Answer:
Q=2
Step-by-step explanation:
hello :
the solution to the system is
{(x,y) : x-3y=4} means infinty solution
X-3y=4
....(*)
Qx-6y=8....(**)
multiply (*) by -2
-2x+6y = -8 (***)
add (*) and (***) : (Q-2)x =0
this ie true for reals x when Q=2
Answer:
Step-by-step explanation:
Given
Required
Find a and b
Substitute for x and y in
Rewrite as:
The above implies that (a) is correct;
Hence:
So, the equation is:
Answer:
Decreased by 40%!
Step-by-step explanation:
At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.
Answer:100
Step-by-step explanation:
2 x 2.4=4.8
4.8+3.2=8.0
15.5 x 8.0=124.00
124.00-24=
100
Answer:
A: - 15x - 30/7
Step-by-step explanation:
-5 (3x - 6/7)
Just distribute -5 to the values inside the parentheses.
-5 · 3x = -15x
-5 · 6/7 = -30/7
Now form it together:
-15x - 30/7
