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Scrat [10]
2 years ago
5

Find the Perimeter of the Square with One side is 75cm

Mathematics
2 answers:
Korvikt [17]2 years ago
4 0

Answer:

P=300cm

Step-by-step explanation:

P=4a=4.75×4=300cm

jeyben [28]2 years ago
3 0
<h3><u>Given :- </u></h3>

  • Side of square = 75 cm

<h3><u>To Find :- </u></h3>
  • Perimeter of Square

<h3><u>Solution:- </u></h3>

\green{ \underline { \boxed{ \sf{Perimeter \: of  \:Square = 4 \times side }}}}

Putting Values -

\begin{gathered}\\\implies\quad \sf Perimeter  \:of  \:Square = 4 \times 75  \\\end{gathered}

\begin{gathered}\\\implies\quad \sf Perimeter \: of  \:Square = 300 sq. \:cm \\\end{gathered}

>>Therefore, Perimeter of the Square is 300 sq. cm

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Answer:

$126000

Step-by-step explanation:

Gross salary per month = $10500

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= Gross salary per month × 12

= $10500 × 12

= $126000

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Multiply or divide as indicated. x -8 • x -2
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The temperature was 3 at midday by evening the temperature was -5 can you explain
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As the sun went down, its heat is no longer warming the air and Earth.
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A rectangular poster is to contain 512 square inches of print. The margins at the top and bottom of the poster are to be 2 inche
goldfiish [28.3K]

Answer:

Poster dimensions:

w = 18 in

h  = 36 in

A(min) = 648 in²

Step-by-step explanation:

Printed area for the rectangular poster is:

512 in²

If we call "x" and  "y" dimensions of printed area we have:

512 = x*y       ⇒   y  =512/x

According to problem statment dimensions of the poster will be:

w  = x + 2       and   h  = y + 4

Then area of the poster is:

A(p) = w*h       ⇒   A(p) = (  x + 2 ) * ( y + 4 )

A(p) =  x*y + 4*x + 2*y + 8

And as y = 512/x we can express A(p) as a function of x

A(x) = x* (512/x) + 4*x + 2*(512/x) + 8

A(x) = 512 +4*x + 1024/x + 8    ⇒   A(x) = 520 +4*x + 1024/x   (1)

Taking derivatives on both sides of the equation (1) we get:

A´(x) = 4 - 1024/x²

A´(x) = 0       ⇒    4 - 1024/x² = 0

4*x² = 1024

x² = 1024/4

x² = 256

x = 16 in      and  y = 512/16       y  =  32 in

The value of A´(16) = 0   since  1024 /256 = 4

And A´´(x)  = - [ - 1024(2x)/ x⁴] will be A´´(x)  > 0

Then the function has a minimum for x = 16

And dimensions of the poster are:

w = x + 2      w = 18 in

h =  y + 4      y  = 36 in

A (min) = 36*18

A (min) = 648 in²

6 0
3 years ago
PLEASE HELP, anything appreciated
Margaret [11]

Answer:

1:81

Step-by-step explanation:

figure b is 81 times bigger

5 0
3 years ago
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