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Lady bird [3.3K]
3 years ago
10

If=y=1 z=2(2y + z) (2y-z)​

Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0

Answer:

answer is 0

Step-by-step explanation:

(2×1+2)(2×1-2)

(4×0)

0

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Q no 13 and 14 answer ​
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Answer:

<h2>Question 13 : x = 62°</h2>

<h2>Question 14 : x = 2</h2>

Step-by-step explanation:

Question 13

The diagram in question 13 is a triangle.

The sum of interior angles of a triangle is equal to 180°

To solve for x ;

x + 69 + 49 = 180 \\ x + 118 = 180 \\ x = 180 - 118 \\ x = 62

Question 14

(: represents ratio or /)

x/9 = 18/81

Cross Multiply

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Answer:

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