24
x
^2
+
54
x
+
21,
if you would like me to explain how to do it, I can in the comments.
Answer:boys: median=50, mean=46
Girls: median= 33, mean=34
Step-by-step explanation:
Mean is the average. Median is the middle number. Both groups had 10 scores. Boys ranged from 15-81. Girls from 0-75; their mean & median would be less because their scores are less.
Answer:
3,-4
Step-by-step explanation:
im not sure if this is right or not but I tried
You need one equation for the physical nickels and dimes, which total to 21:
n+d=21
Secondly, you need one equation for the numerical value of those nickels and dimes. We know nickels are worth $0.05 and dime are worth $0.10:
.05n+.1d=1.70
Answer:
x = 50
Step-by-step explanation:
x/5 = 125/10
x * 10 = 125*4(cross multiply)
10x = 500 ( divide both sides by 10)
x= 50