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:
Find XY. Find XZ. Find angle WVX. Find angle XYV.
Step-by-step explanation: Find XY. Find XZ. Find angle WVX. Find angle XYV= 89
find (f+g)(x)
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Answer:
x=20
y=70/3 which is about 23.3
Step-by-step explanation:
Write a proportion of all similar sides
you would divide 1700 by 40
1700/40= 42.5
there for the unit ratio would be 42.5 meters per minute
Answer:
→ please refer to the above attachment ←
<h3>★ Cost of senior ticket is $12.</h3><h3>★ Cost of student ticket is $14.</h3>