Is the speedometer in a car used to find average velocity or instantaneous velocity

Instantaneous speed is calculated by distance traveled in an instant (hence instantaneous), while the average speed is calculated over a more appreciable time period. A quick way to check... The speedometer of a car shows its instantaneous speed (as we understand it) and not the average speed.

Speedometer gives the Instantaneous velocity

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

b.

hope this : )