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All Questions
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229704 Questions
0
402
1
help please
How many pairs of perfect squares between 1 and 100 inclusive differ by a prime number?
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Guest
Dec 2, 2019
0
729
1
help
Let f(x) = (x + 1)/(x - 1). What is f(f(2010))?
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Guest
Dec 2, 2019
0
709
1
help
If f is a function such that f(f(x)) = x^2 - 1, then what is f(f(f(f(3))))?
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Guest
Dec 2, 2019
0
405
1
help
William travels to school in two different ways. Either he walks to school and takes the bus home, or he takes the bus to school and walks home. In each case his total travelling time is 40 minutes. If he were to take the bus both ways, his total travelling
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Guest
Dec 2, 2019
0
687
1
help
m and n are the roots of x^2 + mx + n = 0. Find m and n.
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Guest
Dec 2, 2019
0
393
1
help
Let P be the product of three consecutive positive odd integers. Find the largest integer that aways divides P.
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Guest
Dec 2, 2019
+1
571
1
help
If 1/x < 2 and 1/x > -3, then find all possible values of x.
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Guest
Dec 2, 2019
0
604
2
help
What is the value of b in the equation y = 3x + b, given that the line passes through the point (17,21)?
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Guest
Dec 2, 2019
0
978
1
help
Points Q and R are on segment PS, which has length 24. If PQ is half as long as QS, and QR is 3 times as long as RS, how long is RS?
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Guest
Dec 2, 2019
0
612
1
help
If the points (k, k + 2), (0, k - 6), (k - 4, k) all lie on the same line, find k.
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Guest
Dec 2, 2019
0
658
1
help
Find the area of the triangle whose vertices are O(0,0), A(6,3) and B(1, -7).
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Guest
Dec 2, 2019
0
398
0
help
ABC is isosceles with AC = BC. AD bisects angle BAC. If angle B = 72 degrees and CD = 1, then find BD.
Guest
Dec 2, 2019
0
377
1
help
How many 3-digit numbers can be written as the sum of three (not necessarily different) 2-digit numbers?
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Guest
Dec 2, 2019
0
438
1
Stumped
Hi, I need some help on this please.
Angle bisectors AX and BY of triangle ABC meet at point I. Find Angle C in degrees,
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Guest
Dec 2, 2019
-2
1319
1
+135
𝓘𝓯 𝓨𝓸𝓾'𝓻𝓮 𝓝𝓮𝔀, 𝓒𝓸𝓶𝓮 𝓑𝓮 𝓐 𝓗𝓮𝓵𝓹𝓯𝓾𝓵 𝓤𝓼𝓮𝓻 𝓗𝓮𝓻𝓮 𝓐𝓽 𝓦𝓮𝓫2.0𝓬𝓪𝓵𝓬!!!
ιғ yoυr new go learn aвoυт weв2.0calc down вellow ιn ѕтιcĸy тopιcѕ or clιcĸ нere [¤¤¤¤welcoмe тo weв2.0calc¤¤¤¤] тo geт тнe rυleѕ and alѕo тo learn нow тo вecoмe a нelper. ----- нope тo нave yoυ parт oғ тнe weвcalc тeaм "𝙞𝙩𝙨 𝙣𝙤𝙩
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off-topic
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killersteve27
Dec 2, 2019
0
444
0
geometry
Based on the shortest leg of the triangle illustrated, if a similar triangle on the coordinate plane has its shortest leg defined by the points (-2, 4) and (-6, 0), what is the third point?
Guest
Dec 2, 2019
0
398
0
help
Let A be the sum of the areas of the squares with sides parallel to the x- and y-axes, and let B be ths sum of the areas of the squares with slanted sides. What is A/B?
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Guest
Dec 2, 2019
0
1352
1
help
The dartboard above is made up of three concentric circles with radii 1, 3, and 5. Assuming that a dart thrown will land randomly on the dartboard, what is the probability that it lands in the green region?
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Guest
Dec 2, 2019
0
355
0
help
A committee of 6 is chosen from 10 men 7 women so as to contain atleast 3 men 2 women. In how many different ways can this be done if two particular women refuse to serve on the same comittee?
Guest
Dec 2, 2019
0
363
1
help
Suppose three fair six-sided dice are rolled. What is the probability that the sum of the numbers obtained equals 18?
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Guest
Dec 2, 2019
0
504
1
help
As shown in the figure, circle of diameter 4 touches the other two circles and the bottom of the rectangle. Circle of diameter 3 touches the top at A and left side of the rectangle. Circle of diameter 6 touches the top at B and two other
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Guest
Dec 2, 2019
0
373
1
help
A man was carrying some eggs with him. He sold 1/2 of all the eggs he had and 1/2 of an egg to a customer. He sold 1/2 of the remaining eggs he had and 1/2 of another egg to another customer. To the third customer, he sold 1/2 of the remaining eggs and
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Guest
Dec 2, 2019
0
420
2
help
Find the remainder of
divided by 673.
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Guest
Dec 2, 2019
0
361
0
help
If the given equilateral triangle has a side measure of 4. What is the sum of the areas of the stacked squares inside it?
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Guest
Dec 2, 2019
0
333
0
help
Find the radius of the semicircle.
Guest
Dec 2, 2019
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