Answer:
20 students
Step-by-step explanation:
Sample is basically a selected subset of a population. A researcher is investigating the effect of sugary cereal on the aggression of second graders during morning play period. For this purpose, a researcher selected 20 student and feed them a sugary cereal and then observe their behaviors. Here, 20 student are selected from the all second grader students. So, the sample in the conducted study are 20 students.
<span>the work shown is not correct. When the distributive property was used, the -10i should have changed to +10i, making the sum 8+12i. </span>
Answer:
B. Negative 4
Step-by-step explanation:
A boat with 13 gallons could travel 104 because 240 divided by 30 = 8 and then you do 8 x 13 = 104 miles. Hope this helps
The smallest value is 56.
First even number + second even number + third even number = 174
First even number: x
Second even number: x + 2
Third even number: x + 4
So, (x) + (x+2) + (x+4) = 174
3x + 6 = 174
3x = 168
x = 56
(56 + 58 + 60 = 174)
