Answer:
(j - 4) - 7
Step-by-step explanation:
[] Underlined means that part of the sentence was turned into an expression in the next step
what is 7 less than the <u>difference between j and 4</u>
<u>what is 7 less than the</u> (j - 4)
(j - 4) - 7
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
1. A 2. A 3. A 4. A Kind of odd that they all turn out to A.
Answer:
Step-by-step explanation:
From the given information:
We are to find the following:
1)
Directional hypothesis: The directional hypothesis is the groups with different bedroom lightning conditions having a different proportion of eyesight proportions.
2)
The non directional hypothesis is each group having the same proportion of eyesight problems regardless and independent of the condition of the bedroom lightning.
3)
Control group: Children that slept in darkness
4)
Experimental groups: Children that slept in night light and those that slept with lamp.
5)
Independent variable: Light condition of the bedroom
Dependent variable: Eye sight problem.
It would take 328 seconds or 5 minutes and 47 seconds
