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Francesca

Questions and answers by Francesca

Questions (55)

Solve the recurrence relation a_n = -6a_n - 1 + 7a_n-2, n ≥ 2, given a₀ = 32, a₁ = -17.This is what I have figured out so
1. 20 answers
2. 1,307 views
Calculate the pH at the equivalence point for the titration of 0.140 M methylamine (CH3NH2) with 0.140 M HCl. The Kb of
1. 4 answers
2. 2,092 views
The effectiveness of Roman rule can easily be seen in the fact that the fall of Rome led to1) political chaos and economic
1. 6 answers
2. 583 views
1.) Find the producers' surplus if the supply function is: S(q) = q^7/2+3q^5/2 + 54. Assume the supply and demand are in
1. 2 answers
2. 1,082 views
Use the definite integral to find the area between the x-axis over the indicated interval.f(x) = 36 - x^2; [-1,13] So, what does
1. 5 answers
2. 921 views
I need to know the laws of triangle inequality. i need help what is triangle in equality?
1. 1 answer
2. 919 views
what are the best desciiptions of both push and pull facors?
1. 1 answer
2. 356 views
Can someone please calculate this:48(-1/2)^6 The answer is 3/2, but I get 3/4. What am I dong wrong?
1. 6 answers
2. 334 views
I want to verify that this is correct:An arithmetic sequence begins, 116, 109, 102 • Determine whether -480 belongs to this
1. 3 answers
2. 554 views
An arithmetic sequence begins, 116, 109, 102Find the 300th term of this sequence.
1. 4 answers
2. 1,116 views
Find the inverse of f: R→R given by f(x) = x³ – 2
1. 3 answers
2. 565 views
Determine the domain and range of:y = 5 – [1/ (1 + x)] So, would the domain be all real numbers except -1? And would the range
1. 3 answers
2. 933 views
Find g ° ff(x) = {(1, 2), (2,1), (3,1), (4, 4)} g(x) = {(1, 2), (2,4), (3, 1), (4, 3)}
1. 34 answers
2. 582 views
An archer shoots an arrow horizontally at a target 14 m away. The arrow is aimed directly at the center of the target, but it
1. 2 answers
2. 656 views
f: A→B, g :B→AIs g ° f defined? If so, what is its domain and range? Any suggestions?
1. 11 answers
2. 643 views
So, I uploaded the figure in photobucket, and if you type flutegirl516 in the search bar you will see it's the first photo.F:B�
1. 9 answers
2. 578 views
Hi, I need help with interpreting a figure. You can find it one photobucket. First, type in flutegirl516 in the search bar and
1. 1 answer
2. 449 views
Let f(x^2/3). Find f(S) if S = {1,5,7,11}.
1. 1 answer
2. 290 views
CongruenceTrue or False: (give reason) _ __ 2 ∈ 18 (mod 8) Can someone please help with this problem? I'm confused. . . Thanks
1. 26 answers
2. 1,304 views
Use mathematical induction to prove the truth of each of the following assertions for all n ≥1.n³ + 5n is divisible by 6 I
1. 5 answers
2. 1,040 views
Use mathematical induction to establish the following formula.n Σ i² / [(2i-1)(2i+1)] = n(n+1) / 2(2n+1) i=1 Thanks for any
1. 7 answers
2. 702 views
Use mathematical induction to prove the truth of each of the following assertions for all n ≥1.5^2n – 2^5n is divisible by 7
1. 2 answers
2. 765 views
Theorem: For every integer n, if x and y are positive integers with max(x, y) = n, then x = y.Basic Step: Suppose that n = 1. If
1. 12 answers
2. 2,038 views
Find f(1), f(2), and f(3) if f(n) is defined recursively by f(0) = 1 and for n = 0, 1, 2, . . .• f(n+1) = f(n) + 2 So, would
1. 11 answers
2. 4,683 views
Why use mathematical induction to get the sum of a sequence? Also, if there are any websites you can recommend that will be a
1. 3 answers
2. 877 views
Solve the recurrence relation a_n = -2a_n-1 + 15a_n-2, n ≥ 2, given a₀ = 1, a₁ = -1.x² + 2x - 15, the distinct roots 3
1. 3 answers
2. 1,140 views
Is this correct?• Using the Principle of Inclusion-Exclusion, find the number of integers between 1 and 2000 (inclusive) that
1. 10 answers
2. 1,999 views
Can someone help? Very confused. . .John Sununus was once the governor of New Hampshire, and his name reminds one of the authors
1. 2 answers
2. 1,013 views
isisDOTpolyDOTedu/courses/discretemath/problemsDOTpdfLink is above can you please take a look? Specifically #21 on pg. 345.
1. 1 answer
2. 439 views
A factory makes automobile parts. Each part has a code consisting of a letter and three digits, such as C117, O076, or Z920.
1. 5 answers
2. asked by Francesca
3. 3,060 views
Gaseous nitrogen has a density of 1.17 kg/m3 and liquid nitrogen has a density of 810 kg/m3.[The relative molecular mass of
1. 2 answers
2. 1,244 views
Two cars collide head on while each is travelling at 80 km/hr. Suppose all of theirkinetic energy is transformed into thermal
1. 4 answers
2. 4,939 views
1.) Express each decimal number as an 8-bit binary number in the 2's complement form and then find the negative of the
1. 4 answers
2. 4,643 views
Imagine that you are a system administrator for a company, and that the company operates from two locations Phoenix and Boston.
1. 1 answer
2. 448 views
1.) Encrypt the hexadecimal message F9E8 using the Rail Fence cipher for binary numbers with 3 Rails. [Give answer in
1. 3 answers
2. 585 views
1.) Encrypt the hexadecimal message F9E8 using the Rail Fence cipher for binary numbers with 3 Rails. [Give answer in
1. 1 answer
2. 525 views
How do I solve for negative modular arithmetic?Here is an example: -45 mod 13 = 7, but how?
1. 1 answer
2. 474 views
How do I solve for negative modular arithmetic?Here is an example: -45 mod 13 = 7, but how?
1. 5 answers
2. 460 views
Find the value of x:20x ≡ 9 (mod 15)
1. 1 answer
2. 474 views
The balance sheet of Burger King reports current assets of $30,500 and current liabilities of $15,800.Calculate the current
1. 2 answers
2. 568 views
Data given are related to the Born-Haber cycle for HClCalculate the amount of energy lost when the ionic species return to their
1. 1 answer
2. 496 views
Can someone please help me find the derivative of the following:y = (-9e^7x) / (5x+3) Thank you!
1. 6 answers
2. 429 views
Solve for x..006x^3=8889 x = approx 114, but I don't understand how to get that answer. Can anyone help me solve? Thank you!
1. 3 answers
2. 441 views
1.) Find the producers' surplus if the supply function is: S(q) = q^7/2+3q^5/2 + 54. Assume the supply and demand are in
1. 2 answers
2. 601 views
how do you solve: 4=1(2)/(x-2)Thank you!
1. 3 answers
2. 260 views
Neville Corporation, an amusement park, is considering a capital investment in a new exhibit. The exhibit would cost $174,777
1. 1 answer
2. 994 views
Sierra Company is considering a long-term investment project called ZIP. ZIP will require an investment of $121,200. It will
1. 1 answer
2. 513 views
An income-producing property is priced at $600,000 and is expected to generatethe following after-tax cash flows: Year 1:
1. 2 answers
2. 1,089 views
Calculate the morality of a solution that contains a 4.0 mol of a solute dissolved in 12.0L of solution
1. 3 answers
2. 864 views
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The
1. 3 answers
2. 1,601 views
A baseball is hit off the edge of a cliff horizontally at a speed of 30 m/s. It takes the ball 3 seconds to reach the ground,
1. 3 answers
2. 571 views
What is water treatment? Is it also the same with water filtration? Please answer! Thanks
1. 4 answers
2. 372 views
on an island without squirrels some squirrels are introduced. a mathematical model of the population growth of squirrels on the
1. 4 answers
2. 656 views
Please suppose that the actual temperature is above 32 degrees F but the wind chill or real feel temperature is below 32 degrees
1. 1 answer
2. 440 views
a rectangular swimming pool is 5 feet longer than it is wide. if a concrete walk 2 feet wide is placed around the pool, the area
1. 1 answer
2. 268 views

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