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Post New Question
All Questions
+0
229704 Questions
+2
782
2
+230
help pls
A wooden model of a square pyramid has a base edge of 12 cm and an altitude of 8 cm. A cut is made parallel to the base of the pyramid that separates it into two pieces: a smaller pyramid and a frustum. Each base edge of the smaller pyramid is 6 cm and
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Ericthegg123
Sep 6, 2020
-1
293
1
counting
A textbook has 1,000 pages. How many of the pages have page numbers whose digits add up to exactly 4?
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Guest
Sep 6, 2020
0
569
7
please help
I need to make numbers out of 9s.
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Guest
Sep 6, 2020
0
466
1
geometry problem
Find the length of the common chord of the two circles x^2 + y^2 = 16 and (x - 1)^2 + (y - 2)^2 = 25.
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Guest
Sep 6, 2020
0
417
1
need help
ABCDE is a regular pentagon. Find the measure of the angle (in degrees) between AC and BD.
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Guest
Sep 6, 2020
0
401
1
algebra
The average of a and 2b is -3, and the average of a and 2c is 11. what is the average of a, b, and c
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Guest
Sep 6, 2020
+1
537
1
+365
PLEASE HELP ASAP THANK YOU
For what negative value of is there exactly one solution to the system of equations ?
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imdumb
Sep 6, 2020
-1
763
1
+79
Airplane Question
The first aircraft has 100 more seats than the second aircraft. The third aircraft has 27 fewer seats than the second aircraft. If their total number of seats is 373, find the number of seats for each aircraft.
Work:
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TheLovely1
Sep 6, 2020
0
667
2
+79
Consecutive Integers
The sum of three consecutive even integers is 282. Find the integers.
WORK:
x+x+2+x+4=282
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TheLovely1
Sep 6, 2020
0
411
2
Trigonometry
A sector has an angle of 107.9 and an arc length of 5.92 metres. Find its radius and area.
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Guest
Sep 6, 2020
+1
666
2
+230
URGENT NEED HELP SOON
Triangle with vertices at A(1,1), B(1,-2), C(5,-2) , and is translated up 3 units and then dilated with respect to the origin by a factor of 2. What are the new coordinates of point C ? Express your answer as an ordered
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Ericthegg123
Sep 6, 2020
0
591
1
+306
Find all numbers r for which the system of congruences
Find all numbers r for which the system of congruences
has a solution.
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mathmathj28
Sep 6, 2020
0
282
0
algebra
For what values of f(x) > 0? (Type a compound inequality)
Guest
Sep 6, 2020
0
808
2
math problem
What is the 125th digit beyond the decimal point in the decimal representation of 4/7?
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Guest
Sep 6, 2020
0
589
1
+1242
Hyperbola
The graph of y^4 - 4x^4 = 2y^2 - 1 is the union of the graphs of two different conic sections. Which two types of conic sections are they?
(Write your answer as a list, with "C" for circle, "E" for ellipse, "H" for hyperbola, and "P" for parabola. For
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Lightning
Sep 6, 2020
0
588
1
+1242
Ellipse
A circle has the same center as an ellipse and passes through the foci F1 and F2 of the ellipse. The two curves intersect in 4 points. Let P be any point of intersection. If the major axis of the ellipse is 15 and the area of triangle PF1F2 is 26,
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Lightning
Sep 6, 2020
0
522
1
+1242
Complex numbers
Let w be a nonreal root of z^3 = 1. Find the number of different possible values of
(w + 1)^n where n is a positive integer.
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Lightning
Sep 6, 2020
0
461
1
i ned help
Find x.
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Guest
Sep 6, 2020
0
291
1
please help
What is the perimeter of HUK?
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Guest
Sep 6, 2020
0
300
1
number theory
Prove that 6^n - 1 is divisible by 5 for all positive integers n.
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Guest
Sep 6, 2020
0
262
0
help please
Find the graph of g(x).
Guest
Sep 6, 2020
0
420
1
please help
I need to solve for x.
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Guest
Sep 6, 2020
0
492
2
+96
halp plz
Find a linear inequality with the following solution set. Each grid line represents one unit.
https://latex.artofproblemsolving.com/a/2/9/a29ab229485ebb0bd55ba84d9b69637ee1b61804.png
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kanisan
Sep 6, 2020
0
396
1
please help!
Solve the following inequality algebraically. ∣x−5∣≤11
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Guest
Sep 6, 2020
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