3 years ago

What is the sequence of 100,99,97,94,90,85,79,72, , , ,

Mathematics

1 answer:

IrinaVladis [17]3 years ago

8 0

- (x + 1)

number - (x + 1), whereas x starts at 0 and decreases every time.

To better explain this:

100 - (0 + 1) = 100 - 1 = 99

99 - (1 + 1) = 99 - 2 = 97

97 - (2 + 1) = 97 - 3 = 94

And so on...

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What is the value of y?

Amiraneli [1.4K]

Answer:

$\boxed{D. \: 40\degree}$

Step-by-step explanation:

<em>Angle sum property of triangle states that the sum of interior angles of a triangle is 180°</em>

So,

$= > 2y \degree + (y + 10)\degree + 50\degree = 180\degree \\ \\ = > 2y\degree + y\degree + 10\degree + 50\degree = 180\degree \\ \\ = > 3y\degree + 60\degree = 180\degree \\ \\ = > 3y\degree = 180\degree - 60\degree \\ \\ = > 3y\degree = 120\degree \\ \\ = > y = \frac{120\degree}{3\degree} \\ \\ = > y = 40\degree$