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3 years ago

Which is NOT a statistical question that might be used to gather data from a certain group?

1 answer:

4 0

A statistical question have varies of answers that cannot be yes or no.

D is not a statistical question because it uses yes or no, does not give varies of data

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What is the inverse of the function

OleMash [197]

Answer:

second option

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = x - 9 ( add 9 to both sides

y + 9 = x

Change y back into terms of x with x = $f^{-1}$ (x) , then

$f^{-1}$ (x) = x + 9

6 0

3 years ago

What type of number is 4over5

Romashka [77]

Wouldn't 4/5 be a fraction because 4/5 is not a whole number. its a part not a whole so its a fraction

8 0

3 years ago

Read 2 more answers

Which numbers are irrational or rational?

My name is Ann [436]

Answer:

Rational:

Square root of 81

2 1/3

3.4

-9

- 3/10

Irrational:

3.3333333...

Step-by-step explanation:

Rational numbers terminate or end, irrational don't.

5 0

4 years ago

Yesterday Jamal scored -20

Nastasia [14]

That’s all? That give me no info to help you bud

8 0

3 years ago

A statue is mounted on top of a 42 foot hill. From the base of the hill to where you are standing is 73 feet and the statue subt

larisa [96]

Answer:

19.72 ft

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation between angles and sides of a right triangle:

Tan = Opposite/Adjacent

Then the relations in the attached drawing are ...

tan(α) = 42/73

tan(α +10.3°) = (42 +SH)/73

Solving the first equation for α, we get ...

α = arctan(42/73)

Solving the second equation for SH, we get ...

73 tan(α +10.3°) = 42 +SH

SH = 73·tan(arctan(42/73) +10.3°) -42 = 73·tan(29.91°+10.3°) -42

SH = 73·0.84547 -42 = 19.720 . . . . feet

The height of the statue is about 19.72 feet.

_____

For more, see brainly.com/question/13065709

3 0

3 years ago