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Post New Question
All Questions
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233058 Questions
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198
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Functions
Let c(a,b,c) = a/b + b/c + c/a. Compute c(2,12,3).
Guest
Oct 11, 2021
0
317
1
Domain
Let f(x) = (3x + 7)/(x + 7). Let Find the domain of f. Give your answer as an interval.
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Guest
Oct 11, 2021
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337
1
Trig Question!
The image isn't uploading properly, but it's a triangle in which side AB = 13 degrees, side BC = 20 degrees, and side AC = 21 degrees. They want me to find sin(C). I've figured out that C is 36.87 degrees (and B is 75.75 degrees), but I have no
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Guest
Oct 11, 2021
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277
1
Please help!
Let a,b,c,d,e,f, be nonnegative real numbers.
(a) Prove that
(b) Prove that
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Guest
Oct 11, 2021
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175
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Algebra
For a certain value of k, the system
x + y + 3z = 10,
-4x + 3y + 6z = 7,
kx + z = 3
read more ..
Guest
Oct 11, 2021
0
321
1
Graphing
What is the smallest distance between the origin and a point on the graph of y = (2x - 8)/2?
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Guest
Oct 11, 2021
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230
1
Functions
If a * b = a^b + b^a, for all positive integer values of a and b, then what is the value of 2 * 4?
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Guest
Oct 11, 2021
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204
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Operations
For any three real numbers a, b, and c, with $b \neq -c$, the operation P is defined by
\[P(a,b,c) = \frac{a}{b + c}.\]
What is P(P(1,2,3),P(2,3,1),P(3,1,2))?
Guest
Oct 11, 2021
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319
1
Geometry
A rectangle has a perimeter of 30 units and its dimensions are whole numbers. What is the maximum possible length of the diagonal of the rectangle?
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Guest
Oct 11, 2021
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188
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Geometry
The perimeter of a rectangle is 24 inches. What is the number of inches in the maximum diagonal for this rectangle?
Guest
Oct 11, 2021
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264
1
Algebra
Find all cube roots of 8i.
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Guest
Oct 11, 2021
+2
380
1
+102
Pascal's Triangle
Can somebody prove that ?
Thanks,
AnxiousLlama
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AnxiousLlama
Oct 11, 2021
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276
1
precalculus vectors
Let be a vector of length , and let and be vectors such that
Enter in the numbers
below, in the order listed above. If any of these cannot be uniquely determined
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Guest
Oct 11, 2021
0
338
1
Algebra
There are two distinct solutions x to the equation 18 + 5x^2 = 30x. If each solution is rounded to the nearest integer, and then these two integers are multiplied together, what is the result?
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Guest
Oct 11, 2021
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379
3
help with functions! (last given answer was incorrect.) Thanks!
What is the smallest distance between the origin and a point on the graph of
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Guest
Oct 11, 2021
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205
0
Algebra
Given that a > 0, if f(g(a)) = 8, where f(x) = x^2 + 8 and g(x) = x^2 - 2, what is the value of a?
Guest
Oct 11, 2021
0
185
0
Quadratic
For specific positive numbers m and n, the quadratics 16x^2 + 32x + 56 - 12x + 14 and (mx + n)^2 differ only in their constant term. What is mn?
Guest
Oct 11, 2021
0
246
1
work
the largo middle school needs new unifroms the students plan to sell plush tigers the school mascot for 5 dollars the students find 3 compaines online that sell stuffed mascots
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Guest
Oct 11, 2021
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193
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Algebra
If the two roots of the quadratic 7x^2 + 3x + k = 0 are $\frac{-3 \pm i \sqrt{271}}{14}$, what is k?
Guest
Oct 11, 2021
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171
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Functions
Let f(x) = 2x+1 and g(x) = f(2x - 3). What is g(g(2))?
Guest
Oct 11, 2021
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176
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Algebra
Find the largest value of $n$ such that 5x^2+nx+40 can be factored as the product of two linear factors with integer coefficients.
Guest
Oct 11, 2021
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317
1
Complex Roots
The values of x such that
2x^2 - 6x + 5 = -4
are m + ni and m - ni, where m and n are positive. What is mn?
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Guest
Oct 11, 2021
0
322
1
What is the smallest distance between the origin and a point on the graph of ?
What is the smallest distance between the origin and a point on the graph of ?
(ignore the $ signs)
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Guest
Oct 11, 2021
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256
4
Geometry
The tangent to the circumcircle of triangle WXY at X is drawn, and the line through W that is parallel to this tangent intersects at Z. If XY = 14 and $WX = 5$ find YZ.
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Guest
Oct 11, 2021
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234
1
Operation
The operation * is defined for non-zero integers as follows: a*b = 1/a + 1/b. If a + b = 9 and ab = 18, what is the value of a * b? Express your answer as a common fraction.
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Guest
Oct 11, 2021
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