Answer:
The substance decays by 7.5% every year
Step-by-step explanation:
Answer:
constant of proportionality, k is 3
Step-by-step explanation:
constant, k= y/x
k=9/3
= 3
The 90% confidence interval is (70 - 4, 70 + 4). The margin of error is 4%.
Answer:
4•8 feet
Step-by-step explanation:
Distance= first floor × second ÷ escalator
Distance= 12feet × 12feet ÷ 30 feet
= 12×12÷30
= 4•8 feet
Answer:
you would have $2.98 left
Step-by-step explanation:
$4.59 x 2=9.18
3.00 x 3=9.00
$1.99 x 2=3.98
$9.18+$9.00+$3.98=22.16
$25.00-$22.16 = $2.89
