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All Questions
^{+0}
188169 Questions
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89
2
polygon
The interior angles of a convex polygon are in arithmetic progression. The smallest angle is 120 degrees and the common difference is 5 degrees. Find the number of sides of the polygon.
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Guest
Jan 12, 2021
0
61
1
line
Find the distance between the x-intercept and the y-intercept of the graph of the equation 3x - 6y = 18.
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Guest
Jan 12, 2021
0
59
1
A Complex Numbers Problem
Let $a$, $b$, and $c$ be complex numbers such that $|a|=|b|=|c|=1$ and $\frac{a^2}{bc}+\frac{b^2}{ac}+\frac{c^2}{ab}=-1$. Find all positive values of $|a+b+c|$.
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Guest
Jan 12, 2021
0
70
1
+310
Help
What is the value of for which
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hihihi
Jan 12, 2021
0
72
1
algebra
Solve 5[x] + 3 = x.
Note: [x] denotes the floor function.
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Guest
Jan 12, 2021
0
87
3
+310
Help
Given that
and that
for real numbers x, y, and z, what is the value of xyz?
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hihihi
Jan 12, 2021
0
57
1
proportion
The value of y varies inversely as x and when x=24, y=15. What is x when y = 3?
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Guest
Jan 12, 2021
0
68
4
some one help me
ohanna receives a report that says her typing speed is 65 words per minute. She knows that she made 4 errors in the 5-minute test. How many words did she type in 5 minutes?
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Guest
Jan 12, 2021
0
61
1
Similar Triangles
This question just confuses me, and I don't really understand the diagram. Could someone help me out?
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Guest
Jan 12, 2021
0
55
1
Repost because I was still a little confused
The polynomial equation \[x^3 + bx + c = 0,\]where $b$ and $c$ are rational numbers, has $3-\sqrt{7}$ as a root. It also has an integer root. What is it?
Why I'm confused, so in my last repost, melody, a great answered wanted me to
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Guest
Jan 12, 2021
0
67
3
25 INTO 94 HOW MANY TIMES
So how do I solve this one? I've already done ten google searches, help!
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Guest
Jan 12, 2021
0
47
0
help plz
Let
\[f(n) = \begin{cases} 3n + 1 & \text{if }n\text{ is odd} \\ \dfrac{n}{2} & \text{if }n\text{ is even} \end{cases}.\]
For how many integers n from 1 to 100, inclusive, does $f ( f (\dotsb f (n) \dotsb ))
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Guest
Jan 12, 2021
0
49
1
help with line
What is the slope of the line determined by any two solutions to the equation 2/x + 8/y = 0? Express your answer as a common fraction.
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Guest
Jan 12, 2021
0
80
1
gcf
Let GCF(a, b) be the abbreviation for the greatest common factor of a and b, and let LCM(c, d) be the abbreviation for the least common multiple of c and d. What is GCF(LCM(28, 14), LCM(7, 14))?
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Guest
Jan 12, 2021
0
74
1
parabola
Find a + b + c if the graph of the equation y = ax^2 + bx + c is a parabola with vertex (5,-3), vertical axis of symmetry, and contains the point (2,8).
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Guest
Jan 12, 2021
+1
66
1
+5
Please help ASAP! Please show all work as well. Thank you!
11. Find the number of functions f that map the set {1,2,3,4} into itself such that the range of the function f(x) is the same as the range of the function f(f(x).
12. Five girls and five boys randomly
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shirleyyy
Jan 12, 2021
0
57
1
Quick help please!
Find the value of n
1(3√7)5= 7^n
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Guest
Jan 12, 2021
0
60
1
Surd Form
Write 3^7/2 in surd form. I'd appricate your answer greatly!
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Guest
Jan 12, 2021
-1
80
2
3d geo
Let APQRS be a pyramid, where the base PQRS is a square of side length 30. The total surface area of pyramid APQRS (including the base) is 1100. Let W, X, Y, and Z be the midpoints of AP, AQ, AR, and AS respectively. Find the total surface area of frustum
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Guest
Jan 12, 2021
0
74
1
Help is appreciated
The polynomial equation \[x^3 + bx + c = 0,\]where $b$ and $c$ are rational numbers, has $3-\sqrt{7}$ as a root. It also has an integer root. What is it?
Melody
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Guest
Jan 12, 2021
0
75
4
I need help with this question. ASAP!!
Find the slope of the line passing through the points
, ( -6, -5) and (4, 4)
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Guest
Jan 12, 2021
0
87
1
∫ 9 (3𝑥 + 10) 6
∫ 9 (3𝑥 + 10) 6
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Guest
Jan 12, 2021
0
84
1
+269
Jessica and the specialty Japanese candies
Jessica got several boxes of specialty Japanese candies as her birthday gift. She was very generous and decided to share her fortune with any friend who wanted it. Each day, she would eat two candies, and give one candy to each friend who wanted one.On
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Potatobird
Jan 12, 2021
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