Need help ASAP Mathswatch

2 answers:

k0ka [10]3 years ago

5 0

Answer:

8 * 5 = 40

8 * 10 = 80

8 must be the highest common factor of two separate numbers. So, one of them must be 8, and the other must be greater than 8.

Multiples of 8:

The numbers on that list that multiply evenly to 80:

8, 16, 40, 80

16 is the lowest common multiple of 16 and 8

40 is the lowest common multiple of 40 and 8

80 is the lowest common multiple of 80 and 8

So the two numbers are 8 and 80; the highest common factor (HCF) is indeed 8.

Step-by-step explanation:

pshichka [43]3 years ago

4 0

Answer:

Step-by-step explanation:

because 40 goes in to 8 5 times and it also goes into 80 2 times

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Maksim231197 [3]

Answer:

$\dfrac{BE}{EC}=\dfrac{1}{3}.$

Step-by-step explanation:

Consider triangles BKE and DKA. In this triangles:

$\angle BKE=\angle DKA$ as vertical angles;
$\angle KBE=\angle KDA$ as alternate interior angles (lines BC and AD are parallel and BC is a transversal);
$\angle BEK=\angle DAK$ as alternate interior angles (lines BC and AD are parallel and BE is a transversal).