Answer:
x+3y=-9
Step-by-step explanation:
-2(x+3y)=18
x+3y=18/-2
x+3y=-9
1. Add y to each side
That will get you 3x=8+y
2. Subtract 8 on each side
That will get you y=3x-8
<u>Answer:</u>
<u>given:</u>
- adjacent side: 10
- hypotenuse side: 20
<u>using cosine rule:</u>
For the answer to the question above,
$83.60 Increase 15.35 dollars 83.60 = $98.95
So the new price will be = $98.95
%4.75 Of $98.95 = $4.700125 Rounded it off to about $4.70
$98.95- $4.700125 = $94.249875 Rounded to about $94.25
The Final stock price was $94.249875 or about $94.25
I hope my answer helped you. Have a nice day!
Answer:
<em>3 seconds</em>
Step-by-step explanation:
Given the height modelled by the function
h(t) = -16t² + 16t + 96
The hit the water at h(t) = 0
0 = -16t² + 16t + 96
Divide through b y -16
0 = t² - t - 6
t² - t - 6 = 0
t² - 3t+2t - 6 = 0
t(t-3)+2(t-3) = 0
t+ 2 = 0 and t - 3 = 0
t = -2 secs and t = 3secs
Since t can't be negative, hence;
t = 3 secs
<em>hence it will take 3 seconds until Devon hit the water</em>
