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2 years ago

The perimeter of a regular pentagon is 45 inches. Find the length of each side

Mathematics

1 answer:

Schach [20]2 years ago

4 0

Answer: 9

Step-by-step explanation: pentagon has 5 sides so divide 45 by 5

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Evaluate 6|8−y|−15 when y = 10

geniusboy [140]

Step-by-step explanation:

6|8-y|-15

6|8-10|-15

6|-2|-15

6(2)-15

12-15

-3

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3 years ago

What is the Identity Property of Multiplication?

Scilla [17]

Answer:

The identity property of multiplication, also called the multiplication property of one says that a number does not change when that number is multiplied by 1. Ex. 12x1=12

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2 years ago

Read 2 more answers

Chris found some colorful leaves under one tree. Under another tree, he

Lynna [10]

Answer:

x+y-3+6

x+y+3

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3 years ago

Which expression represents x less than 9 A.X-9 B. 9-X C.-9X-9 D.9X-9

Orlov [11]

Answer:

answer of this question is option A x-9 this represent solution

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2 years ago

Given that f(x) = x + 3 a) Find f(2)

Nataly_w [17]

${ \qquad\qquad\huge\underline{{\sf Answer}}}$

Here we go ~

In the above question, it is given that :

$\qquad \sf \boxed{ \sf f(x) = \frac{x + 3}{2} }$

A.) Find f(2) :

$\qquad \sf \dashrightarrow \: f(2) = \dfrac{2 + 3}{2}$

$\qquad \sf \dashrightarrow \: f(2) = \dfrac{5}{2}$

$\qquad \sf \dashrightarrow \: f(2) = 0.5$

B.) Find ${ \sf {f}^{-1}(x) }$ :

$\qquad \sf \dashrightarrow \: let \: y = f (x)$

so, we can write it as :

$\qquad \sf \dashrightarrow \: y = \dfrac{x + 3}{2}$

$\qquad \sf \dashrightarrow \: 2y = x + 3$

$\qquad \sf \dashrightarrow \: x = 2y - 3$

Now, put x = ${ \sf {f}^{-1}(x) }$ , and y = x and we will get our required inverse function ~

$\qquad \sf \dashrightarrow \: f {}^{ - 1}(x) = 2x- 3$

C.) Find ${ \sf {f}^{-1}(12) }$ :

$\qquad \sf \dashrightarrow \: f {}^{ - 1}(12) = 2(12)- 3$

$\qquad \sf \dashrightarrow \: f {}^{ - 1}(12) = 36- 3$

$\qquad \sf \dashrightarrow \: f {}^{ - 1}(12) = 33$

7 0

9 months ago