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All Questions
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229743 Questions
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165
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Algebra
Find all integers n such that the quadratic 7x^2 + nx - 30 can be expressed as the product of two linear factors with integer coefficients.
Guest
Nov 15, 2021
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328
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Three whole numbers add up to 50 all three numbers.All three numbers must be even. Is it correct?
Three whole numbers add up to 50 all three numbers.All three numbers must be even. Is it correct?
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Guest
Nov 15, 2021
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192
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math problem
sqrt(79 + 24*sqrt(7)) can be written in the form a + b*sqrt(c), where a, b and c are integers and c has no factors which is a perfect square of any positive integer other than 1. Find abc.
Guest
Nov 15, 2021
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213
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use the value 3.14 for π
A dart hits the small circular target shown below at a random point. Find the probability that the dart lands in the shaded square region. The radius of the target is 8cm, and each side of the shaded region is 6cm. Use the value 3.14 for π. Round your answer
read more ..
Guest
Nov 15, 2021
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215
1
Unit6: Similar Triangles
The ratio of the measures of the three triangles in a triangle is 10:3:7 Find the measure of the longest angle
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Guest
Nov 15, 2021
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177
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Inverse functions
Define f(x)=3x-8. If $f^{-1}$ is the inverse of $f$, find the value(s) of x for which $f(x)=f^{-1}(2x)$.
Guest
Nov 15, 2021
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273
1
Algebra
Simplify the expression: ab^2 + 3a^3b - 8ab^2 + 4a^3b^2 + 2a^3b
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Guest
Nov 15, 2021
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385
1
+58
List of mathematical symbols by subject
Maybe someone need this :D
https://en.wikipedia.org/wiki/List_of_mathematical_symbols_by_subject
read more ..
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Babbeln
Nov 15, 2021
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192
1
Math problem
the equation h= 30t - 4.9t^2, represents thw height of a fould ball. the "h" represents the height and the "t" represents the time in seconds. what would the height of the ball be after 4 seconds?
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Guest
Nov 15, 2021
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261
1
polynominal question
Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $a$ be a constant. What is the largest possible degree of $f(x) + a\cdot g(x)$?
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Guest
Nov 15, 2021
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187
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Factoring
Factor the following: -8x^2y^4z^3 + 12x^4yz^3 - 2x^2yz^5
Guest
Nov 15, 2021
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159
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Domain
Suppose a function f(x) is defined on the domain [-8,4]. If we define a new function g(x) by
g(x) = f(2x - 1)
then what is the domain of g(x)? Express your answer in interval notation.
Guest
Nov 15, 2021
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204
1
Function
What is the sum of all real numbers x that are not in the domain of the function
f(x) = 1/(x^2 - 7) + 1/(x^4 - 8) + 1/(x^5 - 9)?
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Guest
Nov 15, 2021
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313
2
Number Theory
Determine all numbers in the number range up to 1000, whose divisor are all natural digits, whereby here the 0 is nonsense.
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Guest
Nov 15, 2021
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172
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Polynomials
Simplify the following (2y-1)(4y^{10}+2y^9+4y^8+2y^7 + y^6) Express your answer as a polynomial with the degrees of the terms in decreasing order.
Guest
Nov 15, 2021
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350
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geometry question
A right triangle has legs of length 6 and b and a hypotenuse of length c . The perimeter of the triangle is 12. Compute c.
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Guest
Nov 15, 2021
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321
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Algebra
In how many different ways can 2/15 be represented as 1/a + 1/b + 1/c, if a and b and c are positive integers with a >= b >= c.
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Guest
Nov 15, 2021
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178
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Algebra
If the roots of the quadratic equation 1/2*x^2 + 99x + c = 0 are x = -99 + sqrt(8021) and x = -99 - sqrt(8021), then what is the value of c?
Guest
Nov 15, 2021
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283
1
help Algebra
Simplify and rationalize the denominator: 1/(1 + 1/(sqrt(3) + 2)).
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Guest
Nov 15, 2021
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390
3
+125
a quick geo problem pls helpppp
The line 2y=3x intersects the ellipse at the points and , what is the length of segment QR?
ty
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Mathlord
Nov 15, 2021
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176
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Coordinates
Consider a coordinate plane with the points A(-3, 0) and B(3, 0). For how many points X in the plane is it true that XA and XB are both positive integer distances, each less than or equal to 5?
Guest
Nov 15, 2021
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221
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Arithmetic sequence
What is the first term if the 10th term of an arithmetic sequence is 39 and the 15th term is 59
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Guest
Nov 15, 2021
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