76,397 results

1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 Estimate (f prime) f^' (2) and f^' (8) Please show work so I can understand. I'm really stuck. if the table comes out messed up, the values are: (0, 137) (2, 112) (4, 88) (6, 68) (8, ...

Can you PLEASE PLEASE PLEASE PRITTY PLEASE WITH A CHERRY ON TOP help me find a link that will give me the meanings of idioms?

y=log(100493/40000*x-1) y=atan(100493/40000*x+1) y=exp(-100493/40000*x+1) Note you will need 2 integrals to represent the area. Approximate the area of the region bounded by the given curves. I can do it with two but kinda struggling over here please helppp!

Algebra 1

What is the solution? use elimination . 4x-y=23 7x-y=21 PLEASE HELPPP!!!!

S=1+2*(1/5)+3*(1/5)^2+4(1/5)^3...... If S=a/b, where a and b are coprime positive integers, what is the value of a+b?

f(x)=|x|+1 Let A(r) be the enclosed by the x axis, the line x=-2, the graph of the function f, and the line x=r for any r=>-2 A) Write A(r) as a piecewise function with its joints at r=0 Please walk me through each step i am really confused!!

I HAVE A MATH TEST TOMORROW HELPPP PLEASE!

im not sure how to find the first four terms of each arithmetic sequence tn=4+(n-1)(3) helpp me pleasee!

I HAVE A MATH TEST TOMORROW HELPPP PLEASE!

im not sure how to find the first four terms of each arithmetic sequence tn=4+(n-1)(3) helpp me pleasee!

chemistry... HELPP

Place charges and electron dots as needed on each ion. As Se Br K Ca Ga. I answered: As3+ Se2- Br- K+ Ca2+ Ga2+ but i got it wrong so please helppp!!!

english

can you please tell me if this is a sentence or fragment: The plan to have a class reunion. I think it's a sentence but idk because i can continue it by adding "is cancelled" in the end. How to know if it's already a sentence? of it's still a fragment? PLEASE HELPPP

algebra

CAN SOMEONE PLEASE HELPPP!? I NEED HELP IN ALGEBRA, SIMPLIFYING RADICALS! SIMPLIFY THE SQUARE ROOT OF 45a SQUARED!

math

whats the product of -8x^2y and-2xy^3? use law of exponents to find the product. show your work. please helppp

Physics

An object moving to the right has a positive acceleration which is decreasing. Is this object speeding up or slowing down? Explain why? Please helppp

US HISTORY

Could someone help me conclude an essay on prohibition. I am writing: even though there were laws and movements for prohibition, it actually didn't work. PLEASE HELPPP!!!

Math/calculus HELPPP

Graph the system of inequalities, and label each with a vertex with its coordinates. y-2x≥-3 y+3>−x 3y−2​x≤12 2y+x<8 I did graph this but I'm having a hard time to label each vertex with its coordinates.

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees calculate acceleration ...

PHYSICS IS THERE ANYONE WHO WUD HELP PLEASE

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees calculate acceleration ...

literature

what method does jerry use to lie underwater on the sea floor? a. he wears swimming goggles b.he dives holding on to a big rock c.he dives past the older boys d.he counts to 115 Is it b? PLEASE HELPPP QUICK

MATH

f(x)=x/x^2 – x simplify g(x)=????helppp

Physics HELPPP

(0 m/s)^2 - (23.7 m/s)^2 divided by 2(9.00 m/s)^2 ?

A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.

AS Physics

A driver leaves his car without applying the hand brakes on a road inclined at an angle of 25 degrees. The car starts to roll down the road with the driver chasing from behind after moving a distance of 20 m the speed of the car is 5.0 ms-1. Calculate the coefficient of static...

math

One lap around a track is equal to one-sixth of a mile. A horse ran a distance of 7 laps in 3 minutes and 20 seconds. What is the horse’s average speed in miles per minute? HELPPP PLEASE!!!!!!

science

Given that 6.20 x 10^23 ethanol molecules have a mass of 46.04g calculate the number of ethanol molecules in a film of ethanol that is 3.08 mm by 0.0015 mm. Assume the density of ethanol is 0.790 g/mL please helppp

HELPPP

NO ONE HAS RESPONDED TO ME ALL DAY !!!

Math helppp

Graph f (x) = 3cos (4pix -pi/2) -2

anatomy

project please helppp me create a road map/travel guide throught the body starting from the head finishing at your toes.be creative with how you represent cavities. include introduction and superior or cranial or inferior or caudal. and 2 body cavities

Pre-Algebra:HELPPP

Factor: y^3-3y the ^ is an exponent is the answer y(y^2-3)

HELPPP!! math

HELLP!! Can someone help me solve for y in this equation.? -4/5 = (y-2) / (4- (-1))

physics

Which truck has more momentum?? 20kg*m/s or 20000kg*m/s??? HELPPP!!!

HELPPP!! rate of change

The points (-1,2) & (4,y) have a slope of -4/5. What is the y coordinate for (4,y).?

math

Determine whether each value of x is a solution of the equation 7-3x=5x-17 a. x- -3 b. x-0 c. x-8 d. x-3 Helppp!!!!!

A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 28° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 11.1 N, what is the tension in the rope?

us government

what are some of the legal fictions that Tocqueville discussed? HELPPP PLEASEE !!!

How many days on average can you survive without food or H20?

Physics 10 (helppp please) thannnks

A sagging floor is jacked up and a steel girder 10 ft long whose cross sectional area is 6in^2 is put underneath. When the jack is removed, a strain gauge shows that the girder has been compressed by 0.0080in. Find the weight the girder is supporting in lbs and tons.

Alg

.Write an algebraic expressoin for4 times the sum of q and p HELPPP PLZZZ :)

Which of the following sentences uses the word "diction" correctly? A broad vocabulary will allow you to use good diction. Diction comes from rhyming words in poetic literature. He never used any diction in his many lengthy novels. Let's go diction before we jump in the water ...

science

If one mole of the compound Al 4 C 3 has a mass of 144 g and one mole of carbon has a mass of 12 g, calculate the relative atomic mass of the element aluminium. any one helppp please..

Physics

While an elevator of mass 2681 kg moves upward, the tension in the cable is 29.4 kN. (a) What is the acceleration of the elevator? (b) If at some point in the motion the velocity of the elevator is 1.04 m/s upward, what is the elevator's velocity 3.96 s later? Please helppp ...

biology

In two to three well-developed paragraphs, explain how the graph below helps support the concern that burning fossil fuels has changed the atmosphere. Describe, in your own words, the change shown in the graph and how this change is occurring in the atmosphere. i cant post a ...

PHYSICS

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees calculate acceleration ...

Physics

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees calculate acceleration ...

Physics

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees calculate acceleration ...

Physics

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. Pumpkin is at left of angle n is 53 degrees and watermelon is on right and at 30 degrees calculate acceleration ...

AP CALCULUS!! HELPPP URGENT

related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er second. find the rate...

The height of a curved support beam can be modeled by F(x)=- x^2/288 +18 Find the height and width of the beam. Height = units Width = units

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 ...

Physics

Find the speed, v, of a pendulum at the bottom of its swing (B), given that it has mass m and initial height at A is h (the difference in height from B to A). Your answer will be in terms of g as well. Included is a drawing of a pendulum at its maximum height (A), and at its ...

chemistry, i need helppp like a.s.a.p!!!!

What is the density of a 23.92 g object block if the dimensions: length = 10.6 mm height = 5.47 cm width = 0.0352 m

A 9.5-kg watermelon and a 7.2-kg pumpkin are attached to each other via a cord that wraps over a pulley, as shown. Friction is negligible everywhere in this system. (a) Find the accelerations of the pumpkin and the watermelon. Specify magnitude and direction. magnitude ...

In a two-digit number the units’ digit is 7 more than the tens’ digit. The number with digits reversed is three times as large as the sum of the original number and the two digits. Find the number.

MUSIC HELPPP!!!!!!!!!!!!!!!!!!!!!!

A blank is a mechanical or electronic device used to keep a steady tempo a- metronome b- crescendo c- ritardando d- bar line

SCIENCE helppp!!

Our sun is what scientists call a "yellow-green star." Does it emit energy in the frequency of red light? I have no idea!

the worksheet says to copy and place parentheses to make each statement true. . . but i have NO ideaa what that means..? cann anyone helppp!

PHYSICS

A tennis ball is thrown horizontally from an elevation of 20.60 m above the ground with a speed of 21.0 m/s vertical m from ground??? f the ball is still in the air, how long before it hits the ground? (If the ball is not in the air, enter 0.)???? If the ball is still in the ...

Math

I need helppp D: ---------------- Simplify the expression -4-5(x+8) *-5x-44 *-5x+36 *-x-8 *-20x+8 5x+6(x-2)-8(x-3) *19x+36 *19x+12 *3x-36 *3x-12 x+8<-28 *x<-36 *x<-20 *x<20 *x<36

Helppp

IF A is the median of {1,2,3...,10}, and B is the median of 1,2,3,4,...11, what is the average (arithmetic mean) of A and B? Express your answer as a decimal? "{}" is no different from B

Organic Chemistry

Please Helppp!!!!!! 1)In the test with sodium iodide in acetone and silver nitrate in ethanol, why should 2-bromobutane react faster than 2-chlorobutane? 2) When treated with sodium iodide in acetone, benzyl chloride reacts much faster than 1-chlorobutane, even though both ...

chemistry (helppp me)

what is the bond order for BeF2? according to the lewis structure? ....according to MO diagrams its 0. 16 valence e-

I lost my paper for the Math Riddle Pizazz page 167 about solving systems of equations and I no longer have the problems. (It is the "did you hear about the farmer who fed his cows birdseed.." page) What are the math problems for it?!?

calculus

Can someone please tell me what the word "WHOLE" AND "IRRATIONAL" MEAN IN CALCULUS? THANKS

1) Two cars travel in the same direction along a straight road. The figure below shows the velocity, V, of each car at time t. Car B starts 3 hours after car A and car B reaches a maximum velocity of 40 km/hr. a. For approximately how long does each car travel? Car A: ...

science helppp.

4. Small pieces of rock that enter Earth's atmosphere at speeds of 15 to 70 km/s and burn up are called ____. (1 point) stars meteors meteorites asteroids

math

Helppp me! Need this in about 10 min. earlier the better!!!! pleaseee:) anyways... neg. 9/10 plus neg. 1/6 =?

Math helppp

The area of a playground is 64 square yards. The length of the playground is 4 times longer than its width. How can I solve this?

math

PLEASEEE HELPPP Evaluate exact values, if they exist? if any doesn't exist state so. a) (in randians) sin^-1(-1/√2)

Physics

PLEASE HELPPP! An ice skater hits a patch of rough ice. The rough patch has a kinetic coefficient of friction with her skates of 0.13. The skater's mass is 51 kg. She passes over the rough patch in 0.55 s. What impulse does the rough patch of ice give her?

algebra 8..helppp

Educantion..Benjamin must have 120 credit hours of instruction to receive his college degree.Benjamin wants to graduate in 8 semesters without ettending summer sessions.How many credit hours must Benjamin take on average each semester to graduate in 8 semester? i don"t know ...

Physics

Find the minimum stopping distance for a car moving at 108km/h if the coefficient of static friction between the tires and road is 0.9 I really don't understand pls helppp

maths HELPPP

Y= AX + B Write a program for the calculator which: • Generates and displays suitable integer values of A and B: • Requests the student to input the coefficient of Y and the constant term in the re arranged formula; • Checks the students answers; • Outputs a relevant ...

PHYSICS

A dolphin wants to swim directly back to its home bay, which is 0.85 km due west. It can swim at a speed of 4.35 m/s relative to the water, but a uniform water current flows with speed 2.82 m/s in the southeast direction. (a) What direction should the dolphin head??? (b) How ...

calculus

hello here, Please can i get direction on website to practice calculus (both differential & integral) objectives based online. thanks.

Physics

A fireworks rocket is moving at a speed of 48.4 m/s. The rocket suddenly breaks into two pieces of equal mass, which fly off with velocities v1 and v2, as shown in the drawing. What is the magnitude of (a) v1 and (b) v2? In the image the two pieces are going off in a right ...

statistic math

the local weatherman has been accurate (successful) in his forecast 80% of the time. find probability that he is accurate exactly 3 of the next 5 days. helppp

helppppp math helppp!

the fernrod motorcycle company invested 250,000 at 4.5% compounded monthly to be used for the expansion of their manufacturing facilities. how much money will be aviable for the project 3.5 years?

Texas State History

Green DeWitt brought settlers to which area? Nacogdoches. The Brazos Valley. The Red River.* The Guadalupe River. PLZ HELPPP ME!

ss helppp

Tariffs, quotas, and subsidies are examples of A) free trade. B) trade barriers. *** C) trade incentives. D) restrictive licenses.

physics

So in physical science i'm learning about vectors using the pythagoream theorem, and when i get what c equal i wanted to know if i round to the next highest number, put it is a decimal, or do nothing at all. Helppp pleaeee[:

Calculus Please Need Urgent3 :/

Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus. F(x)= (s^2)/(1+3s^4)ds from sqrtx to 1 F'(x)=? Thank you so much guys!

Science helppp

Oxygen moving from the bloodstream into a cell down a concentration gradient is a form of A: osmosis B: endocytosis C: Active transport D: passive transport Is the answer D? •

HELPPP ASAPPP

An archeitect is designing a rectangular fountain for the city park. It's area is represented by 16x-40. Factor this binomial to determine the greatest lengh and width measurements that fountain could have?

HELPPP

Solve the linear programming problem by the method of corners. Minimize C = 5x + y subject to x + 3y ≥ 43 x + y ≥ 27 x ≥ 0, y ≥ 0

Everybody hw help who go facebook

I don't use facbook.but hw essay topic what should people do to get rid out of facebook? What should they do if they r addicted to it? Ples helppp

physics

A 200g Nerf dart is shot from a dart gun with a kenetic energy of 3.60J. What was the initial speed of the dart? >>> change g into kg Formula(i think) is: Ek=1/2 mv2 Helppp?

MATH PLEEASEEE HELPPP

If the outliers are not included in the data set below, what is the mean of the data set? 42, 43, 46, 48, 57, 60, 96, 59, 38, 68, 29 47 48 49 52 is it c

Calculus AB (AP)

Hi, I have a calculus test tomorrow and I understand how to complete all of the problems, but I am unsure behind the reasoning of taking two derivatives. Can someone please explain the following: 1. g(x)=e^(f(x)) g'(x)=e^(f(x))f'(x) 2. f(x)=Integral from 0 to 3x of the square ...

Calculus

I need help with these two review calculus problems for my final exam. What is the derivative of a). (5x^2+9x-7)^5 b). Lne^x^3 For a. I got 50x+45(5x^5+9x-7)^4 For b. I got 3x^2 Can you verify please?

social studies

confucianism lost influence because__________ the sui and early tang dynasties . people wanted a more _________ escape that promised _________ from _________ (plz helppp)

Canasta is played with two decks of 52 cards each plus the 4 jokers. A standard Canasta hand consists of 11 cards. How many hands are possible?

Physics helppp

A 67.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe", a track that is one-quarter of a circle with a radius of 2.55 m. What speed (in m/s) does he need at the bottom assuming that the local acceleration due to gravity is 9.80 m/s2?

A helicopter is lifting two crates simultaneously. One crate with a mass of 151 kg is attached to the helicopter by cable A. The second crate with a mass of 79 kg is hanging below the first crate and attached to the first crate by cable B. As the helicopter accelerates upward ...

Calculus: Derivatives

I'm having trouble understanding what derivatives in calculus (instantaneous speed) is. Can someone please explain it to me, or provide some easy links to learn from? Thanks!

PHYSICS helppp!!!

A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and carries a current I. Find an expression for the vector magnetic field at the center of the loop

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2 Machine B: 2 Machine C: 2 ...

Pre-Calc Helppp!!!

Find the indicated angle è. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume a = 110 and c = 136 (angle B=38) Round your answer to two decimal places.)

Physics- HELPPP

A combination of 0.383 kg of water at 22.8◦C, 0.499 kg of aluminum at 61.3◦C, and 0.408 kg of copper at 68.3◦C is mixed in an insulated container and allowed to come to thermal equilibrium. Determine the final temperature of the mix- ture.

HELPPP

I printed out a summer activite to test my skill on science and i found some that i stumbled upon and couldn't figuire out so help? If im wrong then please correct me. 2.A 3.B 4.B 5.A 6.B 2.Giraffes have long necks that allow them to eat leaves in trees. What is this an ...

science

2H2(g) + O2(g) = 2H2O (l) Calculate the volume of Hydrogen gas at STP required to produce an amount of energy equivalent to that produced by the combustion of a gallon of octane. The density of octane is 2.66 kg/gal, and its standard enthalpy of formation is -249.9 kJ/mol. ...