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Post New Question
All Questions
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237644 Questions
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2074
1
interest
Hans invests $550 at a rate of x% per year compound interest. At the end of 10 years, the value of the investment is $638.30, correct to the nearest cent. Find the value of x.
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Guest
Oct 7, 2017
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752
1
hi. my name is josh and i have a maths question
what is 17 to the power of 20? i need this to be answered
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Guest
Oct 7, 2017
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608
1
HELP
2/3 of 23
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Guest
Oct 7, 2017
0
1564
5
hard factorial question
6 × 6! + 7 × 7! + 8 × 8! + 9 × 9! + 10 × 10! + 11 × 11! + 12 × 12! + 13 × 13! + 14 × 14! = a! - b!
a + b= ?
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Guest
Oct 7, 2017
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544
0
Question
Find a+b+c given that x+y doesn't equal -1.
Guest
Oct 7, 2017
0
1572
2
Algebra
A certain organism begins as two cells. Each cell splits and becomes two cells at the end of three days. At the end of another three days, every cell of the organism splits and becomes two cells. This process lasts for a total of 15 days, and no cells die
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Guest
Oct 7, 2017
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1378
1
Compute the sum of the geometric series $-1 + 2 - 4 + 8 - \cdots + 512$.
Compute the sum of the geometric series $-1 + 2 - 4 + 8 - \cdots + 512$.
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Guest
Oct 7, 2017
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837
1
Circle Vertices
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Guest
Oct 7, 2017
0
902
2
Ratios
I know the answer but I need it explained
At a golf tournament involving 84 golfers the ratio of juniors to seniors is 5:7. How many junior goflers and how many senior golfers are playing in the tournament?
pls help
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Guest
Oct 7, 2017
0
1190
2
Cotan Q = tan 21 25’ 21.02” . cos -7 20’ 36” : sin 70 33' 1.75” – sin -7 20’ 36” . cotan 70 33' 1.75”
Cotan Q = tan 21° 25’ 21.02” . cos -7° 20’ 36” : sin 70° 33' 1.75” – sin -7° 20’ 36” . cotan 70° 33' 1.75”
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Guest
Oct 7, 2017
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884
1
ما هو الcos
ما هو الcos
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Guest
Oct 7, 2017
0
1304
6
+171
what is the perimeter whose area is 387cm2
what is the perimeter whose area is 387cm2
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BOSEOK
Oct 7, 2017
-1
1739
18
+109
In class we saw that the sum of the entries of row $n$ of Pascal's Triangle is $2^n$. In this problem we investigate the sums of the squares
In class we saw that the sum of the entries of row $n$ of Pascal's Triangle is $2^n$. In this problem we investigate the sums of the squares of the entries of row $n$ of Pascal's Triangle.
(a) Compute the sums of the squares of Rows 1-4 of Pascal's
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Jeff123
Oct 7, 2017
0
658
1
Help please
Assuming that x doesn't equal to -3 simplify ((8x-4)/(x+3))-((12x-20)/(2x-6))
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Guest
Oct 7, 2017
Oct 6, 2017
0
991
1
Calculus - Secant Curve, Tangent line and Slope of Tangent line HELP
I got some values, but i would like to get a break down how to approach a problem like this. I have a book but it doesnt explain steps the way that helps me. I plugged in the X values into the function and got values from 0.9-1.01. But i dont know what
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Guest
Oct 6, 2017
0
685
1
answer pls?
A triangle has sides of length 16.1 inches, 16.1 inches, and 14.9 inches. What is the perimeter?
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Guest
Oct 6, 2017
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1079
1
What is 1/2 in base 3? (b) What is 1/7 in base 8?
For each part of this problem, convert the fraction to a "decimal" in the specified base.
(a) What is 1/2 in base 3?
(b) What is 1/7 in base 8?
(c) What is b-1 in base b?
Be sure to include complete explanations with your
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Guest
Oct 6, 2017
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744
1
Topic
what major algebra topic did each of the following contribute? John Napier, Maria Agnesi, and Srinivasa Ramanujan
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Guest
Oct 6, 2017
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684
1
Equations
Give me two real life examples of polynomial equations
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Guest
Oct 6, 2017
0
695
1
Mathematician
which mathematicians are known for first using the following symbols ...i,e,! and ±
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Guest
Oct 6, 2017
0
2350
1
+619
Find the sum of the real values of $x$ such that the infinite geometric series $x+\frac{1}{2}x^3+\frac{1}{4}x^5+\frac{1}{8}x^7+\dots$ is equ
Find the sum of the real values of $x$ such that the infinite geometric series $x+\frac{1}{2}x^3+\frac{1}{4}x^5+\frac{1}{8}x^7+\dots$ is equal to $-12$.
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michaelcai
Oct 6, 2017
+1
1076
7
+314
need.help.
If the unit value of the square root of 17 is represented as x and its (sq root 17) decimal value is represented by y, x^2+(1/y)?
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ISmellGood
Oct 6, 2017
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