All Questions ⁺⁰238360 Questions

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770

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NotSoSmart Sep 17, 2018

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NotSoSmart Sep 17, 2018

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726

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+4116

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NotSoSmart Sep 17, 2018

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783

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NotSoSmart Sep 17, 2018

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636

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NotSoSmart Sep 17, 2018

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735

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+4116

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NotSoSmart Sep 17, 2018

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639

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NotSoSmart Sep 17, 2018

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688

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+4116

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NotSoSmart Sep 17, 2018

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784

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NotSoSmart Sep 17, 2018

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644

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NotSoSmart Sep 17, 2018

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726

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NotSoSmart Sep 17, 2018

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NotSoSmart Sep 17, 2018

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Trigonometry: Further Applications of Right Triangles

Hello! I am in an online trigonometry class and we currently have an assignment that asks us to solve this problem. I am slightly confused about it and where to even start. Any assistance on the process to solve this would be so greatly appreciated. read more ..

Guest Sep 17, 2018

0

1168

2

+108

number theory confuzzlement

In the prime factorization of 109!, what is the exponent of 3? (Reminder: The number n! is the product of the integers from 1 to n. For example, 5! = 5 * 4 * 3 * 2* 1 = 120.)

mathbum Sep 17, 2018

0

984

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+213

Definition of This Postulate?

Do any of you guys know the definition of the converse of alternate exterior angles postulate?

OwenT154 Sep 17, 2018

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1861

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Try something new - Expansion challenge.

Find the coefficient of in the expansion of

read more ..

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Melody Sep 17, 2018

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710

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+4116

Help

NotSoSmart Sep 17, 2018

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765

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lim(x->1) [(sqrt(x+a)+b)/(x^2-1)=1]

Please help to solve lim(x->1) (sqrt(x+a)+b)/(x^2-1)=1

lim(x->1) (sqrt(x+a)+b) / (x^2-1)=1
lim(x->1) (sqrt(x+a)+b) * (sqrt(x+a)-b) / [(x^2-1) * (sqrt(x+a)-b)] = 1 read more ..

Guest Sep 17, 2018

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2638

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So confused... help!!

A closed form for the sum $$ S = \frac {2}{3+1} + \frac {2^2}{3^2+1} + \cdots + \frac {2^{n+1}}{3^{2^n}+1} $$
is $1 - \frac{a^{n+b}}{3^{2^{n+c}}-1},$ where $a$, $b$, and $c$ are integers. Find $a+b+c$.

Guest Sep 17, 2018

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