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4 years ago

Order the rational numbers from least to greatest

Mathematics

2 answers:

Sonja [21]4 years ago

7 0

It’s the 3rd option. Everything with a - in front of it is smaller than 0.

viktelen [127]4 years ago

3 0

Answer:

its the 3rd one

Step-by-step explanation:

you find which one is smaller and then you go to the next one up

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Sholpan [36]

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3 years ago

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Polygon CCC has an area of 404040 square units. K 2ennan drew a scaled version of Polygon CCC using a scale factor of \dfrac12 1

nikdorinn [45]

Answer:

Area of polygon D = 10 square units

Step-by-step explanation:

Given:

Polygon C has an area of 40 square units.

It is scaled with a scale factor of $\frac{1}2$ to form a new polygon D.

To find:

The area of polygon D = ?

Solution:

When any polygon is scaled to half, then all the sides of new polygon are half of the original polygon.

And the area becomes one-fourth of the original polygon.

Let us consider this by taking examples:

First of all, let us consider a right angled triangle with sides 6, 8 and 10 units.

Area of a right angled triangle is given by:

$A = \dfrac{1}{2} \times Base \times Height\\\Rightarrow A = \dfrac{1}{2} \times 6 \times 8 = 24\ sq\ units$

If scaled with a factor $\frac{1}{2}$ , the sides will be 3, 4 and 5.

New area, A':

$A' =\dfrac{1}{2} \times 3 \times 4 = 6\ sq\ units = \dfrac{1}4\times A$

i.e. Area becomes one fourth.

Let us consider a rectangle now.

Sides be 8 and 10 units.

Area of a rectangle, A = $Length \times Width$ = 8 $\times$ 10 = 80 sq units.

Now after scaling, the sides will be 4 and 5 units.

New Area, A' = 4 $\times$ 5 =20 sq units

So, $\bold{A' = \frac{1}4 \times A}$

Now, we can apply the same in the given question.

$\therefore$ Area of polygon D = $\bold{\frac{1}{4}}$ $\times$ Area of polygon C

Area of polygon D = $\bold{\frac{1}{4}}$ $\times$ 40 = 10 sq units

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3 years ago

How many sides does the smallville orb of kandor have?

babymother [125]

I think it has 3 or 4 sides not sure

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3 years ago

If roots of a quadratic equation are real and equal, then which of the

ycow [4]

Answer: where are the options??

Step-by-step explanation:

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3 years ago

What is the area of a triangle with a base of 1.3cm and height of 0.5 cm?

sammy [17]

Answer:

0.325 cm²

Step-by-step explanation:

A = $\frac{1}{2}$ bh = $\frac{1}{2}$ *1.3*0.5 = 0.325 cm²

6 0

3 years ago

Read 2 more answers