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dave

Questions (214)

If end A of the rope moves downward with a speed if 5 m/s, determine the speed of cylinder b
1. 1 answer
2. 1,927 views
8 1/4 "tall 20 1/4" wide @ bottom what is angle?
1. 0 answers
2. 304 views
Which of the following sentences contains a verb in the simple past tense?A. I was working overtime for about six months. B. We
1. 7 answers
2. 727 views
a .65 kg ball is attached to the end of a string. it is swung in a vertical circle with a radius of .50 m. at the top of the
1. 2 answers
2. 1,366 views
A 64.2-kg skier coasts up a snow-covered hill that makes an angle of 23.8° with the horizontal. The initial speed of the skier
1. 2 answers
2. 1,536 views
hi, reading over momentum notes and i just want to clarify a few things.if i had a system containing a cart that was moving
1. 0 answers
2. 1,206 views
Pleaseee help explain how to draw the free body diagrams for this problem!!!Two blocks with masses m1 = 10.9 kg and m2 = 79.3
1. 1 answer
2. 657 views
MS Word Quiz."Browse Headings" in the Nav Pane organizes your document into a .... Answer a. heirarchy b. picture c. print
1. 1 answer
2. 421 views
can u help me with this rhyme?small parts of wild plants it's dealing with possessive nouns
1. 1 answer
2. 525 views
A figure skater is warming up on the rink. She does a lap of a 100m rink. She completes the laps in 3 minutes. What was her
1. 0 answers
2. 566 views
What is the velocity of a car going east for 50 miles in one hour?my answer. 50 miles/hour (east)?????
1. 0 answers
2. 420 views
A figure skater is warming up on the rink. She does a lap of a 100m rink. She completes the laps in 3 minutes. What was her
1. 1 answer
2. 437 views
Assume a monopolist with the following demand and cost relationships.Q = 400 - 20p TC = 10 + 5q + q2 Calculate the following:
1. 0 answers
2. 612 views
The midpoint of mc is G. If AT = 42 and AG = 2x – 5, what is x?
1. 1 answer
2. 415 views
This man was responsible for the painting of the Sistine Chapel, as he spent 4 years lying on his back atop a scaffold , just a
1. 0 answers
2. 639 views
What transportation vessel and animal are on the family crest of the McDonalds of Scotland ? (Mr. G's ancestors)
1. 2 answers
2. 1,195 views
a 1.75kg pistol lies at rest on an essentially frictionless bench. it accidentally fires and shoots a 25 gram bullet parallel to
1. 0 answers
2. 421 views
what is the equation for the reaction of Cu(NH3)subscript2(SO4) with NaOH?
1. 0 answers
2. 435 views
If a pogo stick was to be reinvented and you were to choose the spring type. What type of spring will generate the most return
1. 1 answer
2. 725 views
please help me with thisone thankssolve the inequality algebraically. Express the solution in interval notation. (x-8)^2/x^2-36
1. 3 answers
2. 736 views
Fish-liver oil is a good source of Vitamin A. When 0.1232 g of fish liver oil is dissolved in 500. mL of solvent, an absorbance
1. 0 answers
2. 635 views
Consider a red flame color produced by excited lithium with a wavelength of 671 nm. What is the mass equivalent of 1 mol of
1. 2 answers
2. 734 views
what would happen if you mixed isopropanol with copper and dranked it
1. 0 answers
2. 401 views
what would happen if you mixed isopropanol with copper
1. 0 answers
2. 314 views
An electron in the n = 5 excited state of a hydrogen atom emits a photon of 1281 nm light. To what energy level does the
1. 4 answers
2. 1,277 views
If a cube has one edge of 2m, what is the surface area of this cube?
1. 1 answer
2. 404 views
The heat of vaporization of a substance is2900 J/g at its boiling point of 313�C. How much of this substance can be vaporized if
1. 1 answer
2. 1,244 views
What is the sum of the measures of the interior angles of an 11-side polygon?
1. 1 answer
2. 462 views
1. Test the Nation on CBC:“Test the Nation” was the biggestsurvey ever conducted to see just how smart Canadians are. In
1. 1 answer
2. 502 views
1. What would you think of a company's ethics if ti changed accounting methods every year?2. What accounting principle would
1. 1 answer
2. 628 views
Calculate the mass of salts needed for constructing a buffer using potassium monobasic phosphate and potassium dibasic phosphate
1. 4 answers
2. 892 views
what are the possible coordinate of the midpoint of the given segment
1. 1 answer
2. 647 views
10,000(1-n/20)=6500please show work
1. 1 answer
2. 287 views
a baseball team buys 15 bats for $405. aluminum bats cost $25 and wooden bats cost $30. how many of each type did they buy?
1. 2 answers
2. 962 views
A marathon race has 522 runners divided into 6 groups. What is a reasonable number of runners in each group?A 112, because 522/6
1. 2 answers
2. 466 views
if the diagonals of quadrilateral ABCD intersect at their midpoints, then the quadrilateral is a parallelogram.Prove that AM MC
1. 2 answers
2. 654 views
really stuck, a 90 kg skier has 140 KJ of total mechanical energy when he is at a height of 120m above the bottom of the hill.
1. 0 answers
2. 537 views
a right circular cylinder has a volume 600cubic cm. if it costs $2 for the material needed to make the top and bottom and $3 for
1. 0 answers
2. 516 views
For which of these elements would the electron affinity process shown be least favorable?1. H + e− ! H− 2. Li + e− ! Li−
1. 1 answer
2. 597 views
The first ionization potential of the elements B, C, and N (atomic numbers 5, 6, and 7) steadily increases, but that of O is
1. 1 answer
2. 2,114 views
For which of these elements would the electron affinity process shown be least favorable?1. H + e− ! H− 2. Li + e− ! Li−
1. 2 answers
2. 653 views
In an atom, the maximum number of electrons having the quantum numbers n=5 and §¤ = 3 is:1. 9. 2. 14. 3. 50. 4. 25. 5. 7.
1. 2 answers
2. 671 views
simplify (e is positive)(24e)^1/3 / (3e)^1/3
1. 1 answer
2. 480 views
Due to a cart's sudden acceleration, a 200g wooden block remains on the front of the cart and does not slide or fall off. The
1. 0 answers
2. 569 views
at on time, the velocity of a rifle bullet was measured using a ballistic pendulum made up of a wooden block suspended from a
1. 1 answer
2. 1,205 views
• Find a peer reviewed article which discusses the effects of optimism on physical and psychological health. • Write a 1400
1. 6 answers
2. 1,077 views
I do not understand a problem from a text book or how to solve the problem for the answer. Could shomeone show me the steps
1. 2 answers
2. 869 views
y-3=1/2(x-6) "finding the value of a variable"x=2 I know the answer is 1, but how do I work the problem to get 1. This problem
1. 2 answers
2. 695 views
what is the probability of a six card hand cantoning no fives?
1. 2 answers
2. 431 views
a group of hockey officials consists of 6 referees and 5 linesmen. the probability that the youngest referee and linesman would
1. 1 answer
2. 401 views
A Ferris wheel has a radius of 15 meters and takes 20 seconds to complete one full revolution. The seat you are riding in, takes
1. 1 answer
2. 895 views
A committee of 2 teachers and 3 students is to be randomly chosen from a group of 5 teacher and 6 students. the total number of
1. 2 answers
2. 2,121 views
the number of ways in which 18 students in Mr. Garr grade 3 class can line up for a photo if the the Armstrong triplets cannot
1. 0 answers
2. 431 views
Ticket SalesLiving in or near a metropolitan area has some advantages. Entertainment opportunities are almost endless in a major
1. 0 answers
2. 627 views
1570536900 x 3966.848485^-2 =
1. 1 answer
2. 287 views
In February 1955, a paratrooper fell 365 m from an airplane without being able to open his chute but happened to land in snow,
1. 1 answer
2. 4,585 views
write each decimal as a fraction or mixed number in simplest form 0.78
1. 1 answer
2. 807 views
What amount would accumulate if you invested $1,000 at the end of each period for 21 periods at 10%?
1. 0 answers
2. 377 views
using the quadratic equation on a 2 dimensional projectile motion problem...i am solving for tf and i have it worked all the way
1. 3 answers
2. 648 views
(Projectile Motion) You are being asked to bombard an enemy fortress that sits on a 40 m tall cliff 100 m from your location.
1. 8 answers
2. 762 views
alright.. this is the linear programming question i got..JJ Manufacturing has three factories (1,2,3) and three distribution
1. 0 answers
2. 791 views
alright.. this is the question i got..JJ Manufacturing has three factories (1,2,3) and three distribution centers (A,B,C).
1. 0 answers
2. 718 views
At what rate must $500 be compounded for it to grow to 1079.46 in 10 years?8 percent? i think
1. 1 answer
2. 767 views
nitorgen has an atomic number of 7. which of the following elementshave similair chemical proteries? carbon, neon, phosphorus,
1. 0 answers
2. 516 views
how to caculate moles with only molarmass
1. 1 answer
2. 422 views
After an unexpected increase in the price of oil, the long run adjustment_____ the price level and_____the unemployment rate as
1. 0 answers
2. 767 views
if production displays economies of scale, the long run average cost curve is:a) upward sloping b) above the short run average
1. 0 answers
2. 1,104 views
When the price of summer tank tops falls and you buy more because they are relatively less expensive, this is called:a)elasticit
1. 2 answers
2. 802 views
When the price of summer tank tops falls and you buy more because they are relatively less expensive, this is called:
1. 3 answers
2. 1,016 views
what are the common place copernicum or ununbium are found in
1. 1 answer
2. 440 views
what are place to find the element ununbium or copernicium
1. 2 answers
2. 442 views
does spots mean commerciali have tried dictionaries and online translators none of them know the word
1. 5 answers
2. 557 views
what is wrong with sayingllegamos con mi mama en el aeropuerto? should the en el be del?
1. 2 answers
2. 516 views
a compound made in the first part of an experiment,[Co(NH3)5Cl]Cl2 appeared to be a dark brown/orange/purple color. This product
1. 1 answer
2. 573 views
What are the possible ions that would form from a solution of [Co(NH3)5Cl]Cl2?
1. 0 answers
2. 196 views
show that (-1,1), (9,4), (20,6) and (10,1) are the vertices of a rhombus and then find the area of this rhombus?
1. 1 answer
2. 581 views
lula wants to round 76.24491 to the nearest hundreth. how do you do it?
1. 1 answer
2. 477 views
WHAT IS THE RECIPROCAL OF 5 3/4
1. 3 answers
2. 463 views
why must a business manage information as a resource?
1. 1 answer
2. 887 views
draw some quadrilaterals. one fifth is blue. one half is yellow.
1. 2 answers
2. 487 views
how do you detect the presence of co2 in a liquid
1. 2 answers
2. 531 views
a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose
1. 1 answer
2. 1,440 views
t= hours 0 1 3 4 7 8 9l(t) people 120 156 176 126 150 80 0 concert tickets went on sale at noon (t=0) and were sold out within 9
1. 3 answers
2. 1,224 views
Why did the South choose to return to a Confederacy despite the failures of this governmental form in the late 18th Century?
1. 3 answers
2. 733 views
n Fig. 21-41, three identical conducting spheres initially have the following charges: sphere A, 7Q; sphere B, -8Q; and sphere
1. 3 answers
2. 1,261 views
(a) What equal positive charges (in Coulombs) would have to be placed on two celestial objects with masses 9.40 x 1027 and 1.99
1. 2 answers
2. 727 views
Calculate the number of coulombs of positive charge in 261 cm3 of (neutral) water. (Hint: A hydrogen atom contains one proton;
1. 1 answer
2. 1,674 views
how do you find the reference angle of csc,sec, cot?for example: csc theta= 2 times square root of 3 / 2
1. 1 answer
2. 582 views
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is
1. 2 answers
2. 973 views
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope
1. 1 answer
2. 1,006 views
if f(x) = x^2 - 2x, find f(x+2) - f(2) / 2the answer is: x+2 but l got: x^2 - 2x - 8 = 0 which is x = 4 or x = -2
1. 5 answers
2. 426 views
find the equation of a line tangent to the graph of y = x / (square root of 5x^s +4), at x = 1.am i suppose to take the
1. 1 answer
2. 504 views
Hi, I need help on answering this question:To what extent did foreign affairs shape American domestic politics in the 1790s? --
1. 2 answers
2. 571 views
a balloon rises at a rate of 3 meters per second from a point on the ground 30 meters from an observer. find the rate of change
1. 3 answers
2. 5,684 views
how do I work this?(-4x^12y^7)^2 (2x^-3y^-2)^2 divided by (5x^-3y^10)^-1 i need step by step help
1. 1 answer
2. 375 views
how do you get that answer???
1. 2 answers
2. 263 views
(2x^2y^-4z^-5)^3How is the answer 8x^6 _____ y^12z^15
1. 1 answer
2. 404 views
Why is a nail attracted to either pole of a magnet, but another magnet is attracted to only one of the poles?Did you post this
1. 0 answers
2. 678 views
Does a light bulb glow because....a) there is burning inside b) an electric current glows c) the filament is hot d) a very small
1. 1 answer
2. 984 views
Does a 5000-watt heater use twice the energy of a 2500-watt heater. What calculation do I need to do to compare these and answer
1. 0 answers
2. 502 views

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