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Answers by Candace S.

Hi Tyler,   How to solve Pythagorean identities (1+tan2x)/csc2 x     The Pythagorean Theorem is: sin2 x +cos2 x =1   If you divide each term by cos you get:   tan2 x +1 = sec2 x     For your problem (1+tan2x)/csc2...

y^2+13a+30 (answer)

Hi Lily,   y2+13a+30 I need help factoring this trinomial.♥   y2+13a+30   Since the sign of the last term is positive, the sign of both factors must be the same. Since the sign of the middle term is positive, then both factors are positive...

Hi Alex,   P=2l +2w If l=3.75 and P= 12.26. Solve for w   Substitute values into the given formula   12.26=2(3.75)+2w 12.26=7.5+2w 4.76=2w 2.38=w   ANSWER:  w=2.38   hope this helps you...

Hi Uriah,   Simplify the problem Simplify: x 5/3 __________________ [ x 1/3 (x 1/5)5] 3/4 ------> try to picture the numbers in fraction form like 5 over 3 and the x's are beside the fraction. The answer choices are: A. x3/5 B. x C. 5√x3 D. x2/3    ...

Hi Robb,   a manager pays servers 8.50 per hour and bussers 5.50 per hour. The manager needs 8 people staffed on Saturday nights but can only afford to pay a total of $59 per hour for staffing.   This can be solved using a system of equations.   Let s = servers let...

Hi Carolyn,   Solve for the variable and express the answer in set notation: |4x+5|=26-3x   for absolute value you need to have two equations:  one for the positive and one for the negative   4x+5=26-3x 7x+5=26 7x=21 x=3   -(4x+5)=26-3x -4x-5=26-3x -5=26+x -31=x   Check:...

Hi Josie,   tan ? =-1 is this possible Is this even possible   Yes Josie this is possible.   In quadrant I, the tan 45°=1 The sin 45°=√(2)/2 The cos 45°=√(2)/2   The tan 45°=sin 45°/cos 45°=1   So now you need to think:...

Hi Kayla,   Cameron has 11 adult fantail goldfish Cameron has 11 fantail goldfish. This is 7 fewer Fantail goldfish than his friend Julia has. Write and solve a subtraction equation to determine the number of fantail goldfish g that Julia has.   Let x= the number of...

Derivative (answer)

Hi Reej,     Derivative dx, d2fdx2, and  d3fdx3 for the function f(x)=x2−5x+6 And f(x)=7x−2x8   I am using prime notation because it is easier to format using this platform. f'(x) is the 1st derivative, f''(x) is the 2nd derivative and...

what are the most 5 basic units of matter?   An atom is the basic unit of matter. The atom is the basic building block of an element, and cannot be broken down further using any chemical means. Nucleus:  Region that is located at the center of an atom and contains most of...