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3 years ago

Which type of study best describes the following research most likely to be done?

Mathematics

2 answers:

horsena [70]3 years ago

8 0

Answer:

Blind Study

Step-by-step explanation:

The answer is blind study because in a double blind study neither the subjects or the researchers know the control group. in an open study everyone knows who is in the control group.

Ganezh [65]3 years ago

5 0

Answer:

Blind Study

Step-by-step explanation:

Blinded study: A study done in such a way that the patients or subjects do not know (is blinded as to) what treatment they are receiving to ensure that the results are not affected by a placebo effect

(Hope I Helped!)

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Fill in the blank. The absolute value of every nonzero integer is a(n) _____ integer.

Sedbober [7]

Answer: positive

The absolute value of every nonzero integer is a positive integer.

Examples are

|-2| = 2

|7| = 7

The absolute value represents distance which can never be negative. Negative distance does not make sense.

3 0

4 years ago

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What is the domain and range for this graph?

Kay [80]

Domain: -∞, ∞
range: -5,∞
(the commas mean through; ex.; -5,∞..... that means negative 5 thru infinity)

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4 years ago

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If it takes hodshi walks 10 meters in 3 seconds how long will it take to walk 100 meters

kotykmax [81]

Answer:

30 seconds

Step-by-step explanation:

10x10=100 3x10=30

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3 years ago

Find two integers whose sum is -9 and product is -10

BigorU [14]

Step-by-step explanation:

if the two integers are x and y

xy=-10

x+y=-9

x+(-10/x)=-9

x2+9x-10=0

(x-1)(x+10)=0

x=1 or x=-10

if x=1, y=-10

if x=-10, y=1

so the two integers are 1 and -10

5 0

3 years ago

Which is the simplified form of the expression ((2 Superscript negative 2 Baseline) (3 Superscript 4 Baseline)) Superscript nega

AlekseyPX

Answer:

The option "StartFraction 1 Over 3 Superscript 8" is correct

That is $\frac{1}{3^8}$ is correct answer

Therefore $[(2^{-2})(3^4)]^{-3}\times [(2^{-3})(3^2)]^2=\frac{1}{3^8}$

Step-by-step explanation:

Given expression is ((2 Superscript negative 2 Baseline) (3 Superscript 4 Baseline)) Superscript negative 3 Baseline times ((2 Superscript negative 3 Baseline) (3 squared)) squared

The given expression can be written as

$[(2^{-2})(3^4)]^{-3}\times [(2^{-3})(3^2)]^2$