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Ray

Questions (912)

List all x values where the graph of f(x) has vertical tangentsgoo.gl/photos/iPu1SHA8yyBFTcZj6
1. 3 answers
2. 493 views
Compute derivative using the definition of the derivative.f(x)=1+1/x^2 1+ 1/(x+h)^2 - (1+ 1/(x^2)) ------ divide by h and
1. 2 answers
2. 588 views
Computer the derivative of f(x)=x-(1/x) for x>0 using the definition of the derivative.
1. 6 answers
2. 478 views
lim ln(y-1)y->1+ The answer is negative infinity but how do I show the logic of proving that it's negative infinity? I plugged
1. 2 answers
2. 645 views
Methane, CH4 is the main component of natural gas which is used for cooking in many homes. The molar heat of combustion of
1. 1 answer
2. 945 views
Silicon carbide (SiC) is made by reacting sand (Silicon dioxide, SiO2) with powdered carbon at high temperature. Carbon monoxide
1. 1 answer
2. 4,614 views
6 softball teams are to play each other once. how many games are needed?
1. 1 answer
2. 366 views
Using your mass of Mg (0.101g), and assuming all of the Mg burns in oxygen and forms the theoretical predicted product,
1. 1 answer
2. 684 views
A ball is on the end of a rope that is 1.75 m in length. The ball and rope are attached to a pole and the entire apparatus,
1. 1 answer
2. 615 views
How many atoms of oxygen, O, are in 0.0595 moles of water?
1. 1 answer
2. 578 views
Determine the point(s) if any at which the graph of the function has a horizontal tangent line.y=x^3+x I graphed this function
1. 1 answer
2. 1,335 views
Determine if each of the following functions is in Big-O, is Big-Omega and is Big-Theta of x: (Could be multiple)a) f(x)=10 b)
1. 1 answer
2. 1,005 views
Determine if each of the following functions is in Big-O, is Big-Omega and is Big-Theta of x: (Could be multiple)a) f(x)=10 b)
1. 0 answers
2. 574 views
Determine whether the function is differentiable at x=2x^2+1 for x<(or equal to) 2 4x-3 for x>2 I did the math for the limits of
1. 2 answers
2. 1,007 views
The density of water at 21 degrees C is 0.997992 g/mL. The density of water at 22 degrees C is 0.997770 g/mL. What is the
1. 0 answers
2. 736 views
You measured out 0.101g of Mg. You heat the sample and measure out 0.234 of the magnesium oxide compound. Given your data, what
1. 5 answers
2. 641 views
Find the derivative of the function by the limit process.f(x)=1/sqrt(x) I've worked through my problem and got f'(x) to be -1/2x
1. 1 answer
2. 619 views
Compute the instantaneous rate of change f'(a) for the function f(x) at x=a using:f'(a)=lim(h->0) (f(a+h)-f(a))/h f(x)=x^2 at
1. 2 answers
2. 590 views
Your friend eats 50.0g tuna steak. You find out that the tuna is 0.001% (by mass) mercury. The lethal dose of mercury is
1. 2 answers
2. 1,025 views
Consider the following function.f(x) = 2x^2 − 8x Find the limit. lim (Δx->0) (f(x+Δx)-f(x))/(Δx) How would I set up the
1. 1 answer
2. 2,308 views
Find the x-values (if any) at which f is not continuous. Which of the discontinuties are removable?f(x)=(x)/(x^2-4) I'm not sure
1. 2 answers
2. 1,463 views
Use the properties of logarithms to expand this functiion?ln[ (x^2+1) (x-1) ] So assuming this is a multiplication problem, I
1. 1 answer
2. 602 views
Three students are asked to determine the mass of a coin. They each measure different values for the mass of the coin using a
1. 2 answers
2. 1,282 views
What is the limit of g(x)=x as x approaches pi?Would it just be pi??
1. 4 answers
2. 7,090 views
Evaluate the functionf(x)={9x+5, x<0 {9x+6, x>(or equal to)0 Determine its domain and range using interval notation? I believe
1. 2 answers
2. 621 views
Write the equation for the line through the given point and perpendicular to the given line.Point: (4/5,9/10) Line: 6x-4y=0 I
1. 1 answer
2. 505 views
Consider the function f(x)=sqrt(x) and the point P(4,2) on the graph of f?-Consider the graph f with secant lines passing
1. 3 answers
2. 3,963 views
Write the expression as the logarithm of a single quantity3[(ln x) -2ln(x^2+1)]+2 ln 5?
1. 2 answers
2. 2,224 views
Use the properties of logarithms to expand the logarithmic functionln[(x^2+1)(x-1)] Would this be the correct answer?
1. 3 answers
2. 779 views
Find the points of intersections of these equations?x^2+y^2=1 -x+y+1 This is what I've done so far, I isolated the y's out y=
1. 3 answers
2. 478 views
Evaluate the expression without using a calculator (Make a sketch of a right triangle)tan(arccot 2) Thanks in advance! I'm
1. 1 answer
2. 1,207 views
In how many different ways can six of ten people be seatedin a row of six chairs? I don't have the answer, but from my rough
1. 0 answers
2. 1,851 views
suppose the farmer buys another 1/2 square mile of land and divides all his land into square fields 1/4 mile long and 1/4 mile
1. 7 answers
2. 2,241 views
Did Lucy really say I refuse to ride with Tom?Should there be quotation marks before I and after the question mark?
1. 1 answer
2. 432 views
What are unintended outcomes of Federal Indian Boarding Schools?
1. 1 answer
2. 466 views
Convert thegiven polar equation to a Cartesian equation. r^2=4sec(theta)csc(theta)
1. 1 answer
2. 690 views
Find the parametric equations of a unit circle where you start at point (0,1) at t=0 and you travel clockwise with a period of
1. 3 answers
2. 1,286 views
Determine the values of a and b in the following vectors for the indicated property.m=<10,a,15> and n=<2,-3,b> and vector m is
1. 3 answers
2. 398 views
Consider the vector v=-5.7i-7.2jApproximate to the nearest tenth of degree the angle vector v makes with the positive horizontal
1. 3 answers
2. 488 views
A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years the sum of all
1. 3 answers
2. 760 views
How many grams of solute are present in 795 ml of 0.130m KBr?
1. 1 answer
2. 460 views
The question below is based on the recent corruption activities by our former president Jacob Zuma related to Nkandla.Evaluate
1. 8 answers
2. 738 views
My improvisation teacher today told us to bring something with us to class where you can do a physical action with it. This
1. 7 answers
2. 661 views
As an individual with experience performing office clerical duties and educated as a Library Technician, I am excited to apply
1. 4 answers
2. 629 views
A wheel has a radius of 10 inches is rotating with an angular velocity of 2.5 revolutions per second. Find the distance the
1. 1 answer
2. 831 views
A wheel spins through 29 revolutions per minute. Find the angular velocity and the linear velocity if the radius of the wheel is
1. 3 answers
2. 1,369 views
Find the following:P(z > 2.43)
1. 1 answer
2. 439 views
What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this?
1. 1 answer
2. 583 views
In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 25
1. 0 answers
2. 478 views
The number of Sasquatch living in northern Ecotopia t years after 2016 is given by the formula s(t)=3(1.12)^t . Determine how
1. 1 answer
2. 535 views
A car was valued at $38,000 in the year 2003. The value depreciated to $11,000 by the year 2009. Assume that the car value
1. 3 answers
2. 25,376 views
Imagine that you are driving 150 miles and you want your average speed for the trip to be 60 miles per hour.Imagine that you
1. 1 answer
2. 539 views
Consider the thermal decomposition of potassium chlorate.2 KClO3(s) ---> 2 KCl(s) + 3 O2(g) A mixture containing KCl and KClO3
1. 0 answers
2. 871 views
approximate the value of the integral by use of the trapezoidal rule. n=8a=0 b=4 sqrt 16-x^2
1. 0 answers
2. 545 views
17 1/9 decreased by what number is 5 2/3?This is the answer I have 11 4/9. Is this correct.
1. 1 answer
2. 339 views
How many moles of acetic acid are present in 10.00 mL if the concentration is 0.500M HC2H3O2?
1. 1 answer
2. 898 views
Jerry is packing cylindrical cans with diameter 6 in. and height 10 in. tightly into a box that measures 3 ft by 2 ft by 1 ft.
1. 1 answer
2. 3,232 views
The admission fee for student is $8 and the admission fee for Adult is $15. In one hour, 12 adults and students enter the museum
1. 1 answer
2. 823 views
Can someone please help. How log will it take you to save $100,000 if you start saving 1597 every 3 months starting today?
1. 0 answers
2. 401 views
1. The extra money being raised by the band booster club has been (earmarked, maneuvered) to fund future trips. maneuvered2. The
1. 9 answers
2. 634 views
A car rental agency advertised renting a car for $24.95 per day and $0.33 per mile.If David rents this car for 3 days, how many
1. 2 answers
2. 4,591 views
Estimate the moment of inertia of a bicycle wheel 67 cm in diameter. The rim of the tire have a combination mass of 1.1kg.(1.1)(
1. 0 answers
2. 1,055 views
(4,-3) is on gFor each of the following functions find a point on its graph. Enter exact answers. I cannot find the other three
1. 1 answer
2. 633 views
GE's light bulb division ordered 100.kg of tungsten for the filaments. If the tungsten comes in a cube what is the volume of the
1. 1 answer
2. 1,133 views
1.630 g of iron ore is dissolved in an acidic solution. This solution is titrated to a pink endpoint with 27.15 mL of a 0.020 M
1. 1 answer
2. 3,936 views
Ray counted a total of 40 white cars and yellow cars. There are 9 times more white cars then yellow cars. How many white cars
1. 1 answer
2. 516 views
can some explain thismultiply the first equation by -10 -10x-10y=
1. 1 answer
2. 453 views
Recently, a university surveyed recent graduates of the English Department for their starting salaries. Four hundred graduates
1. 2 answers
2. 1,194 views
A survey of an urban university (population of 25,450) showed that 878 of 1,119 students sampled supported a fee increase to
1. 2 answers
2. 721 views
Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The results showed that the
1. 2 answers
2. 1,084 views
Is there a way to calculate the moment of inertia of a hanging mass (3.1 kg) without length & width dimensions?
1. 1 answer
2. 592 views
How to -2x+6y=-26 8x+6y=-1 6using elimination method
1. 1 answer
2. 467 views
The law of large numbers tells us what happens in the long run.Like many games of chance, the numbers racket has outcomes so
1. 2 answers
2. 2,592 views
The law of large numbers tells us what happens in the long run.Like many games of chance, the numbers racket has outcomes so
1. 1 answer
2. 1,063 views
A class survey in a large class for first-year college students asked, "About how many minutes do you study on a typical
1. 3 answers
2. 1,328 views
A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m.block is slowly displaced horizontally by
1. 1 answer
2. 641 views
A truck with 40-in.-diameter wheels is traveling at 50 mi/h.a) Find the angular speed of the wheels in rad/min b) How many
1. 1 answer
2. 3,891 views
A trash can with a mass of 5 kg has a coefficient of static friction of μs = 0.80 and a coefficient of kinetic friction of μk
1. 1 answer
2. 1,918 views
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2.(a)What angle does the ramp make with
1. 1 answer
2. 944 views
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. What angle does the ramp make with
1. 0 answers
2. 486 views
1.the trip led to an argument between Helen and ____a.I b.me 2. It was ____ who demanded an apology from the newspaper. a.we
1. 1 answer
2. 854 views
Where can I find a good, reliable source on the internet about the Bermuda Triangle? I would like a PDF with at least a few
1. 1 answer
2. 537 views
Is it passive or active voice?Many clothes (we're given) to the homeless shelter. Passive By the end of today, the students
1. 2 answers
2. 1,106 views
Jay can deduct the amount over 7% of his gross income as medical expenses on his income tax return. If his annual salary is
1. 1 answer
2. 655 views
Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic
1. 0 answers
2. 849 views
squareroot of 8 * exponents 3
1. 2 answers
2. 299 views
An eyepiece is made of two positive thin lenses, each of focal length f = 20 mm, separated by a distance of 16 mm. (a) Where
1. 2 answers
2. 1,005 views
A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the
1. 4 answers
2. 1,925 views
Citric acid (H3C6H5O7) is triprotic acid which reacts with NaOH according to the balanced chemical equation shown below what
1. 1 answer
2. 2,438 views
A mixture of He Ne and 3rd gas exhibit a total pressure of 486 mm hg if the partial pressure of He125mm mm hg and partial
1. 2 answers
2. 1,092 views
Calculate the heat released when 454 g of steam at 100.0C condenses and then cools to 30.0C. State your answer in calories.
1. 3 answers
2. 3,018 views
The pH of a .10M HOBr solution is 4.81. What is [H+] in that solution? 2. What is [OBr-]? What is [HOBr]? (where do the H+ and
1. 1 answer
2. 2,467 views
A battery with an emf of 14.5 V and internal resistance of 0.83 Ω is connected across a load resistor R.If the current in the
1. 2 answers
2. 754 views
10log(5x + 40) = 10
1. 1 answer
2. 377 views
1) log(9 – x) – log(6 + x) = 12) e^2x + e^2x = 1 3) 2e^6x + e^6x = b
1. 3 answers
2. 325 views
find range for g(X)= -cos4x
1. 1 answer
2. 990 views
The parachute on a race car of weight 8,810 N opens at the end of a quarter-mile run when the car is traveling at 34 m/s. What
1. 1 answer
2. 3,847 views
Boron is used to dope 1 kg of germanium (Ge). How much boron (B) is required to establish a charge carrier density of
1. 1 answer
2. 536 views
A 1.0 102 g piece of copper at a temperature of 460 K and a 2.0 102 g piece of aluminum at a temperature of 2.2 102 K are
1. 6 answers
2. 753 views
Does the series ln/n^2 converge using the L'Hoptial's rule also.I know you can use the integral test but I have also seen others
1. 1 answer
2. 412 views

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