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All Questions
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157875 Questions
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59
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PLz help im stuck
Find a polynomial q(x) such that (x+1)^3+x^2*q(x) has degree less than 2.
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Guest
Dec 8, 2019
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68
6
need probability help fast!
Every time I use a piece of scrap paper, I crumple it up and try to shoot it inside the recycling bin across the room. I'm pretty good at it: If I shoot 5 pieces of paper at the recycling bin, at least one of them will make it inside the recycling bin with
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Guest
Dec 8, 2019
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45
1
+103
help
Let AB be a leg of the right triangle of least perimeter whose sides have integral lengths, whose hypotenuse is one unit longer than AB, and in which AB > 100. Find AB.
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bigmac
Dec 8, 2019
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72
1
+103
help
Find all ordered triples of real numbers (x,y,z) that satisfy
sqrt(x - y + z) = sqrt(x) - sqrt(y) + sqrt(z)
x + y + z = 8
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bigmac
Dec 8, 2019
0
41
1
help
The points A(-1,4) and B(2,-3) are in rectangular coordinate system. Piont C is on AB with AC:CB = 3:4. Find the coordinates of C.
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Guest
Dec 8, 2019
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45
1
help
In a triangle, the lengths of the three medians are 9, 12, and 15. Find the length of the side to whcih the longest median is drawn.
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Guest
Dec 8, 2019
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44
3
help
An integer is represented by a two-digit base ten numeral. If three times the sum of its digits is added to the integer, the reuslt is the original integer with digits reversed. Finall such positive integers.
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Guest
Dec 8, 2019
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31
0
help
In rectangle ABCD, AB = 6 and BC = 8. Equilateral triangles ADE and DCF are drawn on the exterior of the rectangle. FInd the area of triangle BEF.
Guest
Dec 8, 2019
0
72
1
help
Let a, b, and c be positive integers such that a is the cube of an integer, c = b + 1, and a^2 + b^2 = c^2. Find the least possible value of c.
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Guest
Dec 8, 2019
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31
0
help
In base fifty, the integer x is represented by the numeral CC and x^3 is represented by the numeral ABBA. If C > 0, express all possible value of B in base ten.
Guest
Dec 8, 2019
0
84
5
+220
help!
Find all solutions of the equation |x^2-20x-1|=20.
i don't want the answer, but what am i supposed to do with the absolute value?
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atlas9
Dec 8, 2019
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77
2
+1692
Square-mania
In square ABCD, AD is four centimeters, and M is the midpoint of CD. Let O be the intersection of AC and BM. What is the ratio of OC to OA? Express your answer as a common fraction.
Work:
...
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tommarvoloriddle
Dec 8, 2019
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37
0
help
In triangle ABC, C is 60 degrees and angle A is greater than angle B. The bisector of angle C intersects AB at E. If CE is equal to the geometric mean of AE and EB, then find AE/AC.
Guest
Dec 8, 2019
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71
1
help
Find the sum of the infinite series of whose nth term is 7^{n - 1}/10^n.
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Guest
Dec 8, 2019
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49
2
help
In the five-digit base ten numeral ABCDE, different letters do not necessasrily represent different digits. If this numeral is the fourth power of an integer and if A + C + E = B + D, find the digit C.
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Guest
Dec 8, 2019
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26
0
help
A piece of paper in the shape of an equilateral triangle ABC has AB = 15. When A is folded over to the point D on BC for which BD = 3, a crease is formed along a line that joins a point on AB to a point on AC. Find the length of this crease.
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Guest
Dec 8, 2019
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63
4
help
Find all ordered pairs of real nubmers (a,b) for which 3*sqrt(x - 2y) + 3/sqrt(x - 2y) = 10 and x = ay + b.
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Guest
Dec 8, 2019
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36
1
help
If a is not equal to 0, and if x + y = a and x^3 + y^3 = b, write an equation expressing x^2 + y^2 explicitly in terms of a and b.
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Guest
Dec 8, 2019
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57
1
PLEASE HELP!
Sherry had 7/8 of a cup of sugar in her kitchen, and then she used 1/2 of a cup of sugar to make sweet tea. She used what fraction of her sugar to make sweet tea?
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Guest
Dec 8, 2019
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40
2
Solve for x
x + 8 - 4(x-1) = 2x + 3 solve for x and round to the nearest tenth.
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Guest
Dec 8, 2019
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34
0
help
A unit fraction is a fraction of the form 1/n, where n is an integer greater than 1. Find the two largest unit fractions, each of which is the square of a rational number, whose sum is also the square of a rational number.
Guest
Dec 8, 2019
0
48
1
help
Two men, A and B, start at the same point, walk in opposite directions, and reach their respective destinations, X and Y, each in one hour. Had they exchanged destinations from the start, A would have arrived at Y 35 minutes after B would have arrived
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Guest
Dec 8, 2019
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33
0
help
The coordinates of the vertices of pentagon ABCDE are A(0,0), B(11,0), C(11,2), D(6,2), and E(0,8). The line whose equation is x = k partitions this pentagonal region into two regions of equal real. Find k.
Guest
Dec 8, 2019
0
51
1
+878
EUCLIDEAN ALORTHM?
Help! What is the Greatest Common Factor of 12x and 3x^2+6x?
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ant101
Dec 8, 2019
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