The one which has the greatest initial DOWNWARD velocity which is ball 4
-6x+3=45
-3 -3 subtract
-6x=45
Divide both sides by -6
X=-7
I think this is the answer
Well first you look at the exponent with 10. This is -7. This tells you to things. The negative tells you that you will be moving the decimal place to the left and the number 7 tells you how many times.
5.871
Shift for the first time
.5871
Shift for the second time
.05871
Shift for the third time
.005871
Shift for the fourth time
.0005871
Shift for the fifth time
.00005871
Shift for the sixth time
.000005871
Shift for the seventh time
.0000005871
Hey there!
When dealing with percents, whenever you see the were is or was, it is an equal sign. Here, we see that 45% of the music she listened to was country, and 27 songs were country.
0.45x=27
Now, we solve.
x=60
Therefore, Brianna listened to 60 songs.
I hope this helps!