Spinner labeled 1 to 7 gives each of the numbers 3, 5, and 7 a 3 10 chance of being landed upon. the chance of landing on each of the other four numbers is equal. a) if the spinner is spun 1,300 times, how many times do you expect it to land on the 5?

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

thats not a system of equations, that is a solution