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3 years ago

An operational definition is used to ____ a hypothetical construct.

2 answers:

8 0

An operational definition can both define and measure the hypothetical construct. The hypothetical construct is also called psychological construct is an explanatory variable which cannot be directly observed. It is also a tool to understand someone’s behavior. For example measuring you friend happiness.

Ratling [72]3 years ago

5 0

Answer:

The answer is measure.

Step-by-step explanation:

An operational definition is used to MEASURE a hypothetical construct.

An operational definition is how the researcher decides to measure the variables as in a study, a variable is an entity that can be measured.

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zhannawk [14.2K]

Answer:

C. $N(t)=150\cdot 3^t$

Step-by-step explanation:

You are given the exponential function $n(t)=ab^t.$

From the table, $N(t)=150$ at $t=0,$ thus

$N(0)=a\cdot b^0\\ \\150=a\cdot 1\ [\text{ because }b^0=1]$

Also $N(t)=450$ at $t=1,$ thus

$N(1)=a\cdot b^1=a\cdot b.$

Since $a=150,$ substitute it into the second equation

$450=150\cdot b\\ \\b=\dfrac{450}{150}\\ \\b=3$

and the expression for the exponential function is

$N(t)=150\cdot 3^t$

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3 years ago

Solve the following system of equations: y = 5/4x - 2 y = -1/4x + 19 x = ? and y = ?

Dmitry [639]

Answer:

1. y= 5 /4 x −2

2.x=−4y+76

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2 years ago

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RideAnS [48]

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2 years ago

Michael and Lindsey are saving money. Michael begins with $20 and saves $5 per week. Lindsey begins with no money, but saves $10

True [87]

Let
x----------> number of weeks
y----------> saved money

we now that

Michael begins with $20 and saves $5 per week
so
y=20+5x------> equation 1

and
Lindsey begins with no money, but saves $10 per week
y=10x-------> equation 2

the number of weeks it will take for Lindsey and Michael to save the same amount of money is when equation 1 is equals to equation 2

therefore
20+5x=10x------> 10x-5x=20------> 5x=20-----> x=20/5-----> x=4 weeks

the answer is
4 weeks

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2 years ago

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hram777 [196]

Answer:

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Step-by-step explanation:

mmnmmmmmmnmmmmmm

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2 years ago