 312 Answered Questions for the topic College Math

College Math Algebra Algebra Help

10/19/17

#### Solve the systems of equations

4x+3y=-13 3x-5y=12   I have done this problem and cannot figure out what the answer is.
College Math Algebra Algebra Help

10/19/17

#### Find the equation of the line through the points (5,-6) and (-4,-6).

I got y=0/-9x-6 but it does not seem right.
College Math Algebra Algebra Help

10/19/17

#### Find the equation of the line with slope -3 and going through the point (3,11).

I got y=3x+20 and was wondering if it is right.

10/17/17

#### Unsure how to solve this word problem and how to get the answer.

A square and a triangle have the same area. The base of the triangle is 3 feet more than the side length of the square. The height of the triangle is 1 foot less than the base of the triangle.... more
College Math Percents

10/15/17

#### -4.60% to a decimal and fraction

provide a step by step
College Math Percents

10/15/17

#### 14.37% to a decimal then a fraction

what is it in a decimal and a fraction
College Math Functions Math Help

10/11/17

#### Inverse Functions

If f(x)=(x+2)/(x+9), then f^-1(-4)=?
College Math Algebra Functions

10/11/17

#### One to One Functions

If g(x) is one-to-one and g(-8)=4, then (g(-8))^-1=?
College Math

10/11/17

09/30/17

#### Use C to denote cos(x), and express 1+tan^2(x)=______ in terms of C. Similarly, express (1-sinx)(1+sinx)=____ in terms of C.

Hint: For the first part use the definition of the tangent function. For the second part use the third binomial formula: (a+b)(a-b)=a^2-b^2   Can you please show clear steps on how you got this?... more
College Math Math Statistics

09/28/17

#### If ​P(B)=0.4​, P(A|B)=0.5, P(B′​)=0.6, and​ P(A|B′)=0.7, what is P(B|A)?

Statistics probability problem. I could really use some help figuring out how to solve this.
College Math College Algebra

09/26/17