Answer:
Lol mcm soalan kamu salah. Pilih A je
Step-by-step explanation:
<u>Masukkan </u><u>nilai </u><u>ters</u><u>e</u><u>b</u><u>ut </u><u>dalam</u><u> </u><u>persamaan</u><u> </u><u>v</u><u> </u><u>=</u><u> </u><u>u </u><u>+</u><u> </u><u>at,</u>
42 = -8 + (-5)t
50 = -5t
t = -10
Answer:
c is the answer since you are trying to make the ys number (-/+) of the value the other y contains
(3) so you will multiply the first equation by -3 to be able to eliminate y
There’s no picture or anything.
Answer:
hours
Step-by-step explanation:
Let x be the time ( in hours ) you feel good and y be the time ( in hours ) that you get tired.
As per given , we have
x+y= 8
Since : 
So , we have
20x+12y=122
According to the given question , we have the following system of equations ,

Multiply 12 on both sides of equation (1) , we get

Eliminate equation (3) from (2) , we get

Hence, you felt
hours good.
Answer:
a) 16 in³
Step-by-step explanation:
Vol (cyl) = πr²h = 54
Vol (cone) = πr²h/3
54/3 = 16