Answer:
Solve
Let's solve your equation step-by-step.
x−98+877=654
Step 1: Simplify both sides of the equation.
x−98+877=654
x+−98+877=654
(x)+(−98+877)=654(Combine Like Terms)
x+779=654
x+779=654
Step 2: Subtract 779 from both sides.
x+779−779=654−779
x=−125
Answer:
x=−125
Explanation:
this question is incomplete but I have added The Answer options to your question
a) He does not have a hypothesis.
b) He only has one group. He has not established a comparison
c) He has not measured an outcome.
d) The groups were not equal to begin with.
Answer:
b) He only has one group. He has not established a comparison
Explanation:
A randomized controlled experiment can be defined as an experiment that has two groups which it randomly assigns participants to.
These two groups are:
1.) the experimental group and
2.) The controlled group on whom the study is being performed.
Now Alberti does not have any of these groups we have listed. He performed the testing on the same people before they consumed alcohol and after they consumed alcohol. Therefore this study was not comparative in nature.
<span>affect a child's ability to learn and get along with others, some people think an ADHD child's behavior is caused by a lack of discipline, a chaotic family life, or even too much TV.</span>
ANSWER: 1. is 8.5
Explanation: Im doing the assignment for the blank document in edgnuity