Answer:
i think its B
Step-by-step explanation:
sorry if its wrong have a good day/night ;)
A. 12*x + 2*y = 90
6*x + 2*y = 60
To write system of equation you just need to sum all solo and ensemble acts and make it equal to how much they will last for.
B. Here we can multiply second equation with negative 1 and add it to first equation.
6x = 30
x = 5
now we replace x in any of 2 equations to get y.
30+2y = 60
2y = 30
y=15
Solo acts are 5 minutes long and ensemble acts are 15 minutes long
Answer:
18
Step-by-step explanation:
Answer:
I believe its D , to increase the acceleration of a object you have to increase the force preferably ,the mass kind of slows it down because of the weight .
But d is the most legit answer so :p
hoped I helped -
Sleepy~
