¿ cuales de las siguientes ecuaciones son verdaderas? (4.7 x 10/4)+ (9 x 10/4)= 1.27 x 10/5
(7.08 x 10/3) + ( 2.21 x 10/3) = 9.29 x 10/6
(5.43 x 10/8) - (2.33 x 10.8) = 3.1 x 10/4
(9.35 x 10/6 - 6.7 x 10/6 = 2.65 x 10/6

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50