A 109 N force and a 49 N force act on the same object. The angle between the forces measures 90 degrees. Find the magnitude of the resultant force.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?