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:
b= 4.260
Step-by-step explanation:
28^3=2165
divide both sides by 28
x^3= 2165/28
x=(2165/28)^(1/3)
x= 4.260232
Answer: y = -10/7 + 8x/7 x = 5/4 + 7y/8
Step-by-step explanation: Move all terms that don't contain y to the right side and solve. Move all terms that don't contain x to the right side and solve.