Answer:
2r+1
Step-by-step explanation:
-5r-8+9+7r= (-5r+7r)+(-8+9)
Solve:
2r+1
Hope this helps!
Answer:
Length = 13
Width = 7
Step-by-step explanation:
Given:
length = 2(width) - 1
Area of a Rectangle = lω = 91 cm²
Calculation:
Area of a Rectangle = lω = 91 cm²
(2ω-1)ω = 91
= 2ω²- ω - 91 = 0
=(2ω+13)(ω-7)=0
ω = -6.5 ω=7
length = 2(width) - 1
l=2(7) - 1
l = 13
Answer:
d. 60
Step-by-step explanation:
According to Gay Lussac's Law
P1/T1=P2/T2 where
P1= Pressure at the start, T1 = initial Temperature
, P2= Final Pressure, T2 =Final Temperature
T1=P1*T2/P2= 7*420/49=60
Answer: that should be B !! so sorry if wrong..
Step-by-step explanation:
