Answer:
The solutions are: or .
Step-by-step explanation:
The given equation is
We rewrite in the standard quadratic form to obtain;
We split the middle term with -7,2 because their product is -14 and their sum is -5.
Factor by grouping;
Either or .
Either or .
Gia is correct for sure if her school has the same amount of students as her cousin's school. So, we don't know if she's right- it depends on the students in both schools.
Answer:
Step-by-step explanation:
Answer:
216
Step-by-step explanation:
72 + (72×2)=
72 + 144 =
216
Answer:
i think its 2,080
Step-by-step explanation:
the diameter is and the radius r== and height is h=.