Answer:
They should be blocked by body fat composition so the subjects are as similar as possible.
Step-by-step explanation:
It's D .
Blocking here means how should the subjects be arranged in terms of body fat or weight.
Option A is wrong because alphabetically controlling body fat would not get desired results.
Option B is wrong because different age groups would yield different results.
Option C is wrong also because weight loss is not dependent on taller people.
Option D is correct because controlling body fat would yield best possible results in ascending or descending order
Option E is incorrect because arranging data in ascending or descending order would simplify the researches experiments.
Answer:
y=15.2
Step-by-step explanation:
78=5y+2
-2 -2
76=5y
divide by 5 on both sides
15.2=y
Partially simplified, the equation says 10m + 5m = 10 + 45. Simplified further, it says 15m = 45. At this point, 45 is divided by 15 to isolate the variable. The answer is 3.
Simple....
you have

To solve...you must complete the square...
use

to create a new term...
x=1(+/-)

Thus, your answer.
(Or, x≈3.23606797, -1.236067967)
Hello there,
2.10 / 14 = 15 cents per ounce
Hope this helps :))
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