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##### General right angle trig: if cos(theta) = 2/5, find the value of tan(theta) i did pythagoren theroy a^2 + b^2 = c^2 2^2 + b^2 = 5^2 4 + b^2 = 25 b^2 = square root of 21 how do you simplify the square root of 21

general right angle trig: if cos(theta) = 2/5, find the value of tan(theta) i did pythagoren theroy a^2 + b^2 = c^2 2^2 + b^2 = 5^2 4 + b^2 = 25 b^2 = square root of 21 how do you simplify the square root of 21? like what is it simplified?...

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##### Divide, and if possible, simplify

Divide, and if possible, simplify. Assume all variables represent positie real numbers. root:5(a^3b^9c^3)/sqrt:(a^-2bc) I asked a tutor to assist and received a different answer than the possibilities that are on the quiz sheet!...

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##### 2 times the sq root of 90 + 3 times the sq root of 40 - 4 times the sq root of 10 =

2 times the sq root of 90 + 3 times the sq root of 40 - 4 times the sq root of 10 = ??...

1 answer

##### 12rs - 5s - 6rs = (multiple choice) * 1rs * 6r - 1s * 6rs - 5s * 6r + 1s what is the correct ansewrd

12rs - 5s - 6rs = (multiple choice) * 1rs * 6r - 1s * 6rs - 5s * 6r + 1s what is the correct ansewrd...

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##### Alma rides her bicycle for three fourths of an hour every day

Alma rides her bicycle for three fourths of an hour every day. Find the distance she rides if she averages 13.65 miles per hour....

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##### Use a calculator to find the approximate decimal value of the follow rational and irrational numbers

Use a calculator to find the approximate decimal value of the follow rational and irrational numbers. Round to the nearest tenth. -2(to the square root of)5 and (cubed root of)-15 [Sorry if that doesn't make sense but I don't know how to make a square root symbol] I thought that these didn&#...

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##### Id have a question; I should find out what the possible rational roots of x^3 - 4x^2 + 2x + 1 are, I am not sure if 3.303, -0.303, 1 are right and I totally dont understand how to use synthetic substitution, to find out which of the possible rational

Id have a question; I should find out what the possible rational roots of x^3 - 4x^2 + 2x + 1 are, I am not sure if 3.303, -0.303, 1 are right and I totally dont understand how to use synthetic substitution, to find out which of the possible rational roots are actually a root of the equation. Could ...

1 answer

##### Find the family of cubic functions whose x-intercepts are 4, 1, and -2

Find the family of cubic functions whose x-intercepts are 4, 1, and -2....