338 Answered Questions for the topic College Math

10/19/17

10/10/17

#### Transformation: Given the function f(x) PLEASE HELP

om the other.a) f(x) + 2b) f (x + 2)c) f(x) + f (2)Unit 6 DQ Follow-up #1: VariationUnit 6 DQ Follow-up # 1 question: If y varies directly as , explain why doubling x would not cause y to be... more
College Math Trigonometry

10/10/17

#### Find cos2x if sin(X)= 9/41.

Can you please show every step? Thanks!
College Math

10/06/17

#### how do i get the actual economy shrinkage?

If the national economy shrank at an annual rate of 4% per year for four consecutive years, then the economy shrank by 9% over the four-year period. The actual question is looking for a true or... more

10/05/17

#### A newspaper carrier has 5.50 in change.He has 5 more quarters than dimes but 3 times as many nickels as quarters.How many coins or few have type does he have?

Please explain how to do this in the easiest to understand way you can.

#### what is tan(sin^-1(3/7)+cos^-1(4/5))?

I get confused when I have to do the tangent part of the equation.

10/04/17

#### How do you solve cos(cos^-1(x)+sin^-1(x))?

Could you please show me your steps? Thank you!

10/03/17

#### Find the exact value of cos 15 degrees= sqrt(A)(sqrt(B)+1)/4...what is A and what is B?

I know how to get the answer, but for some reason, they want it in this format and I'm not sure how to do it this way.

#### Am I doing this right?

Kai takes off from parking structure 1 at 3:00 PM, driving north. One hour later, Jacob takes off from parking structure 1, too,  but he had south, and his speed is 15 mph more than Kai's. At... more

10/03/17

#### How to solve and what's the answer to the problem?

Colombian  coffee beans cost $5.50 per pound, while Peruvian coffee beans cost$4.25 per pound. We want to mix the beans together so as to produce a 40 pound bag, costing \$4.60 per pound. How many... more

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

09/29/17

#### implify and write the trigonometric expression in terms of sine and cosine: sec(t)-cos(t) divided by sec(t)=f(t)^2.

Please write in terms of sine and cosine!
College Math Math Statistics Probability

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

#### Factor the following polynomial by grouping. " wya + d - y - wda =

please helppppppppp

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.