3 years ago

Which situation is an example of an observational study?

Mathematics

1 answer:

jarptica [38.1K]3 years ago

8 0

Answer: this is how i feel about the answers A 80% b 0% c 90% d 0%

You might be interested in

PLEASE ANSWER!!!

Allushta [10]

Answer:

$144

Step-by-step explanation:

120$

12+12= $24

120+24= 144

5 0

3 years ago

Read 2 more answers

7 1/2 ÷ (4 1/2 - 5 1/8)

Yanka [14]

Answer:

-12

Step-by-step explanation:

7 1/2 ÷(4 1/2 - 5 1/8)

7 1/2 ÷ -5/8

7 1/2* -8/5

-12

7 0

3 years ago

What is -(x + 5) distributed

KiRa [710]

Answer:

-x-5

Step-by-step explanation:

Multiply every part inside the equation by -1.

x*-1 and 5*-1

-1x+-5x

Simplify.

-x-5

3 0

3 years ago

Write the inverse function for the function, ƒ(x) = x + 4. Then, find the value of ƒ -1(4). Type your answers in the box.

lesya [120]

The inverse is:

$f^{-1}(x) = x-4$

Further explanation:

Given function

$f(x) = x+4$

Step 1: Replacing f(x) with y

$y = x+4$

Step 2: Replacing x with y and y with x

$x = y+4$

Step 3: Solving the equation for y

$x = y +4\\x -4 = y+4-4\\y = x-4$

Step 4: Replacing y with f-1(x)

$f^{-1}(x) = x-4$

So, the inverse is:

$f^{-1}(x) = x-4$

Keywords: Functions, Inverse of function

Learn more about inverse of functions at:

#LearnwithBrainly

3 0

3 years ago

What relation do the sides of a triangle must-have?

anzhelika [568]

Step-by-step explanation:

Sum of any 2 sides must be higher than the third side.

4 0

3 years ago