$MathMaster logo$

MathMaster

Home
general
the simple average of 15 30 40 and 45 is

Question

The simple average of 15 , 30 , 40 , and 45 is

273

likes

1366 views

Answer to a math question The simple average of 15 , 30 , 40 , and 45 is

$Expert avatar$

4.8

113 Answers

$\frac{ 130 }{ 4 }$

$\begin{align*}&\frac{ 65 }{ 2 } \\&\begin{array} { l }32 \frac{ 1 }{ 2 },& 32.5\end{array}\end{align*}$

Frequently asked questions (FAQs)

What is the measure of angle A if the angle bisector of A makes a 70-degree angle with one side?

+

Question: Find the values of x that satisfy the cubic equation x^3 - 7x^2 + 16x - 12 = 0. How many solutions are there?

+

How many x-intercepts does a quadratic function with a vertex at (3, 4) and a y-intercept at (0, -2) have?

+

New questions in Mathematics

3(4×-1)-2(×+3)=7(×-1)+2

If O(3,-2) is reflected across x = 2. What are the coordinates of O

I need .23 turned into a fraction

A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?

Estimate the fifth term if the first term is 8 and the common ratio is -1/2

You are planning to buy a car worth $20,000. Which of the two deals described below would you choose, both with a 48-month term? (NB: estimate the monthly payment of each offer). i) the dealer offers to take 10% off the price, then lend you the balance at an annual percentage rate (APR) of 9%, monthly compounding. ii) the dealer offers to lend you $20,000 (i.e., no discount) at an APR of 3%, monthly compounding.

the probabilty that a person has a motorcycle, given that she owns a car 25%. the percentage of people owing a motorcycle is 15% and that who own a car is 35%. find probabilty that a person owns any one or both of those

how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE

Solve this mathematical problem if 3/5 of a roll of tape measures 2m. How long is the complete roll?

The maximum gauge pressure of a hydraulic ramp is 16 atm, with a support area whose diameter is 20 cm. What is the mass of the heaviest vehicle that can be lifted?

User One of the applications of the derivative of a function is its use in Physics, where a function that at every instant t associates the number s(t), this function s is called the clockwise function of the movement. By deriving the time function we obtain the velocity function at time t, denoted by v(t). A body has a time function that determines its position in meters at time t as S(t)=t.³√t+2.t . Present the speed of this body at time t = 8 s.

Calculate the difference between 407 and 27

Write an expression using compatible numbers that can be used to estimate the quotient 629\86

You buy a $475,000 house and put 15% down. If you take a 20 year amortization and the rate is 2.34%, what would the monthly payment be?

Select a variable and collect at least 50 data values. For example, you may ask the students in the college how many hours they study per week or how old they are, etc. a. Explain what your target population was. b. State how the sample was selected. c. Summarise the data by using a frequency table. d. Calculate all the descriptive measures for the data and describe the data set using the measures. e. Present the data in an appropriate way. f. Write a paragraph summarizing the data.

It costs a manufacturer $2,500 to purchase the tools to manufacture a certain homemade item. If the cost for materials and labor is 60¢ per item produced, and if the manufacturer can sell each item for 90¢, find how many items must he produce and sell to make a profit of $2000?

Define excel and why we use it?

Mark is gluing a ribbon around the sides of a picture frame. The frame is 11 inches long and 7 includes wide. How much ribbon does Mark need?