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lubasha [3.4K]
4 years ago
12

Identify the explanatory variable and response variable in each of the studies

Mathematics
1 answer:
blondinia [14]4 years ago
8 0

Answer:

Step-by-step explanation:

Answer:

a) Explanatory variable is the study of cell phone usage while the response variable is the risk of brain cancer

b) Explanatory variable is the Records of more than three-quarters of a million surgical procedures conducted at 34 different hospitals, while the response variable is the mortality rate

c) Explanatory variable is the type of treatment given (Salk polio vaccine or a saline placebo injection) while the response variable is the polio rate.

Step-by-step explanation:

Explanatory variable are the variable been studied in a research while the response variable are the effects ( either positive or negative) of the explanatory variable that is studied.

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Give the equation of the resulting function.
Tom [10]

The function which results from the reflection of the given function; f(x) = 3^x is; f(x) = 3^(-x).

<h3>What is the equation of the resulting function?</h3>

It follows from the task content that the function given is; f(x) = 3^x.

The function in discuss is reflected across the y-axis, hence, it follows from transformation rules that the resulting function involves multiplying x by -1 as follows;

f(x) = 3^(-1×x)

f(x) = 3^(-x).

Read more on reflection over the y-axis;

brainly.com/question/15175017

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4 0
1 year ago
A) find the area of a circle with a radius of 6
natta225 [31]

Answer:

a ) 113

Step-by-step explanation:

a ) pi r square so pi x 36

3 0
3 years ago
Read 2 more answers
Type your answer in the box.<br>Evaluate y3 – 2y (y – 5) + 13 when y = -3​
kap26 [50]

Answer:

-62

Step-by-step explanation:

y³ – 2y (y – 5) + 13

when y = -3

y³ – 2y (y – 5) + 13

=(-3)³ – 2(-3) [ (-3) – 5] + 13  (by PEDMAS, evaluate parentheses first)

=(-27) + (6) (-8) + 13   (next do multiplication)

=(-27) + (-48) + 13

= -27 - 48 + 13

= -62

3 0
3 years ago
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sergejj [24]

Answer:

5/2

Step-by-step explanation:

use formula

m = ( \frac{y2 - y1}{x2 - x1} )

m = (  \frac{4 -  - 1}{2 - 0} )

m = ( \frac{5}{2} )

4 0
3 years ago
What is the common ratio of side AD to side WZ ( is the picture isn’t clear enough just ask me to tell u how big the parallelogr
Galina-37 [17]

Answer:

does this help in any way?

8 0
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