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lilavasa [31]
3 years ago
5

Please help this is easy for you i just forgot how to do this

Mathematics
2 answers:
Marrrta [24]3 years ago
8 0

Here's a marvellous opportunity for me to share my knowledge! :)

The recipocal of 3/5 is 5/3.

The reciprocal of 1/9 is 9.

The reciprocal of 5/8 is 8/5.

The recipocal of 7/12 is 12/7.

The recipocal of 1/6 is 6.

The reciprocal of 7/4 is 4/7.

The reciprocal of 16 is 1/16.

The reciprocal of 11/5 is 5/11.

I hope this helps You!

Vinvika [58]3 years ago
3 0

Hello,

The reciprocal of these questions are:-

7. <u>5/3</u>

8. <u>6</u>

9. 82/9 → <u>9/82</u>

10. <u>4/7</u>

11. <u>8/5</u>

12. <u>1/16</u>

13. <u>12/7</u>

14. <u>5/11</u>

<em>Hope</em><em> it</em><em> helps</em><em> you</em><em>.</em><em>.</em><em>.</em><em>.</em>

<em>Answered</em><em> by</em><em> Benjemin</em><em> ☺️</em>

<em>✅</em>

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The longer leg of a right triangle is 7 ft longer than the shorter leg. The hypotenuse is 9ft longer than the shorter leg. Find
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8, 15 and 17 feet respectively

Step-by-step explanation:

Let the shorter leg=l feet

The longer leg of a right triangle is 7 ft longer than the shorter leg, therefore Length of the longer leg=(l+7) feet

The hypotenuse is 9ft longer than the shorter leg. Therefore Length of the hypotenuse=(l+9) feet

Using Pythagoras Theorem

Hyp^2=Opp^2+Adj^2\\(l+9)^2=l^2+(l+7)^2\\(l+9)(l+9)=l^2+(l+7)(l+7)\\l^2+9l+9l+81=l^2+l^2+7l+7l+49\\l^2+18l+81=2l^2+14l+49

This results into:

2l^2-l^2+14l-18l-81+49=0

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l=8 or -4

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