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The drama teacher wants to estimate how many tickets to sell for a show.The auditorium has 56 rows of seats. There are 32 seats
1. 2 answers
2. 756 views
A cord with two masses at each end (Mass 1 = 6.0 kg and Mass 2 = 11 kg) is hanging by a pulley.1) Calculate the acceleration of
1. 1 answer
2. 468 views
What is the period of y=5sin1/3(x+25°)-4
1. 1 answer
2. 222 views
What is the phase shift of y=5sin1/3(x+25°)-4
1. 1 answer
2. 287 views
What is the density of g/cm^3, of a piece of metal that has a mass of. 500kg and a volume of 63cm^3
1. 2 answers
2. 1,351 views
In a previous poll, 31% of adults with children under the age of 18 reported that their family ate dinner together seven
1. 0 answers
2. 992 views
Hi i forgot how to do this please help!Find the t-value such that the area left of the t-value is 0.1 with 21 degrees of
1. 0 answers
2. 340 views
Determine the sample size required to estimate the mean score on a standardized test within 44 points of the true mean with
1. 0 answers
2. 567 views
In a college student poll, it is of interest to estimate the proportion p of students in favor of changing from a
1. 0 answers
2. 645 views
Hello please help..The owner of a computer repair shop has determined that their daily revenue has mean $7200 and standard
1. 1 answer
2. 971 views
A simple random sample of size n equals=3737 is obtained from a population with μ equals=6969 and σ equals=1515.(a) What
1. 0 answers
2. 509 views
(7.5x10^3) ÷ (1.5x10^4)
1. 1 answer
2. 562 views
what volume of 0.5m BaCl 2 is needed to have 0.1 moles of BaCl 2 ?
1. 1 answer
2. 439 views
The boy whose mother died isaround.What is the grammatical name and function.
1. 1 answer
2. 555 views
Which theory might explain why people claim immigrants for the countries troubles even though there’s no evidence for this
1. 1 answer
2. 375 views
Suppose the force of kinetic friction on a sliding block of mass m is 2.5 N [backward]. What is the force of kinetic friction on
1. 1 answer
2. 635 views
A tractor and tow truck have rubber tires onwet concrete. The tow truck drags the tractor at constant velocity while its brakes
1. 0 answers
2. 810 views
To minimize the cost of producing a given quantity of output, the input bundle must be chosen so that the marginal products of
1. 0 answers
2. 520 views
liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 7.8 g of hexane is
1. 1 answer
2. 1,158 views
Solve the system by graphing. (Enter your answers as a comma-separated list. If the system is inconsistent, enter INCONSISTENT.
1. 2 answers
2. 1,028 views
A football is kicked at an angle of 45° to the horizontal over a defence line up with a velocity of 15m/s. Calculate the
1. 2 answers
2. 1,599 views
help please!! write an equation of a parabola with vertex at the origin and the given focusfocus at (2,6)??? Please help im
1. 3 answers
2. 479 views
Consider the the distribution of under-inflated tires on a four-wheel automobile. The massdensity is given by: p(0) = 0.4, p(1)
1. 0 answers
2. 487 views
The dimerization of butadiene is a second order reaction process. In an experiment a sample of 0.0087 mol of butadiene was
1. 0 answers
2. 737 views
What happened to airplane manufacturing after World War II?1 Airplane manufacturers began producing goods for the oil industry.
1. 26 answers
2. 6,325 views
How were prisoner of war camps different from internment camps?1 Prisoner of war camps held fewer people than internment camps.
1. 6 answers
2. 1,219 views
Egg-laying land animals have evolved to produce eggs with tough shells to ensure that1 external fertilization can take place. 2
1. 12 answers
2. 3,601 views
A man with a genetic disease marries a woman who does not carry the disease. It is not possible for their sons to have the
1. 15 answers
2. 4,686 views
X-linked dominantY-linked dominant X-linked recessive Y-linked recessive
1. 2 answers
2. 490 views
how did the decade of prosperity affect the lives of many Mexican-Americans in TexasThey became wealthier They became migrant
1. 7 answers
2. 1,323 views
What factors contributed to the implementation of the welfare system in the United States during the 20th century?
1. 0 answers
2. 1,327 views
what efforts did james hogg make to fix the corporate world in Texas?1 allowed railroads to choose the path of the rail lines 2
1. 34 answers
2. 5,568 views
Which of the following sentences demonstrates proper subject-verb agreement?
1. 0 answers
2. 1,084 views
I am given a vector function <2cos(t) + cos(2t), 2sin(t) + sin(2t), 0>(in other words) : (2cos(t) + cos(2t))i + (2sin(t) +
1. 2 answers
2. 645 views
Compute the area of the parallelogram formed by A(-2, 1, 4), B(0, -2, 3) C(-1, 6, 5), and D(1, 3, 4).So for this problem, do I
1. 2 answers
2. 726 views
Was wondering, anyone here know discrete math? Specifically regarding to rules of inferences?
1. 1 answer
2. 533 views
Given the equation x + z = 2.Is P parallel to any of the coordinate planes? Is P perpendicular to any of the coordinate planes?
1. 3 answers
2. 458 views
If two cars started out at the same spot and traveled in opposite directions for 90 minutes at 60miles per hour -far apart in
1. 1 answer
2. 578 views
I am trying to prepare for my finals and I'm approached with this question where I'm not entirely clear what the answer should
1. 1 answer
2. 524 views
I'm given the equation S = L(1 - e^(-kt))I am asked to write S as a function of t when L = 100, S = 25 when t = 2 So would my
1. 1 answer
2. 465 views
The rate of change in the number of miles s of road cleared per hour by a snowplow is inversely proportional to the depth h of
1. 3 answers
2. 2,204 views
Some of the curves corresponding to different values of C in the general solution of the differential equation are shown in the
1. 1 answer
2. 1,275 views
Take the area enclosed by the curves y = sqrt(x), y = 1, and x = 4. Rotate it around the line x = 5. Find the volume.While I
1. 2 answers
2. 845 views
Since sec^2θ - 1 = tan^2θI know this is trivial, but I want to make sure I'm doing this right before I apply it to the
1. 3 answers
2. 568 views
I'm having trouble trying to solve for the partial fraction decomposition in order to find the integral.∫ x / (x^4 - a^4) dx
1. 2 answers
2. 568 views
I am trying to understand my teacher's example of a Work problem.Cut to the chase here's a picture of the problem:
1. 2 answers
2. 670 views
I am supposed to find the area of the region given two boundaries and two functions revolving about the x axis.x = 0 x = pi/2 y
1. 1 answer
2. 537 views
Find ∫1/((x^2+5)^(3/2)) dxI figured this would be a trig substitution problem, so I set x = sqrt(5)tanθ and dx =
1. 3 answers
2. 604 views
I would like to solve the ∫sin^2(pix) dxUsing the given substitution identity: sin^2(x) = (1/2)(1-cos2x) This is what I did so
1. 2 answers
2. 703 views
∫sin(x)cos(x) dxUsing the identity sin(2x) = 2 sin(x) cos(x)?
1. 1 answer
2. 422 views
I am given an integral to solve with given substitution values. I got an answer, but I'm not quite sure if it's correct as an
1. 1 answer
2. 463 views
Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural length. Find the work required
1. 1 answer
2. 4,123 views
Consider the graph of y^2 = x(4-x)^2 (see link). Find the volumes of the solids that are generated when the loop of this graph
1. 3 answers
2. 1,126 views
∫ (2x-1)^2 dx could have two answers:a) ((2x-1)^3)/6 + C b) 4/3x^3 - 2x^2 + x + C Now the question is, how are the two answers
1. 1 answer
2. 624 views
I am given two integrals a and ba) ∫ 1/(1 + x^4) dx b) ∫ x/(1 + x^4) dx The main difference between the two integrals
1. 4 answers
2. 590 views
Find the indefinite integral in two ways.∫(2x-1)^2 dx The first way I used was using the power rule and chain rule with
1. 1 answer
2. 632 views
how much energy is released during the reaction of 2.5l diboron hexahydride with 5.65l chlorine gas?
1. 1 answer
2. 1,135 views
The area A between the graph of the function:g(t) = 4 - (4/t^2) and the t-axis over the interval [1, x] is: A(x) = ∫[1, x] (4
1. 1 answer
2. 1,228 views
Sketch the region given by the definite integral. Use geometric shapes and formulas to evaluate the integral (a > 0, r > 0).r
1. 2 answers
2. 1,329 views
Evaluate the integral using the following values.8 ∫ x^3 dx = 1020 2 8 ∫ x dx = 30 2 8 ∫ dx = 6 2 2 ∫ x^3 dx = ? 2
1. 2 answers
2. 4,946 views
Here is the link to the graph of f' in question:bit.ly/2oml70V I have a hard time trying to answer these kinds of questions when
1. 2 answers
2. 833 views
In order to predict y-values using the equation of a regression line, what must be true about the correlation coefficient of the
1. 3 answers
2. 4,748 views
At what point does the terminal side of the angle (5\pi )/(6) in standard position intersect the unit circle?
1. 1 answer
2. 838 views
The population of bacteria in a petri dish doubles every 12 h. The population of the bacteria is initially 500 organisms.How
1. 2 answers
2. 4,955 views
How would I identify a set of coordinates (x, y, z) to be in which octant in a 3d space? Is it just based on the x-value?
1. 2 answers
2. 360 views
When constructing a graph showing the population of two countries, an illustrator draws two different people with heights
1. 4 answers
2. 1,552 views
What is the difference between class limits and class boundaries?A) Class limits are the numbers that separate classes without
1. 1 answer
2. 11,911 views
Just giving this a shot,Which of the following statements about RAM are TRUE? Select all that apply. a) Any part of RAM can be
1. 3 answers
2. 1,185 views
If the average atomic mass of Br is 79.90 amu, what is the percent abundance of each of its isotopes?How would we figure out the
1. 0 answers
2. 667 views
A company introduces a new product for which the number of units sold Ss given by the equation below, where t is the time in
1. 2 answers
2. 820 views
A rectangular fenced enclosure of area 225 square feet is divided half into 2 smaller rectangles.What is the minimum total
1. 4 answers
2. 635 views
A 13ft ladder slides down a wall at 2ft/sec when it is 12 ft above the ground. Find the rate at which the angle it makes with
1. 4 answers
2. 474 views
Consider the endothermic reaction2 NO(g) <-> N2(g) + O2(g) -If I decrease the volume of the vessel and increasing the total
1. 1 answer
2. 860 views
Hi there, maybe dumb question but how would I find the initial concentration of Fe^3+??In lab, we mixed these reactants into one
1. 0 answers
2. 522 views
On level ground, a 60-foot-tall vertical building casts a 10-foot shadow. at the same time, another vertical building casts a
1. 3 answers
2. 1,871 views
An object of mass 5 kg weighs 30 N on planet Z. The acceleration due to gravity on planet z is?a) 30 m/s^2 b) 10 m/s^2 c) 6
1. 1 answer
2. 536 views
It takes 5 seconds for a stone to fall to the bottom of a mine shaft. How deep is the shaft?
1. 1 answer
2. 1,759 views
So there's this prelab assignment we're supposed to complete where we would fill out this table with [FeSCN^2+] in each of the
1. 1 answer
2. 604 views
Calculate how to prepare 100.0mL of a 1.25x10^-4 M aqueous solution of Fe(NO3)3(aq) by dilution of stock of 0.0025M Fe(NO3)3(aq)
1. 1 answer
2. 837 views
A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the
1. 1 answer
2. 762 views
A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the
1. 2 answers
2. 808 views
A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder must have a volume of 4000 cubic feet.
1. 1 answer
2. 677 views
A company introduces a new product for which the number of units sold S is given by the equation below, where t is the time in
1. 2 answers
2. 4,997 views
Consider the graph of the function f(x)=x^2-x-12a) Find the equation of the secant line joining the points (-2,-6) and (4,0). I
1. 2 answers
2. 3,804 views
Use differentials to approximate the value of the expression.cube root of 25 I set x=27 and dx=-2 and got ~3.0741, what did I do
1. 2 answers
2. 3,137 views
Consider the implicit equation 2xy-1=(x+y+1)^2a) Compute and solve for the derivative dy/dx as a function of x and y. b) Find
1. 5 answers
2. 744 views
Given the graph,goo.gl/photos/VTMjKvNsVvAQwe3X6 a) What is the slope of the tangent line to the graph of f^-1 at the point
1. 2 answers
2. 528 views
If 1.00 kg of methane (CH4) is burned completely (in excess O2) and the CO2 produced is collected at 20°C and 1.00 atm, what
1. 0 answers
2. 559 views
What are factors that will contribute to achieving the lowest mass/volume ratio possible for an airbag? The "mass" includes the
1. 0 answers
2. 472 views
The radius of a spherical balloon is measured as 8 inches, with a possible error of 0.02inch.a) Use differentials to approximate
1. 1 answer
2. 2,117 views
I'm doing a titration lab and writing a lab report where I'm sort of stuck on how exactly to find the concentration of HCl.
1. 3 answers
2. 1,156 views
Assume that x and y are both differentiable functions of t and the required values of dy/dt and dx/dtxy=6 a) Find dy/dt, given
1. 3 answers
2. 2,016 views
How would I find the moles of NaOH solution that was used to titrate?I have 20.01mL of HCl used and 15.95mL of NaOH solution was
1. 1 answer
2. 604 views
What would the effect on your molarity of NaOH be if you had added 35 mL of water to dissolve the KHP (acid) instead of 25 mL?
1. 5 answers
2. 3,605 views
I'm trying to rewrite3x^2*e^-x*tan(4-x) Can I rewrite it as 3x^2*tan(4-x)/e^x ?
1. 1 answer
2. 322 views
Just a quick algebra question, if I had(e^x)/(x^3+x^-3) could I rewrite it as : (e^x)+(x^3)/(x^3) ?? (flipped the negative
1. 1 answer
2. 475 views
A 25.00 mL aliquot of HCl of unknown concentration is titrated with 25.62 mL of 0.1011 M NaOH. What is the molarity of the HCl
1. 0 answers
2. 661 views
1. Which of the above functions are not continuous where they are defined? Why?2. Which of the above functions are not
1. 1 answer
2. 638 views
goo.gl/photos/2RPU1dAWoKzUn4Pf81. Which of the above functions are not continuous where they are defined? Why? 2. Which of the
1. 1 answer
2. 654 views
Find derivative of f(x)=g(h(x))Would the derivative be something like: g'(h(x))*h'(x) ??
1. 1 answer
2. 378 views

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