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231301 Questions
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2586
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+296
A partition of a positive integer n is any way of writing as a sum of one or more positive integers, in which we don't care about the
A partition of a positive integer n is any way of writing as a sum of one or more positive integers, in which we don't care about the order of the numbers in the sum.
For example, the number 4 can be written as a sum of one or more
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Darkside
Feb 4, 2019
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567
1
How would one calculate percent with ppm and promille, for example What is 11% in parts per milion
How would one calculate percent with ppm and promille, for example
What is 11% in parts per milion
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Guest
Feb 4, 2019
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482
0
word problem
Phill Black, a former Navy SEAL instructor has developed a game called the Push Up Game (PUG for short). The game consists of drawing a card from the FitDeck, a pack of 56 cards, and doing the exercise listed on the card (many are different variations on
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Guest
Feb 4, 2019
+1
1
269
1
+11
word problem
Phill Black, a former Navy SEAL instructor has developed a game called the Push Up Game (PUG for short). The game consists of drawing a card from the FitDeck, a pack of 56 cards, and doing the exercise listed on the card (many are different variations on
read more ..
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ford4968
Feb 4, 2019
0
780
1
help please
Let be k the smallest positive integer such that the binomial coefficient is less than the binomial coefficient. Let a be the first (from the left) digit of and let b be the second (from the left) digit of k. What is the value of 10a+b?
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Guest
Feb 4, 2019
0
1324
4
help
A geometric series has a sum of 180. Assuming that the common ratio of that series is 7/4, find the sum of the series
In a geometric sequence of real numbers, the sum of the first six terms is 9 times the sum of the first
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Guest
Feb 4, 2019
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381
1
help
The sum of a geometric series whose first three terms are 8000, -12000, and 18000 is 57875. What is the last term of the series?
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Guest
Feb 4, 2019
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1
681
4
Help plz.
Sarah made an 82% on her first test. What must she get on her next test to have an average of at least 90%? (assume 100 points per test) (it must be done algebraically to be correct).
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Guest
Feb 4, 2019
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1647
2
Pls long explanation need help fast pls
Consider a convex quadrilateral with vertices at p, q, r and s and on each side draw a square lying outside the given quadrilateral, as in the picture below. Let p,q,r and s be the centers of those squares:
a)
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Guest
Feb 4, 2019
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562
1
USA Todsay
USA Today reported that a survey showing a starting salary for a person with a degree in computer science was expected to be close to $38,000 (rounded to the nearest thousand). This is approximately a 1 ¼ times greater than a starting salary of a person
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ElectricPavlov
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Guest
Feb 4, 2019
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311
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Power Regression
r= 3%, t=36.62
r=5%, t= 21.97
r=7%, t=15.69
r=9%, t=12.21
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Guest
Feb 4, 2019
0
2
4249
2
Compounded Interest
Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, montly, daily and continuously.
r=11%
a) annually
b) monthly
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Guest
Feb 4, 2019
+1
458
4
Help plz. Did I get this right?
3x + 3 (x-1) < 7 - 2x + 6
I got 2 < x.
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Guest
Feb 4, 2019
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443
5
Help
2x - 7 (is less than or equal to sign) 3x + 10
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Guest
Feb 4, 2019
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1507
1
4 to what power is 1/4
4 to what power is 1/4
ElectricPavlov
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Guest
Feb 4, 2019
Feb 3, 2019
0
782
2
+283
help
Find the largest value of r such that 6r^2 + 7r + 8 = 6.
I tried to factor it out so that it was (3r + 2)(2r + 1) where r = 2/3 and r = 1/2 but 2/3 was the incorrect answers so idk...
ElectricPavlov
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ANotSmartPerson
Feb 3, 2019
0
2019
1
help
A railroad trestle spans a gorge 80 feet wide and connects two cliffs at heights of 112 and 172 feet above the bottom of the gorge. A train is crossing this gorge from the higher cliff to the lower. When the front of the train has traveled 3/4 of the trestle's
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Guest
Feb 3, 2019
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526
1
help
Suppose 5 different integers are randomly chosen from between 20 and 69, inclusive. What is the probability that they each have a different tens digit?
ElectricPavlov
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Guest
Feb 3, 2019
0
530
3
help plz
Find the greatest a such that .
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Guest
Feb 3, 2019
0
437
1
trig
http://prntscr.com/mg74lo
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Guest
Feb 3, 2019
0
728
1
+1245
Help!
What is the radius, in inches, of a right circular cylinder if its lateral surface area is 3.5 square inches and its volume is 3.5 cubic inches?
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Lightning
Feb 3, 2019
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