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Lunna [17]
4 years ago
10

What is the value of x? Enter your answer in the box. x =

Mathematics
1 answer:
creativ13 [48]4 years ago
4 0

x=5

a^+b^=c^

a^+12^=13^

a^+144=169

a^=25

a=square root of 25

a=5

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5 0
3 years ago
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3 years ago
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Answer for 7 and 8 please and explanation if possible
ASHA 777 [7]
7. To find the area of a triangle you use base x height /2.  so the base is 10 and the height is 25 so you do 10 x 25 first which is 250 then divide by 2 which gives you 125 so the area of each pennant is 125 cm^2 ( the ^2 means squared)

8. To find the area of a square you do length x Width. Since for a square all sides are the same the length AND the width are both 450cm. Now you just do 450 x 450 which gives you 202,500 cm^2. BUT it asks for an answer written in SQUARE METRES so you have to change 450cm to metres making it 4.5 metres x 4.5 metres = 20.25  SO THE REAL ANSWER IS 20.25 M^2

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4 0
3 years ago
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