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^{+0}
203046 Questions
0
51
1
help algebra
Calculate sqrt(60x)*sqrt(12x)*sqrt(63x)*sqrt(42x). Express your answer in simplest radical form in terms of x. Note: When entering a square root with more than one character, you must use parentheses or brackets. For example, you should enter sqrt(14) as
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Guest
Aug 3, 2021
0
38
1
help algebra
Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.
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Guest
Aug 3, 2021
0
59
1
-20
Help plz
Find $a/b$ when $2\log{(a -2b)} = \log{a} + \log{b}$.
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lilac
Aug 3, 2021
0
46
2
Geometry
In rectangle ABCD, shown here, CE is perpendicular to BD . If BC = sqrt(3) and DC = 2, what is CE?
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Guest
Aug 3, 2021
0
62
1
help!! - how do i do this
I have $8$ pieces of strawberry candy (all identical) and $7$ pieces of rhubarb candy (all identical). Find the number of ways I can distribute this candy to $5$ children.
There is a group of $5$ children, where two of the children
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Guest
Aug 3, 2021
0
50
1
piecewise function
Let
f(x) = x+ 3 if x > 3
f(x) = x - 6 if -3 <= x <= 3
f(x) = 3x + b if x < -3.
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Guest
Aug 3, 2021
0
52
1
Precalc
Let a, b, and t be real numbers such that
cos a + sin b = 3t+2
sin a + cos b = 4t + 6
Compute tan a + tan b.
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Guest
Aug 3, 2021
-2
64
2
-20
Help
Find all roots of the polynomial \[f(t)=t^4-5t^3+5t^2+17t-42.\]
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lilac
Aug 3, 2021
-4
73
3
-20
Help
What is the smallest distance between the origin and a point on the graph of $y=\dfrac{1}{\sqrt{2}}\left(x^2-3\right)$?
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lilac
Aug 3, 2021
0
54
1
Help
What is the smallest distance between the origin and a point on the graph of $y=\dfrac{1}{\sqrt{2}}\left(x^2-3\right)$?
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Guest
Aug 3, 2021
-1
58
2
HELP
Find the solutions $x$ of the equation $$2ix^2+x+3i=0.$$
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Guest
Aug 3, 2021
0
64
1
-20
HELP
Find a polynomial $f(x)$ of degree $5$ such that both of these properties hold:
$\bullet$ $f(x)$ is divisible by $x^3$.
$\bullet$ $f(x)+2$ is divisible by $(x+1)^3$.
Write your answer in expanded form (that is, do not factor $f(x)$).
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lilac
Aug 3, 2021
0
42
0
Help
Mandy has bought some books and pens. If she buys 6 books and 5 pens, she will have $7.10 left. If she buys 4 books and 11 pens, she will need $20.10 more. If a book costs $5.90, how much money does had she have?
Guest
Aug 3, 2021
0
57
1
system
Find the ordered pair (s, t) that satisfies the system
s/2 - 3t= -1
3t + 2s= 3
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Guest
Aug 3, 2021
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