The answer is <span>The two equal sides have a length of 4,</span>
<span>the third side has a length of 6.</span>
The correct answer is ∠Y = 75°
because
45°∠A ∼ ∠X
∠B ∼ ∠Y = 75°
60°∠C ∼ ∠Z
45 + 60 = 105
180 -105 = 75
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.
12 + h - 5 + h + 20h
= h + h + 20h + 12 -5
= 22h + 7 (Ans: D)
The product of 12*50 can be used to find the product of 12*49 because it is only 12 more than the product of 12*49
