I=10^(1-0.13x)
When I=4.2, then:
4.2=10^(1-0.13x)
ln 4.2=ln(10^(1-0.13x))
ln 4.2=(1-0.13x)ln (10)
1-0.13x=ln 4.2 / ln 10
-0.13 x=(ln 4.2 /ln 10)-1
x=[(ln 4.2/ ln 10)-1] /(-0.13)
x=-0.37675/(-0.13)
x=2.898...≈2.9
Answer: The depth of water at which most aquatic plansts recieve the requred light would be 2.9 m
Answer:The domain includes all of the 'X' values in the function which is this case is all X values that are members of the reals between negative infinity to positive infinity. The range is the set of 'y' values that result from the given domain
step-by-step explanation:
Hope it helps!
Answer: 12 gallons
Step-by-step explanation:
Use proportion to estimate how much gas she needs for 204 miles.
10:120=x:204
204*10=120x
x=2040/120
x=17 gallons
For 204 mile trip Trina needs 17 gallons of gas. She has 5 gallons.
17-5=12
She will need 12 gallons of gas.
I could be wrong but I think it’s 787 (786.5 but rounded would be 787)