Answer:
A Is false, because that'd be 300.
B Is correct, because 9 rounded to the nearest is 10, plus the 300 original.
C I don't know what a unit is, but if it's ones value, then that's incorrect. It'd be 310.
D Incorrect, you can't round and have ".8"
E. Incorrect, can't round and have any decimal numbers...
Step-by-step explanation:
Answer:
8,400 pound
Step-by-step explanation:
Since one car is 1,400 pound then just multiply 6 by 1,400 pound which is 8,400
Answer:
0.75
Step-by-step explanation:
X^2 - 4x +4 = (x - 2)^2
answer is B. second choice
---------------------
4x^2 + 5x - 8 + (- 4x^2 - 5x + 8) = 0
all ur doing is changing the signs so they will cancel each other out.
so ur adding : -4x^2 - 5x + 8
