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Post New Question
All Questions
+0
231317 Questions
0
1643
2
The surface area of a sphere with a diameter of 12 units is:
The surface area of a sphere with a diameter of 12 units is:
A;427.0
B:452.2
C:703.4
read more ..
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Guest
Jun 12, 2020
0
505
1
help
If two real numbers have a sum of 8 and a product of 14. What is the sum of their reciprocals?
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Guest
Jun 12, 2020
0
683
1
+4
Pre-calculus questions (please answer urgently if you can!)
1. What is the value of the modulus of 6−4i?
Enter your answer as a simplified radical in the box.
2. How is multiplying 3−2i by i2 represented on the complex plane?
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mikeyosefj
Jun 12, 2020
0
574
2
PLEASE ANSWER QUICK
Let f(x)=x+2x^2+3x^3+4x^4+5x^5+6x^6 , and let S=[f(6)]^5+[f(10)]^3+[f(15)]^2. Compute the remainder when S is divided by 30.
off-topic
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Guest
Jun 12, 2020
0
447
1
please help! due today
Prove that there exists a positive integer N such that there are at least 2005 ordered pairs (x, y) of non-negative integers x and y, satisfying x^2+y^2=N.
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Guest
Jun 12, 2020
0
525
1
Let f be defined by . Calculate .
Let f be defined by . Calculate .
I tried solving this...to find , then I'd need to find the x that makes f(x) equal to 0, right? So I solved both equations for 0, for 3-x, x=3. For , x can be 0, -1, or 3. But after
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Guest
Jun 12, 2020
0
848
3
HELP PLZ
I run a book club with n people, not including myself. Every day, for 365 days, I invite five members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of five members
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Guest
Jun 12, 2020
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488
1
find the value of the constant
1300=1344.63709595+1.73251550T+0.00058844T^2+0.00011503T^3
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Guest
Jun 12, 2020
+1
484
1
hlp equation
plz help urgently help appreciated
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Guest
Jun 12, 2020
0
500
1
plz help due today
plz help onyl the top one
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Guest
Jun 12, 2020
0
566
5
help
What is the unit digit of the following product:
684 * 59 * 413 * 76
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Guest
Jun 12, 2020
0
489
3
help
Find X + Y.
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Guest
Jun 12, 2020
0
588
2
help
If 3^x = 5 and 5^y = 9, then find xy.
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Guest
Jun 12, 2020
+1
597
3
+308
healeaelp
Billy is playing the board game, Tactical Naval Exercises. Admiral Billy has 120 battleships, 96 fast-attack submarines, and 168 paddle boats. Billy plans to deploy all of his ships by separating them into as many identical smaller fleets as possible. How
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notsmart2.0
Jun 12, 2020
-1
942
4
Explain how a marshland could prevent flooding in a nearby town.
Explain how a marshland could prevent flooding in a nearby town.
off-topic
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Guest
Jun 12, 2020
0
597
1
help please
The area of rectangle ABCD is 40, with AB = 8. M is the midpoint of AB, and N lies on CD such that CN = 2. Find the area of quadrilateral MBCN.
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Guest
Jun 12, 2020
0
349
0
help
A carpenter is working on a deck. He hires two assistants who work 60% as fast as he works. If all three work together on the deck, they should finish in what fraction of the time that he would take working alone?
Guest
Jun 12, 2020
0
652
3
i need some help on this..
If , what is the exact value of ? Express your answer as a common fraction.
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Guest
Jun 12, 2020
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325
1
help
The positive integer x satisfies (10! + 11! + 12!)/10! = x^2. Find x.
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Guest
Jun 12, 2020
0
726
2
Help!
In the figure, angle ABC and angle ADB are each right angles. Additionally, AC = 17.8 units and AD = 5 units. What is the length of segment DB?
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Guest
Jun 12, 2020
0
562
2
+80
I need small help
A bag contains five white balls and four black balls. Your goal is to draw two black balls.
b)You draw two balls at random. Once you have drawn two balls, you put back any white balls, and redraw so that you again have two drawn balls.
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Sarvajit
Jun 12, 2020
0
379
1
help
The sequence a_n satisfies a_0 =1 and for n > 0. Find a_{100}.
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Guest
Jun 12, 2020
0
610
3
help
A side of one equilateral triangle is congruent to an altitude of another equilateral triangle. What is the ratio of their areas?
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Guest
Jun 12, 2020
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