Answer:
Mary's brother practiced 4 times as long.
Step-by-step explanation:
Mary practiced violin for 2 hours.
Her brother practiced trombone t times as long or 8 hours.
t times of 2 hours = 2t hours
But, 2t = 8
Divide both sides by 2.
t = 4
Hence, Mary's brother practiced 4 times as long as Mary.
Answer:
25
Step-by-step explanation:
100 as the denominator. You should slide it twice to the right. like this 0.25
2.5 then 25
Also kid named luke I will make you life very bad if you report anyone who is just trying to help.
Answer:
perpendicular slope = 
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (6, - 6) and (x₂, y₂ ) = (- 1, - 3)
m =
=
= - 
Given slope m then the slope of a perpendicular line is
= -
= -
= 
Answer:
310 yards and 1,240 yards
Step-by-step explanation:
Let first football player rushed x yards.
One football player rushed 4 times as many yards as the other, then the second player rushed 4x yars.
In total, they rushed
yards.
Last season two running backs on the Steelers football team rushed or a combined total of 1,550 yards.
Hence,
