Answer:
A=21
Step-by-step explanation:
a/7 + a/3 = 10
3a/21+7a/21=210/21
3a+7a=210
10a=210
a=21
<span>A perfect power is a positive integer that can be expressed as an integer power of another positive integer.
More formally, n is a perfect power if there exist natural numbers m > 1, and k > 1 such that
.
Sometimes, some fractional or decimal radicants are not perfect power, yet they evaluate to a terminating decimal or recalling decimal.
Example: 6.25 is not a perfect power, but
.
Therefore, </span><span>A radical whose radicand is not a perfect power is a rational number</span> SOMETIMES.
Answer:
2451
Step-by-step explanation:
1 gallon is = to 3.8 liters so i did 3.8 * 645 because there is 645 gallons of water.
Answer:
See the proof below
Step-by-step explanation:
Let's assume that our random variable of interest is Y and we have a set of parameters in the original network.
And let's assume that we add an additional parameter and we want to see if the likehood for
We don't know the distribution for each parameter but we can say that the likehood function for the original set of parameters is given by:
And in order to maximize this function we need to take partial derivates respect to each parameter like this:
We just need to set up the last derivate equal to zero and solve for the parameters who satisfy the condition.
If we add a new parameter the new likehood function would be given by:
And in order to maximize this function again we need to take partial derivates respect to each parameter like this:
We are ssuming that we have the same parameters from 1 to k for the new likehood function. So then the likehood for the data would be unchanged and if we have more info for the likehood function we are maximizing the function since we are adding new parameters in order to estimate the function.