joana1234

Username:

joana1234

Gender:

Female

Member since:

June 4, 2012

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Grade:

High School - 10th Grade

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New Activity for joana1234

Asked a Question in Math

The shore line of an island is 100 miles. What can be the maximum area of the island.

Asked a Question in Math

Is there a unique solution for the equations x + y = 9, x + y + z = 10, x - y + z = 1

Asked a Question in Math

In the following series what is the nth term: 1, 1, 2, 3, 5, 8, 13...

Asked a Question in Math

What is x if 32^x*2^4x*16^3*4^2x = 256

Asked a Question in Math

What is sin 35° sin55° - cos35° cos55°

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Find out, whether point (8, 6), (3, 4) and (1, – 7) are collinear or not

Asked a Question in Math

What is tan x if sec x = 2*sqrt 2

Asked a Question in Math

Find the roots of 4x^2 + 7x + 3 = 0 using factorization.

Asked a Question in Math

For what value of a is the line ax + y = 6 a tangent to x^2 + y = 18?

Asked a Question in Math

Prove: (1 + csc x)/sec x - cot x = cos x

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