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Post New Question
All Questions
+0
234773 Questions
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419
2
number theory
Find all positive integers n, less than 17, for which n! is an integral multiple of 49.
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Guest
Jun 21, 2021
0
523
1
plz help
Ginny and Jenna are 20 miles from home. They have one pair of roller skates. Jenna walks 4mph and skates 9mph. Ginny walks 3 mph and skates 8mph. They start for home at the same time.
First, Ginny has the skates and Jenna walks. Ginny skates for
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ElectricPavlov
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Guest
Jun 21, 2021
0
453
3
plz help
Zuleica's mother Wilma picks her up at the train station when she comes home from school, then Wilma drives Zuleica home. They always return home at 5:00 p.m. One day Zuleica left school early and got to the train station an hour early. She then started
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Guest
Jun 21, 2021
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462
1
Let U = {1, 2, 3, 4, 5, 6} and A = {1, 3, 5}. Find A'.
Let U = {1, 2, 3, 4, 5, 6} and A = {1, 3, 5}. Find A'.
a) {1, 3, 5}
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Guest
Jun 21, 2021
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391
2
Maths
https://web2.0calc.com/questions/ratio-question_6
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Guest
Jun 21, 2021
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654
6
anser this question
If (x+1/x):(x-1/x)=5:4, then find the value of x.
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Guest
Jun 21, 2021
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373
1
https://web2.0calc.com/questions/ratio-question_6
https://web2.0calc.com/questions/ratio-question_6
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Guest
Jun 21, 2021
0
429
1
+21
Please help on unit circle question!
Hi, could someone please look at the pic and help me with this unit circle question? Would the correct answer be pi/8, 3pi/8, 5pi/8, and 7pi/8? I'm not sure..... Please help! https://i.stack.imgur.com/U4LAv.png
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nimimimi
Jun 21, 2021
0
449
1
Please help
The expression 6x^2 + 17x + 5 can be written in the form (Ax+1)(Bx+5) where A and B are integers. What is the value of AB?
idyllic
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Guest
Jun 21, 2021
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374
1
Coordinates
Find area of the isosceles triangle formed by the vertex and the x-intercepts of parabola y=x^2-14x-21.
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Guest
Jun 21, 2021
0
420
2
help number theory
A very large number x is equal to $2^2 \cdot 3^3 \cdot 4^4 \cdot 5^5 \cdot 6^6$. What is the smallest positive integer that, when multiplied with x, produces a product that is a perfect square?
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Guest
Jun 21, 2021
+3
427
2
+49
Helpplzplzplz
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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HELPplzplzplz
Jun 21, 2021
0
419
2
Analytic geometry
In the diagram, the four points have coordinates A(0,1), B(1,4), C(5,3), and D(4,0). What is the area of quadrilateral ABCD?
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Guest
Jun 21, 2021
0
385
2
Word problem
Bob has 3/4 as much money as Dan. Dan received another $15. As a result, Bob had 6/11 as much money as Dan. How much did Dan have at first?
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Guest
Jun 21, 2021
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388
2
Word problem
Andy has $240. He had twice as much money as Carl. Carl spent some money and Andy had 6 times as much money as Carl in the end. How much did Carl spend?
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Guest
Jun 21, 2021
-1
538
2
+55
Help please
We call a number peachy if every digit in the number is either a $3$ or next to a $3.$ For example, the numbers $333,$ $83,$ $303,$ and $3773$ are all peachy, but the numbers $32523,$ $786,$ $340,$ and $3999$ are not peachy. How many positive $2$-digit
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Bginner
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BigBoiChungus
Jun 21, 2021
-1
469
1
+55
I would love some assistance!
The hexagon with the R is colored red. Each hexagon is colored either red, yellow or green, such that no two hexagons with a common side are colored the same color. In how many different ways can the figure be colored?
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BigBoiChungus
Jun 21, 2021
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408
1
+100
help pls
Given positive integers x and y such that x≠y and , what is the smallest possible value for x+y?
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Wsai12
Jun 21, 2021
0
354
1
help coordinates
For what value of k does the equation x^2+10x+y^2+16y-k=0 represent a circle of radius 6?
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Guest
Jun 21, 2021
0
375
2
Pork bellies
The price of pork bellies fell by 50%. Days later, the price fell again (from the lower price) by another 25%. If the price of pork bellies is now $.75 per pound, what was the original price?
thank you
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Guest
Jun 21, 2021
0
436
4
Counting
Find the number of subsets of {1, 2, 3, ..., 10}, where the sum of the smallest element and the largest element is equal to 11.
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Guest
Jun 21, 2021
0
374
1
tan 45 degrees.
tan of 5 degrees.
ElectricPavlov
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Guest
Jun 21, 2021
0
465
2
Divisibility
What is the largest positive integer n for which n^3+100 is divisible by n+1?
EnchantedLava68
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Guest
Jun 21, 2021
0
363
1
Algebra
Let r and s be the roots of 3x^2+4x+12 = x^2 - 5x + 7. Find r^2+s^2.
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Guest
Jun 21, 2021
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