Answer:
Option D -17.5 degrees is correct answer
Step-by-step explanation:
Since a calendar week has 7 days. and temperature is falling by -2.5 daily.
So, On Day 1 Temperature is -2.5 degrees
On Day 2 Temperature is -2.5 + -2.5 = -5 degrees
On Day 3 Temperature is = -5 + -2.5 = -7.5 degrees
On Day 4 Temperature is = -7.5 + -2.5 = -10 degrees
On Day 5 Temperature is = -10 + -2.5 = -12.5 degrees
On Day 6 Temperature is = -12.5 + -2.5 = -15 degrees
On Day 7 Temperature is = -15 + -2.5 = -17.5 degrees
So, Option D -17.5 degrees is correct answer.
Answer:
r = 2.5 cm
Step-by-step explanation:
The radius is 1/2 of the diameter
r = 1/2 (d)
r = 1/2 (5)
r = 2.5 cm
Answer:
assuming no doors or windows & that 5m is height:
4 walls = 4.67
roof = 2.4
Step-by-step explanation:
area of walls = 2(8x5)+2(6x5) = 140 m^2
140/30 = 4.67
area of roof = 8x6 = 48 m^2
48/20 = 2.4
Answer: D
Step-by-step explanation:
Adjacent sides of a rectangle are perpendicular. This means that the measure of angle HEF is 90 degrees.