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All Questions
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236399 Questions
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278
1
Coordinates
The area of equilateral triangle inscribed in the circle x^2+y^2-4x+8y+11=0 is of the form a*sqrt(b)/c. Find a+b+c.
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Guest
May 8, 2022
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301
2
Help please
There were 180 more bags in shop A than shop B at first. After 1/5 of the bags were transferred from shop A to shop B, there were 24 more bags in shop B than shop A. How many bags were there in shop B at first?
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Guest
May 8, 2022
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236
1
Counting problem
How many of the natural numbers from 1 to 800 inclusive, contain the digit 6 at least once?
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Guest
May 8, 2022
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306
4
Binomial Theorem
Find the constant term in the expansion of (2z - 1/sqrt(z) + z^3)^9.
MaxWong
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Guest
May 8, 2022
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262
1
Help Please
We say that a set of integers is sparse if any two distinct elements in the set differ by at least 3. Find the number of sparse subsets of ${1,2,3,4,5,6,7,8,9,10,11,12}$ (Note that the empty set is also sparse.)
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Guest
May 8, 2022
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233
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counting problem
In how many ways can 3 identical red balls, 3 identical green balls, and 3 identical blue balls be arranged in a 3x3 grid, such that each row and each column of the grid contains 1 ball of each color?
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Guest
May 8, 2022
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303
2
precalc
My cat is standing on the plane $3x+2y+z = 4.$ Its head is at $(0,-1,-3)$ and the tip of its tail is at $(-4,-2,-2).$ Measured from the plane, what is the difference between the height of my cat's head and my cat's tail? Enter your answer in the form $\frac{a
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Guest
May 8, 2022
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277
1
Algebra
The height of an object is given by h = -16t^2 + 137t + 100
Find the two points in time when the object is 148 feet above the ground . Round your answer to the nearest hundredth of a second (two decimal places)
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Guest
May 8, 2022
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272
1
probability
Randomly choose two numbers between 0 and 1. What is the probability that their average is no greater than 2/3 and no less than 1/3?
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Guest
May 8, 2022
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291
1
Algebra
Rewrite the expression g^4 + 12g^2 + 9 - 10g^2 + 8 in the form c(g^2 + p)^2 + q. What is q?
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Guest
May 8, 2022
May 7, 2022
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295
1
Geometry problem
The distance from Capital City to Little Village is 51 miles. From Capital City to Yourtown is 37 miles, from Mytown to Little Village is 8 miles, and from Yourtown to Mytown is miles. How far is it from Mytown to Capital City?
<
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Guest
May 7, 2022
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324
1
Algebra
(2x + 1 + 3x + 1)/((x + 1)(x - 3)(x + 4)) = A/(x + 1) + B/(x - 3) + C/(x + 4)
The above rational fraction is expressed in the form of partial fractions. Evaluate A + B + C.
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Guest
May 7, 2022
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276
1
geometry
In the diagram,\angle U = 30, arc XY is 170, and arc VW is 120. Find arc WY, in degrees.
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Guest
May 7, 2022
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273
1
Polynomial
Let .
f(x) = x^{10}+5x^9-8x^8+7x^7-6x^6+12x^5-4x^4-8x^3+12x^2-5x-5
Without using long division, find the remainder when f(x) is divided by x^2 - 1.
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Guest
May 7, 2022
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297
1
Help!!!!
This is a geometric sequence!!
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Guest
May 7, 2022
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304
2
System
Assuming x, y, and z are positive real numbers satisfying:
xy - z = 15
xz - y = 15
yz - x = 15
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Guest
May 7, 2022
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278
1
Polynomial
Let be a polynomial such that f(0) = 4, f(-1) = 5, and f(2) = 10. Find the remainder when f(x) is divided by x(x + 1)(x - 2).
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Guest
May 7, 2022
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271
1
Graphing
The graph of y=f(x) has the line x=5 as an axis of symmetry. The graph also passes through the point . Find another point that must lie on the graph of y=f(x)
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Guest
May 7, 2022
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284
1
Probability
A bag contains 6 red marbles, 5 blue marbles and 8 green marbles. If three marblesare drawn out of the bag, what is the probability, to the nearest 10th of a percent, that all three marbles drawn will be green?
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Guest
May 7, 2022
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295
1
help
The form of the four-digit numbers FOUR and FIVE is equal to the four-digit number NINE. Different letters represent different digits, and the same letters represent the same digits. Find the least possible value of the number NINE.
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Guest
May 7, 2022
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193
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Parabolas
The graph of y=f(x) is a parabola whose vertex is at (1, -2). The graph of is also a parabola. Where is the vertex of the graph of ?
Guest
May 7, 2022
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232
2
help plz!
Let be an even function defined for all real numbers and let You are told that the graph of passes through the point (2,-2) Then the graph of must also pass through the point (a, b) Enter your answer in
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Guest
May 7, 2022
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297
1
Equation
Find all values of t such that 6^(3t - 1) = 36^t.
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Guest
May 7, 2022
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