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Charles
Questions (249)
Delia has 493 stamps in her stamp collection. She can put 16 stamps on each page of an album. How many pages can she fill
7 answers
1,201 views
The denominator of a fraction is one more then the numerator. If 2 were added to both the numerator and denominator, the new
3 answers
967 views
6. (TCO F) Suppose the December CBOT Treasury bond futures contract has a quoted price of 80-07. What is the implied annual
0 answers
881 views
A 1000 kg Toyota, initially traveling at 40 mph, collides into the rear end of a 2000 kg Cadillac, initially stopped at a red
1 answer
624 views
In order to pass a physical education class at a university, a student must run 1.0 mi in 12.5 min. After running for 10.0 min
3 answers
1,697 views
You are given vectors A = 5.0i - 6.5j and B = -2.5i + 7.0j. A third vector C lies in the xy-plane. Vector C is perpendicular to
3 answers
2,820 views
A stone projected vertically upward with a speed of 30ms from the top of a tower of height 50m neglecting the air
2 answers
869 views
A homeowner is laying sod in her lawn. The lawn is a rectangle with dimensions of 28'*18'. If one piece of sod is a rectangle
1 answer
663 views
If wind blows at 34m/s over a house, what is the net force on the roof if its area is 170m2 and is flat? (At 20 ∘ C dry air
0 answers
678 views
A 69-cm-diameter wheel accelerates uniformly about its center from 150rpm to 320rpm in 4.4s . Determine angular acceleration?
1 answer
862 views
Calculate the mass m needed in order to suspend the leg shown in the figure(Figure 1) . Assume the leg (with cast) has a mass of
1 answer
1,164 views
The air temperature on a certain day is 86 degrees F
A)Convert to Celsius? B) Calculate the sound of speed in air? C)When a 653Hz
1 answer
740 views
An ultrasonic wave in water is a compression wave that travels at 1,400 m/s
A) An ultrasonic wave from a ship travels to the
1 answer
627 views
Can someone please help me answer these questions? Is additional information other than what is given needed to solve? Thanks in
1 answer
620 views
We heard tommy's loud drumming clearly despite the _______ of the elementary school band practice.
A. Esprit B. Concordance C.
2 answers
452 views
I am doing a titration lab and need help with a problem. (i used .100M H2SO4)(I used 10.0 ml of Ba(OH)2 solution and added 50.0
1 answer
4,154 views
“Strontium-90 is a pure beta source.” How could a physicist test this statement?
I am stuck on this one, but I was thinking
1 answer
1,428 views
Is the main characher in Football Futigive more like an equilateral isosceles or scalene?
1 answer
401 views
A 4 kg block slides along a frictionless horizontal with a speed of 5.1 m/s. After sliding a distance of 7 m, the block makes a
1 answer
1,450 views
A 0.377 kg bead slides on a curved wire, starting from rest at point A(4.8 meters) as shown in the figure.
The acceleration of
0 answers
672 views
A block sliding on a horizontal surface has an initial speed of 0.5 m/s. The block travels a distance of 1 m as it slows to a
1 answer
2,453 views
Suppose that the force on the block FT is increased so that the block accelerates (starting from rest) at a = 2.2 m/s2.
Now what
1 answer
598 views
A 35 kg block is pulled at a constant speed along a horizontal surface by a rope with tension FT . The rope is inclined at an
1 answer
766 views
A force Fx acts on a particle. The force is related to the position of the particle by the formula Fx = (5.9 N/m3) x3.
Find the
0 answers
972 views
A spring with spring constant of 28 N/m is stretched 0.2 m from its equilibrium position.
How much work must be done to stretch
1 answer
718 views
A 7453 N piano is to be pushed up a(n) 4.04 m frictionless plank that makes an angle of 25.9� with the horizontal.
Calculate the
1 answer
3,975 views
A force ~F = Fx ˆý+Fy ˆ| acts on a particle that undergoes a displacement of ~s = sx ˆý + sy ˆ| where Fx = 10 N, Fy = −4
2 answers
5,680 views
A simple Atwood's machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is
0 answers
590 views
Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and
2 answers
645 views
Elbert wants to plant grass seed in his backyard. His yard is shaped like a rectangle that is 6 meters by 7 meters. He plans to
1 answer
763 views
Serena has a square-shaped garden. She wants to put a fence around the outside of the garden. One side of the garden is 8 feet
2 answers
1,149 views
A mother of triplets wants to buy gum balls the machine has two colors how much will it cost to get three gum apps the same
1 answer
1,115 views
How can we find the antilogarithm of 9.485?
1 answer
325 views
if Tom is driving 64 kilometers/hour what is his speed in miles/hour?
1 answer
511 views
Solve the equation sin2x=2cos2x, for 0 degrees <=x<=180 degrees
2 answers
3,636 views
Ca(OH)2 reacts with CO2 to form CaCO3 and H2O.
A. How many grams of CaCO3 will be formed if 4 grams of Ca(OH)2 are used? B. If
1 answer
758 views
How does the structure of the government relate to the criminal justice system?
0 answers
340 views
Nigeria has been characterized as the most corrupt country in the world and evidence of corruption has been manifested daily by
3 answers
472 views
1.state ten users of accounting information and show their intrest 2. Enlimurate eight qualities that accounting information
0 answers
445 views
1.state ten users of accounting information and show their intrest 2. Enlimurate eight qualities that accounting information
0 answers
538 views
State ten users of accounting iformation and show their intrest 2 enumurate eighth qualities that accounting information must
1 answer
495 views
Steam is compressed reversibly to liquid water at the boiling point 100C. The heat of vaporisation of water at 100C and 1.01325
0 answers
827 views
Determine the mimimum furnace output for a 2100 sq feet modern house using the formula B=31a
1 answer
881 views
Laser Pointers emit light waves whose wavelength is 670 nm. What is the frequency for this light?
1 answer
3,131 views
A tiger leaps horizontally from a 15.0 m high rock with a speed of 7.10 m/s. How far (in meters) from the base of the rock will
2 answers
411 views
Which logarithmic equation is equivalent to L^m = E
1) LogL E = m 2) logE L = m 3) logm E= L 4) logE m= L
3 answers
3,207 views
This is a logs question
If u=x/y^2, which expression is equivalent to log u? 1) log x + 2 log y 2) 2(log x- log y) 3) 2(log x +
1 answer
4,147 views
A mass with an initial combined potential energy and kinetic energy of 10,000 joules is dropped onto a fence post to drive it
0 answers
635 views
Use the data given in table 13.1 on page 846 to construct a frequency distribution with a first class ( in ten thousands ) of
1 answer
459 views
How can pupils be easily helped to understand base ten concepts
0 answers
324 views
The rotating loop in an AC generator is a square 11.0 cm on a side. It is rotated at 60.0 Hz in a uniform field of 0.800 T.
2 answers
2,990 views
A small airplane with a wingspan of 13.5 m is flying due north at a speed of 70.8 m/s over a region where the vertical component
1 answer
1,210 views
A ball is dropped from a roof to the ground 4.00 m below. Exactly 0.400 s later, a rock is thrown downwards with some initial
1 answer
393 views
how to find the lcm of 15,27
1 answer
1,070 views
In the reaction of N2 and H2 to produce NH3, how many moles of H2 will produce 37.9 grams NH3 if sufficient N2 is present? Do
1 answer
899 views
if i ran a 4.6 forty yard dash and i ran down hill at a max speed of 18 miles per hour and punched you right in the face how
1 answer
518 views
What is the probability a student answer at least 4 out of five questions correctly on a quiz? n=15, x>=4, p=.20, q=.80
1 answer
454 views
Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the
1 answer
2,161 views
During the middle 1930s the WPA (Works Progress Administration) put unemployed people to work building bridges, roads and school
3 answers
546 views
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function.
Sec^-1(-2)
1 answer
543 views
Having trouble with a section in my summer assaignment, and my teacher doesnt respond to his e-mails... If someone could help
1 answer
478 views
A pool of water with surface area of 0.6 hectares has a uniform depth of 3 metres.A pipe drains water in the pool at the rate of
2 answers
876 views
On a part-time job, you are asked to bring a cylindrical iron rod of length 91.9 cm and diameter 2.70 cm from a storage room to
2 answers
887 views
I'm not sure where to start on these two problems, so any help is greatly appreciated.
1)4^x = x^2 2)5-x^2 = e^x
1 answer
403 views
What is the volume of a spherical dome with radius 5.5ft and height 3.5ft?
2 answers
494 views
what is the concentration hcl react with zn
1 answer
346 views
A surveillance satellite circles the earth at a hight of h miles above the surface. Suppose that d is the distance, in miles, on
1 answer
1,289 views
Describe in each case what you could add to the following aqueous solutions in order to separate one or more cations or anions
1 answer
480 views
Suppose that two different tests A and B are to be given to a student chosen at random from a certain population. Suppose also
1 answer
973 views
A laser emitting light with a wavelength of 480 nm is directed toward the surface of rubidium metal. The work function for
1 answer
774 views
I have described normative and legal definitions of crime but how is each for applied?
0 answers
440 views
points that all lie in one place?
1 answer
336 views
week9 Romans, Islamic, and Indian civilization. wHAT is the purpose of the piece, who's responsible for paying for the piece,how
1 answer
599 views
Why did it take until 1932 for Saudi Arabia to obtain its independence?
1 answer
401 views
Some properties of aluminum are summarized in the following list.
normal melting point 658°C heat of fusion 0.395 kJ/g normal
4 answers
896 views
The most useful indicator of the degree of democracy reached by a particular society is whether it has a what?
1 answer
409 views
Do students at various universities differ in how sociable they are? Twenty-five
students were randomly selected from each of
1 answer
604 views
a student claims that if a fair coin is tossed and comes up heads 5 times in a row, then according to the law of averages the
3 answers
2,553 views
Show that for all three distributions (Binomial, Poisson and Geometric) the probability of finding at least one ace is around
0 answers
409 views
From a single deck of cards, you select a card, look at it, put it back in the deck and shuffle. If you do this 10 times, what
0 answers
532 views
From a single deck of cards, you select a card, look at it, put it back in the deck and shuffle. If you do this 10 times, what
1 answer
444 views
From a single deck of cards, you select a card, look at it, put it back in the deck and shuffle. If you do this 10 times, what
0 answers
422 views
D)Assume that you have $100,000 extra to spend on promotion of consumer product. On what basis would you decide whatever to
0 answers
1,090 views
D) Explain why distribution frequenly purchased goods like Mars bars requires longer distribution channel with more
1 answer
414 views
A) Explain why the return on investment diminishes as more is invested in advertising.
I understand that ROI= (Gain from
0 answers
891 views
Does anyone know prealgebra so i can ask a question????????????????????????????????????? PLEASE
2 answers
396 views
A)Explain why the return on investment in advertising diminishes as more is invested in advertising.
I understand that ROI= (Gain
0 answers
564 views
Explain why fixed and variable costs per unit decline as sales volume increases. Suppose a company had a variable cost/unit of
1 answer
915 views
A) The total market for high density TV’s is estimated to be 600,000 units. Product development and marketing costs for market
1 answer
637 views
A firm's cost of financing is equal to its: WACC, required yield that investors seek for various kinds of securities, required
0 answers
567 views
Hello im kinda new here and hoping someone can help me with this energy conservation question (I believe).
A 2.10g- bullet embeds
2 answers
547 views
Irene has experienced physical problems because her life has been disrupted by environment changes and constraints. She
1 answer
539 views
John was recently diagnosed with dissociative amnesia. His family and friends have asked to be involved in his treatment. What
0 answers
480 views
John was recently diagnosed with dissociative amnesia. His family and friends have asked to be involved in his treatment. What
0 answers
1,126 views
Irene has experienced physical problems because her life has been disrupted by environment changes and constraints. She
1 answer
502 views
Which analysis of variance should be applied when an experiment has more than one independent variable.
What are the assumptions
0 answers
597 views
If the frequency of an RC oscillator connected to CLKIN is 96 KHz on A PIC 16F877a, the frequency on CLKOUT would be?
1 answer
372 views
If the frequency of the crystal oscillator is 20 MHz on a PIC16F877a, the frequency of the signal on OSC1/CLKOUT would be?
1 answer
386 views
If the frequency of the crystal oscillator is 20 MHz on a PIC16F877a, the frequency of the signal on OSC1/CLKIN would be?
0 answers
384 views
What does sec^2(-2) equal? Can you explain why?
2 answers
358 views
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