Correct answer choice is:
C. Subjects may respond to a treatment simply because they believe it is affecting them.
Explanation:
A placebo is a material or procedure of no predetermined therapeutic utility. General placebos comprise inactive tablets, inactive injections, false surgery, and other methods.
Answer:
I believe it is 9.3%. Im pretty sure but i suggest someone check it just to be sure but i would go with this.
Answer:
Step-by-step explanation:
<u>Given expression</u>
(2x⁴ - 8x²y² - y⁴) - (-6x⁴ - 3x²y² + 5y⁴)
<u>Expand the parenthesis</u>
2x⁴ - 8x²y² - y⁴ + 6x⁴ + 3x²y² - 5y⁴
<u>Move like terms together</u>
2x⁴ + 6x⁴ - y⁴ - 5y⁴ - 8x²y² + 3x²y²
<u />
<u>Combine like terms</u>
Hope this helps!! :)
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9514 1404 393
Answer:
12
Step-by-step explanation:
The length of the hypotenuse, PQ, can be found from the Pythagorean theorem:
PQ² = QR² +PR²
PQ² = 3² + 4² = 25
PQ = √25 = 5
The perimeter is the sum of side lengths:
P = 3 + 4 + 5 = 12
The perimeter of this triangle is 12 units.
C=16h is the answer. "$16 times the number of hours" means 16×h, which is 16h, and this equals the total cost.