Answer:
b
Step-by-step explanation:
When the object hits the ground , the h = 0 , that is
- 16t² + 54 = 0 ( subtract 54 from both sides )
- 16t² = - 54 ( divide both sides by - 16 )
t² = 
( take square root of both sides )
t = 
≈ 1.84 seconds ( to 2 dec. places )
The answer is c. Because insert x=2 into the equation and 2x2=4-3=1 sooo f(x)=1
A) divide actual inches by scale:
28/7 =4 cm
B) multiply actual cm by scale:
9 x 7 = 63 inches
Answer: 123
Step-by-step explanation:
Answer:
The materials price variance is usually the responsibility of the purchasing manager. The materials quantity and labor efficiency variances are usually the responsibility of production managers and supervisors.
