Answer:
Step-by-step explanation:
3x - 1 = 3x + 7
-1 ≠ 7
no solution
Answer:
4.048 hours
Step-by-step explanation:
A = Pe^(rt)
After 1 hour, the amount decreases by 29% (A = 0.71P), so r is:
0.71P = Pe^(r×1)
0.71 = e^r
r = ln(0.71)
r = -0.342
P = 400. When A = 100, the time t is:
100 = 400e^(-0.342 t)
0.25 = e^(-0.342 t)
ln(0.25) = -0.342 t
t = -ln(0.25) / 0.342
t ≈ 4.048
Approximately 4.048 hours have passed.
Answer: $4
Step-by-step explanation:
Ralf is looking for a new baseball cap that his favorite team's logo on it and then finds one that normally sells for $17.99 on sale at 20% off.
We are to find the discount to the nearest cent. This will be:
Selling price= $17.99
Percentage off= 20%
Discount= Percentage off × Selling price
= 20% × $17.99
= 20/100 × $17.99
= 0.2 × $17.99
= $3.598
To the nearest cent, it will be
$3.598 = $4
The discount is $4 to the nearest cent.
Answer:
Net change in the amount of sausage Sal had from Friday morning until after dinner service Saturday night = 8 - 0 = 8 ft
Step-by-step explanation:
Amount of sausage links made on Friday morning = 8 ft
Amount of sausage links used on Friday night = 4 ft
Amount of sausage links remaining = 8 - 4 = 4ft (i)
Amount of sausage links made on Saturday morning = 8 ft (ii)
So,
Total amount of sausage links = 8 + 4 = 12 ft (from (i) and (ii) )
Amount of sausage links used on Saturday night = 12 ft
Amount of sausage links remaining = 12 - 12 = 0 ft
Net change in the amount of sausage Sal had from Friday morning until after dinner service Saturday night = 8 - 0 = 8 ft
Answer:
d. 9
Step-by-step explanation:
it can't be the rest... ion even know how to explain it.
