Answer:
b-4/5b
Step-by-step explanation:
b is decreased by 80%
dat is 80/100×b
= b-80/100b
b-4/5b
Answer: so no matter what substitution you put in for the variable s you will always get equivalent for 5s...
Step-by-step explanation:
when s=1 2(1)+3(1)=5(1) =2+3=5= equivalent
when s=2 2(2)+3(2)= 5(2)= 4+6=10 = equivalent
when s=3 2(3) +3(3) = 5(3) = 6+9=15 = equivalent
when s=4 2(4) + 3(4) = 5(4) = 8+12=20= equivalent
when s=20 2(20)+3(20)=5(20)=40+60=100= equivalent
Do 125 divided by 5=25. so, in 1 hour you would drive 25 miles.
Sec x = 1/Cosx
Pi radians = 180 degress
Pi/12 = 180/12 = 15 degrees.
Sec15° = 1/Cos15°
Sec pi/12 = Sec 15° = 1/Cos 15°
Cos 15° = 0.9659 using a calculator.
Sec pi/12 = Sec 15° = 1/Cos 15° = 1/0.9659 = 1.0353
Sec Pi/12 = 1.0353