Answer:
If you have a perpendicular shape, like a plus sign, usually what I was taught, right whole side of the "plus" sign are negative. The left side is positive. I think it's how you say it.
Step-by-step explanation:
Answer:
1.38 x 10^4 that’s it in scientific notation
Step-by-step explanation:
Answer:
d=12
Step-by-step explanation:
15-d/4+2=1/2
15-d/6=1/2
2(15-d)=6
30-2d=6
30-6=2d
24=2d
d=12
Answer:
yes
Step-by-step explanation:
Trinomial means the equation consists of 3 terms therefore 2x+5y+7z is a trinomial.
A. 4x-4
We want the expressions to be equal, and:
4(4x-4)= 16x-16
So, A is the answer