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All Questions
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230628 Questions
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204
1
Answer it
https://web2.0calc.com/questions/algebra_22521
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Guest
Jul 11, 2022
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232
1
+113
Help
https://web2.0calc.com/questions/help_33088
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tacoBRO1023
Jul 11, 2022
0
205
1
Functions
The function \[f(\sqrt{x + 1}) = \frac{1}{x}\] satisfies
for all $x \ge -1,$ $x\neq 0.$ Find $f(2)$.
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Guest
Jul 11, 2022
0
206
1
Polynomials
Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 - x^3 +x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)?
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Guest
Jul 11, 2022
0
144
0
complex numbers
Let z = a + bi, where a and b are positive real numbers. If
z^3 - z^2 + z = 0,
then enter the ordered pair (a,b).
Guest
Jul 11, 2022
0
128
0
Number Theory
Suppose a and b are positive integers such that gcd[a,b] is divisible by exactly 7 distinct primes and lcm{a,b} is divisible by exactly 20 distinct primes. If a has fewer distinct prime factors than b, then a has at most how many distinct prime factors?
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Guest
Jul 11, 2022
0
136
0
Polynomial Functions Question
When the polynomial P(x)= ax2 + bx2 + 3x - 2 is divided by x + 1, the remainder is -3. When P(x) is divided by x - 2, the remainder is 3. What are the values of a and b.
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Guest
Jul 11, 2022
0
210
1
help sequence
A sequence with a_1 = 1 is defined by the recurrence relation a_{n + 1} = 2^{n} a_n for all natural numbers n. If a_{23} = 2^p, then what is p?
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Guest
Jul 11, 2022
0
198
1
geometry
In the diagram, point E lies on line segment AB, and triangles AED and BEC are isosceles. Also, angle DEC is twice ADE. What is the measure of EBC in degrees?
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Guest
Jul 11, 2022
0
247
1
+490
Can I please get some hwlp with this?
Can I please get some hwlp with this?
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Elijah
Jul 11, 2022
0
136
0
Coordinates
What is the shortest distance between the circles defined by x^2-24x +y^2-32y+384=0 and x^2+22x +y^2+30y+384=0?
Guest
Jul 11, 2022
0
128
0
Quadratic
Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (7,7). Express your answer in the form "ax^2+bx+c".
Guest
Jul 11, 2022
0
201
1
geometry
An equilateral triangle shares a common side with a square as shown. What is the number of degrees in angle CDB?
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Guest
Jul 11, 2022
0
128
0
у Маши было 10 яблок 5 съела? склько осталось?
у Маши было 10 яблок 5 съела? склько осталось?
Guest
Jul 11, 2022
0
199
1
Algebra
Let y = (x-3)/(x+7) + 1/3
Then this equation can be expressed in the form (x + a)(y + b) = c for some constants a, b, and c . Enter your answer in the form " a, b, c".
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Guest
Jul 11, 2022
0
192
1
Algebra
Solve the following system of equations:
3x-5y=-11
7x+2y=12.
Express your answer as an ordered pair (x,y).
read more ..
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Guest
Jul 11, 2022
0
200
1
Function
the inverse of function f(x) = (2x-2)/(x-5) is written in the form of $f^{-1}(x)=\dfrac{ax+b}{cx+d}$, where a, b, c, and d are all real numbers. Find a/c.
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Guest
Jul 11, 2022
0
195
1
coordinates
Let F, G, and H, be collinear points on the Cartesian plane such that FG/GH=1 If F=(a, b) and H=(a, c), then what is the x-coordinate of G?
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Guest
Jul 11, 2022
0
208
2
help plz
Find the number of triples (a, b, c) of positive integers, such that 1 <= a ,b, c <= 100 and a^2 + b^2 + c^2 = 100.
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Guest
Jul 11, 2022
0
137
0
geometry
The width of a rectangle is 1 foot longer than its length, and the area of the rectangle is 70 ft^2. In feet, what is the rectangle's perimeter?
Guest
Jul 11, 2022
0
121
0
geometry
Points A B and C are on a sphere whose radius is 13. If AB = BC = 12, what is the longest possible value of AC?
Guest
Jul 11, 2022
0
240
1
help algebra
Michael is baking cookies. His cookie recipe calls for 1 4/3 cups sugar and makes 24 cookies. If he wants to scale the recipe to make exactly 18 cookies, how many cups of sugar will he need? Express your answer as a mixed number.
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Guest
Jul 11, 2022
0
177
1
help plz
In Olympic diving, there are seven judges who rate the performance of each dive on a scale from 0 to 10, using half-point increments, where 0 is a failed attempt and 10 is excellent. After each of the seven judges has scored the dive, the two
read more ..
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Guest
Jul 11, 2022
+1
231
2
+13
Help!
Calculate:
The output of an inverse trig function should be in radians.
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Shinigami
Jul 11, 2022
0
219
2
Polynomial
What is the polynomial of f so that f(0)=47, f(1)=32, f(2)=-18, and f(3)=16?
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Guest
Jul 11, 2022
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