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ivanzaharov [21]
3 years ago
15

-3, 1, 5, 9, ...

Mathematics
1 answer:
il63 [147K]3 years ago
5 0

Answer:

D

Step-by-step explanation:

f(n) = -3 + (n - 1)·4

f(n) = -3 + 4n - 4

f(n) = 4n - 7

-3 derives from being the first number in the sequence

4 derives from being the positive difference between values in the sequence

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In ΔLMN, n = 92 inches, ∠N=46° and ∠L=11°. Find the length of l, to the nearest inch.
Vilka [71]

Answer:

24 inches

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. The types of triangles are scalene triangle, equilateral triangle, right angled triangle and obtuse triangle.

Sine rule states that given a triangle with sides a, b, c and their corresponding angles opposite to the sides as A, B, C. Then:

\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}

In triangle LMN:

We can find the length of l using sine rule:

\frac{l}{sinL}=\frac{n}{sinN}  \\\\substituting:\\\\\frac{l}{sin(11)}=\frac{92}{sin(46)}  \\\\l=\frac{92}{sin(46)}*sin(11)\\\\k=24\ inches \\

5 0
3 years ago
21 +3+ (3 x 9) * 9+5
topjm [15]

Answer:

272

Step-by-step explanation:

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4 0
3 years ago
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Rama09 [41]

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Step-by-step explanation:

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3 years ago
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FIND THE FACTORS<br> 32d4+8d
andrew11 [14]
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4 0
3 years ago
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How do I solve for X?
ladessa [460]

All the angles should add up to 360°.

8x+10x+9+21x-12+90=360°

Group like terms together.

So,8x+10x+21x+9+90-12=360

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3 years ago
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