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Post New Question
All Questions
+0
231266 Questions
0
369
2
Help Algebra
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 = + ab + ac + bc = 81.
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Guest
Jun 14, 2021
0
291
1
Help pls
Alex has a bag with 4 red marbles and 2 blue marbles. He draws a marble from the bag, sets it aside, and then draws another marble from the bag. What is the probability that both marbles that Alex drew are red? (Write your answer as a simplified fraction.)
read more ..
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Guest
Jun 14, 2021
0
344
2
Help number theory
How many different positive values of x will make this statement true: there are exactly 3 positive two-digit multiples of x.
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Guest
Jun 14, 2021
0
418
1
I need help...Please help me :D
After a weekend of rock climbing in the white mountains, dylan is climbing down a 400-foot cliff. It takes 20 minutes to descent the first 60 feet. Assuming that dylan makes progress at a steady rate, write an equation that expresses dylan's height h (in
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Guest
Jun 14, 2021
0
350
2
Help with polynomial
Let f(x) = x^4+ax^3+bx^2+cx+d, where a,b,c,and d are real numbers. Suppose the graph of y=f(x) intersects the graph of y=2x+3 at x =1,2,3. What is the value of f(0) + f(4)?
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Guest
Jun 14, 2021
0
414
1
HELP NOW PLS
Alex has a bag with 4 red marbles and 2 blue marbles. He draws a marble from the bag, sets it aside, and then draws another marble from the bag. What is the probability that both marbles that Alex drew are red? (Write your answer as a simplified fraction.)
read more ..
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Guest
Jun 14, 2021
0
356
2
Help coordinates
What is the area in square units of the convex quadrilateral with vertices (-1, 0), (0, 1), (-2, 0) and (0, -3)?
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Guest
Jun 14, 2021
+1
530
1
+85
Not sure where to start on this one
Polyhedron is inscribed in a sphere of radius (meaning that all vertices of lie on the sphere surface). What is the least upper bound on the ratio In other words, what is the smallest real number such that must be true for all polyhedra
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FeedMePi
Jun 14, 2021
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394
2
How many square inches are in 60 square feet?
Which expression converts 100 inches per minute to feet per minute?
×
×
×
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Guest
Jun 14, 2021
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319
1
need help
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
Jun 14, 2021
0
358
1
geometry
The area of a square equals the square of a length of the side of the square. The perimeter of a square equals the sum of the lengths of all four sides. The sum of the areas of two squares is 65, while the difference in their areas is 63. Find the sum of
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Guest
Jun 14, 2021
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339
1
Q on Domain
How many real numbers are not in the domain of the function
f(x) = 1/(x - 64) + 1/(x^2 - 64) + 1/(x^3 - 64) + 1/(x^4 - 64)
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Guest
Jun 14, 2021
0
325
1
help function
What real values of x are not in the domain of
$f(x) = \frac{1}{|x^2 + 3x - 4| + |x^2 + 9x - 10|}$
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Guest
Jun 14, 2021
0
225
0
respost bc ignored ://
https://web2.0calc.com/questions/halp-due-soon
:(( tyy
Guest
Jun 14, 2021
0
241
1
Почему получается с минусом ?
1/(2*3.14*2)*ln(2*(0.5/(219+2*42))+sqrt((4*0.25)/(219+2*45)^2) ) *((219+2*42)/219) Почему выходит с минусом ?
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Guest
Jun 14, 2021
0
325
1
HELP I REALLY TRIED
If (x, y ) is a solution to the system of equations and , find
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Guest
Jun 14, 2021
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337
1
Help algebra
Let y = (x - 3)/(x + 1). The equation can be expressed in the form (x+a)(y+b)=c. Find a, b, c.
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Guest
Jun 14, 2021
0
377
1
help
Find an integer N such that sqrt75 − sqrt12 is between N and N + 1. sqrt=square root
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Guest
Jun 14, 2021
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364
1
Algebra
Two parabolas are the graphs of the equations y = 2x^2 - 7x - 1 and y = 8x^2 - 2x - 5. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
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Guest
Jun 14, 2021
0
333
1
help
The population of Smallville increased by 20% from 2000 to 2005, and it increased by 30% from 2005 to 2010. By what percent did the population of Smallville increase from 2000 to 2010?
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Guest
Jun 14, 2021
0
366
2
halp
Can someone tell me how bases work? My teacher was teaching them to us and I can't figure it out.
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Guest
Jun 14, 2021
0
282
2
Coordinates question
The circle centered at (2,-1) and with radius 4 intersects the circle centered at (2,5) and with radius sqrt(17) at two points A and B. Find (AB)^2.
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Guest
Jun 14, 2021
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