A is your answer for the Fatima's age one
C is question 1
Answer:
A rectangle.
Step-by-step explanation:
To graph the points find their pairs on a graph and leave a mark in so area. Eventually, it'll reveal the shape.
Hope this helps,
Davinia.
2 x $1150 + $1049.34 = $3,349.34.
Answer:
612 Hz.
Step-by-step explanation:
The frequency of the sound will be proportionally higher when coming towards you. The increase is related to the speed of the train.
So the frequency will be:
580 + (580 / 343) * 18.8
= 612 Hz.
This is called the Doppler effect.