Answer:
Step-by-step explanation:
7x+5=7x+5
-7x. -7x
Answer is 5=5
1,748 divided by 76 equals 23
<span>Y=-2x+1, y=-2/3x+5
X= -3 and Y =7</span>
60m there's 60 minutes in an hour.
Answer
According to newton law of cooling
and
now At Ta = 100
T₀ = 10 °C
T₁ = 12° C
10 = C + 100
C = -90
now,
at time equal to t
T(t) = 70
t = 48.88 s
hence, after 48.88 s the temperature of the body will be 70°C
b) time taken to reach 98°C
t = 390 s
hence, after 390 s the temperature of the body will be 98°C