Given:
Teddy has two sisters. One of them is 3 years younger than Teddy, the other one is 7 years younger than her only brother.
To find:
The age of older sister at the time when the younger sister was born.
Solution:
Let the age of Teddy be x.
One sister is 3 years younger than Teddy.
Age of one sister = x-3 years
The other one is 7 years younger than her only brother. It means other sister is 7 years younger than Teddy.
Age of other sister = x-7 years
Clearly (x-3) > (x-7). So, difference between the ages of sisters is
Therefore, the age of older sister is 4 years when the younger sister was born.
Answer:
105°
Step-by-step explanation:
Same-side interior angles are supplementary, so angle 4 and the one marked 75° are supplementary.
∠4 = 180° -75°
∠4 = 105°
Answer:
It is -1.602 x 10^-19 C, and the smallest unit of charge
Step-by-step explanation:
The charge on an electron is 
. The charge on electron is negative. The quantization of electric charge is :
q = ne
q is net charge
n is no of electrons
e is the electronic charge which is 
. Hence, the correct option is (b).
1,609.35 meters are in a mile.
3,600 seconds are in an hour.
1,609.35meters x 60miles = 96,561 meters per hour
96,561meters per hour / 3,600seconds = 26.82 meters per second
The answer to your problem is B. It’s showing how many ants there are to start and X represents the weeks witch the ants are multiplied every week.
