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Post New Question
All Questions
+0
230610 Questions
0
4125
3
The terminal side of θ passes through the point (−3,7).
The terminal side of θ passes through the point (−3,7).
What is the exact value of sinθ in simplified form?
758√58
−758√58
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Guest
Jan 13, 2018
0
3711
1
Check if my answers are correct?
Hello everyone, I already have answers to the three questions I'm asking but I just want to make sure I am right, Thank you for checking my answers.
1. What is the exact value of the trigonometric expression?
tan(7π4)
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Guest
Jan 13, 2018
0
1537
1
Help
What is the sum of all possible values of $k$ for which $x^2 + kx - 12x + 16$ is the square of a binomial?
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Guest
Jan 13, 2018
0
706
1
Help please
Simplify
and rationalize the denominator. The result can be expressed in the form
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hectictar
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Guest
Jan 13, 2018
Jan 12, 2018
0
511
1
Prime or composite
Is this number Prime or Composite? And how do you determine it?
(((((2^3+3)^3+30)^3+6)^3+80)^3+12. Thanks for help.
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Guest
Jan 12, 2018
0
1062
1
+86
Pre-Calc Question
4cos(x)-4sin^2(x) + 5=0
x = ?
hectictar
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SurpriseMe
Jan 12, 2018
0
2255
1
Let $a,b$ be real numbers, and let $x_1,x_2$ be the roots of the quadratic equation $x^2+ax+b=0$. Prove that if $x_1,x_2$ are real and nonze
Let $a,b$ be real numbers, and let $x_1,x_2$ be the roots of the quadratic equation $x^2+ax+b=0$. Prove that if $x_1,x_2$ are real and nonzero, $\frac 1{x_1}+\frac 1{x_2}<1$, and $b>0$, then $|a+2|>2$.
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Guest
Jan 12, 2018
+2
881
1
+109
Literally everything about trigonometry. This is urgent D8
We are currently learning about how to do trig with non-right triangles. The thing is, I barely understood the basics, so if anyone can explain an entire quarter of trigonometry, or knows a good website where I can learn it all, I would greatly appreciate
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ragg3dly
Jan 12, 2018
0
949
2
math
A cylinder has a height of 10 cm and a radius of 4 cm. A cone has a height of 5 cm and a radius of 4 cm. How does the volume of the cylinder compare to the volume of the cone?
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Guest
Jan 12, 2018
+2
957
7
+579
Halp
Yes I have been "dead" for a while, I am back! I was learning about logarithms and on the test it threw this equation at me.
What on earth is LN? Or is it 1n? Why didn't my book tell me about this?
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OfficialBubbleTanks
Jan 12, 2018
+1
837
1
+1450
The sum of the first n terms in the infinite geometric sequence {1, 1/3, 1/9, 1/27, ...} is 121/81. Find n.
The sum of the first n terms in the infinite geometric sequence {1, 1/3, 1/9, 1/27, ...} is 121/81. Find n.
Edit: got it, it's 5 :D
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AnonymousConfusedGuy
Jan 12, 2018
+10
1920
13
+118609
Problems with LaTex
Latex has not displayed properly for a couple of weeks now.
Have other people had a problem or is it just my display?
For instance, this answer of Hectictar only displays as coding for me, it does not display as it should.
read more ..
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Melody
Jan 12, 2018
0
515
1
math question
1143+1945 = find the resul using this numbers 1 6 1 9 3 7 3 0 0 6 8
you can use + , - , x , and division.
read more ..
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Guest
Jan 12, 2018
0
2125
1
+593
What are the domain and range of the function?
What are the domain and range of the function?
f(x)= 1/3x7
read more ..
hectictar
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jbouyer
Jan 12, 2018
0
2501
1
+593
Which graph represents the function g(x) = 3/x+2 -4?
Which graph represents the function g(x) = 3/x+2 -4?
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jbouyer
Jan 12, 2018
0
751
1
+593
Algebra
What are the equations of the asymptotes of the graph of f(x)= 3/x-2 +9
hectictar
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jbouyer
Jan 12, 2018
+1
1676
2
+15
need more help
Adult and student tickets to the high school basketball game are sold each week. For every to adult tickets, seven student tickets are sold. How many total tickets were sold if 92 adult tickets were sold?
hectictar
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IvanYunga1
Jan 12, 2018
+1
1085
1
+15
need help
The United States Air Forc has 19 women for every 81 men enlisted. If a squadron has 250 members, approximately how many are men
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IvanYunga1
Jan 12, 2018
+2
1025
3
+489
Interesting Modulo Question
Suppose that x is an integer that satisfies the following congruences:
What is the remainder when x is divided by 105?
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RektTheNoob
Jan 12, 2018
0
1607
1
Please help
If $A$, $B$ and $C$ are positive integers such that $\frac{A\sqrt{B}}{C} = \frac{8}{3\sqrt{2}}$, what is the value of $A+B+C$ given that $A$ and $C$ have no common prime factors, and $B$ has no perfect-square factors other than 1?
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Guest
Jan 12, 2018
0
6257
1
What is the smallest distance between the origin and a point on the graph of $y=\dfrac{1}{\sqrt{2}}\left(x^2-3\right)$?
What is the smallest distance between the origin and a point on the graph of $y=\dfrac{1}{\sqrt{2}}\left(x^2-3\right)?$
Edit:
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Guest
Jan 12, 2018
0
685
1
Simplify Radical Expressions
There is the square root of 40xy divided by the square root of 8 my friend said you have to find the square roots before dividing but the textbook we use showed the square root of 72 divided by the square root of 6 and it equaled the square root of 12 and
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Guest
Jan 12, 2018
0
2462
3
Math help please
The ratio of students to teachers at a school is 19:1. how many students are there in each total number of people?
A. 100
B. 280
read more ..
ElectricPavlov
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Guest
Jan 12, 2018
0
844
1
physics
an adult cheetah can run at a top speed of approximately 31m/s. if its kinetic energy is 23610J, what is its mass?
TheXSquaredFactor
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Guest
Jan 12, 2018
0
891
5
Adding rational expressions
9x + 2/ 3x2 - 2x - 8 + 7/3x2 + x - 4
I tried to factor the denominator ending with -8 with (3x+2)(x-4) but it ends because 2 X -4 = -8 so I thought maybe that would work but it ends up being 3x^2 -
read more ..
TheXSquaredFactor
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Guest
Jan 12, 2018
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