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La familia Gutierrez tiene dos hijos. Ramón tiene 15 años. Es el hijo mayor. Su cumpleaños es el veinte de agosto. Rogelio
1. 2 answers
2. 756 views
A bouncy ball bounces 16m on its first bounce and then 8m on the second bounce. Each time it bounces the height halves. How high
1. 1 answer
2. 602 views
lim 1/(1+h)^2-1/hh->0 I have 1 as my final answer and was wondering if i was correct
1. 1 answer
2. 1,106 views
lim e^(1+h)-e/hh->0
1. 0 answers
2. 341 views
How much ice is required to cool a 15.0oz drink from 71 F to 34 F, if the heat capacity of the drink is 4.18 J/g*C ? (Assume
1. 3 answers
2. 1,170 views
Please compare and contrast the electrochemical events involved in the initiation and propagation of an action potential with
1. 1 answer
2. 483 views
A circular plate of radius r feet is submerged vertically in a tank of fluid that weighs w pounds per cubic foot. The center of
1. 0 answers
2. 734 views
I am stuck on several probability questions.A spinner that has 15 equal sized sections numbered 1 to 15 is spun twice. What is
1. 2 answers
2. 2,418 views
If 1.00 mole of BrCl is introduced into a 500.0 ml flask, what are the concentrations of Br2, Cl2 and BrCl at equailbrium
1. 1 answer
2. 852 views
A tobacco company claims that the nicotine content of its "light" cigarettes has a mean of milligrams and a standard deviation
1. 0 answers
2. 479 views
A tobacco company claims that the nicotine content of its "light" cigarettes has a mean of milligrams and a standard deviation
1. 1 answer
2. 1,266 views
Lead(II) oxide from an ore can be reduced to elemental lead by heating in a furnace with carbon.PbO(s) + C(s)= Pb(l) + CO(g)
1. 2 answers
2. 1,030 views
An experiment that led to the formation of the new field of organic chemistry involved the synthesis of urea, CN2H4O, by the
1. 1 answer
2. 1,135 views
It is calculated that 0.0191 moles of CO2 are expected from a reaction at 25 degrees C and 1 atm. What volume of CO2 does this
1. 1 answer
2. 1,206 views
HOW CAN I SOLVE THE INEQUALITY GRAPHICALLY 3X^2 + 10X - 8 > 0Any help would be appreciated
1. 1 answer
2. 487 views
A long jumper leaves the ground at an angleof 24.3◦ to the horizontal and at a speed of 10.6 m/s. How far does he jump?
1. 0 answers
2. 630 views
Why does crotyl chloride react faster than 1-chlorobutane in ethanol, since both are primary alkyl halides?
1. 1 answer
2. 1,228 views
You set out to design a car that uses the energy stored in a flywheel consisting of a uniform 97-kg cylinder of radius R that
1. 0 answers
2. 501 views
Draw a flowchart for a program that reads a date in an 8-digit sequence (month, day, year) and determines if the date is a valid
1. 1 answer
2. 729 views
DES and AES are both “turn the handle” algorithms, in that they use repetition of some number of very similar cycles. What
1. 0 answers
2. 523 views
Julie is solving the equation x2 + 6x + 9 = 0 and notices that the discriminant b2 - 4ac has a value of 0. This tells her that
1. 1 answer
2. 752 views
The total length y is a linear function of the tail length x with great accuracy. The domain is the interval from 30mm to 200mm,
1. 1 answer
2. 1,090 views
two blocks of masses m1 and m2 (m1>m2) are placed on a frictionless table in contact with each other. A horizontal force of
1. 1 answer
2. 2,753 views
Given F(2)=1,F'(2)=5,F(4)=3,F'(4)=7 and G(4)=2,G'(4)=6,G(3)=4,G'(3)=8, find:a)H(4)if H(x)= F(G(x)) b)H'(4)if H(x)= F(G(x))
1. 2 answers
2. 379 views
Find the derivative of y=15x^7+7^x+22
1. 2 answers
2. 413 views
How do you make this trueUsing 48, 6, 2, and 5 =18 by using (+, -, x, or /)
1. 2 answers
2. 287 views
If someone could help me, I am truly desperate here. I am struggle with this problem.– Simple Linear Regression Applications
1. 0 answers
2. 482 views
A 34.05 gram liquid sample of an unstable compound is deposited in a metal piston assembly that has a cylinder with a diameter
1. 0 answers
2. 732 views
2x^2 + 5x - 8 = 0Solve the quadratic equation by completing the square.
1. 0 answers
2. 483 views
2x^2 + 5x - 8 = 0Solve the quadratic equation by completing the square.
1. 1 answer
2. 1,289 views
Ally loves the beach and decides to spend the summer selling various ice cream products on the beach. From her account course,
1. 0 answers
2. 518 views
Rays PQ and QR are perpindicular. Point S lies i the interior of angle PQR. If the measure of the angle SQR=4+7a and the measure
1. 2 answers
2. 972 views
A major-league pitcher can throw a baseball in excess of 46.6 m/s. If a ball is thrown horizontally at this speed, how much will
1. 1 answer
2. 541 views
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a
1. 1 answer
2. 981 views
A skateboarder shoots off a ramp with a velocity of 6.8 m/s, directed at an angle of 56° above the horizontal. The end of the
1. 1 answer
2. 793 views
Starting with the kinematics equation x = vot + ½ at^2, derive an expresion relating the acceleration and initial velocity of
1. 0 answers
2. 607 views
If a bow with a draw weight of 60 kilograms were to fire at someone 5 meters away but the user had to roll first before drawing
1. 0 answers
2. 517 views
A ball is thrown vertically upwards in the air at a velocity of 50(m/s) and reaches a maximum height of 20(m). Calculate the
1. 1 answer
2. 1,097 views
Please help me with my physics homework I've been given a week and can't for the life of me work out how it is done.Tom has a
1. 1 answer
2. 469 views
What mass of chromium II chlroide (CrCl2) is dissolved in 150.0mL of solution to prepare .250M solution?Please Help
1. 3 answers
2. 530 views
Writeacher, I need you help to rephrase and answer a question on the use of children in advertising.1) I need to rephrase this:
1. 1 answer
2. 534 views
Writeacher,could you please check if all these sentences are possible?1) I’m sure he didn’t rob the bank. He can't have
1. 1 answer
2. 445 views
Could you please check these sentences, Writeacher? Thank you.1) A job seeker should make a short list of the job's requirements
1. 1 answer
2. 660 views
I left out these sentences. I hope you can have a look at them,too.Can you tell me if the modals are possible, Writeacher? 1)
1. 0 answers
2. 899 views
I urgenlty need you to check these sentences, please.Thank you.1) A job seeker should make a short list of the job's
1. 0 answers
2. 802 views
Could you please help me express the following evaluations? Thank you.1) You wrote exactly what I included on the photocopy
1. 1 answer
2. 734 views
Can you please have a look at these sentences, please?1) This information about the Augustan Age was not asked for in your test.
1. 1 answer
2. 514 views
Could you please check these sentences?Thank you,Writeacher. 1) In the first part if the novel she writes letters to her parents
1. 1 answer
2. 439 views
simplify cot(x+π)
1. 1 answer
2. 352 views
how many solutions are there tocsc^2x=25 (0≤x<2π)
1. 1 answer
2. 1,047 views
Focus of the ellipse9x^2+2y^2=36
1. 1 answer
2. 323 views
I am given the graph of y=f(x) and I am asked to sketch the graph of y=-2f(-x). How do I move and/or rotate the given graph?
1. 1 answer
2. 492 views
describe the difference between the poor and wealthy citizens of rome.
1. 3 answers
2. 617 views
describe the difference between the poor and wealthy citizens of Rome.
1. 0 answers
2. 411 views
Through a mix up on the production line, 5 defective light bulbs were shipped out with 32 good ones. If 4 are selected at
1. 1 answer
2. 524 views
The manager of a large apartment complex knows from experience that 90 units will be occupied if the rent is 360 dollars per
1. 1 answer
2. 1,147 views
what is g(f(x))? and f(g(x))?if f(x)=(1)/(sqaure root3x) and g(x)=x^2-5 Thanks!
1. 1 answer
2. 922 views
How much volume(mL)of 2.50 M NaOH(aq)must be added to 25.0 mL of water to produce a 1.50 M NaOH solution?Thanks!
1. 1 answer
2. 486 views
ln(8x+3)=ln11
1. 1 answer
2. 324 views
FM radio signals are electromagnetic waves transmitted between frequencies of 88 MHz and 107 MHz. Find the range of wavelengths
1. 2 answers
2. 498 views
Service time, T, at an auto center has a Weibull distribution with parameters θ=3.7 and β=1.35. What is the probability that
1. 0 answers
2. 617 views
Any practice online for ACT, PSAE or sample questions.PleaseTo much stress.
1. 2 answers
2. 448 views
A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim
1. 1 answer
2. 1,188 views
Explain what does Robert.e.Lee says to his son in letter.
1. 1 answer
2. 413 views
Explain what does Robert.e.Lee says to his son in letter.
1. 1 answer
2. 401 views
Consider a random sample of 37 students, and consider the number who graduate in six years. . Find the probability that 20
1. 1 answer
2. 517 views
4. A,B and C are points on a horizontal plane.A is 75 m from C on a bearing of 210 degrees and the bearing of B from C is 120
1. 0 answers
2. 918 views
If the coefficient of kinetic friction between tires and dry pavement is 0.800, what is the shortest distance in which an
1. 1 answer
2. 806 views
2^(3x+1)=2^)2/x) I don't know what to do here to get both of the xs
1. 1 answer
2. 352 views
Can someone explain to me how to solve complex fractions as if I didn't know anything about Algebra? I really need the help,
1. 2 answers
2. 1,176 views
Find dy/dx for (e^xy)+ x^2 +y^2=10
1. 1 answer
2. 347 views
Find the inflection points of f(x)=(x^2-6x-5)e^x
1. 0 answers
2. 370 views
Integrate from e^2 to e of tthis funtion: 1/(x)ln(x) dx
1. 0 answers
2. 407 views
Find integral of (x^3-6x-20)/(x+5) dx
1. 0 answers
2. 537 views
Find the relative extrema of f(x)= x/ln(x)
1. 0 answers
2. 462 views
The rate at which iPads are sold is R(t)=1000000x2.8^t where the units of R(t) are millions/year and represents time in years
1. 0 answers
2. 517 views
The sum of two numbers is 10.The sum of their squares is 52.Find the numbers.
1. 1 answer
2. 4,997 views
Evaluate the given indefinite integrals.∫ (x+2)(2x+3)^1/2
1. 1 answer
2. 483 views
How do you solve 2(15a-3)=10a-46
1. 1 answer
2. 399 views
Determine the units of viscosity,m, in the following equation:t=m(du/dy), where t is a shear stress, u a velocity, and y is a
1. 4 answers
2. 589 views
A court has ordered Security Enterprises to pay 200000 in two years and 500000 in five years. In order to meet this important
1. 1 answer
2. 1,124 views
Find the equation of the diameter of the circle x^2+y^2-6x+2y=15, which, when produced, passes through the point (8,-2).
1. 2 answers
2. 484 views
x^3+a^3Factor= (x-a) what is the remaninder when you divide x^3+a^3 by (x-a)? Please show me your working out
1. 1 answer
2. 441 views
The hero pursues the villain up to the top of a bungee jumping apparatus. The villain appears trapped but to create a diversion
1. 1 answer
2. 669 views
Find the x-intecepts, for the graph of the equation:y=x^2+4x-5
1. 1 answer
2. 411 views
Suppose $1.00 amounts to 1.082431 at 8 % compounded quarterly. How much does$200 amount to? (a) $ 126.82 (b) $ 101.46 (c) $
1. 1 answer
2. 394 views
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure.C2H4(g) + H2O(g)
1. 1 answer
2. 1,268 views
Once a 15 kg crate is in motion on a horizontal ﬂoor, a horizontal force of 51 N keeps the crate moving with a constant
1. 5 answers
2. 6,604 views
Could you please explain to me:how was the structure (Collosus of Rhodes) effective for it's stated purpose? I don't understand
1. 3 answers
2. 1,327 views
The Earth's rate of rotation is constantly decreasing, causing the day to increase in duration. In the year 2006 the Earth took
1. 1 answer
2. 2,886 views
Colossus of Rhodes:Was the structure effective for its' stated purpose?
1. 1 answer
2. 585 views
A computer game starts with a set of 144 tiles separated into 36 equal groups.Sara played the game until there were 8 groups of
1. 3 answers
2. 490 views
A computer game starts with a set of 144 tiles separated into 36 equal groups.Sara played the game until there were 8 groups of
1. 3 answers
2. 901 views
equation of tangent line of the function sqrt (3x+5) where x=10
1. 3 answers
2. 505 views
A trough is 16 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1
1. 1 answer
2. 1,466 views
I Don't Know What Is This Subject Called In English But It's About Complex Numbersit says 25 = 16 - 9 i^2 = (4 ± 3i) But My
1. 1 answer
2. 581 views
If f(x)=[x−1/(1+5 x)], there are two points on the graph ofy=f(x) at which the tangent lines are parallel to the line
1. 2 answers
2. 535 views
is 0 a multiple of every number?
1. 2 answers
2. 325 views
what is the sequence for fibbinachi higher than 1,000,000?
1. 1 answer
2. 333 views
1. Molarity is to moles of solute over liters of solution as molalityis to A. molar concentration over molal concentration. B.
1. 1 answer
2. 1,006 views

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