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Roman55 [17]
3 years ago
10

A double-blind experiment is used to increase the placebo effect. True or false

Mathematics
1 answer:
Alexus [3.1K]3 years ago
4 0

Answer:

True.

Step-by-step explanation:

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PLEASE HELP ME IT’S DUE TODAY
Mama L [17]

Answer:

ummmm

Step-by-step explanation:

3 0
3 years ago
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Let f(x) = (x − 3)−2. Find all values of c in (1, 7) such that f(7) − f(1) = f '(c)(7 − 1). (Enter your answers as a comma-separ
Sidana [21]

Answer:

This contradicts the Mean Value Theorem since there exists a c on (1, 7) such that f '(c) = f(7) − f(1) (7 − 1) , but f is not continuous at x = 3

Step-by-step explanation:

The given function is

f(x)=(x-3)^{-2}

When we differentiate this function with respect to x, we get;

f'(x)=-\frac{2}{(x-3)^3}

We want to find all values of c in (1,7) such that f(7) − f(1) = f '(c)(7 − 1)

This implies that;

0.06-0.25=-\frac{2}{(c-3)^3} (6)

-0.19=-\frac{12}{(c-3)^3}

(c-3)^3=\frac{-12}{-0.19}

(c-3)^3=63.15789

c-3=\sqrt[3]{63.15789}

c=3+\sqrt[3]{63.15789}

c=6.98

If this function satisfies the Mean Value Theorem, then f must be continuous on  [1,7] and differentiable on (1,7).

But f is not continuous at x=3, hence this hypothesis of the Mean Value Theorem is contradicted.

 

3 0
3 years ago
in a 7th grade class. There are 4 boys for every 5 girls, How many girls are in the class if there are 20 boys in the class
spin [16.1K]

Answer:

<u>Direct proportion</u>

4 boys = 5 girls

20 boys = 25 girls

4 0
3 years ago
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Which polynomial are in standard form
VMariaS [17]

Answer:

A and C

Step-by-step explanation:

Exponent from biggest to lowest

6 0
3 years ago
3x+122=22x-11<br>i need help!
nasty-shy [4]

3x + 122 = 22x - 11

    +11                + 11

3x + 133 = 22x

-3x            -3x

133 = 19x

x = 7

5 0
3 years ago
Read 2 more answers
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