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Post New Question
All Questions
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234773 Questions
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349
1
help geometry
Circle O and circle P, with radii 3 and 8, respectively, are both tangent to line l at H. Enter all possible lengths of OP separated by commas.
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Guest
Aug 23, 2021
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358
1
Logarithm
For what x will $7-\log_{36}{x}+\frac{13}{2}=13$ ?
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Guest
Aug 23, 2021
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198
0
Domain question
If $f(x)$ is a function whose domain is $[-1,1]$, and $g(x)=f(x^2)$, then the domain of $g(x)$ is an interval of what width?
Guest
Aug 23, 2021
0
384
1
+197
help please asap!
If , and is a polynomial such that the degree of is 3, then what is the degree of ?
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icecreamlover
Aug 23, 2021
0
337
3
Fractions
A man loses $\frac{1}{3}$ of money in first round,$\frac{3}{5}$ of remaining in second,$\frac{4}{7}$ of remaining in third.Find the amount he is left with.
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Guest
Aug 23, 2021
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258
0
f(x)has a degree of 3. The constant term of f (x) is 0. f (x)has a zero at -6 with a multiplicity of 2. It is also known that f(1)=-174
f(x)has a degree of 3. The constant term of f (x) is 0. f (x)has a zero at -6 with a multiplicity of 2. It is also known that f(1)=-174
What would be the formula?
Guest
Aug 23, 2021
Aug 22, 2021
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212
0
need help
Find the largest value of x for which
x^2 + y^2 = x + y + 4
has a solution, if x and y are real.
Guest
Aug 22, 2021
0
286
1
help math
You have 3 quarters, 5 dimes, 7 nickels, and some pennies.-If the ratio of dimes to the total number of coins you have is 1:3, how many pennies are there?
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Guest
Aug 22, 2021
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285
1
You forgot to answer it
https://web2.0calc.com/questions/help-me-on-this-question_5
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Guest
Aug 22, 2021
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256
1
Logarithm Problem, Please Help!
Find $a/b$ when $2\log{(a -2b)} = \log{a} + \log{b}$.
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Guest
Aug 22, 2021
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356
1
Algebra
Simplify $\frac{\sqrt{72}}{\sqrt{25}}$. Your answer should have an integer denominator.
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Guest
Aug 22, 2021
+1
375
1
+197
help
Andy had as many marbles as Tom. Andy then gave of his marbles to Tom. Tom then had 204 more marbles than Andy. How many marbles did Andy have at first?
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KINGCASH
Aug 22, 2021
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247
0
help geometry
1) Let ABCDE be a regular pentagon. Prove that AC bisects angle BCE and AD bisects angle BDE.
2) In quadrilateral BCDE, CBD = 31 degrees, CED = 47 degrees, BCE = 85 degrees. Find angle BDE.
Guest
Aug 22, 2021
0
346
1
Factors
What is the number of total factors for (a^3b^5)^4 if a and b are two different primes?
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Guest
Aug 22, 2021
0
276
2
Probability
3 cards are chosen at random from a standard 52-card deck. What is the probability that they can be arranged into a group of three consecutive cards, all of the same suit? For this problem, an Ace can either come before a 2 or after a King, but not both
read more ..
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Guest
Aug 22, 2021
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258
1
Algebra
order from least to greatest:
$\sqrt{21}$, $\sqrt[3]{27}$, $-\sqrt{64}$, $\sqrt[4]{25}$, $\sqrt{40}$, $-\sqrt[3]{81}$
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Guest
Aug 22, 2021
0
227
0
Algebra
The solutions of x(3x-7) = -1 may be expressed in the form m + sqrt n / p and m - sqrt n / p , where m, n, and p have a greatest common divisor of 1. Find m+n+p.
Guest
Aug 22, 2021
0
265
1
Inequality
Find all values of y which do not satisfy
1 <= 4 - 3y < 10.
Express your answer in interval notation.
read more ..
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Guest
Aug 22, 2021
0
467
1
Help algebra
There exist two positive integers c such that the equation
5x^2 + 11x + c = 0
has rational solutions. Find the product of these two values of c.
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Guest
Aug 22, 2021
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230
0
Complex Numbers
Express (4-5i)(-5-5i) in the form a+bi , where a and b are integers and i^2=-1.
Guest
Aug 22, 2021
0
233
0
Counting
Catherine rolls a 6-sided die five times, and the product of her rolls is 1500. How many different sequences of rolls could there have been? (The order of the rolls matters.)
Guest
Aug 22, 2021
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207
0
Algebra
Let a and b be the solutions to 5x^2 - 11x + 4 = 0 Find: 1/a^2 + 1/b^2.
Guest
Aug 22, 2021
0
420
4
geometry
Triangle ABC has side lengths AB = 13, AC = 15, and BC = 14. Let I be the incenter. Find length BI.
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Guest
Aug 22, 2021
0
252
1
Help with inequality
Let a_1, a_2, ..., a_n be real numbers such that a_1 + 2a_2 + ... + na_n = 1. Find the minimum value of a_1^2 + 2a_2^2 + ... + na_n^2.
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Guest
Aug 22, 2021
0
253
1
Help with inequality
f w, x, y, and z are positive real numbers such that w + 2x + 3y + 4z = 8, then what is the maximum value of wxyz?
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Guest
Aug 22, 2021
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