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3 years ago

The graph of an equation is shown below:

Mathematics

2 answers:

storchak [24]3 years ago

7 0

(1, 3) represent a solution to the equation.

Naddika [18.5K]3 years ago

7 0

Answer:

$(1,3)$

Step-by-step explanation:

we know that

If a ordered pair is a solution of the graph

then

the ordered pair belong to the graph

Plot the points

The ordered pair $(1,3)$ is on the graph

therefore

is a solution of the equation

see the attached figure

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In triangle ABC, AB = 11 cm, BC = 9 cm and CA = 10 cm. Find the area of triangle ABC.

max2010maxim [7]

Answer:

Area = 42.43 square cm

Step-by-step explanation:

Using Heron's Formula :

$Area = \sqrt{s\times (s-a) \times (s-b) \times(s -c)} \ , \ where \ s \ =\ \frac{a+ b+ c}{2}$

Find Area :

$s = \frac{11 + 9 + 10 }{2} = \frac{30}{2} = 15$

$Area = \sqrt{15 \times ( 15 - 11 ) \times { (15 - 9 ) \times ( 15 -10)}\\\\$

$= \sqrt{15 \times 4 \times 6 \times 5}\\\\=\sqrt{1800}$

$= 42 . 43 \ cm^2$

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3 years ago

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den301095 [7]

Answer:

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Step-by-step explanation:

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3 years ago

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VladimirAG [237]

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3 years ago

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gayaneshka [121]

Answer:

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Step-by-step explanation:

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