serinaaa
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Questions Asked

serinaaa:
Group Title
Why is the oxidation number of sulfur in H2SO3 = +4 and equal to 2 in H2S?
I can't seem to find how this works with the oxidation rules…
 updated 7 months ago
 4 replies
 No Medals Yet
Mathematics

serinaaa:
Group Title
How can you tell when a substance's free energy formation will equal 0 at T = 25 C ?
 updated 7 months ago
 4 replies
 1 Medal
Mathematics

serinaaa:
Group Title
How do you find the reference angle for 13pi/6 ?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

serinaaa:
Group Title
How do you find the number of moles in the reactant Li3PO4
 updated one year ago
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Mathematics

serinaaa:
Group Title
HELP please!!!! A projectile is fired from the origin over horizontal
ground. Its altitude (in feet) is a function of its horizontal
dista…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

serinaaa:
Group Title
HELP!!! A projectile is fired from the origin over horizontal
ground. Its altitude (in feet) is a function of its horizontal
distance (in …
 updated one year ago
 No Medals Yet
Mathematics

serinaaa:
Group Title
oh
 updated one year ago
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Mathematics

serinaaa:
Group Title
HELP!!!!
Use graphs and tables to find the limit and identify any vertical asymptotes of
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

serinaaa:
Group Title
Use graphs and tables to find the limit and identify any vertical asymptotes of the function.
lim 1/(x1)^2
…
 updated one year ago
 6 replies
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Mathematics

serinaaa:
Group Title
How do you find a limit from a graph?
 updated one year ago
 12 replies
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Mathematics

serinaaa:
Group Title
for this limit:
lim x^3+1/x^5
x>0
…
 updated one year ago
 4 replies
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Mathematics

serinaaa:
Group Title
HELP! Use graphs and tables to find the limit and identify any vertical asymptotes of?
lim 1/x5
x>5
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

serinaaa:
Group Title
Help please! how do you find the limit, if it exists for this function?
 updated one year ago
 6 replies
 3 Medals
Mathematics

serinaaa:
Group Title
Can someone help me with determining the limit of a graph, and if the limit exists?
 updated one year ago
 9 replies
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Mathematics

serinaaa:
Group Title
Find an equation in standard form for the hyperbola with vertices at (0, ±6) and foci at (0, ±9).
 updated one year ago
 4 replies
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Mathematics

serinaaa:
Group Title
Help!!!
Find the vertices and foci of the hyperbola with equation (x+4)^2/9  (y5)^2/16 = 1
 updated one year ago
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Mathematics

serinaaa:
Group Title
Find an equation in standard form for the ellipse with the vertical major axis of length 16, and minor axis of length 4.
 updated one year ago
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Mathematics

serinaaa:
Group Title
How do you find the standard form of a parabola? it's given a focus at (7,0) and a directrix = 7
 updated one year ago
 1 reply
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Mathematics

serinaaa:
Group Title
HELP!
The position of an object at time t is given by s(t) = 3  4t. Find the instantaneous velocity at t = 8 by finding the derivative.
…
 updated one year ago
 37 replies
 1 Medal
Mathematics

serinaaa:
Group Title
How do you find the first six terms of a sequence??
a1 = 1, an = 2 • an1
 updated one year ago
 1 reply
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Mathematics

serinaaa:
Group Title
How do you write the summation notation for: 4  24 + 144  864 + ... ?
 updated one year ago
 10 replies
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Mathematics

serinaaa:
Group Title
Help! How do you find out an equation for this: "Certain species of tree grows an average of 4.2 cm per week. Write an equation for the sequ…
 updated one year ago
 1 reply
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Mathematics

serinaaa:
Group Title
Help!!! How do you determine which equation would go with a graph of a limacon curve?
 updated one year ago
 1 reply
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Mathematics

serinaaa:
Group Title
How do you eliminate the parameter for this?
…
 updated one year ago
 12 replies
 1 Medal
Mathematics

serinaaa:
Group Title
how do you find the sum of the first 12 terms of the sequence.
1, 4, 9, 14, . . .
…
 updated one year ago
 19 replies
 No Medals Yet
Mathematics

serinaaa:
Group Title
Can someone please help me! How do you write the sum using summation notation, assuming the suggested pattern continues.
8  3 + 2 + 7 +…
 updated one year ago
 2 replies
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Mathematics

serinaaa:
Group Title
Can someone help me find the standard form of the equation of a parabola with a focus at (4, 0) and a directrix at x = 4.
 updated one year ago
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Mathematics

serinaaa:
Group Title
Can someone help me find the angle between these two vectors? it has to be to the nearest tenth of a degree.
u = <6, 1>, v = <7, 4>
 updated one year ago
 1 reply
 2 Medals
Mathematics

serinaaa:
Group Title
Let u = <4, 3>. Find the unit vector in the direction of u, and write your answer in component form.
Can someone help please!
 updated one year ago
 24 replies
 1 Medal
Mathematics

serinaaa:
Group Title
Express the complex number in trigonometric form. 6  6i
 updated one year ago
 No Medals Yet
Mathematics
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