Hello!
In a really simple way, 3 times our answer is 19. We can just divide to find it.
19/3= 6 1/3
Anyway, it might be nice to solve the equation for b. If a=6, then b has to be 1/3, but let's check.
18+3b=19
3b=1
b=1/3
Therefore, a+b= 6 1/3
I hope this helps!
Answer: 0.0000805
Step-by-step explanation:
You move the decimal 5 places to the left of 8.05.
Answer:
or 
Step-by-step explanation:
The opposite of 
is 
Convert decimal number −0.75 to fraction 
.
Reduce the fraction to lowest terms by extracting and canceling out 25.
Least common multiple of 4 and 5 is 20. Convert 
and to fractions with denominator 20.
Since 
and 
have the same denominator, add them by adding their numerators.
Add -15 and 8 to get -7
Convert decimal number 0.4 to fraction 
. Reduce the fraction to lowest terms by extracting and canceling out 2.
Least common multiple of 20 and 5 is 20. Convert 
and to fractions with denominator 20.
Since and have the same denominator, add them by adding their numerators.
Add -7 and 8 to get 1.
Least common multiple of 20 and 4 is 20. Convert 
and 
to fractions with denominator 20.
Since and 
have the same denominator, subtract them by subtracting their numerators.
Subtract 15 from 1 to get -14.
Reduce the fraction 
to lowest terms by extracting and canceling out 2.
or
Hope this helps! Brainliest would be much appreciated! Have a great day! :)
The answer is A. (3,-1/2)
