A phone number is a 7-digit that does not start with 0. Call a phone numbers that make up of exactly 2 different digits. For example, "1111112" and "8111881" are acceptable, but "1111111" and "1234567" are not. How many possible phone numbers are there that contain 2 different digits?

Q: please answer the last 2 questions d and e

A:

Q: please send the solution photo.. thank uou

A:

Q: Number 43, please.

A: Given that  2+4+6---------+70  To fidn the sum

Q: Solve 4,5,6 thanks alot

A: First, try to visualize the figure and then according to the given question, whether it is revolved…

Q: Show the entire solution please

A: Given that  Probability of success (p)=0.70 Sample size =10  Let X denotes the number of seeds…

Q: please solve and show your work

A: Given:

Q: can you do the next part of the question please

A: In order to  estimate the parameters, we need to calculate the sample mean and sample variance of…

Q: Can you please answer this question

A:

Q: out

A:

Q: Find (i) the characteristic equation and (ii) the eigenvalues and corresponding - 3 5 eigenvectors…

A: Since you have posted multiple questions, we answered the first question for you. If you want any…

Q: Please solve all parts.

A:

Q: Number 24, please.

A: detailed solution is given below

Q: 22. Based on your results, what are your respective SSbetween, SStotal and MSbetween? Show your…

A: Given: n = 90 p = 0.002 MSE = 126.05 F(2,87) = 6.73

Q: The difference of a number and 6 is between 0 and 8 . Find all such numbers.

A:

Q: ssing 2 more questions

A: here we have to use Empirical rule  68% of the values are contained in μ-σ to μ+σ 95% of the values…

Q: Can you please answer this question

A: Given that :∫−60​f(x)dx=−8∫06​f(−x)dx=−8If f(x) is even function, then f(-x) = f(x) . Hence, FOR…

Q: Can you solve letter D from the posted question?

A:

Q: 3. Set up an integral (do not evaluate) that represents the area of the region that lies inside the…

A: We have to set up the integral to find the area.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.