Answer:
The best estimate for the average temperature in October at 10 a.m. is 73.8 degrees Fahrenheit.
Solution:
Number of hours after 5 a.m.: x
At 10 a.m.→x=10-5→x=5
yˆ=−0.37(5)^2+6.15(5)+52.3
yˆ=−0.37(25)+30.75+52.3
yˆ=−9.25+30.75+52.3
yˆ=73.8
Answer: The best estimate for the average temperature in October at 10 a.m. is 73.8 degrees Fahrenheit.
For this question, I would first see what one child is equal toby divide the children by the percentage.
15÷3= 5
Each child is worth 5%. If you know each child is worth 5%, and the total number of students are 100%, then you can divide.
100÷5= 20
There are 20 students in the class. To make sure our answer is right, we can check to see if 3 students are 15 percent.
3÷20= .15×100= 15
So yes, there are 20 students in the class.
Answer:
Brown hair is the most common
Step-by-step explanation: 0.33 as a percent is 33% and 2/5 as a percent is 40% and 40 is the most the 40% wins
Answer:
,
Step-by-step explanation:
calculate the product
multiply
multiply both sides by 
separate into two solutions
x = ± 