Answer: it would result into a negative number since they are both negative, however if you imply real math rules it would result in positive five since the signs change when a negative and a negative becomes a positive
Step-by-step explanation:
Ok so the price is 172 dollars for 20 pounds. To find price per pound you divide the price by the total number of pounds, so 172 divided by 20 is $8.60 per pound.
He uses sin(x):
sinx = opposite side/hypotenuse = y/ (distance eath-sun)
Since x is known and y is known, then:
Distance earth-sun = y/sinx