Answer:
The two numbers are:
30 and 18
Step-by-step explanation:
a + b = 48
a - b = 12
From the first eq.
a = 48 - b
Replacing this last value in the second eq.
(48 - b) - b = 12
48 - 2b = 12
48 - 12 = 2b
36 = 2b
36/2 = b
18 = b
from the first eq.
a + 18 = 48
a = 48 - 18
a = 30
Check:
from the second eq.
a - b = 12
30 - 18 = 12
Answer:
they spend the time for swimming is 11/4 ✖ 2 =22/4
that's means in hours =5 hours 30 minutes
So.. 55x3=165
165 is already in its simplest form I don’t think you can square root it
Answer:
C
Step-by-step explanation:
Because i'm smart and did the math.
To find the circumference the formula is C=2(3.14)r
So C = 2(3.14)(6)
C= 37.69 or 37.7