Answer:
. In other words, there number of girls is 
.
Step-by-step explanation:
The average of a number of measurements is equal to the sum of these measurements over the number of measurements.
.
Rewrite to obtain:
.
For this question:
.
.
Therefore:
.
On the other hand, there are 
boys and girls in total. Using the formula for average:
.
From the question, this average should be equal to 
. In other words:
.
Solve this equation for 
to obtain:
.
.
.
In other words, the number of girls here is .
Answer:
(-3,2)
Step-by-step explanation:
when reflecting over the y axis all you have to do is flip the signs on the x values so it would be (-3,2)
The absolute value of a number is its distance away from zero. Depending on how far away a number is, it has a less or greater absolute value. (-2,-2) have the same absolute value while (-2,5) have a different absolute value. Which has a greater absolute value? -25 or 6? The answer: -25, it is farther away from zero.
Answer:
Not a function.
Step-by-step explanation:
The vertical line touches the graph at more than one point at once.
-4 is the slope in the equation
