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Post New Question
All Questions
+0
234944 Questions
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412
2
Fractions
Ferran has to sell 20 buttons to raise money for the art club. He sold 1/2 of the buttons to her neighbors and 1/2 of the remainder to his friends. How many buttons did Ferran have left to sell?
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Guest
Apr 16, 2021
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407
2
Ratios kcuf
The ratio of Jason’s magnets to Kyle’s magnets is 2:7. If Kyle has 56 magnet, how many magnets does Jason have?
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Guest
Apr 16, 2021
0
327
1
number theory
x,y, and z are positive integers such that gcd(x, y, z) = 14 and lcm(x, y, z) = 630 and y = 3x. What is the smallest possible value of x + y + z?
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Guest
Apr 16, 2021
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289
1
3 Quanities
Darius purchased prizes for the school carnival. There were 3 times as many lollipops as pinwheels and 6 times as many whistles as pinwheels. Darius counted 12 lollipops. How many prizes did Darius purchase in all?
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Guest
Apr 16, 2021
0
298
1
Ratio
The ratio of Armando's toys to Gabe's toys was 6 to 5. Armando gave half of her toys to Gabe. He counted his remaining toys and found that he now had 60 fewer toys than Gabe. How many toys did Armando have at first?
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Guest
Apr 16, 2021
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300
1
Fractions
Corey had 1/9 as many hats as Derek. Derek gave 16 hats to Corey so that they would each have the same amount. How many hats did the two friends have altogether?
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Guest
Apr 16, 2021
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390
1
Fractions
DeShawn had 1/8 as many jellybeans as Antonio. When Antonio gave half of his jellybeans to DeShawn, he then had 10 fewer jellybeans than his friend. How many jellybeans did Antonio have at first?
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Guest
Apr 16, 2021
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258
0
A question
Who keeps on putting hearts on negatives? You know they did not do anything but some questions may not make sense and the questions which make sense seem to get negatives.
Guest
Apr 16, 2021
+1
486
2
+12
Due very quickly!
We define a bow-tie quadrilateral as a quadrilateral where two sides cross each other. An example of a bow-tie quadrilateral is shown below.
read more ..
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FocusedPi
Apr 16, 2021
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354
0
+24
help please !!
Convert r=2/7sinθ−cosθ to rectangular form.
Enter your answer in slope-intercept form. Enter values so that fractions are simplified.
y = ?/?x + ?/?
sneef
Apr 16, 2021
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450
1
Don’t get this problem...
Vera has 10 white socks, 10 black socks, 10 brown socks, 10 blue socks, and 10 red socks. How many socks (at a minimum) must she pull out of her sock drawer to ensure at least one matching pair?
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Guest
Apr 16, 2021
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429
2
arithmetic sequence
Let a1, a2, a3, ... be an arithmetic sequence. If a2/a4 = 3, what is a5/a3?
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Guest
Apr 16, 2021
-1
569
8
help please
Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -4/3 is applied to triangle XYZ, to obtain triangle X'Y'Z'. Let A be the area of the region that is contained in both triangles XYZ and X'Y'Z' .
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Guest
Apr 16, 2021
-1
578
2
Help please
Two lines p and q intersect at X at an angle of 38 degrees. Let A be a point inside the 38 degrees angle formed by p and q Let B the reflection of A through line p and Let c be the Reflection of A through line q. Find angle BAC.
thxxxxx
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Guest
Apr 16, 2021
-1
1635
3
Math Help
A bicycle is classified by the diameter of its tires. For example, a 20-inch bicycle has tires that are 20 inches in diameter.
The number of times a bicycle tire rotates in a given period of time is directly related to the distance traveled in that
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Guest
Apr 16, 2021
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453
1
+501
sum and product of roots
Find $\frac{1}{a-1}+\frac{1}{b-1},$ where $a$ and $b$ are the roots of the quadratic equation $2x^2-7x+2 = 0.$
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ellapow
Apr 16, 2021
0
900
1
+501
factoring
If $x$ and $y$ are positive integers for which $3x + 2y + xy = 115$, then what is $x + y$?
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ellapow
Apr 16, 2021
-1
412
1
Math
During a baseball practice, Harry, Bill and Anthony each put on a cap of a different color. Anthony is not wearing a yellow cap. Bill's cap is neither yellow nor white. Can
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Guest
Apr 16, 2021
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345
1
Math
Leonard has seven 1-dollar bills, three 2-dollar bills and one 5-dollar bill. How many possible ways can Leonard make up a total value of $7?
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Guest
Apr 16, 2021
0
687
1
Help me
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 33. Find the sum of
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Guest
Apr 16, 2021
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416
1
Fraction
Some peanuts were shared equally among 12 boys & 9 girls at first. Each boy then gave 3/4 of his share of peanuts to the girls. As a result, each girl received 28 more peanuts than each boy. Find the total number of peanuts
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Guest
Apr 16, 2021
-1
751
1
Halp
In the diagram, point E lies on line segment AB, and triangles AED and BEC are isosceles. Also, is twice . What is the measure of in degrees?
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Guest
Apr 16, 2021
-1
321
1
Sequences
A sequence with $a_1 = 1$ is defined by the recurrence relation $a_{n + 1} = 2^{n + 1} a_n$ for all natural numbers n. If $a_{23} = 2^p$, then what is p?
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Guest
Apr 16, 2021
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545
7
+81
Please Help ASAP with a Number Theory Question!
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 28 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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TheMathWhiz
Apr 16, 2021
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