Answer:
B i think
Step-by-step explanation:
The only 5-digit numbers that do the job are 21,143 and 28,847 .
So, either
a = 1 and
b = 3
or
a = 8 and
b = 7 .
The sum of the values that 'a' can have is (1 + 7) = <em>8</em> .
I shall cherish every one of your generous 5 points.
Answer:
just a
Step-by-step explanation:
because if you do anything times by zero, it is zero.
Answer:
X=3/2 and 2/3
Step-by-step explanation:
6x^2 - 13^x + 6= 0
6x^2 - 4x - 9x + 6=0
By factorising...
2x(3x - 2) - 3(3x - 2)=0
(2x - 3) (3x - 2)=0
2x - 3=0
2x=3
X=3/2
3x - 2=0
3x=2
X=2/3
Hence, X=3/2 and 2/3