Answer:
14.7
Step-by-step explanation:
a^2+b^2=c^2
15^2+b^2=21^2
225+b^2=441
subtract 441-225=216
square root of 216 = 14.6969384567
= 14.7
Answer:
(2/x)3 or 3(2/x
Step-by-step explanation:
The quotient of 2 and x is expressed as 2/x Multiplied by 3 can be expressed as (2/x)3 or 3(2/x)
Answer:
51.36 = 2 x 25.68 & 77.04 = 3 x 25.68
Step-by-step explanation:
All you need to do is times 2 & 3 with 25.68 & you'll get your answer.
Given that:

- we cross multiply as follows:

- we divide both sides by G, as follows:


- Subtract 1 from both sides of the equation:


- multiply both sides of the equation by -1, as follows:


Therefore, we have that:

or: