Answer:
<u>x=6</u><u> y=16</u>
Step-by-step explanation:
I will use elimination
y=2x+4
y=2x+x-2
*3 y=2x+4 3y=6x+12
*2 y=3x-2 2y=6x-4
3y=6x+12
- 2y=6x. -4
<u>y=16</u>
16=2x+ 4
-4 -4
12= 2x
/2 /2
<u>6=x</u>
Answer:
M= D x V, V= M x D
Step-by-step explanation:
You just do the opposite of division since the original is:
Density= Mass/ Volume
Answer:
you should know this. you tell me how many?
Answer: Is this completing a a square?
Step-by-step explanation:
<span><span>First, factorise the quadratic equation a^2 - 9a+ 20</span><span>Find two numbers which add up to 9 and multiply to give 20. These numbers are 4 and 5.(a - 4) (a - 5)</span><span>
Does that make sense?</span></span>
