Answer:
23 years old
Step-by-step explanation:
Let x = age of younger sibling.
Then, the age of the older sibling is x + 9.
x + x + 9 = 55
2x = 46
x = 23
Answer: 23 years old
The answer is sixteen thousand four hundred ninety
The answer is going to be 5162.
Answer:
Where are the answer choice's??
Step-by-step explanation:
Answer:
C) 3.0
Step-by-step explanation:
Let the length of the other side be x.
Using Pythagoras theorem for right-angled triangle,
4.2^2=2.9^2+x^2
or,x^2=4.2^2-2.9^2
or,x^2=9.23
or,x=√9.23=3.0 units
