Answer:
option A. 21 sec
Step-by-step explanation:
Speed = the distance over the time
Given:
Speed = 2 m/s and distance = 42 m and time = t
So,
2 = 42/t
Solve for t
t = 42/2 = 21 sec.
The answer is option A. 21 sec
Answer:
1. 4
2. 11
3. 18
4. 25
Step-by-step explanation:
Answer:combining like terms is technically putting values that have the same variable (letter) Or numbers together to make a more simplified equation
Step-by-step explanation:
13x-2. 2•5x=10x 2•-1=-2. 10x-2+3x=13x-2
Answer:
30
Step-by-step explanation:
the formula is a^2+b^2=c^2
18^2+24^2=c^2
900=c^2
c=30
