Answer:
c+2<1
Step-by-step explanation:
Since c is located slightly less than -1, and -1+2 = 1; then adding 2 to c would make it slightly less than 1.
Let:
x = the middle integer
Then the 3 consecutive integers are:
x - 1, x, x + 1
The product of the first and the third integer:
(x - 1)*(x + 1) = x^2 - 1
is equal to:
3 more than 3 times the second integer:
3x + 3
So:
x^2 - 1 = 3x + 3
Solve:
x^2 - 3x - 4 = 0
(x-4)(x+1) = 0
x = -1 and 4
Since x is the middle integer, we have two sets of solutions:
3,4,5 and -2,-1,0
Answer:
5
Step-by-step explanation:
I assume you mean "Find the ratio 30 : 6 in simplest from".
Ratio means division, so it's 30/6 = 5
Answer:
9-2i
Step-by-step explanation:
(1 + 2i) * (1 - 4i)
(1*1)-(1*4i)+(2i*1)-(2i)*(4i)
(1)-(4i)+(2i)-(8i^2)
i^2 = -1
1-4i+2i+8
1-2i+8
9-2i
