To convey as an algebraic expression simply break down the statements and use any variable to represent the number in the sentence.
10 • x^2 = 40x
10x^2 = 40x
10x^2 - 40x = 0
10(x^2 - 4x) = 0
X(x - 4) = 0
X = 0
X - 4 = 0
X = 4.
Here are two possibilities of what the number can be, but because it is a nonzero number, I believe it would be 4.
The answer is 6.6 repeating, so 6.6666...
So first I took 1 and 3/5 and put it into decimal form which gave us 1.6, then I did the same with 3 and 1/3 and got 3.3 repeating, and now I multiply these and get 5.33333 repeating, and now I add the 3 and 1/3rd to get 6.6666 repeating.
Answer:
P(X<118.81)=0.0803
Step-by-step explanation:
Assuming the distribution for the mean life is approximately normal, with mean 120 months and variance 64 months^2, we can calculate the parameters for a sampling distribution with sample size = 89 computers.
The sampling distribution mean will be equal to the mean for a single computer:

The standard deviation will be adjusted by the sample size as:

With these parameters, we can calculate the z-score for X=118.81.

Then, the probability that the mean of a sample of 89 computers is less than 118.81 months is:

Hello!
Explanation:
Distributive property: → a(b+c)=ab+ac
Expand.


First, add by 54 from both sides of an equation.

Then, simplify by equation.

You can also subtract by 3x from both sides of an equation.

Simplify.

Next, divide by 3 from both sides of an equation.

Answer: →
and 
Hope this helps!
Have a great day!
-Charlie
You can figure out this problem by multiplying 60 by 1.5
60x1.5=90
The car will go 90 miles in an hour and a half.