2 years ago

Solve 2(x+3)3/2=54 x = show your work

Mathematics

1 answer:

hjlf2 years ago

6 0

Answer:

x=15

Step-by-step explanation:

Step 1: Multiply both sides by 2.

Step 2: Simplify both sides of the equation.

6x+18=108

Step 3: Subtract 18 from both sides.

6x+18−18=108−18

6x=90

Step 4: Divide both sides by 6.

x=15

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w= width
P= perimeter= 7w-3

SOLVE FOR WIDTH
Perimeter of a Rectangle Formula
P= 2(l + w)

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combine like terms in parentheses

7w - 3= 2(3w + 4)
multiply 2 by parentheses

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multiply in parentheses

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add 3 to both sides

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subtract 6w from both sides

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CHECK
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ANSWER: The length is 26, the width is 11 and the perimeter is 74.

Hope this helps! :)

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3 years ago

Suppose a function f has an inverse. If f(2)=6 and f(3)=7, find: f^-1 (f(3))

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Answer:

Step-by-step explanation:

The definition of an inverse function is ...

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

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