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Samuel
Questions and answers by visitors named
Samuel
Questions (297)
A park maintenance person stands 16 m from a circular monument. Assume that her lines of sight form tangents to the monument and
25 answers
17,896 views
A brass measuring tape is correct at 20 degree Celsius. The value obtained when the length of a field is measured with the rule
11 answers
asked by
Samuel
4,901 views
An empty relative density bottle weighs 25g.it weighs 65g when filled with a liquid and 75g when with water.caculate the density
9 answers
asked by
Samuel
5,333 views
The total surface area of a rectangular solid is 130cm, if the solid is 7cm long and 5cm wide. Calculate the height
3 answers
1,925 views
A computer password is required to be 9 characters long. How many passwords are possible if the password requires 2 letter(s)
5 answers
asked by
Samuel
7,123 views
A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the
7 answers
3,312 views
the molarity of 2% by weight of aqueous solution of H2S4(molecular weight = 98)
5 answers
3,091 views
The first term of an A.P is 3 and the fifth term is 9.Find the number of
terms in the progression if the sum of the progression
4 answers
1,531 views
Use the binomial theorem to expand (2x-3y)^5
showing work is appreciated
5 answers
1,325 views
Determine whether the graphs of the equations are parallel, perpendicular, or neither.
y=-x+2 y=-x-3
2 answers
1,039 views
Write the slope-intercept form of an equation for each line, given either the slope and the y-intercept or the coordinates of
2 answers
537 views
I'm reading my book and from what i'm getting here is that the progressives demanded a more activist government but what im not
2 answers
522 views
Phosgene (COCl2) is an extremely poisonous gas that was used extensively in World War I as a chemical warfare agent. At 300oC,
5 answers
3,689 views
An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 75.0 cm long and has a mass of 5.28 kg. What is the
2 answers
603 views
A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot
2 answers
859 views
A water molecule consists of an oxygen atom and two hydrogen atoms. Oxygen has a mass of 16 atomic units (u) and each hydrogen
3 answers
921 views
Three balls A, B, and C, with masses of 3 kg, 1 kg, and 1 kg, respectively, are connected by massless rods. What are the
2 answers
938 views
Alley club-ax consists of a symmetrical 8 kg stone attached to the end of a uniform 2.5 kg stick that is 98 cm long. The
2 answers
657 views
Find the points on the curve y = 2x^3 + 3x^2 - 12x + 1 where the tangent is horizontal
3 answers
1,533 views
Dear Readers,
I am a 6th grader that recently took a math test. I got a question wrong, and I think it was because I don't know
3 answers
514 views
For example, when people ask "We don't have to hand in the assignment right?"
Why do some people answer "No." (They meant the
3 answers
458 views
When water sinks into the soil, what does it become?
1 answer
309 views
unscramble "elasel" in french;
unscramble "ionmaes" in french. Thank you
2 answers
949 views
What can you find in Santa Claus' bag?
descramble "ELASEL" (in french) I need help....
2 answers
467 views
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17
4 answers
1,029 views
A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is
4 answers
2,184 views
A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m
1 answer
1,023 views
Describe a potential arbitrage strategy if a put price is the same as the negative of a forward if the strike are the same. You
1 answer
428 views
Why are spurgeons important to theie ecosystem?
1 answer
424 views
If a particular experiment were known to have a transformation efficiency of 3 x 103 bacteria/ìg of DNA, how many transformant
2 answers
545 views
Given that the monopolist demand curve is Qd=200-2P, TC=#900 and P= #55. What is the total profit?
1 answer
876 views
An auditorium has 20 rows of seats.These are 20 seats in the first row,21 in the second row and 22 in the third row and so
2 answers
599 views
Consider the reaction of 82.0 g of oxygen as follows:
4Fe + 3O2 2Fe2O3 How many moles of oxygen react? How many moles of iron
1 answer
608 views
Rank the following samples in mass from least to greatest.
a) 2 x 1023 S atoms b) 0.25 mol of Cu atoms c) 2 mol of N atoms d) 6 x
3 answers
1,828 views
Rank the following samples in number of atoms from least to greatest.
a) 2 mol of K atoms b) 48 g of S c) 27 g of Be d) 50 g of
2 answers
1,249 views
If it takes three "breaths" to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air,
6 answers
1,538 views
Can anyone tell me which Play the Phrase, "Drama Kings and Queens, Unite!" came from ar at least point me in the right
1 answer
424 views
Can anyone point me in the right direction? I need to know which play made the line Drama Kings and Queens unite!. I have tried
3 answers
344 views
A popular casino in Windsor estimates that the chance that someone sitting at one of their
Black Jack tables has a 0.35
1 answer
404 views
Can someone tell me what formula I should use?
The number of milligrams of tar in filtered and unfiltered cigarettes is being
1 answer
1,060 views
A car travels 2.06 km in the x-direction, then
turns left 70.3 degrees to the original direction and travels an additional
2 answers
701 views
Diagram examples of a player dat drop a ball on d ground and bounce back to his hand
1 answer
391 views
What is 2x times 200-4x/3? {2x(-4x+200/3)
1 answer
268 views
What is 2x times 200-4x/3? {2x(-4x+200/3)
1 answer
302 views
What angle would a projectile have to be shot at so that it will go twice as high as it will far
1 answer
346 views
What angle would a projectile have to be shot at so that it will go twice as high as it will far
1 answer
299 views
What angle would a projectile have to be shot at so that it will go twice as high as it will far
1 answer
311 views
If a solution is made by mixing 50.0 moles of KOH to 3.4 kilograms of water, what is the solutions molality?
1 answer
388 views
If a solution is made by mixing 50.0 moles of KOH to 3.4 kilograms of water, what is the solutions molality?
1 answer
350 views
If a solution is made by mixing 50.0 moles of KOH to 3.4 kilograms of water, what is the solutions molality?
3 answers
505 views
If 12a=6 tens. Find a
1 answer
355 views
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two
1 answer
569 views
A 130.0 mL buffer solution is 0.100 M in NH3 amd 0.135 M in NH3 and 0.135 M in NH4Br. What mass of HCI could this buffer
2 answers
985 views
Find the Range of the following relation
y=a^2x-ax^2, x≥1/2a, a<0
1 answer
288 views
If 35cm cube of gas is heated from 14 degree celsius to 55 degree celsius.what is the new volume?
4 answers
977 views
An animal shelter has 22 cats and 16 dogs. Write the ration of dogs to cats as a fraction in lowest terms.
2 answers
715 views
if z(t) = 60 * 1.03^t, find t when z(t) =144
2 answers
654 views
Which angle is complementary to(CBS?
1 answer
327 views
The area of a regular octagon is 35 cm². What is the area of a regular octagon with sides three times as long?
7 answers
2,180 views
yo wazzup so can you guys help me with this one problem? Thanks a bunch!
Problem: Draw a circle whose center is at (1,2) so that
2 answers
516 views
Write the standard equation for the circle center (–6, –8), that passes through (0, 0). How would someone do this? I have
3 answers
810 views
If measures of two complementary angles are in the ratio 1 : 5. What are the degree measures of the two angles? Thanks :)
2 answers
905 views
Assume the two planes are heading 'towards P'. For now, let's not get too wound up about the x and y aspects. We'll always
1 answer
367 views
f(24)=1/2(24)+5
2 answers
535 views
A person pulls a crate with 120 N of force against 100 N of friction a distance of 5 meters. Find the energy the person expends
2 answers
1,029 views
A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 46 inches, find
4 answers
6,428 views
The scale on a globe is 1/8 of an inch equals 125 miles. How many inches is the circumference of the globe if the diameter of
2 answers
497 views
A block of mass 2 kg is connected to a freely hanging block of mass 4 kg by a light and inextensible string which passes over
2 answers
1,065 views
The relative Density of an alloy is 65.(a) find the mass of a solid alloy cube of side 20cm.(b) what vol of the alloy has a mass
5 answers
512 views
A man jumps from a great height and falls freely to the Earth. Another man jumps from the same height 1 s later. How much are
4 answers
905 views
Displacement is given by x=2+3t+4t². Find the value of instantaneous acceleration.
2 answers
848 views
If two objects weighing 5 kg and 7 kg are dropped from a height of 64 m and 36 m, respectively. What will be the ratio of times
3 answers
957 views
While standing on a horizontal frictionless surface a 50.0 kg student pushes against a wall with an average force of 125 N to
3 answers
1,452 views
A track of mass 1000 kg travelling on a straight level road accelerates from a speed of 10 m/s to a speed of 30 m/s in 12
3 answers
404 views
5 ways in which the human or environmental problem impacts on the community.
1 answer
344 views
Estimate the percentage savings in the fuel bill if the thermostat is set back from 68 degrees F to 50 degrees F for 12 hours of
3 answers
892 views
Wha volum of steam is produced when log of propyrie is burnt in excess oxygen at s.t.p?
5 answers
1,561 views
VERY URGENT- A kicked ball takes off at 25m/s at an angle with the ground. If the goal is 50m away and the horizontal bar is
1 answer
415 views
The Megabuck Hospital Corp. is to build a state-subsidized nursing home catering to homeless patients as well as high-income
1 answer
620 views
The point charges in Figure 17.41 are located at the corners of an equilateral triangle 25.0 cm on a side, where qb = +12.0 µC
3 answers
1,473 views
Why traditional african marriage is an advantage for men only not, women
3 answers
566 views
2 vertices of a triangle are 1,-4 and 6,-4. List 2 possible coordinates of the third vertex so that the triangle has an area of
4 answers
817 views
Lana woke up, curled in a corner of the seat at the back of the train. She lifted the shade to see that the sun had hidden
7 answers
1,087 views
A wind is blowing with a speed of 50 mph is a direction 40 degrees west of north. What is the westerly component of the wind's
2 answers
568 views
Can someone help me with #1 - a,b,c
it is on economics20145.weebly
1 answer
281 views
A. "Solve for w: (6w+1)/5≠2. Describe the solution in set notation."
First I must find what number to substitute for "w" that
2 answers
593 views
If the wheel of a bicycle has a diameter of 60cm, calculate how far a cyclist will have travelled after the wheel has rotated
5 answers
3,854 views
a force of 1600N is used to push a crate of brick at a rate of 40m/s squard. If the crate weights 150kg, how much do the bricks
1 answer
387 views
I have the same problem as Marita. Can someone tell us what equation to use.
Horizon has a cell phone plan for $28.00 per month
2 answers
597 views
A diver on a platform 40 feet in height jumps upward with an initial velocity of 5ft/s. His height in h feet after t seconds is
2 answers
866 views
4g of an organic compound gave 2.34g of carbon 0.16g of hydrogen 0.46g of nitrogen 1.04g of oxygen.what is the empirical formula
2 answers
513 views
In Fahrenheit 451, what pages are these words found on? I really need help just with this. It would be nice to help me out. Here
2 answers
481 views
A man takes a 500km trip in his car, He rotates his tyres (four on the car and one spare) so that in the end of the trip each
2 answers
560 views
The solubility of potassium nitrate at 20¡ãC is 340g/litre.
How many grams of KNO3 can dissolve in 185ml of water?
3 answers
589 views
If an aquarium tank holds 100 litres of water, calculate how much heat energy would be required to heat the tank from 18.2
5 answers
419 views
A particle P of mass 7kg is suspended by two inextensible strings AP,BP of lengths 40cm and 75cm respectively. The ends, AP of
2 answers
556 views
a 6.5 ounce can of tuna for $1.39 or a 3 ounce can of tuna for $0.65.
the 6.5 ounce can of tuna costs ________ the 3 ounce can of
7 answers
1,442 views
Find the minimum distance between the curves y=e^x and y=lnx. Hint: Use the fact that e^x and lnx are inverse relationships. I
2 answers
525 views
A compound on analysis as 87:8% c,12:2%h determine its empirical formular&molecular formular given mass=56gmol
4 answers
1,895 views
A compound on analysis as 87:8% c,12:2%h determine its empirical formular&molecular formular given mass=56gmol
2 answers
525 views
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