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Post New Question
All Questions
+0
237827 Questions
0
786
1
Please halp
There are values A and B such that Find A+B
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Guest
Aug 1, 2019
0
797
2
Help please
If sqrt{5 + x} + sqrt{20 - x} = 7, what is the value of (5 + x)(20 - x)?
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Guest
Aug 1, 2019
0
824
1
Find Y-intercept Help
I am trying to find the y-intercept
The equation is x+1 = -2(y+5)^2
This is a parabola, but not exactly a function (does not pass vertical line test)
read more ..
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Guest
Aug 1, 2019
0
873
2
Help!
How did the temperature change if:
If decreased by 33 1/3%
1
read more ..
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Guest
Aug 1, 2019
0
877
1
Please help
If , and x can be any real number except 1, what real values can m NOT have?
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Guest
Aug 1, 2019
0
703
1
Help!
2/3
is what percent of
1/4
?
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Guest
Aug 1, 2019
Jul 31, 2019
0
591
1
I'm re-posting because only one guest responded last time. but still, im open to help!
(a) Compute the sums of the squares of Rows 1-4 of Pascal's Triangle. That is, compute:
Do these sums appear anywhere else in Pascal's Triangle?
(b) Guess at an identity based on your observations from part (a). Your identity should be of the form
(You
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Guest
Jul 31, 2019
0
539
1
Hyperbola Question Help
Let and (foci). Then the set of points such that
form a hyperbola. The equation of this hyperbola can be written as
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Guest
Jul 31, 2019
0
631
3
Hi, help me please
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Guest
Jul 31, 2019
0
857
2
Help please
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Guest
Jul 31, 2019
0
1232
3
Help please!
In the diagram, D and E are the midpoints of overline{AB} and overline{BC} respectively. Determine the sum of the x and y coordinates of F, the point of intersection of overline{AE} and overline{CD}.
Diagram at: https://latex.artofproblemsolving.com/5/5/0/55002ffdc5d288b4984c4eba461a467dcced7760.png
read more ..
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Guest
Jul 31, 2019
0
1081
1
help
Let $\mathbf{P}$ be the matrix that projects onto $\mathbf{j}$: that is, we want $\mathbf{P}$ to satisfy \[\mathbf{P} \mathbf{v} = \text{The projection of $\mathbf{v}$ onto } \begin{pmatrix} 0 \\ 1 \\ 0 \end{pmatrix}\]for all vectors $\mathbf{v}$. Use the
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Guest
Jul 31, 2019
0
793
1
HELP
If is a function whose domain is , and , then the domain of is an interval of what width?
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Guest
Jul 31, 2019
0
774
1
Help!
Find the remainder when the polynomial x^1000 is divided by the polynomial (x^2+1)(x+1).
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Guest
Jul 31, 2019
0
962
3
sqrt(88^2-2*32.2*125*.85
can u show me the work for sqrt(88^2-2*32.2*125*.85
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Guest
Jul 31, 2019
0
1330
2
GCD stuff
If m and n are positive integers such that gcd(m,n)=12 , then what is the smallest possible value of gcd(10m,15n) ?
Edit: ans=60
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Guest
Jul 31, 2019
+2
1061
2
+501
Math, Please Help
Can someone please help me?
In , , and BC is an altitude. , and The values of , , and \tan \angle ABE form a geometric progression and the values of , , and \cot \angle DBC form an
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Davis
Jul 31, 2019
0
752
1
help
How did the temperature change if:
Chapter Reference
a
It increased by 50 % and then decreased by 33 1/3%
read more ..
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Guest
Jul 31, 2019
0
937
2
+159
Number Theory
Let be nonnegative real numbers such that Find the maximum value of
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Havingfun
Jul 31, 2019
+1
748
1
+937
PSL4#10
Answer: 89/245
I have no idea how to approach this.
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dgfgrafgdfge111
Jul 31, 2019
+1
786
1
+937
PSL4#33 Repost
https://web2.0calc.com/questions/psl4-33
I was just reposting because no one has answered this and it's getting deep in the question area.
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dgfgrafgdfge111
Jul 31, 2019
+1
846
1
+937
PSL4#48
Answer: 6/7
What I did:
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dgfgrafgdfge111
Jul 31, 2019
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