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2 years ago

The rectangular floor of a classroom is 20 feet in length and 36 feet in width. A scale

Mathematics

2 answers:

vova2212 [387]2 years ago

5 0

Answer:

Step-by-step explanation:

20 feet =10 inchs

10 feet is 5 inches

5 feet is 2.5 inches

1 feet is 0.5 inch

10+5+2.5+0.5= 18 inches

10+10+18+18=56

marusya05 [52]2 years ago

4 0

Your answer is 56 hopefully this helps

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Inverse Function In Exercise,analytically show that the functions are inverse functions.Then use the graphing utility to show th

Anna [14]

Step-by-step explanation:

We need to show whether

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

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

so we'll do either one of them,

we'll convert f(x) to f^-1(x) and lets see if it looks like g(x).

$f(x) = e^x - 1$

we can also write it as:

$y = e^x - 1$

now all we have to do is to make x the subject of the equation.

$y+1 = e^x$

$\ln{(y+1)} = x$

$x=\ln{(y+1)}$

now we'll interchange the variables

$y=\ln{(x+1)}$

this is the inverse of f(x)

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

and it does equal to g(x)

$g(x)=\ln{(x+1)}$

Hence, both functions are inverse of each other!

This can be shown graphically too:

we can see that both functions are reflections of each other about the line y=x.

4 0

3 years ago

Help ( correct answer ) 16÷(4)(2)-3(2)÷2+1

Bess [88]

16 ÷ (4)(2) - 3(2) ÷ 2+1
16 ÷ 8 - 6 ÷ 3
2 - 2
0

Answer: 0

3 0

3 years ago

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What is an expression for 5(9m+2n-6m)

Elis [28]

45m+10n-30m
15m+10n

I believe this is right.

6 0

3 years ago

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PLEASE HELP! Slope parallel to line y = 2x/3 + 4 PLZ!

marta [7]

Answer:

2/3

Step-by-step explanation:

I think you meant y=2/3x+4 because what you wrote is not the right way to right that equation, but anyways the slope of the parallel line is 2/3 because lines that are parallel have the same slope.

I hope this helps!

5 0

3 years ago

Evaluate the following expression (2.3)-3(1,1)

uranmaximum [27]

Answer:

2.3 - ( 3, 1)

Step-by-step explanation:

1) Simplify 3 × (1, 1) 3 × (1, 1) to 3× 1, 13 × 1,1.

2.3 - ( 3 × 1, 1 )

2) Simplify 3 × 1 to 3.

2.3 - ( 3, 1)

Therefor, the answer is 2.3 - ( 3, 1).

3 0

3 years ago

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