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3 years ago

(help pls) Determine the domain of the function, and choose the correct interval and inequality notations. f(x) = 1/2x + 8

Mathematics

2 answers:

Reptile [31]3 years ago

6 0

Not sure what inequality notation is since I’m French but here’s the domain interval

Fynjy0 [20]3 years ago

5 0

Answer:

INTERVAL NOTATION: (-4) (-4) -- (BOTH ARE -4)

INEQUALITY: >-4 OR X<-4

Step-by-step explanation:

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3 years ago

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(05.01)A scale drawing of a living room is shown below. The scale is 1 : 40.

matrenka [14]

Answer:

$A=266\frac{2}{3}\ ft^2$

Step-by-step explanation:

we know that

The scale is $\frac{1}{40}$

That means

1 unit in the drawing represent 40 units in the actual

1 inch in the drawing represent 40 inches in the actual

step 1

Find the actual dimensions of the living room

Multiply the dimensions of the living room in the drawing by 40

$Length:\ 6(40)=240\ in$

$Width:\ 4(40)=160\ in$

step 2

Convert inches to feet

Remember that

$1\ ft=12\ in$

To convert inches to feet , divide by 12

$Length:\ 240\ in=240/12=20\ ft$

$Width:\ 160\ in=160/12=\frac{40}{3}\ ft$

step 3

Find the area in square feet

Multiply the length by the width

$A=(20)(\frac{40}{3})=\frac{800}{3}\ ft^2$

Convert to mixed number

$A=\frac{800}{3}\ ft^2=\frac{798}{3}+\frac{2}{3}=266\frac{2}{3}\ ft^2$

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4 years ago

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