3 years ago

4. Find the product. 0.4 x 1.5 X 18p

Mathematics

1 answer:

lesya692 [45]3 years ago

3 0

Step-by-step explanation:

(0.4 x 1.5 )X 18p

(0.6) × 18 p

=10.8 p

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Leona [35]

Answer:

The initial temperature of the object was 37.6

Step-by-step explanation:

we have

$f(t)=Ce^{(-kt)} +20$

where

f(t) represent the temperature of the object in degree Celsius

t is the time in minutes

Find the value of the constant C

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substitute in the equation and solve for C

$35=Ce^{(-0.0399*4)} +20\\Ce^{(-0.0399*4)}=15\\C=15/e^{(-0.0399*4)}\\C=17.6$

Find the initial value of the object

we know that

The initial temperature is the value of f(t) when the value of t is equal to zero

For t=0

$f(0)=(17.6)e^{(-k*0)} +20\\f(0)=17.6 +20\\f(0)=37.6$

therefore

The initial temperature of the object was 37.6 (I not include units)

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4. Find the product. 0.4 x 1.5 X 18p​

4. Find the product. 0.4 x 1.5 X 18p