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Post New Question
All Questions
+0
237722 Questions
0
660
1
Very challenging proof question.
Prove that is divisible by 323.
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Guest
Jun 24, 2020
0
759
1
+318
Calc keep getting this marked wrong:(
Find a function f(x) such that f'(x)=8x^2+5 and f (0) =1
:(
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mharrigan920
Jun 24, 2020
0
620
1
help
Factor
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Guest
Jun 24, 2020
0
644
6
help
FInd the largest prime that divides 27! + 28!.
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Guest
Jun 24, 2020
+2
1258
1
+335
Distance in a Plane
The points $(-3,2)$ and $(-2,3)$ lie on a circle whose center is on the $x$-axis. What is the radius of the circle?
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Rayjplayz
Jun 24, 2020
0
640
4
please help
What is the smallest positive multiple of hundred which can be expressed as the product of two consecutive integers?
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Guest
Jun 24, 2020
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1244
1
Help!
The circumference of Earth is 40,000 kilometers. How many trips around Earth could you take if you travel one billion meters?
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Guest
Jun 24, 2020
0
648
1
Help ;-;
Suppose x=x+1. For what value of x is f(f(...(f(x))...)=0? with 2015 f's.
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Guest
Jun 24, 2020
0
473
1
Help me please!
Compute the sum
Please write all of the steps! There was another post on this question, but I didn't get how the guest got the answer.
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Guest
Jun 24, 2020
0
683
10
+34
Send help please!
My brain isn't functioning right now...
On each of the first three days of January, there is a 1/3 chance that it will snow where Bob lives. On each of the next four days, there is a 1/4 chance that it will snow. What is the probability
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AppIePi
Jun 24, 2020
0
544
1
please help!
In how many ways can the 12 face cards from a standard deck can be arranged such that all the Queens are before all the Kings? I have no idea how to do this problem.
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Guest
Jun 24, 2020
+1
819
1
+134
Please help me
A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile for each combination
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ItzMe
Jun 24, 2020
0
449
1
30 mins due. Thanks for the help
The inverse of f(x) = (2x-1)/x+5 may be written in the form f^-1 (x) = (ax + b)/(cx + d), where a,b,c, and d are real numbers. Find a/c.
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Guest
Jun 24, 2020
0
678
3
help
Jack is 13 years older than Bao. In 8 years, he will be twice as old as Bao. How old is Jack now?
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Guest
Jun 24, 2020
0
564
1
quadratic
Find the values of k for which (k + 4)x^2 + (k + 1)x = -1 has equal roots.
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Guest
Jun 24, 2020
0
637
3
calc- integration
it's divergent, but i'm not sure how to actually integrate that thing inside
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Guest
Jun 24, 2020
0
557
1
Help...
Denali and Nate work for a dog walking business and are paid for each dog they walk. Denali is responsible for 16 dogs and Nate is responsible for 12 dogs. Under the company's new policy, they will be assigned or unassigned new dogs in groups
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Guest
Jun 24, 2020
0
1300
2
HELP ME PLZ ASAP!!!!
Each solution to x^2 + 5x + 8 = 0 can be written in the form x = a+bi, where a and b are real numbers. What is a + b^2?
The quadratic x^2-3x+1 can be written in the form ,(x+b)^2+c where b and c are constants.
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Guest
Jun 24, 2020
0
644
7
help!
If the letters TRAPDOOR are randomly arranged in a row, find the probability that the two R's are adjacent and the two O's are adjacent.
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Guest
Jun 24, 2020
+3
834
5
+2096
Shifting Parabolas
A quick question...
When shifting parabolas, why do we represent "shifting to the RIGHT by some number" as "x minus that number"? Shouldn't it be represented as "x PLUS that number"?
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CalTheGreat
Jun 24, 2020
0
573
1
help
Solve the inequality -2(x - 3)(x + 4) > 0.
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Guest
Jun 24, 2020
0
727
2
geometry
A rectangular box has two square ends . Its length is 15 cm grater than the breadth and the total length of its edges is 2.04m .Find its volume .
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Guest
Jun 24, 2020
0
596
4
help me please
please give thorough explanations, i am confused about how to solve this properly... I thought using a^2 - b^2 = (a - b)(a + b) would work, but I don't think it is the most efficient way.
(a) Compute the sum:
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Guest
Jun 24, 2020
0
611
1
please help
I'm confused on these arrangement problems:
9 different books are to be arranged on a bookshelf. 4 of these books were written by Shakespeare, 2 by Dickens, and 3 by Conrad. How many possible permutations are there if the books by
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Guest
Jun 24, 2020
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