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Post New Question
All Questions
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232612 Questions
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328
1
Positive Integers
If x, y and z are positive integers satisfying 13x=17y=19z, find the minimum value of x+y+z.
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Guest
Jul 7, 2021
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368
3
Can someone solve this word problem? (Challenge)
Can someone solve this word problem? Until the high Middle Ages, people in Germany only used honey for sweetening. Since the 19th century, beet has been used as a supplier of sugar. 22 percent of the sugar produced worldwide comes from sugar beet. In 2018,
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Guest
Jul 7, 2021
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324
1
probability question
8 points are spaced around at intervals of one unit around a 2 x 2 square as shown. If 2 of the 8 points are chosen at random, what is the probability that they are more than one unit apart?
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Guest
Jul 7, 2021
+2
417
2
+318
fractions
Bart had 57 less madeleines than Jeff. Bart saved 3/5 of his madeleines while Jeff spent 2/3 of the madeleines. Given that the amount Bart spent was 1/4 of Jeff’s savings, how much did Jeff spend?
apsiganocj
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Tgfromthe4
Jul 7, 2021
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267
2
geometric progression
the nineth term of a sequence is 5+2 all on 3 raise the power n-2 for n less than or equal what is the sum of the fourth and fifth terms? leave your answer in the form x on y where x and y are integers
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Guest
Jul 7, 2021
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355
2
Help me. Plz. Plz. Plz.
Find the ordered pair $(x,y)$ that satisfies the system of equations\begin{align*} x+3y &= -4,\\ 3x -7y &= 36. \end{align*}
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Guest
Jul 7, 2021
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317
3
Please help ASAP
If 5 is 800, what is 2 in 2:5
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Guest
Jul 7, 2021
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338
1
help counting
How many positive 2-digit odd numbers can be formed using 0,1, 2, 3, 4, 5, 6, 7 without repetition?
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Guest
Jul 7, 2021
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203
0
plz help!
Enter (A,B,C,D) in order below if A, B, C, and D are the coefficients of the partial fractions expansion of
(x^3 + x^2 - 2x + 5)/((x^2 - 1)(x^2 - 3x + 2)) = A/(x - 1) + B/(x + 2) + C/(x + 1) + D/(x + 1)^2.
Guest
Jul 7, 2021
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299
1
counting problem
What is the greatest number of points of intersection that can occur when 2 different circles and 3 different straight lines are drawn on the same piece of paper?
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Guest
Jul 7, 2021
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451
2
+198
I need some help with this problem
The circle is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?
ElectricPavlov
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icecreamlover
Jul 7, 2021
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411
1
Three Circles
Two circles, centered at A and B are externally tangent to each other, and tangent to a line L. A third circle, centered at C is externally tangent to the first two circles, and the line L. If the radii of circle A and circle B are 9 and 25, respectively,
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Guest
Jul 7, 2021
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351
1
help triangle
Two side lengths of a triangle are 11 and 19. What is the longest possible integer length of the third side of the triangle?
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Guest
Jul 7, 2021
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344
1
Please Help!
Find the value of B-A if the hraph AX+BY=3 passes through the point (-7, 2), and is parrellel to the graph of x+3y= -5.
Thank you,
Soccerfan123
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Guest
Jul 7, 2021
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233
1
Help Me on Interest
Apparently it didn't format last time so here it is:
Darren has borrowed 100 clams from Ethan at a 10% simple daily interest. Meanwhile, Fergie has borrowed 150 clams from Gertie at a 5% simple daily interest. In how many days will Darren
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Guest
Jul 7, 2021
+2
380
3
Please Help!
Line L1 represents the graph of 3x+4y=-14. Line L2 (-5, 7) passes through the point, and is perpendicular to line L1. If line L2 represents the graph of y=mx+b, then find m+b.
Thank you,
Soccerfan123
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Guest
Jul 7, 2021
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327
1
HELP
Find the remainder when 1^2 + 2^2 + 3^2 + ... + 50^2 is divided by 15.
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Guest
Jul 7, 2021
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213
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halp
List all possible remainders when the first hundred perfect squares 1, 4, 9, ... 100^2 are divided by 13. When solving this problem, what obversation(s) did you make?
Guest
Jul 7, 2021
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367
2
please help :DDD
Find the remainder when 3*3^2*3^3*...*3^43 is divided by 11.
catmg
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Guest
Jul 7, 2021
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328
1
help coordinates
Consider the lines
y = 3x + 5
2y = 4x + 5
3y = x - 2
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Guest
Jul 7, 2021
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321
1
Number Theory
Find the smallest positive base-10 integer composed entirely of 1's and 0's that is divisible by 225.
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Guest
Jul 7, 2021
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274
1
How do I calculate using this symbol ^
1.92^0.54=
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Guest
Jul 7, 2021
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202
0
Algebra
Find the smallest distance between the origin and a point on the parabola y = x^2 - 2.
Guest
Jul 7, 2021
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205
0
need help
A box has a total surface area of 100. The length of the box is equal to twice its width, as well as equal to 8 less than its height. What is the height of the box?
Guest
Jul 7, 2021
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263
1
HALP
Marvin the fly starts at $(0,0).$ Each step, Marvin moves one unit right or one unit up. He is trying to get to the point $(5,7)$. However, at $(4,3)$ there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach $(5,7)$?
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Guest
Jul 7, 2021
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