Learning Task 3. Solve each problem involving integers.
1. A mercury thermometer records a temperature of 8 degrees Fahrenheit at
10 A.M. If the temperature drops by 3 degrees Fahrenheit every hour, what
will be the temperature by 2 P.M. of the same day?
238828289882.ee
with solution po plss
1. A mercury thermometer records a temperature of 8 degrees Fahrenheit at
10 A.M. If the temperature drops by 3 degrees Fahrenheit every hour, what
will be the temperature by 2 P.M. of the same day?
238828289882.ee
with solution po plss
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Step-by-step explanation:
=8-(4hx3/h)
=8-12
=-4F
initial temperature = 8
Temperature drops by 3/hr
From 10 a.m to 2 pm, there is a difference of 4 hours
Then the final temperature
= 8° - (4 h x 3°/h)
= 8⁰ - 12
=
-4°F
2. the arithmetic series
The arrangement of the numbers is like this:
a, a+d, a+2d, etc,
so the temperature series :
8°F, 5°F, 2°F,...
a = initial term → initial temperature = 8° F
The formula for the nth term → 2 o'clock is the 5th hour(from 10 AM), so n = 5
xn=8+(5-1).-3
xn = 8
12=
-4°F