04/27/20

#### Which expression is equivalent to log Subscript 3 Baseline StartFraction c Over 9 EndFraction?

04/27/20

#### Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.) t = − π 2 sin t = cos t = tan t =

Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.)
t = − π
2
sin t
=
cos t
=
tan t
=

04/26/20

#### Taxes and Percent

To avoid a tax penalty, at least 90% of a self-employed person's total annual income tax liability must be paid by April 15. What amount of income tax must be paid by April 15 by a person with an...
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#### Find the interval of convergence for the series. (Enter your answer using interval notation.)

Find the interval of convergence for the series. (Enter your answer using interval notation.) sum from n=1 to infinity n!(4x-1)^n

04/24/20

#### Use the given conditions to find the exact values

Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the double-angle formulas.sin(u) = −3/5, 3π/2 < u < 2π
sin(2u)
cos(2u) ...
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04/24/20

#### Math help asap!!!!

If using the method of completing the square to solve the quadratic equation x^2+13x+15=0, which number would have to be added to "complete the square"?

04/24/20

#### Your cell phone plan costs $24.99 per month plus $0.18 for each text message you send or receive. You have at most $30 to spend on your cell phone bill.

Your cell phone plan costs $24.9924.99 per month plus $0.180.18 for each text message you send or receive. You have at most $3030 to spend on your cell phone bill. What is the maximum number of...
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04/23/20

#### Determine the radius of convergence of the power series below. Then test the endpoints, if necessary, to determine the interval of convergence. express in interval notation

the sum as k=0 goes to infinity of, (x+4)^k/(k+1)•7^k

04/23/20

#### find cos(-135 degrees)

04/23/20

#### please please help and show work!

a person in a balloon which is 2,000 feet above the airport finds that the angle of depression to a ship out at sea is 21 degrees. find the horizontal distance between the balloon and ship (airport...
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04/23/20

#### finding the lenght, width, and height of a box with a square base and open box

A box with a square base and open top must have a volume of 97556 cm^3. We wish to find the dimensions of the box that minimize the amount of material used. (show detailed work please) Please...
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