The sum of any two rational numbers is a rational number, so it's true.
Answer:
44
Step-by-step explanation:
1. substitute variables with their constants
(-9)(-3) - (-3)(8) - 7
2. multiply all like terms
(27) - (-24) - 7
3. Combine all like terms
27 + 24 - 7
51 - 7
= 44
Answer:
The length is 73m
Step-by-step explanation:
51x2=102
248-102=146
146÷2=73
Percent means parts out of 100
so 25%=25/100=5/20=1/4
'of' means multiply
so 25% of 64 means
1/4 times 64 or
64/4 or
32/2 or
16