Answer:
6.5
Step-by-step explanation:
I'm not sure if its right but:
(2 × x) - 8 = 5
2x = 13
x = 6.5
Answer:
24
Step-by-step explanation:
in one hour he can serve 12, hence 12x2=24
Answer:
29.7cm²
Step-by-step explanation:
The area of the shaded region = area of rectangle - area of circle
Area of rectangle:
A=lw
=7*5
=35cm²
Diameter of circle is 2.6cm. Radius is half diameter: 2.6/2=1.3cm
Area of circle:
A=πr²
=(3.14)(1.3²)
=5.3066cm²
35 - 5.3066 = 29.6934cm²
Answer:
(a) 
(b) 
(c) At 4 weeks, when both will be seeing an average of 3 hours of TV.
Step-by-step explanation:
a) For the students, they start at X(0)=5 h and ΔX=-0.5 h/week.
We can write

b) For the professors, they start at X(0)=1 h and ΔX=+0.5 h/week.
We can write

c) The seew which they will be watching the same amount of hours will be the 4th week.

The amount of hours will be
