It is B because we wanna find what line goes over the dots better.
Answer: -4
Step-by-step explanation:
3 times that number→3x
Difference of the square of a number and 28→x^2-28
x^2
−28=
3x
-3x
=-3x
x^2-3x-28=0
(x-7)(x+4)=0
x-7=0
x+4=0
x=7 x=-4
{Negative Solution: }-4
Negative Solution: −4
Answer: the total number of entries at the fair is 350
Step-by-step explanation:
Let x represent the number of entries that were there at the fair.
At a county fair, 50% of the entries are livestock. This means that the number of livestock at the fair was
50/100 × x = 0.5x
Of those entries, 80% are sold at the auction. This means that the number of entries that were sold at the auction is
80/100 × 0.5x = 0.4x
If 140 entries of livestock are sold at the auction, it means that
0.4x = 140
x = 140/0.4
x = 350
Answer:
The value of 
is 10.
Step-by-step explanation:
If APR and SPL are vertical angles, then we get that 
. Given that 
and 
, we find that the value of is:
The value of is 10.
