The College Board states that the average math SAT score is 514 with a standard deviation of 117. Colleen gathered data from 50

Answer:

f=-15/4

Step-by-step explanation:

Answer:

The radioactive substance will decay in 17.70 hours .

Step-by-step explanation:

Given as :

The rate of decay of radioactive substance = 4 %  per hour

Let The original weight of substance = w

The final weight of substance =

Let the hours for decay of substance = n

Now,

The weight of substance after n years = The original weight of substance ×

or,

= w ×

Or, =

or,   =

or,   =

Taking log both sides :

Log   = Log

So, Log = n × Log

∴ - 0.301 =  n × ( - 0.017 )

So , n =

I.e n = 17.70  hours

Hence The radioactive substance will decay in 17.70 hours . Answer

Answer:

128 fl oz

Step-by-step explanation:

Answer:

y+2 = -3(x-2)

Step-by-step explanation:

Point slope form of an equation is

y-y1 = m(x-x1) where m is the slope and (x1,y1) is a point on the line

y - -2 = -3( x-2)

y+2 = -3(x-2)