(38.3 - -1.2) = 39.5
Anytime you have two minuses beside each other, you add.
If you have a plus sign in the middle, but one of the numbers is negative you subtract.
Hope that makes sense ! (:
It would take 4 more days for the fern to be three times the height of the tree. The fern would be 15 feet tall and the tree would be 5 feet tall.
The pythagorean theorem states that in a right triangle, a² + b² = c².
Since a = b here, we square 15 and get 225 then double it to get 450. Then we find the square root of that: d is Approximately 21.213.
Hope this helps!
50
uhh as each scientific notation is 10 more, so therefore 5 x 10
50
The gcf is the greatest common factor. The smallest number that can be divided by both 40 and 48.
