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lianna [129]
3 years ago
6

Express the sum in simplest form. [1/x] + [1/y]

Mathematics
2 answers:
Talja [164]3 years ago
6 0
X/y - y/x 
<span>---------------- </span>
<span>1/y + 1/x </span>

<span>x ² - y ² </span>
<span>----------- </span>
<span>x + y </span>

<span>( x - y ) ( x + y </span>
<span>-------------------- </span>
<span>x + y </span>

<span>x - y hope this helpd</span>
ra1l [238]3 years ago
3 0
It is x-y hope that helps good luck
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The angles in a triangle are in the ratio 1:2:3. Show that this triangle is a right-angled triangle. The hypotenuse of the trian
natita [175]

Answer:

see explanation

Step-by-step explanation:

(a)

Sum the parts of the ratio , 1 + 2 + 3 = 6 parts

Divide sum of angles in a triangle by 6 to find the value of one part of the ratio.

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2 parts = 2 × 30° = 60°

3 parts = 3 × 30° = 90°

Since there is an angle of 90° then the triangle is right.

(b)

The shortest side is the side opposite the smallest angle of 30°

Using the sine ratio and the exact value

sin30° = \frac{1}{2} , then

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3 years ago
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Sever21 [200]
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2 years ago
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Cost of 'r' packs of regular card = 3.50r

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