Can someone please help me with this math problem.
2 answers:
Answer:
1
Step-by-step explanation:
anything to the negative power makes it a fraction so 1/3 or 2/3. then just times all the numbers together once converted. (property of exponents)
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Let m the tens digit and n the ones
the Original number is 10m+n
7(m+n) =10m+n
7m+7n=10m+n
6n=3m
Reversing the number 10n+m
10n+m=18+n+m
9n=18
n=2
6n=3m
6(2)=3m
3m=12
m=4
the number is 10m+n=10(4)+2=42
Answer:
it's not English, sorry I can't help.
There is only one positive integer which is exactly twice the sum of its digits. find this 2 digit number
Answer:
B 16 : 24
Step-by-step explanation:
8 : 12 => when multiply by 2 = 16 : 24
Answer:
That depends on what you're asking.
EIther 41.18 or 58.82
Step-by-step explanation:
