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Post New Question
All Questions
+0
230858 Questions
0
1
1564
3
(1cis60)^1991+(1cis(-60))^1991+1=1 i need to prove this but the calculator wont give me the exact answers
(1cis60)^1991+(1cis(-60))^1991+1=1 i need to prove this but the calculator wont give me the exact answers
Melody
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Guest
Oct 25, 2014
0
1610
2
If: cos(2pi)= approx 1. why is then cos(-3pi) = (-1)
If: cos(2pi)= approx 1. why is then cos(-3pi) = (-1)
Melody
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Guest
Oct 25, 2014
0
685
1
what is the answer to -(-1)to the power of 3 (2-4) to the power of 2 - (-100) 4
what is the answer to -(-1)to the power of 3 (2-4) to the power of 2 - (-100)
read more ..
geno3141
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Guest
Oct 25, 2014
0
881
1
Find all values of such that . Answer with interval notation.
Find all values of
such that
.
read more ..
geno3141
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Guest
Oct 25, 2014
0
1109
1
For how many integers does the inequality have no real solutions ?
For how many integers
does the inequality
have
read more ..
geno3141
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Guest
Oct 25, 2014
0
3579
1
Find all values of such that . Answer in interval notation.
Find all values of
such that
.
read more ..
geno3141
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Guest
Oct 25, 2014
0
1768
1
Find all values of such that .
Find all values of
such that
.
Please
read more ..
geno3141
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Guest
Oct 25, 2014
0
653
4
Find all values of that satisfy . Give your answer as an interval.
Find all values of
that satisfy
.
read more ..
geno3141
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Guest
Oct 25, 2014
0
3060
1
Find all values of such that . Give your answer as an interval.
Find all values of
such that
.
read more ..
geno3141
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Guest
Oct 25, 2014
+1
3346
1
For how many different integers is the square of the integer less than 144?
For how many different integers is the square of the integer less than 144?
kitty<3
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Guest
Oct 25, 2014
0
976
3
Express the values of x that satisfy the inequality -3\le x < 7 as an interval. Please enter your response in interval notation. Refer to Fo
Express the values of x that satisfy the inequality -3\le x < 7 as an interval. Please enter your response in interval notation. Refer to Formatting Tips below for detailed instructions on formatting your response.
Melody
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Guest
Oct 25, 2014
0
2205
1
Let f(x) = x2 - 3x - 7. Find f(-3)
Let f(x) = x2 - 3x - 7. Find f(-3)
kitty<3
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Guest
Oct 25, 2014
0
1452
1
Consider the function f(x)=-16x2 +64x+4. a) Determine the domain and range of the function. b) Suppose this function represents the height,
Consider the function f(x)=-16x2 +64x+4.
a) Determine the domain and range of the function.
b) Suppose this function represents the height, in feet, of a football kicked into the air as a function of time, in seconds. What
read more ..
geno3141
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Guest
Oct 25, 2014
0
558
1
can anyone convert the negative exponent for the following equation
can anyone convert the negative exponent for the following equation
9k^-10/9k^10
geno3141
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Guest
Oct 25, 2014
0
417
2
cosx=-0.6900655593423542 x=?
cosx=-0.6900655593423542 x=?
Melody
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Guest
Oct 25, 2014
0
353
1
3 2/4 x 3 2/4
3 2/4 x 3 2/4
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Guest
Oct 25, 2014
0
477
2
+4
what is the square of two
what is the square of two
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ninami
Oct 25, 2014
0
641
2
what is 8 times negative 2 ,and 3/4
what is 8 times negative 2 ,and 3/4
Melody
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Guest
Oct 25, 2014
+11
545
0
+118608
I have cursorily checked most posts up to and including question page 885+ and answer page 2351+
I have cursorily checked most posts up to and including question page 885+ and answer page 2351+
There are a few that do not have answers - It is just too busy to get through all of them.
(Remember:
read more ..
Melody
Oct 25, 2014
0
526
1
What's the square of 48 simplified?
What's the square of 48 simplified?
geno3141
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Guest
Oct 25, 2014
0
492
1
Percentages. Please solve with working
A bleach bottle is labelled "900 ml for the price of 750 ml: x% extra free". The x is smudged and illegible. What is x?
CPhill
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Guest
Oct 25, 2014
0
1213
7
+1832
2 questions
read more ..
Alan
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xvxvxv
Oct 25, 2014
0
530
2
QA1. Write the following equation in standard form, and then solve. 3x^2 = 7(x-3)
Write the following equation in standard form, and then solve. 3x^2 = 7(x-3)
Melody
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Guest
Oct 25, 2014
0
421
1
x*logx
x*logx
Melody
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Guest
Oct 25, 2014
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