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anzhelika [568]

3 years ago

8

Jacob and Sara went to a restaurant, Jacob ordered a sandwich combo for $8.99 and Sarah ordered a salad combo for $7.95. They ag

reed on an 18% tip and that they would split the check evenly in half. How much, to the penny, did each of them spend?

1 answer:

Umnica [9.8K]3 years ago

8 0

The answer is is 27.72

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Please help. I’ll mark you as brainliest if correct!

chubhunter [2.5K]

Answer:

$\boxed{\sf \ \ \ f^{-1}(x)=1+\sqrt{x} \ \ \ }$

Step-by-step explanation:

the minimum of f is for x = 1 and f(1)=0

f is decreasing for x<=1 and increasing for x>=1

so the domain is $[1;+\infty[$

$f^{-1}(f(x))=x =f^{-1}((x-1)^2)\\\\f(f^{-1}(x))=x=(f^{-1}(x)-1)^2$

x>=1 so x is positive and we can take the square root

so $f^{-1}(x)=1+\sqrt{x}$

8 0

3 years ago

DaniilM [7]

The answer is C. 98.47

Please give Brainliest answer, thanks.

3 0

3 years ago

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Please help me on this

Eddi Din [679]

Answer:

The correct answer is True.

Step-by-step explanation:

Altitude: vertical distance either between the top and bottom of something or between a base and something above it.

6 0

3 years ago

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Help me with this right now please everyone

garik1379 [7]

Number 5 is 25+h divide f

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3 years ago

A square pyramid is made up of a base with a side length of 10 inches and faces that are triangles with a height of 12 inches. W

JulijaS [17]

Answer:

3

340?Step-by-step explanation:

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2 years ago