Answer:
31
Step-by-step explanation:
ab + bc + ac for a = 2, b = 5, and c = 3
(2×5)+(5×3)+(2×3)
10+15+6
31
Answer:
SOLUTION STEPS
6
8
5
+−6
3
1
Multiply 6 and 8 to get 48.
8
48+5
−
3
6×3+1
Add 48 and 5 to get 53.
8
53
−
3
6×3+1
Multiply 6 and 3 to get 18.
8
53
−
3
18+1
Add 18 and 1 to get 19.
8
53
−
3
19
Least common multiple of 8 and 3 is 24. Convert
8
53
and
3
19
to fractions with denominator 24.
24
159
−
24
152
Since
24
159
and
24
152
have the same denominator, subtract them by subtracting their numerators.
24
159−152
Subtract 152 from 159 to get 7.
24
7
Step-by-step explanation:
The two systems have the same solution.
The correct answer is 3) since the first equation of system B is indeed the addition of the first equation of system A and 4 times the second equation of system A.
Answer: 3)
240 149/1000 fraction and 240.149 in decimal
