12/2+4-2*3
According to the order of operations, evaluate division and multiplication first.
6+4-6
Then add and subtract from left to right
10-6
4
Final answer: A
First, the formula for the average of a data set must be defined. It is calculated by adding all the numbers in the data set and then dividing the sum by the number of data. In this case, the average is set to be equal to $400 with the total number of data being 3, with the September expenditure set as an unknown, x. The equation is then set-up to be: 400 = (401.5 + 250 + x)/3. Thus, Joshua can spend as much as $ 548.5 to be able to have the same average as in his second quarter expenditure.
Answer:
A math diagram is any diagram that conveys mathematical concepts. This includes basic charts and graphs as well as sophisticated logic and geometrical diagrams. ... Mathematical diagrams are often created to illustrate concepts in textbooks or for presentation posters used at conferences.
Step-by-step explanation: