Answer:
x=-8 or x=2
Step-by-step explanation:
x² + 6x - 6 = 10
x² + 6x - 6 - 10 = 0
x² + 6x - 16 = 0
= (x + 8)(x - 2)
x + 8 = 0
x = -8
x - 2 = 0
x = 2
Answer:
3mph
Step-by-step explanation:
notice that for every 1 hr, 3 miles is been travelled
Answer:


Step-by-step explanation:
, 
Replace all occurrences of
in
with 


Add
and 3.


Subtract 5x from both sides of the <u>equation.</u>


Subtract 5x from 3x.


Rewrite 1 as
.


Check that the middle <u>term</u> is two times the <u>product</u> of the numbers being squared in the first <u>term</u> and third <u>term</u>.
·
· 

Rewrite the <u>polynomial</u>.
·
·


Factor using the <u>perfect square</u>
<u>trinomial</u> rule 
where a = x and b = 1.


<u>Set</u> the
equal to 0.


Add 1 to both sides of the <u>equation</u>.


Replace all occurrences of
in
with 1.



Answer:
B C D
Step-by-step explanation:
We use samples when using an entire population is not feasible.
It is not reasonable to ask every pick-up truck driver what they want their next purchase to be; there are too many owners of pick-up trucks. This means we should use a sample.
Many people drive a highway that connects two large cities. It is not reasonable to survey every person that drives it, so we should use a sample.
On a busy road, we may have many pedestrians; this means we should use a sample instead of the entire population.
XOXO
Kit
brainly.com/question/17113732 <-- hopes this link helps ya ^w^
Answer:
Step-by-step explanation:
The last three are irrational but I'm not sure about the first four.