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Michael

Questions (1,012)

A mixture of proteins is analyzed by Western blotting. Two proteins with molecular weights of 45,000 Da and 75,000 Da are
1. 0 answers
2. 479 views
Compare and contrast Ion-exchange Chromatography and Immobilized-metal Affinity Chromatography by considering the following:
1. 0 answers
2. 544 views
Enzyme X is immobilized to a support and is used to separate substrate Y from a mixture of other compounds. In a separate
1. 0 answers
2. 478 views
I need help on this question. What is the smallest positive integer n such that 2n is a perfect square and 3n is a perfect cube?
1. 3 answers
2. 795 views
A baseball pitcher throws a ball with a maximum speed of 150. km/h.If the ball is thrown horizontally, how far does it fall
1. 1 answer
2. 473 views
Thanks Reiny!
1. 2 answers
2. 304 views
How many different integers can be expressed as the sum of three different numbers in the set (1,2,3,4,5,6,7)?Can anyone explain
1. 1 answer
2. 529 views
In a science class of 16 students, 11 are on the basketball team, and 7 are on the track team. What is the least number of
1. 1 answer
2. 709 views
It takes 125 identical wooden cubes to fill a cubical box. How many of these cubes does it take to cover the bottom of the box?C
1. 1 answer
2. 861 views
In a mayor's race of three candidates, Isaac received 4,000 votes, Benoit received 6000 votes and Rene received 1/3 of the
1. 1 answer
2. 671 views
A drawer contains 2 brown and 3 gray socks. THe socks are taken out of the drawer one at a time. WHat is the probability that
1. 3 answers
2. 1,916 views
The sum of two positive integers is 60 and their positive difference is 26. What is the positive difference between the squares
1. 2 answers
2. 1,056 views
compute 11,111 squaredI tried this on the calculator but not sure of the answer
1. 1 answer
2. 311 views
In a mayor's race of three candidates, Isaac received 4,000 votes, Benoit received 6,000 votes, and Rene received 1/3 of the
1. 0 answers
2. 488 views
If I make 5 out of every 18 shots I shoot, how many should I make if I shoot 100 shots?I get 27, is that correct?
1. 1 answer
2. 842 views
Could someone explain how to figure out this problem?If I make 5 out of every 18 shots I shoot, how many should I make if I
1. 2 answers
2. 721 views
Thank you for the web-site! It makes sense now!
1. 1 answer
2. 403 views
I still don't understand how many degrees are in a hexagon. Any help would be great!
1. 0 answers
2. 395 views
15.67 divided by 1.6 round to the nearest tenthmy answer: 10
1. 1 answer
2. 328 views
How many degrees in a hexagon?
1. 1 answer
2. 614 views
Are my commas in the correct place?An island, Goat Island, in New York separates the two falls.
1. 1 answer
2. 467 views
Are the commas in the right place, thanks!!!At the end of construction, in 1959, the Seaway had seven locks and a depth of at
1. 2 answers
2. 515 views
5 paragraphs on how a city establishes food and water?
1. 1 answer
2. 317 views
Are the commas in the correct spots?Write me at 57 Bank Street, New York, New York 10014
1. 1 answer
2. 445 views
I am working on placing commas in the correct place. The sentence is:On June 11, 1994 I visited the Empire State Building. It is
1. 1 answer
2. 457 views
Hi, we are working on commas.I was wondering if I put the commas in the right places in this sentence: Please mail this to Donna
1. 1 answer
2. 526 views
Find cos(a=b). sin a = 3/5, a lies in Quadrant II, and cos b = 5/13, b lies in Quadrant I.
1. 1 answer
2. 742 views
Write a reaction showing what happens to the following in water and identify te conjugate pairs.C6H5NH3 CO3_-2 HCOOh
1. 1 answer
2. 489 views
Calculate the equilibrium concentration of each compound if 0.340 moles of HI are placed in a 5.90 liter container at 520°C. Kc
1. 3 answers
2. 617 views
I need to calculate P(man is a ballet dancer and a musical performer) given the following information...In a random sample of
1. 1 answer
2. 1,728 views
A rubber ball is thrown against the wall. The ball has a mass of 4 g and strikes the wall perpendicularly with a speed of 12
1. 1 answer
2. 730 views
A cat crouches on the floor, at a distance of 1.6 m from a desk chair of height .45 m. The cat jumps onto the chair, landing
1. 2 answers
2. 992 views
How can you easily increase the magnetic field strength inside a current carrying coil?
1. 1 answer
2. 507 views
A 100 watt lamp glows brighter than a 25 watt lamp. What do you know about the resistences of these two lamps. How can you
1. 1 answer
2. 564 views
I need help with this question, A 4-ohm resistor is connected in parallel with a 6 ohm resistor. What is the total resistance of
1. 3 answers
2. 1,842 views
What is Cinna's connection to Brutus in the play? I understand his role in the story, I just don't get how he connects to
1. 0 answers
2. 511 views
Assign oxidation numbers to each atom in the following compounds: HI, PBr3, GeS2, KH, As2O5, H3PO4 (the numbers should be
1. 5 answers
2. 1,720 views
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the
1. 1 answer
2. 627 views
Explain how a calibration curve is produced
1. 1 answer
2. 445 views
What is the difference between interspecific competition and intraspecific competition?
1. 1 answer
2. 821 views
That large white house looks expensive.name all adjectives thanks
1. 4 answers
2. 451 views
List all of the adjectives in the sentence:As the withered old woman approached the microphone, the audience became silent.
1. 9 answers
2. 609 views
I have this graph with the numbersYear population (thousands) 1950 132 1960 187 1970 254 1980 346 1990 466 2000 657 I need help
1. 4 answers
2. 602 views
Do Coastal Communities have high temperature ranges?
1. 3 answers
2. 437 views
Do coastal communities have higher temperature ranges?
1. 1 answer
2. 387 views
determine the mass of the earth from the known period (365.25 days) and the distance of the moon (3.84X10^3 km)
1. 1 answer
2. 764 views
What are the advantages and disadvantages of organic farming?
1. 1 answer
2. 508 views
What is the integral of 20 * (sinx)^3 * (cosx)^2?
1. 2 answers
2. 336 views
Farmer Fred can use two types of plant fertalizers, mix A and mix B. Type A contains 10 lbs of nitrogen, 8 lbs of phosphoric
1. 1 answer
2. 578 views
What is meant by the quote "Hunger is the best pickle"
1. 1 answer
2. 1,249 views
Integral from 1 to 3 of ( 19 + 2x - 20x ) dxthanks
1. 4 answers
2. 502 views
i need the formula for the following...jennifer now earns $250 more than three times the salary she earned as a cashier. If she
1. 4 answers
2. 249 views
a ball is thrown hirizontally from the roof of a building 45.0 meters tall and lands 24.0 meters from the base. what was the
1. 0 answers
2. 510 views
What are the derivatives? Thanksa) y = log(base2)(4-9x) b) y = x^(8x)
1. 1 answer
2. 422 views
What is the subject and verb in the sentence "Past the large sign is a windmill?"
1. 1 answer
2. 541 views
Requesting help.(I must reckon, that X is a variable, and y is y-intercept) Q: Try to use the substitution method to solve the
1. 2 answers
2. 1,386 views
We are doing limits in Calculus, but now we are doing trig limits too and i do not get how to do any of them.For example ones
1. 1 answer
2. 642 views
How do you find the points of the derivative of a function just from the graph of the function?It wants me to find f'(0), f'(1),
1. 1 answer
2. 465 views
this is suppose to be a location to go on a vacation...dreywoknowrkyen
1. 2 answers
2. 336 views
The area of a rectangular wall of a bran is 96 square feet. Its length is 4ft. longer than the width. Find the length and width
1. 1 answer
2. 1,013 views
Solce the system using the linear combination method.5x-3y+2z=3 2x+4y-z=7 x-11y+4y=3 I already knw that there is no soulution
1. 1 answer
2. 583 views
The Elisa test is how accurate?
1. 0 answers
2. 423 views
I need to know 3 things an HIV+ mother can do to prevent the spread of the infection to her child.
1. 1 answer
2. 500 views
I'm a little uneasy about this one, so I thought I'd ask someone who knows -[QUOTE] (5z^3w/-6m^3)*(-6m^5/25z^9) (OR) 5z^3 -6m^5
1. 1 answer
2. 600 views
There are three salts that contain complex ions of chromium and have the molecular formula CrCl3 6H2O. Treating 0.248g of the
1. 2 answers
2. 593 views
what normal kitchen ingredient will extract water from a grape
1. 1 answer
2. 416 views
A rocket is launched with an initial velocity of zero, and with acceleration in feet per second per second defined by:--------(
1. 2 answers
2. 1,179 views
A rocket is launched with an initial velocity of zero, and with acceleration in feet per second per second defined by:--------(
1. 3 answers
2. 2,622 views
A line tangent to y=(x^2)+1 at x=a, a>0, intersects the x-axis at point P.a) Write an expression for the area of the triangle
1. 1 answer
2. 594 views
Find the Inverse Function:y=4x-x^2
1. 3 answers
2. 508 views
"A rocket with mass 1200kg reaches a speed of 300m/s when an explosion breaks it up into two parts with equal mass, and their
1. 1 answer
2. 545 views
A rocket moving at 2000 m/s with a mass of 2000 kg releases gas at 500 m/s perpendicular to the direction of the rocket. The
1. 1 answer
2. 490 views
An unknown was prepared with the concentration of 0.000630 M. A Beer's Law plot was prepared using the absorbance values from
1. 1 answer
2. 534 views
A golf ball is hit with an initial velocity of 50 m/s at an angle of 45 degrees with the horizontal. How far will it travel
1. 1 answer
2. 678 views
I have to do a plot outline, can someone tell me, "what the traditional pyramidal structure to map the important parts of the
1. 2 answers
2. 555 views
Can someone help me solve this system by substitution?y=x-5 y=2x
1. 1 answer
2. 461 views
Can anyone help me identify different examples of "Fate/Destiny" throughout the story, Night, by Elie Wiesel??? Thanks Merry
1. 2 answers
2. 660 views
Lim [(1+x)^(1/x)] - ex->0 x
1. 1 answer
2. 507 views
Is the apostrophe correct in this sentence?The trial embodied John Adams's strong inner sense of justice.
1. 5 answers
2. 508 views
the cost in dollars of printing dollar bills when it costs 3.8cents to print a dollar bill
1. 3 answers
2. 894 views
Find the mass of the triangular region with vertices (0, 0), (2, 0), and (0, 1), with density function p( x, y ) = x^2 + y^2.Im
1. 1 answer
2. 1,620 views
I can't remember how to integrate ye^ey with respect to y. Is it (y^2)e^xy? or do i need to do integration by parts? i just cant
1. 2 answers
2. 562 views
A class writes the equation n+n+1+n+2=87 to solve the following problem.The sum of 3 consecutive odd integers is 87. Find the
1. 3 answers
2. 1,347 views
Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B
1. 3 answers
2. 1,820 views
4 Levels of Government
1. 1 answer
2. 384 views
I have to do an oral presentation on:Martyrs: Father Teodoro Santo Mejia & Father Victor Acuna Cardenas, Peru. I can not find
1. 2 answers
2. 477 views
If 3 cm3 of a substance has a mass of 300 gm, what is its density?
1. 1 answer
2. 821 views
True or False...For several decades into the eighteenth century, American colonists continued to lead rather backward lives,
1. 1 answer
2. 549 views
What was mercantilism and how did it shape the economic and political relationship between England and its colonies?
1. 2 answers
2. 753 views
What are the physical features of the earth's surface called?
1. 0 answers
2. 461 views
In completing this discussion question, you may want to list the pros and cons of allowing more mineral exploration and mining
1. 0 answers
2. 590 views
Find the point at which the line <1,-1,4>+t<3,4,-1> intersects the plane 4x-y-z=73.What process do i take to solve this problem?
1. 0 answers
2. 610 views
A horizontal clothesline is tied between 2 poles, 20 meters apart.When a mass of 5 kilograms is tied to the middle of the
1. 1 answer
2. 1,170 views
I Don't understand any of this and its due tommorow and i don't get it, can you please help me.1. 2/3 of a number m 2. The fifth
1. 8 answers
2. 603 views
For a snow sculpture content, snow is packed into a cube-shaped box with an edge of 8 feet. The box is frozen and removed,
1. 3 answers
2. 1,215 views
For questions 20-21, begin with the following equation: y = 8x^2 + 10x + 3 .20) Find the axis of symmetry. > -5/8 21) Identify
1. 0 answers
2. 519 views
The United States emitted 19.5 million t of nitrogen oxides(NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000
1. 0 answers
2. 627 views
I was trying to figure what propagate meant.Can sound exist in a vacuum? Why or why not? Sound is a matter wave, it requires
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2. 575 views
Can sound exist in a vacuum?No Yes...my hoover is loud when I turn it on! Ignore Eddie's remark. His Hoover is not in a vacuum.
1. 0 answers
2. 597 views
What is the range of this data?36,64,37,53,60 The smallest number is 36 and the largest number is 64. What do you think the
1. 0 answers
2. 1,031 views

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