Mario made this model to find the product of a 3-digit number and al-digit number 400
80 2
8
Whai mulsplication equation represents Mario's model?
8 x 402=3216
8x428=3.424
8 x 480=3840
8x482=3.856

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:

im not sure

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!