Answer:
About 5 hours
Step-by-step explanation:
Hope it helps
Good evening ,
Answer :
A.
x = ±20
Step-by-step explanation:
x² − 1 = 399 ⇔ x²= 400 ⇌ x² = 20² ⇌ x² − 20² = 0 ⇌ (x-20)(x+20) = 0
⇌ x = 20 or x = -20.
:)
Answer:
$16.80 per hour.
Step-by-step explanation:
So you got 420 dollars earned last week. Jerry worked for 25 hours and if you divide.
You’d find the unit rate which is 420/25 and get 16.8.
$16.80 per hour.
Answer:
(v+6)(v+1)
Step-by-step explanation:
You need to factor the equation.
Try plugging in the quadratic formula