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8090 [49]
2 years ago
13

Explain why 7* 6 x 5 x 4*3*2*1+5 is a composite numbers​

Mathematics
1 answer:
xenn [34]2 years ago
7 0

Answer:

7×6×5×4×3×2×1+5 can be written as  5*[7*6*5*4*3*2*+1] or 5*(1009). So, other than the number and 1, it has 5 and 1009 as its factors too. So it is  a composite number.

Step-by-step explanation:

A composite number is a positive integer that has a factor other than 1 and itself.

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3 years ago
In triangle XYZ right angled at Y. Find the length of the hypotenuse if the length of the other two sides is 1.6 cm and 6.3 cm.
const2013 [10]

Answer:

6.5 cm

Step-by-step explanation:

From Pythagoras theorem

C^2= a^2 + b^2

Where a, b are the sides of the triangle

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Hence, the length of the hypotenuse is 6.5 cm

7 0
2 years ago
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Nezavi [6.7K]

Answer:

A

Step-by-step explanation:

Hope it helps!

5 0
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Elina [12.6K]

Answer:

55 \degree

Step-by-step explanation:

Let the unknown angle be x

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x + 45 + 80 = 180 \\ x + 125 = 180 \\ x = 180 - 125 \\ x = 55 \degree

Hope this helps you.

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