I need help 100 points if you answer this

Mathematics

2 answers:

lawyer [7]3 years ago

6 0

Answer:

I will do a couple of the since there is so many with little time, any more I do is if you do not understand.

Step-by-step explanation:

1st row(column?)- Decimal form= 0.125 Percent= %12.5

2nd- Fraction= 3/4 Decimal= 0.75

3rd- Decimal= 0.6 Percent- %60

Hope this helps :)

Ira Lisetskai [31]3 years ago

6 0

your answers-

1st row(column?)- Decimal form= 0.125 Percent= %12.5

2nd- Fraction= 3/4 Decimal= 0.75

3rd- Decimal= 0.6 Percent- %60

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A semicircle is drawn onto one of the shorter sides of a rectangle. The shorter side of the rectangle measures 4 centimeters. Th

velikii [3]

<h3>Answer:</h3>

8.78 cm

<h3>Solution:</h3>

We are given that :

A semicircle is drawn onto the shorter side of rectangle.
Shorter side of rectangle measures 4cm. i.e; the diameter of the circle is 4cm
Area of the figure is 41.4 cm²

Using Formulas:

Area of rectangle:

$\quad\hookrightarrow\quad{\pmb{ \mathfrak {length\times breadth }}}$

Area of semicircle:

$\quad\hookrightarrow\quad{\pmb{ \mathfrak{ \dfrac{\pi r^2 }{2}}}}$

We have to find the length of longer side of rectangle!

Here, we can know that the figure is composed of one rectangle and one semicircle. Therefore by combining the areas of rectangle and circle and taking the length of rectangle as a variable , we will finds its value ;

$\quad\dashrightarrow\quad \sf {Area_{\tiny { total}} = Area_{\tiny {rectangle}}+ Area_{\tiny {semicircle}}}$