked in the parking lot l,40% were silver,3 were red,and the rest were blue.how many of the cars were blue? A.2 cars B. 5 cars C. 3 cars (I PICK THIS) D. 8 cars -
## English

Could you please check these last few sentences, please? Thank you in advance 1) What did you like most among the various topics we dealt with during your school year? 2) Are you going to continue your study of English at university? 3) Are you going to -
## reading

i need to know what is the theme of the story "the face on the milk carton" Check these sites for information about themes in novels. Then you can make your own decision about the theme of The Face on the Milk Carton. -
## Science Check answer

Key: ☺ = My Answer! 1. The thermal energy of an object is _____. its potential energy its average kinetic energy ☺ its potential energy minus its kinetic energy its kinetic energy plus its potential energy 2. A device that can be used both for -
## Math - Problem solving

I used the guess and check method for solving this problem but would like to know how to set up the equation. A camp counselor buys granola bars and juice drinks for the campers. She decides to buy 3 times as many drinks as granola bars. Predict how many -
## Algebra

Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My answer is: -12/x^2-36 Solve. 1/x+5+2=5/x+5 My answer is: -3 Subtract. Express your answer in simplest form. 13x/30-4x/15 My answer is: x/6 Can someone verify if my answers are correct? -
## calculus

a) Let f(z) = z^2 and γ(t) = 1 + it^3, t ∈ [0,1]. i) Write out the contour integral ∫γ f(z)dz as an integral with respect to t. You do not need to evaluate this integral. ii) Evaluate the integral ∫0,1+i z^2dz iii) What is the -
## Calculus the derivative

The height in feet of a free falling object t seconds after release is s(t)=-16t^2+ v_0t+s_0, where s_0 is the height(in feet) at which the object is realsed, and v_0 is the initial velocity (in feet per second). Suppose the coin is dropped from a height