Total people in the cafeteria = 7 + 48 + 45 = 100
There are 45 boys.
The probability would be the number of boys over the total number of people:
45/100, which simplifies to 9/20
Answer:
elaborate, this is vague
Step-by-step explanation:
Answer:
Step-by-step explanation:
a) set up the variables
Let x represent the first number Then y will represent the second number.
b) What is the equation that represents the above situation?
c) Solve the equation.
<u>Substitute x in the second equation and solve for y:</u>
- x + y = 51
- 2y + y = 51
- 3y = 51
- y = 51/3
- y = 17
<u>Then find x</u>
Answer:
** +2x
Step-by-step explanation:
All the other ones can be it any thing will have difference but how can you do it?
* -sign mutipulcation
2x+* can be different.
O c, OA is N X+2 and more is not a equation. * - can be times really any number.
Answer:
Since 
and 
, then the quadrilateral ABCD is a parallelogram.
Step-by-step explanation:
First, we label each point of the quadrilateral with the help of a graphing tool. If the quadrilateral ABCD is a parallelogram, then and . If we know that 
, 
, 
and 
, then the measure of each vector is, respectively:
Since and , then the quadrilateral ABCD is a parallelogram.
