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3 years ago

PICKING BRAINIEST use the diagram to complete the statements (:

Mathematics

1 answer:

Mashutka [201]3 years ago

6 0

The measure of angle L
∠M + ∠L + ∠N = 180°
20° + ∠L + 90° = 180°
∠L = 180° - 20° - 90°
∠L = 70°

The trigonometric ratio for NM
tan M = LN/NM
tan 20° = 21/NM
NM = 21/tan 20°

Find the length of NM
NM = 21/tan 20°
NM = 21/0.36397
NM = 57.697
NM = 57.7

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3 years ago

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3 years ago

A flying disc has a circumference of 75.36 centimeters. What is the area of the flying disc? (Use 3.14 for .)

Hatshy [7]

The area of flying disk is 452.16 square centimeters

Step-by-step explanation:

The disc is in circular shape so we will use the formulas for circle in this question.

Given

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Let r be the radius

Then

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Dividing both sides by 6.28

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Keywords: Circle, area

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3 years ago

What is the explicit formula of a1=-3,d=2

AVprozaik [17]

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The explicit formula for the given expression is 2 n - 3

Step-by-step explanation:

Here, the first term of sequence = -1

The common difference = 2

In a ARITHMETIC PROGRESSION:

The nth term of a sequence is given as

a(n) = a + (n-1) d

⇒ Here, a(n) = -1 + (n-1)(2)

= -1 + 2n -2

= 2n - 3

or, a(n) = 2n - 3

Hence, the explicit formula for the given expression is 2n - 3.

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2 years ago