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On a shelf, looking from left to right:

   there are 4 choices for the first brand

      there are 3 choices for the second brand

         there are 2 choices for the third brand

            and there is only 1 choice for the last brand.

To find the total number of choices, multiply these numbers together:  4 x 3 x 2 x 1  =          <---  answer

To find the median of an even number of numbers, 

---  find the middle two numbers,

---  find the average of these two numbers (add them together and divide by 2) ...

Are you looking for the area?

To find the mean of a set of numbers, add all the numbers together and divide by the number of numbers ...

1.10^x  =  2.4

If the variable is an exponent, find the log of both sides:

log(1.10^x)  =  log(2.4)

An exponent within a log comes out as a multiplier:

x·log(1.10)  =  log(2.4)

Divide both sides by log(1.10):

x  =  log(2.4) / log(1.10)

x  =  9.185 ...

(a·b²)(5·a²·b³)(3·a³)  =  (5·3)(a·a²·a³)(b²·b³)  =  (15)(a⁶)(b⁵)  =  15a⁶b⁵

(add exponents when you multiply numbers with the same base)

In this case "between" does not mean to include the endpoints; so find the height of the bar for 15mph ...

how whats the answer??

Press (2nd) then (atan) then enter the value ...

If the weights are in the same proportion as their scale:

Matchbox/Real  --->   1/63  =  x/4750

Cross multiplying  --->  63·x = 1·4750

                                       63x  =  4750

                                           x  =  4750/63  =  75.4 oz                 (very unrealistic)

There are two choices for the first question:  T or F

There are two choices for the second question: T or F

Etc.

To find the total number of ways the test can be answered, multiply all the individual choices together:

--->  2 x 2 x 2x ... x 2          (twenty times)

How many cars are in the bar representing 20-25 mpg?                              <---  the height of the bar 

How many cars are in the bar representing 25-30 mpg?

How many cars are in the bar representing 30-35 mpg?

How many cars are in the bar representing 35-40 mpg?

How many cars are in the bar representing 40-45 mpg?

Find those individual answers and add them together ...

Formula for slope:  m  =  (y2 - y1) / (x2 - x1)

(x1, y1) = (5, 8)   --->   x1 = 5, y1 = 8

(x2, y2) = (1, 7)   --->   x2 = 1, y2 = 7

--->   m  =  (7 - 8) / (1 - 5)  =  -1/-4  =  1/4

To find the median weight, list the weights for Vet-1 from smallest to largest (if there are an even number of weights, find the middle value between the middle two weights). Then do this for Vet-2 and compare your answers.

To find the mean weight, add all the weights for Vet-1 and divide by the number of weights for that vet. Do the same for Vet-2 and compare your answers.

To find the range, subtract the smallest number from the largest number for Vet-1. Do the same for Vet-2 and compare your answers.

The mode is the number used most often for each vet. If every number is used only once, there is no mode. There can be two modes, if two numbers are tied for greatest usage.  

The median number is the number in the middle of a list when the list has been orgainized from smallest to largest.

In case of an even number of numbers, find the number that is halfway between the middle two numbers.

Another way to say this is to find the mean of the middle two numbers.

The middle two numbers are 35.90 and 45.98.

To find the mean of these two numbers, add them together and divide by 2:  (35.90 + 45.98) / 2

However, this isn't one of the choices ... did you forget to enter the fourth choise?

When pressed each sends a tiny pulse of electricity to the keyboard interface.

Range is usually defined as the largest number minus the smallest number.

What is the largest number?

What is the smallest number?

Subtract ...

Since the population is increasing from year to year, if you want to describe the change in population, subtract the beginning population from the final population. Which summary describes this subtaction?

What is the height of the bar that represents ages 31-45?

What is the height of the bar that represents ages 46-60?

Find the answers to the above two questions and add them together for the final answer.

what is 999x9999

A cube is the square-based prism with maximum volume. What are the dimensions of a cube whose total surface area is 150 cm²?

To find the mean, add all the numbers together and divide by the number of numbers.

Which one represents adding the numbers together and dividing by the number of numbers?

hello

The first one....the grades of  the entire class are variable......the answers to the other three questions are not.