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Ryan

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find the solutions to the equation;x^(2/5)-8x(1/5)+16=0
1. 1 answer
2. 427 views
I have homework in which it asks "Describe the difference between elements, mixtures and compounds. (I have done the first
1. 0 answers
2. 542 views
Jonathan measure 2 cups of flour into a bowl on the counter then he spilled part of it and now there is only three eighths cup
1. 2 answers
2. 1,028 views
S= L(1-r), solve for rI tried both distributing L and dividing by it, but I am not sure which way is correct. Any help would be
1. 1 answer
2. 358 views
. Jordan’s Jeans Company reported net income for 2014 of $871,800 and the company paid dividends of $0.08per share in 2014.
1. 0 answers
2. 619 views
In 2014, Timmers, Inc. (a retail clothing company) sold 102,300 units of its product at an average price of$100.00 per unit. The
1. 0 answers
2. 524 views
If a line whose x- and y- intercepts are equal does not pass through the origin, then its slope must beA. 0 B. 1 C. -1 D.
1. 1 answer
2. 580 views
The result of adding a number to itself is usually unequal to the result of multiplying the number by itself. For how many
1. 1 answer
2. 497 views
If a line whose x- and y- intercepts are equal does not pass through the origin, then its slope must beA. 0 B. 1 C. -1 D.
1. 1 answer
2. 352 views
I watched 1000 ants build an anthill in 5 hours. Working at the same rate, 2500 ants could have built the anthill in ? hours?A.
1. 5 answers
2. 556 views
In a pseudopythagorean triangle, the sides are all integers and the sum of the square roots of the sides equals the square root
1. 1 answer
2. 522 views
Carol started from home on a trip averaging 30 miles per hour how fast must her mother drive to catch up to her in 3 hours if
1. 3 answers
2. 1,335 views
The stock that Mr. Ames bought cost him $80 a share. The par value of the stock is $100. If the stock pays $6 a year in
1. 3 answers
2. 1,784 views
If n is a positive integer, n! is the product of the first n positive integers. For example, 4! = 4 x 3 x 2 x 1 =24. If u and v
1. 1 answer
2. 642 views
If the lengths of the sides of a rectangle are integers, and if one side is 2 more than another, then the perimeter could equalA
1. 3 answers
2. 435 views
Of the following, which must be true whenever x^1998 = y^1998?A. x^999=y^999 B. x^1997=y^1997 C. x^1999=y^1999 D. x^2000=y^1000
1. 1 answer
2. 514 views
How many moles of carbon are found in 250.0 g of CaCO3?I started off with finding the molar mass of CaCO3, which is 100.09g.
1. 5 answers
2. 2,226 views
When you change the dna code to mRNA, will A become U or T?
1. 1 answer
2. 406 views
A circle of radius 2 is externally tangent to a circle of radius 8. Compute the length of their common tangent.
1. 1 answer
2. 1,084 views
Solve for all real values of x is 9^x+2=240+9^xTHIS ONE IS HARD
1. 1 answer
2. 526 views
Joan's stamp collection consists of three books. Two tenths of her stamps are on the first book, several sevenths are in the
1. 3 answers
2. 2,145 views
In triangle ABC, AC=BC. The point D is on BC such that AB=AD=DC. Compute the measure of angle C.I'm not sure how to do this...
1. 1 answer
2. 887 views
How many grams of zinc metal are required to produce 2.00 L of hydrogen gas at STPaccording to the chemical equation shown
1. 6 answers
2. 5,316 views
Hey, we recently started a topic in class that I don't understand well, I just want to post 6 of the problems and ask if they're
1. 1 answer
2. 996 views
What is the product formed when phtalic anhydride reactors with D2O/D+?Thank you in advanced!
1. 1 answer
2. 401 views
How many grams of Mg must react with HCl in order to produce 40.0 ml of hydrogen gas at 22 degrees celsius and 1.02 bar?If the
1. 1 answer
2. 2,881 views
Sin x/[1-cos(-x)] = csc x + cot xPlease Verify the Identity. I have been going in circle with this one... Just a hint would be
1. 2 answers
2. 1,819 views
The angle of a rotating shaft turns in t seconds is given by theta= ω+1/2at^2and it is given that ω=3 2 rad/s and α=0.6 rad/s
1. 3 answers
2. 633 views
Two resistors in series, R1 and R2, have a total resistance of 1,600 ohms. The resistance of R2 is 560 ohms less than twice R1.
1. 1 answer
2. 522 views
The law connecting friction F and load L for an experiment is of the form F =aL+b, where a and b are constants. When F =5.6,
1. 0 answers
2. 490 views
A manufacture finds the total cost "C" for a product is expressed by C=3x2-8, and the total revenue "R" by R=3x-2, where x is
1. 0 answers
2. 477 views
Two flares are launched from a life raft. The height h of the first flare in metres above the sea is modelled by the formula h1=
1. 0 answers
2. 497 views
8) Describe the difference between a prosthetic group, cofactor, and coenzyme; provide an example of each.
1. 1 answer
2. 428 views
What does b-mercaptoethanol do to secretory proteins?If you forgot to add b-mercaptoethanol to a secretory protein, would the
1. 2 answers
2. 467 views
For each of the following characteristics, will the migration of the protein speed up, slow down, or remain unchanged if you do
1. 0 answers
2. 566 views
What does b-mercaptoethanol do to secretory proteins?If you forgot to add b-mercaptoethanol to a secretory protein, would the
1. 0 answers
2. 444 views
What does b-mercaptoethanol do to secretory proteins?also...If you forgot to add b-mercaptoethanol to a secretory protein, would
1. 0 answers
2. 455 views
3) For each of the following characteristics, will the migration of the protein speed up, slow down, or remain unchanged if you
1. 0 answers
2. 521 views
What does b-mercaptoethanol do to secretory proteins?also...If you forgot to add b-mercaptoethanol to a secretory protein, would
1. 0 answers
2. 430 views
3) For each of the following characteristics, will the migration of the protein speed up, slow down, or remain unchanged if you
1. 0 answers
2. 531 views
What does b-mercaptoethanol do to secretory proteins?
1. 1 answer
2. 384 views
3) For each of the following characteristics, will the migration of the protein speed up, slow down, or remain unchanged if you
1. 0 answers
2. 528 views
Find a third-degree polynomial equation with rational coefficients that has roots -1 and i+1
1. 1 answer
2. 1,380 views
The coefficient of static friction between the m = 3.75-kg crate and the 35.0° incline of the figure below is 0.320. What
1. 1 answer
2. 1,196 views
A history class is comprised of 5 female and 8 male students. If the instructor of the class randomly chooses 8 students from
1. 0 answers
2. 1,350 views
The mass of spectrum of 2,4-dimethylpentane shows peaks at m/z 43, 57, and 85. Show the fragments which produce these peaks.
1. 1 answer
2. 536 views
Consider the following reaction:CO(g)+H2O(g)⇌CO2(g)+H2(g) Kp=0.0611 at 2000 K A reaction mixture initially contains a CO
1. 1 answer
2. 962 views
describe how a population is thought to evolve through natural selection. Provide an example (specifically, the peppered moth)
1. 0 answers
2. 423 views
name all the possible isomers of methyl nitrobenzoate and nitroacetanilide which can be formed
1. 0 answers
2. 453 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 368 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 474 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 470 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 371 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 386 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 379 views
A solution of 4-methyl-3-penten-2-one in ethanol shows an absorbance of 0.52 at 236 nm in a cell with a 1-cm light path. Its
1. 1 answer
2. 1,126 views
A solution of 4-methyl-3-penten-2-one in ethanol shows an absorbance of 0.52 at 236 nm in a cell with a 1-cm light path. Its
1. 1 answer
2. 664 views
Why does the carotene elute from the column before the chlorophylls?
1. 0 answers
2. 366 views
Why should a mixture to be separated by column chromatography be introduced onto the column in a minimum amount of solvent?
1. 1 answer
2. 1,536 views
Arrange the following compounds in order of decreasing ease of elution from a column of silica gel: a) 2-octanol; b)
1. 0 answers
2. 878 views
What precautions must be taken when you introduce a mixture of compounds to be separated onto a liquid chromatography adsorbent
1. 0 answers
2. 843 views
Once the adsorbent is packed in a liquid chromatography column, it is important that the level of the elution solvent not drop
1. 3 answers
2. 842 views
What precautions must be taken when you introduce a mixture of compounds to be separated onto a liquid chromatography adsorbent
1. 1 answer
2. 1,224 views
Once the adsorbent is packed in a liquid chromatography column, it is important that the level of the elution solvent not drop
1. 1 answer
2. 1,851 views
A sample of air contains 12.8 µg/m3of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 8
1. 1 answer
2. 793 views
You have a tank of helium with a volume of 10 liters that is currently under 40 atm of pressure. If you open the valve on the
1. 1 answer
2. 603 views
A boat traveled 210 miles downstream and back. The trip downstream took 10 hours. The trip back took 70 hours. What is the speed
1. 2 answers
2. 700 views
Select the pair of substances in which the one with the higher vapor pressure at a given temperature is listed first.1. C7H16,
1. 2 answers
2. 6,344 views
Calculate the ppm of the sodium ions when 2.91 g of sodium triphosphate are added to 2.33 L of solution.I earnestly have no idea
1. 1 answer
2. 534 views
) A car dealership advertises a 15% discount on all its new cars. In addition, themanufacturer offers a $1000 rebate on the
1. 2 answers
2. 1,348 views
The ratio of apples to oranges is 4:5. I have 200 apples and oranges total. How many are apples?
1. 2 answers
2. 958 views
A marine biologist is testing a new under water probe. The probe is catapulted from the ship into the air, descends under water
1. 1 answer
2. 1,984 views
An inverted conical tank is being filled with water, but it is discovered that it is also leaking water at the same time. The
1. 2 answers
2. 1,108 views
A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a
1. 0 answers
2. 634 views
A pulley system on a pier is used to pull boats towards the pier for docking. Suppose that a boat is being docked and has a rope
1. 1 answer
2. 744 views
Conditional statement based on a Venn diagram 2 circles: large circle says quadrilaterals smaller inner circle says squaresIf a
1. 1 answer
2. 1,253 views
Find the distance between points (6, 16) and (–1, 14) to the nearest tenth
1. 4 answers
2. 1,239 views
Find the other endpoint given the first endpoint and the midpoint A = (3, 5) B = (5, -11) find C
1. 1 answer
2. 455 views
A boy is flying a kite on a string 33m long. The string which is being held at 1.5m above the ground, makes an angle of 39* with
1. 1 answer
2. 1,338 views
Suppose the area under the curve y=xe^(-mx) from 0 to 1 is 0.4. Find m.
1. 1 answer
2. 515 views
Suppose the total area under the curve y=x^2-mx+1 from 0 to 5 is 11.3024. Find m.I know that this means that i need to find the
1. 3 answers
2. 454 views
Find each unit rate. Round to the nearest hundredth if necessary.357 miles in 6.3 hours
1. 4 answers
2. 1,240 views
Find each unit rate. Round to the nearest hundredth if necessary.5 pounds for $ 2.49
1. 4 answers
2. 1,961 views
use the simpsons rule with n=10, arc length y=^3sqaure root x, for 1<=x<6
1. 1 answer
2. 399 views
find the maclaurin series for: f(x) = (1-3x)^-5. What is the radius of convergence?
1. 0 answers
2. 587 views
A coin with a diameter of 1.90 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular
1. 0 answers
2. 574 views
At a certain temperature, Keq is 4.13 x 10^-5 for the equilibrium:2IBr(g) ↔ I2(g) + Br2(g) Assume that the equilibrium is
1. 1 answer
2. 1,181 views
Compare and contrast European colonization of the Americas in the 16th and 17th centuries with European colonization of Africa
1. 0 answers
2. 1,090 views
an electron is sitting 10cm away from a small object -5nc it is let go and moves away from the charged object when it reaches a
1. 0 answers
2. 864 views
Even if you know only some of them please help!1. Give a proof of the following: (∀F)( (P)( [ιxGx][Px] ⊃ F(P) ) ⊃ F(G))
1. 1 answer
2. 827 views
Two radar stations are 50 miles apart. Both are tracking the same plane. At this moment, the angle between station 1 and the
1. 1 answer
2. 777 views
Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the
1. 1 answer
2. 948 views
The claim that "38% of those persons who retired from an industrial job before the age of 60 would return to work if a suitable
1. 1 answer
2. 459 views
An accelerated life test on a large number of type-D alkaline batteries revealed that the mean life for a particular use before
1. 6 answers
2. 1,942 views
You take a trip by air that involves three independent flights. If there is an 67% chance each specific leg of the trip is on
1. 2 answers
2. 631 views
A survey of top executives revealed that 37% of them regularly read Time magazine, 21% read Newsweek and 38% read U.S. News &
1. 0 answers
2. 621 views
You take a trip by air that involves three independent flights. If there is an 67% chance each specific leg of the trip is on
1. 2 answers
2. 975 views
A survey of top executives revealed that 37% of them regularly read Time magazine, 21% read Newsweek and 38% read U.S. News &
1. 0 answers
2. 657 views
The National Center for Health Statistics reported that of every 894 deaths in recent years, 25 resulted from an automobile
1. 3 answers
2. 585 views
Complete ionic equation and net ionic equation for 2 K3PO4 + 3 Fe(NO3)2 --> 6 KNO3 + Fe3(PO4)2
1. 1 answer
2. 2,358 views

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