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Questions (63)

Which of the following is the general solution of the differential equation dy/dx = 2x/y?y2 = x2 + C y2 = 2x2 + C <- my answer
1. 1 answer
2. 939 views
The slope of the tangent line to a curve at any point (x, y) on the curve is x/y. What is the equation of the curve if (4, 1) is
1. 2 answers
2. 1,330 views
The temperature of a pan of hot water varies according to Newton's Law of Cooling: dT/dt=-k(T-A), where T is the water
1. 0 answers
2. 2,236 views
Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e.y equals negative 1 minus 4
1. 0 answers
2. 841 views
The particular solution of the differential equation dy/dt=2*y for which y(0) = 60 isy = 60e2t y = 60 e0.5t y = 59 + et y = 30et
1. 1 answer
2. 605 views
The slope of the tangent line to a curve at any point (x, y) on the curve is x/y. What is the equation of the curve if (4, 1) is
1. 0 answers
2. 454 views
The temperature of a pan of hot water varies according to Newton's Law of Cooling: dT/dt=-k(T-A), where T is the water
1. 1 answer
2. 1,703 views
Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e.y equals negative 1 minus 4
1. 1 answer
2. 1,105 views
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples
1. 0 answers
2. 721 views
Define a protein kinase and explain its role in a signal transduction pathway. Then describe what can happen if an organism's
1. 0 answers
2. 751 views
Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and
1. 1 answer
2. 689 views
Express the given integral as the limit of a Riemann sum but do not evaluate: the integral from 0 to 3 of the quantity x cubed
1. 0 answers
2. 737 views
Use the Fundamental Theorem to evaluate the integral from 0 to 3 of the quantity x cubed minus 6 times x, dx.(Your answer must
1. 0 answers
2. 1,320 views
Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the
1. 1 answer
2. 2,046 views
Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the
1. 2 answers
2. 1,134 views
Explain, in terms of collision theory, how and why a reaction’s rate changes as the reaction progresses.
1. 2 answers
2. 710 views
Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the
1. 3 answers
2. 1,335 views
A match must be struck against an object to produce a spark to start the burning process. Once the match starts burning, it
1. 1 answer
2. 1,107 views
How does the potential energy of the reactants compare to the potential energy of the products in an exothermic reaction, and
1. 1 answer
2. 791 views
Which reaction did you perform in the hands-on activity? Describe the chemical combination that you investigated. Also describe
1. 2 answers
2. 931 views
Describe what you observed in the hands-on animal behavior lab. What conclusions did you draw from the data? Explain your
1. 1 answer
2. 916 views
Describe a specific type of chemical or audible communication used by animals to respond to an external stimulus and the
1. 1 answer
2. 1,816 views
In one signaling pathway, cyclic AMP (or cAMP) acts as a second messenger in a series of reactions that result in the relaxation
1. 0 answers
2. 813 views
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples
1. 0 answers
2. 739 views
Define a protein kinase and explain its role in a signal transduction pathway. Then describe what can happen if an organism's
1. 1 answer
2. 678 views
Explain how cell membranes and their components participate in intercellular signaling. Give a specific example of cell membrane
1. 1 answer
2. 2,451 views
Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and
1. 0 answers
2. 604 views
Find the distance, in feet, a particle travels in its first 2 seconds of travel, if it moves according to the velocity equation
1. 5 answers
2. 3,810 views
For an object whose velocity in ft/sec is given by v(t) = −t2 + 6, what is its displacement, in feet, on the interval t = 0 to
1. 1 answer
2. 1,175 views
Find the average value of f(x) = 1 over x over the interval [e, 2e].the natural logarithm of 2 over e negative 1 over 2 times e
1. 1 answer
2. 2,823 views
Find the velocity, v(t), for an object moving along the x-axis if the acceleration, a(t), is a(t) = 2t + sin(t) and v(0) = 4.v(t
1. 1 answer
2. 617 views
An elementary student kicks a ball straight into the air with a velocity of 16 feet/sec. If acceleration due to gravity is −32
1. 1 answer
2. 1,552 views
Find the area of the region bounded by the graphs of y = 2 − x2 and y = −x.Find the area of the region bounded by the graphs
1. 1 answer
2. 3,437 views
Find the area of the region bounded by the graphs of y = x, y = −x + 4, and y = 0.1 2 4 None of these
1. 1 answer
2. 1,638 views
Find the number b such that the line y = b divides the region bounded by the curves y = x2 and y = 4 into two regions with equal
1. 1 answer
2. 3,387 views
Which of the following goods would you guess that the American colonies did not export to England?
1. 1 answer
2. 499 views
I am struggling with deciding which evaluation criteria best fits for writing a critical essay on the passage written by Stephen
1. 0 answers
2. 1,106 views
Assume that WilyMarketer is running an email campaign to acquire new customers. It is considering two options:Option A would use
1. 1 answer
2. 1,889 views
The Recall Computer Company has six territories, each represented by one salesperson. After extensive planning, the company
1. 3 answers
2. 773 views
The Recall Computer Company has six territories, each represented by one salesperson. After extensive planning, the company
1. 0 answers
2. 1,339 views
Please someone show me how to work this one out?Suppose Caroline is a cinephile and buys only movie tickets. Caroline deposits
1. 2 answers
2. 14,232 views
Suppose Caroline is a cinephile and buys only movie tickets. Caroline deposits $3000 in a bank acct that pays an annual interest
1. 2 answers
2. 1,122 views
Suppose that there are three beachfront parcels of land available for sale in Asilomar and six people who would each like to
1. 2 answers
2. 1,723 views
The fusion of nuclei requires1. slow moving (thermal) neutrons 2. a critical mass 3. heavy nuclei 4. plasma at extremely high
1. 0 answers
2. 435 views
Exhibit 8-1For the following questions, consider the equation below. Zinc will react with a solution of hydrochloric acid to
1. 1 answer
2. 908 views
Fermentation of carbohydrates is a source of1. ethanol 2. MTBE 3. methanol 4. ethers I am working on self test in the book, but
1. 1 answer
2. 1,091 views
How much heat is released when 10 g of steam at 100°C is cooled to 10 g of liquid water at 100°C?I am working on a practice
1. 1 answer
2. 1,979 views
Which equation does not fit the definition of oxidation?1. Na ® Na+ + e- 2. C2H6 ® H2 + C2H4 3. C + O2 ® CO2 4. Ag+ + e- ®
1. 1 answer
2. 1,723 views
What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded
1. 1 answer
2. 561 views
What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded
1. 0 answers
2. 489 views
Your industry currently employs 3,800,000 workers. If this labor force is growing expotentially at an annual rate of 2.3% how
1. 1 answer
2. 434 views
Your industry currently employs 3,800,000 workers. If this labor force is growing expotentially at an annual rate of 2.3% how
1. 0 answers
2. 523 views
What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded
1. 0 answers
2. 479 views
Find the annual rate, r that produces an effective annual yield of 6.3% when compounded continuosly.
1. 1 answer
2. 1,604 views
The ratio of the distances a driver and a 2 iron can propel a golf ball is 5 to 4. If a golfer averages a distance of 200 yards
1. 0 answers
2. 950 views
A solution with pH = 4 has1. relatively high concentration of OH- 2. relatively low concentration of H3O+ 3. relatively high
1. 2 answers
2. 1,016 views
A solution with pH = 4 has1. relatively high concentration of OH- 2. relatively low concentration of H3O+ 3. relatively high
1. 3 answers
2. 1,141 views
A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.4
1. 1 answer
2. 11,935 views
what is 5 3/7 x 1/11 equal
1. 1 answer
2. 398 views
what city is anabijd scrambled?
1. 1 answer
2. 422 views
is there any number that doesn't have a reciprocal?
1. 1 answer
2. 408 views
can you give me words that correspond to the count of a half-note and words that correspond to the count of a quarter note?half
1. 0 answers
2. 1,302 views
1)what is agriculture and why is it important in our daily life? can you give and describe 7 garden tools being used at home?htt
1. 3 answers
2. 1,067 views

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