Answer:
i. x and a are increasing while y and b are reducing
Answer:
414
Step-by-step explanation:
substitute the given value 21 for x. so y=750-16(21)
y=750-336
y=414
8.722 / (-3.56)
Expand
by multiplying both numerator and denominator by 1000.

Reduce the fraction
to the lowest terms by extracting and cancelling out 178.
-
= -2.45
Answer:
approximately 43 - 44 minutes exact
L = rc
where c = angle in radians , r = radius and l = length of the arc
so
5.4 = 6 r
r = 0.9 radians
and this equals the angle at the center.
0.9