Monday

March 2, 2015

March 2, 2015

Posted by **zana** on Thursday, October 13, 2011 at 7:13pm.

- pre-calculus -
**Reiny**, Thursday, October 13, 2011 at 7:18pmamount invested at 4% --- x

amount invested at 7.5% -- 100000-x

solve for x:

.04x + .075(100000-x) = 5050

- pre-calculus -
**betty**, Thursday, October 13, 2011 at 10:16pmsolve for x and express the solution in a+bi form : ix^2-3x+4i=0

- pre-calculus -
**Steve**, Friday, October 14, 2011 at 11:03amYou sure this is right?

ix^2 - 3x - 4i = (ix+1)(x-4i)

but that's not what we have.

So, using the good old quadratic formula,

x = (3 ± √5)]/2i

**Answer this Question**

**Related Questions**

pre-calculus - $100,000 is divided into two investments with annual returns of 4...

algebra - two investments were made totaling $15,000. for a certain year these ...

maths - an amount of Rs 5000 is put into three/investments at the rate of ...

accounting - Mr. and Mrs. Garcia have a total of $ 100,000 to be invested in ...

math - Two investments earn a total annual income of $2825. One investment is in...

Algebra - You invested $1 0,000 on two stocks paying 8% and 10% annual interest...

math - Miss Ramirez has invested $6,000 at 5%. How much additional money must ...

Math - A women has $500,000 invested in two rental properties. One yields an ...

business - A women has $500,000 invested in two rental properties. One yields an...

math - 1. Investment. Part of $25,000 is invested at 10 percent, another part is...