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Thomas
Questions and answers by visitors named
Thomas
, page 3
Questions (357)
(a) At a certain instant, a particle-like object is acted on by a force F=(2.9N)i-(1.7N)j+(5.7N)k while the object's velocity is
3 answers
2,127 views
A 0.60 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 430 N/m) whose
3 answers
563 views
Find the exact value of:
Cos(inverse tan 4/3 + inverse cos 5/13)
2 answers
583 views
A large cylinrical tankor radius 40cm contins a liquid and at time,t the depth is h cm. There is a hole in the bottom and liuid
1 answer
398 views
When a is divided by 7,the remainder is 4.When b is divided by 3,the remainder is 2.If 0<a<24 and 2<b<8, which of the following
4 answers
1,311 views
43. A phone company charges 10 cents per minute for the first 3 minutes of a call, and 10-cents for each minute thereafter.What
10 answers
2,623 views
If the thickness of the probe in the direction of B is 1.97 mm, calculate the charge-carrier density (each of charge e).
1 answer
431 views
Two boat landings are 8.0 km apart on the same bank of a stream that flows at 2.8 km/h. A motorboat makes the round trip between
1 answer
456 views
Advertisers contract with Internet service providers and search engines to place ads on websites. They pay a fee based on the
1 answer
1,084 views
When reading some schematics of a rectangular garden you see the binomial x +8 feet represents the length and the binomial x - 1
3 answers
1,037 views
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Each ball has the
1 answer
655 views
Find the coordinates of the point at 180 degrees on a circle of radius 3.4 centered at the origin.
Round your answers to three
4 answers
1,584 views
A gardener pushes a mower at a distance of 900 m while mowing the yard. The handle of the mower makes an angle of 40.0 with the
1 answer
640 views
Use the formula d = 1.22�ãx to estimate how many miles a 5-foot-tall person can see standing on the deck of a ship that is 50
1 answer
467 views
Measuring the speed of light through gelatin using a laser
1 answer
998 views
A rock is thrown directly upward from the edge of the roof of a building that is 35.3 meters tall. The rock misses the building
4 answers
1,757 views
Find the area of the region bounded by the curves y2 = x, y – 4 = x, y = –2, and y = 1.
So far I have found that the area of
1 answer
430 views
Remember that f(x) must be one-to-one (only one y-value for each x-value) over the domain where f –1(x)is defined as a
5 answers
1,761 views
For the function f(x) = x^2 - 4x +5, x>= 2, which is equal to d/dx (f-1 this is the inverse)(x)) ?
1/(2y-4) where x and y are
5 answers
3,658 views
For the function f(x) = sqrt(9-x), which is equal to d/dx(f-1( -1 is the inverse)(x))
a) -2x b) sqrt(x) + 9 c) x^2 + 9 d) 2x e)
7 answers
3,059 views
Suppose f(x) = 4x^5-(1/x^4)
Find the slope of the tangent line to the graph of y = f^–1(x) at (3, 1). You get: 1/24 1/16 00062
5 answers
2,711 views
Suppose that y=f(x) = sqrt(2x), x>=0
Find a c > 0 such that the tangent line to the curve y = f(x) at x = c has the same slope as
5 answers
3,372 views
A 1100- kg car collides with a 1400- kg car that was initially at rest at the origin of an x-y coordinate system. After the
3 answers
579 views
4. A typical car engine produces 44,000 kJ of heat in an hour. The cooling system has a capacity of 8.40 L and is filled with a
4 answers
2,155 views
Check my work & answer please. I need to make sure I am able to do this type of problem correctly.
A typical car engine produces
3 answers
1,442 views
Q1.With the aid of a diagram discuss the marketing systems
Q2.Discuss the problems that occur when universities and industry form
5 answers
518 views
Which one of the following actions would make the maxima in the interference pattern from a grating move closer together?
A.Incre
1 answer
861 views
A snowball is melting at the rate of 2 inches per hour. How fast is the surface area of the snowball changing at the instant the
4 answers
4,273 views
A bag contains 5 red, 7 yellow, 8 green, and 3 blue markers. What is the p(two green markers) will be chosen if the markers are
3 answers
730 views
Problem 10-32 Project Evaluation [LO1]
Aria Acoustics, Inc. (AAI), projects unit sales for a new seven-octave voice emulation
2 answers
975 views
How can x-8 be modeled by being described as a situation?
Answer:8x
3 answers
390 views
a farmer fences off a small.rectangular plot of land thay is 60 feet by 100 feet. within that area, a garden is planted and
2 answers
479 views
A train leaves San Diego at 1:00 PM. A second train leaves the same city in the same direction at 4:00 PM. The second train
3 answers
1,534 views
A ball with a mass of 4 kg and a velocity of 10 m/s strikes an 8kg ball that is initially at rest. If the collision is perfectly
1 answer
487 views
A police car siren emits a sound wave with a frequency fs = 400 Hz and it is moving toward the wall at 25 /m/s. What frequency
4 answers
1,458 views
Pure helium is closed into cylinder with a movable piston. The initial volume, pressure, and temperature of the gas are 15 dm3,
2 answers
580 views
You are standing 5 feet from one speaker and 14 feet from another. Both speakers are producing the same sound. If the combined
2 answers
667 views
How does Hamlet show his Heroism?
1 answer
348 views
All students in Peter's class have $1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different
1 answer
796 views
All students in Peter's class have $1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different
22 answers
4,007 views
Nonverbal communication includes
A.posture B.clapping C.eye contact D.all of the above
4 answers
586 views
Three-dimensional tic-tac-toe can be played on three arrays of 3x3 lattice points. To win, three points in a line must be
10 answers
2,854 views
Tom used 5/8 yard of ribbon to tie weights on the tail of his kite. He cut the length of ribbon in equal pieces that were 1/12
4 answers
1,673 views
A typical candy bar contains 300 kilo-calories of energy. if all the energy released by eating the candy bar could be used to do
2 answers
822 views
Please help!!
x^2+y^2+6y+5=0 x^2+y^2-2x-8=0
3 answers
259 views
A steel factory wishes to make a cylindrical container, of thin metal, to hold 100cm³, using the least possible area of metal.
3 answers
671 views
6. The bending moment (M) along a beam is M = WLx/2 -Wx2/2 kNm where x is the distance of a beam length L from the left hand
5 answers
683 views
what metal is it if, it is 7.14g/mL => Cast Iron.
1 answer
367 views
Given that the roots of the equation 3x^2+x+2=0 are a and b, show that 27a^4=11a+10.
3 answers
613 views
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 46.6
2 answers
503 views
A person in a kayak starts paddling, and it accelerates from 0 to 0.614 m/s in a distance of 0.372 m. If the combined mass of
1 answer
430 views
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test,
2 answers
814 views
Two forces and are applied to an object whose mass is 5.75 kg. The larger force is . When both forces point due east, the
2 answers
638 views
An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x
1 answer
458 views
Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to
2 answers
862 views
In a quarter-mile drag race, two cars start simultaneously from rest, and each accelerates at a constant rate until it either
3 answers
1,420 views
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the
1 answer
671 views
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the
2 answers
571 views
IF the LCM of two numbers a and b is 40, what is the LCM of 7a^2 and 7b^2?
3 answers
1,099 views
One of the formulas to find the area of a triangle is a = r*s. Where the r is the radius of the circle inscribed the triangle,
1 answer
406 views
Ann takes 2 hours to wash her car. When her sister helps her, the job takes 5/4 hours. How long does it take Ann's sister to
1 answer
425 views
There are 52 white keys on a piano. The lowest key is A. The keys are designated A, B, C, D, E, F, and G in succession, and then
4 answers
1,101 views
In Alaska Mt.McKinley is 890 meters taller than Mt. Foraker and 1198 meters taller then Mt. Blackburn is 4996 meters. What is
4 answers
664 views
When wrapping a birthday gift in the shape of a rectangular prism for
his mother, Kenji adds an additional 2.5 square feet of
24 answers
5,419 views
A test has 12 problems, and each problem is worth 5 marks. Full marks are given for a correct answer, 2 marks are given if there
9 answers
4,498 views
Why would theorists and policymakers from different regions potentially approach IPE differently from one another?
Any thoughts?
1 answer
450 views
Following the recent census, State A, with a population of 13.5 million, was allocated 23 representatives. State B,
1 answer
358 views
How many squares in the plane have two or more vertices on dots in this 2x3 grid? All dots are an equal distance from their
40 answers
asked by
Thomas
4,392 views
In Mike's English class at university there are 178 students, of whom 51 also study history and 44 also study statistics. There
4 answers
1,066 views
What is the area of a triangle 4.5,4, and 3.
1 answer
291 views
Why do earthquakes appear near the San Andreas Fault?
2 answers
566 views
A single sphere of water is created by joining 1000 of water spheres of radius r and charge (+Q).If the potential of the small
4 answers
571 views
We are asked to write the three products of the reaction between CH3COOH and NaHCO3(given one is a gas)
They would be,
3 answers
735 views
What is basic like NaOH,from the following?
1)CH3NH2 2)(CH3)2NH 3)(CH3)3N 4)[N(CH3)4]^-(OH^-) 5) 2,4,6-aniline What is the
1 answer
463 views
A spinner turns 7077 degrees. The spinner would have ended up at the same spot if it had turned only what degree?
A) 77 B) 2197
4 answers
2,128 views
What would (4sqrt(3)-2sqrt(5) be multiplied by to get a product of (4sqrt(3))^3 - (2sqrt(5))^3?
1 answer
482 views
Rationalize the denominator of (3 * cube root of 12 - 8) / (cube root of 9 - cube root of 6).
Please show steps and the full
3 answers
536 views
Which statement justified the given ordered pair as a solution to the system of equations
(-1, -13), (y=3x-10), (y=-2x-15)
1 answer
441 views
How would "In a Station of the Metro" change if the bough was bright and lively rather than wet and black?
3 answers
1,920 views
A spider has eight legs in all. If a boy in a class three was asked by his elder brother to count the total number of legs of
1 answer
438 views
Jose owns 40 shares of stock A whose price increased by $0.75 per share. He also owns 100 shares of stock B whose price
2 answers
507 views
What are blanks in fishing?
1 answer
58 views
Find The Area Bounded by the given curves. How would I set this up to solve?
x=2, x=5, y=1/x, y=1/x^2
3 answers
399 views
In Uncle Tom's Cabin, (the book) did blacks have a racial caste system? Please explain.
3 answers
724 views
Hello, I am needing help to find the general solution to:
dy/dt + y = te' Thanks!
1 answer
369 views
Please check for any grammar mistakes in the questions below. Let me know if you have any questions yourself? Thank you.
1. ¿Por
1 answer
497 views
Calculate the molarity of a solution that contains 0.175 mol ZnCl2 in exactly 100 mL of solution.
2 answers
555 views
Using the activity series (Table 4.5), write balanced chemical equations for the following reactions. If no reaction occurs,
4 answers
2,082 views
What is the net ionic equation for HBr(aq)+Ca(OH)2(aq)→?
3 answers
2,160 views
Complete and balance the following molecular equation.
Cu(OH)2(s)+HClO4(aq)→ And write the net ionic equation for it.
4 answers
4,878 views
Complete and balance the following molecular equation.
Al(OH)3(s)+HNO3(aq)→ And write the net ionic equation for it.
2 answers
1,226 views
Solve the equation. (Find all solutions of the equation in the interval [0, 2π). Enter your answers as a comma-separated list.)
4 answers
2,751 views
Find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.)
sin(x + π) − sin
4 answers
999 views
Find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.)
cos(x+3pi/4) -
4 answers
3,257 views
Find all solutions of the equation in the interval [0, 2π).
cos(x + 9π) − cos x + 1 = 0
2 answers
1,132 views
This was a bit much to type out, so I took a snip of it.
drive.google.com/file/d/1_D2_pTmxGqe_rcRvrLb6ppoLypjpqtyS/view?usp=shari
1 answer
459 views
This was a bit much to type out, so I took a snip of it.
drive.google.com/file/d/1AUtOTEvfSw-cvv5_tCm9hk1NsADr0vZP/view?usp=shari
1 answer
380 views
Determine the proceeds of a promissory note for $3,600 with interest at 6% p.a. compounded quarterly, issued September 1, 2008,
2 answers
1,104 views
Convert the rectangular equation to polar form. Assume
a > 0. x^2 + y^2 - 9ax=0
2 answers
1,145 views
Convert the polar equation to rectangular form.
θ = 4π/3
2 answers
1,120 views
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