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All Questions
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152150 Questions
+1
91
3
-18
For each sample, find the sample proportion. Write it as a percent. I'm Real Confused.
For each sample, find the sample proportion. Write it as a percent.
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GAMEMASTERX40
May 24, 2019
+2
133
6
+694
I am not sure if this is right. Exponential Inequalities.
What integer n has the property that is greater than and is less than .
read more ..
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CalculatorUser
May 24, 2019
0
75
3
Help
A polynomial with integer coefficients is of the form You are told that the integer r is a double root of this polynomial. (In other words, the polynomial is divisible by (x - r)^2.) Enter all the possible values of r, separated by commas.
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Guest
May 24, 2019
0
92
3
help
There are four even integers in the top five rows of Pascal's Triangle. How many even integers are in the top 10 rows of the triangle?
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Guest
May 24, 2019
0
101
1
Can I have some help on this question?
The lattice shown is continued for 100 rows. What will be the third number in the 100th row?
Row 1: 1 2
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Guest
May 24, 2019
0
91
1
+159
Cauchy inequality question, please help asap
x, y, and z are all positive real numbers. x+y+z = 1
prove: x^2/(y+2z) + y^2/(z+2x) + z^2/(z+2y) is greater or equal to 1/3
This has to be proved using the Cauchy inequality.
Any help is appreciated!!
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hearts123
May 24, 2019
0
94
7
Can I have some help on this question?
The first four stellations are represented below. How many dots are in the 20th stellation?
Figure 1: one dot
Figure 2: eight dots
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Guest
May 24, 2019
0
68
2
Can I have some help on this question?
Can I have some help on this question?
"The first figure contains 2 dots, the second 6 dots, and the third 12 dots. If the pattern continues, how many dots would the tenth figure contain?"
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Guest
May 24, 2019
+1
108
1
+171
Can Someone Grade This Paper?
I know this isn't a math question but I wrote this MLA Research Paper and if there's anyone who thinks they could give it a shot I would be ever thankful.
If you could circle mistakes/improvements and write some short feedback on
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JohnyGotchaApples
May 24, 2019
+1
103
1
+90
Exponential functions
What are the values of k such that there is only one x-intercept;
K2x + 2-x = 3
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Drazil
May 24, 2019
0
101
2
help appreciated
What's the matrix that rotates vectors by pi/6 counterclockwise?
Rom
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Guest
May 24, 2019
0
111
2
HELPPPP
If -5\leq a \leq -1$ and $1 \leq b \leq 3$, what is the least possible value of $\displaystyle\left(\frac{1}{a}+\frac{1}{b}\right)\left(\frac{1}{b}-\frac{1}{a}\right) $? Express your answer as a common fraction.
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Guest
May 24, 2019
0
131
1
+299
Urgent!!!
Solve the equation 3x-1/2y=2
ElectricPavlov
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Nerd123
May 24, 2019
0
67
1
help??
Find all pairs of real numbers (x,y)$ such that $x + y = 6$ and $x^2 + y^2 = 28$. If you find more than one pair, then list your pairs in order by increasing x$ value, separated by commas. For example, to enter the solutions $(2,4)$ and $(-3,9)$, you would
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power27
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Guest
May 24, 2019
0
80
1
help (last one)
The two lines shown intersect at the point (a,b). Find ab. Each unit square in the grid represents a distance of 1
.
ElectricPavlov
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Guest
May 24, 2019
0
79
1
help plz
What is the intersection of the lines given by y=-3x+5$ and $y=2x-6$? Express your answer as an ordered pair.
ElectricPavlov
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Guest
May 24, 2019
0
114
2
Help pls
The first figure contains 2 dots, the second 6 dots, and the third 12 dots. If the pattern continues, how many dots would the tenth figure contain?
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Guest
May 24, 2019
May 23, 2019
0
79
1
Help with 2 questions
1. Find all integers n for which
Please put your second question on a different post - Melody.
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Guest
May 23, 2019
0
63
1
help (last few)
}}$. Rationalize the denominator: frac{1}{1 + \sqrt{2} - \sqrt{3}}$. The simplified result can be written in the form $\frac{\sqrt{2} + a + \sqrt{b}}{c}$, where $a$, $b$, and $c$, are positive integers. What is $a + b + c$?
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Guest
May 23, 2019
0
71
1
Need Help please!
I need help with this question very badly! Hope someone can help.
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Guest
May 23, 2019
0
73
1
help
The lines y=5x+3$, $y=-2x-25$ and $y=3x+k$ intersect at the same point. What is the value of $k$?
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Guest
May 23, 2019
0
85
1
helppppp
What is the value of a$ if the lines $2y - 2a = 6x$ and $y + 1 = (a + 6)x$ are parallel?
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Guest
May 23, 2019
0
106
1
+404
Help Please
The least common multiple of two numbers is 3720, and their greatest common divisor is 8. Given that one of the numbers is 120, what is the other number?
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APatel
May 23, 2019
0
67
1
HELPPPPP
If x + 2y= 4 and xy = -8, what is the value of x^2 + 4y^2?
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Guest
May 23, 2019
0
89
1
calculator problem
how to use randint on this
off-topic
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Guest
May 23, 2019
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