Asnwer this its khan academy i only get one try

Mathematics

1 answer:

miss Akunina [59]3 years ago

4 0

Answer:

hope this helps

have a good day :)

Step-by-step explanation:

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Suppose you want to test the effectiveness of a certain drug for treating a disease that said you wanted to see if using the dru

Fed [463]

Five factors that should be controlled are the dose of the medicine, the time the patients take this medicine, their diet, the stage of this disease and medicine composition.

<h3>Why should some factors be controlled?</h3>

This is done to avoid bias or imprecise results.

<h3>What factors should be controlled?</h3>

Factors related to the medicine itself and factors that can affect the results should be controlled. This includes:

The dose given to the patients.
The stage of the disease that should be similar for all patients.
The medicine compositon and manufacturer.
The number of day patients take the medicine.
The patients' diet.

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2 years ago

Whats the vertex for y=2x^2 -4x-2

tensa zangetsu [6.8K]

a = 2

h = 0

k = 0

find the vertex (h,k)

(0,0)

7 0

3 years ago

3+(2+8)2ndpower ÷4×(1/2) 4th power

PIT_PIT [208]

Answer:

412

Step-by-step explanation:

You have to follow PEMDAS and solve the problem carefully.

$\frac{3+(2+8)^{2} }{4*(\frac{1}{2} )^{2} } =\frac{3+(10)^{2} }{4*(\frac{1}{2} )^{2} } = \frac{3+100}{4*(\frac{1}{2} )^{2} } = \frac{103 }{4*(\frac{1}{2} )^{2} }$