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2 years ago

WHICH TERM BEST DESCRIBES THIS POLYGON

Mathematics

1 answer:

julia-pushkina [17]2 years ago

8 0

Answer:

17-gon

Step-by-step explanation:

There are 17 sides of the polygon.

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This graph shows the solution to which inequality?

Verizon [17]

Answer:

Correct option is C)

given, y≥2x+1 and

x−1

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2 years ago

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When solving 5 ( 25) - 7. What is the correct sequence of operations? (5 points)

Nana76 [90]

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3 years ago

A map scale is 1 inch:50 miles. Two cities are 450 miles apart. How far apart are the cities on the map

ArbitrLikvidat [17]

450÷50=9
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2 years ago

Given the following triangle, if b = 9 and B = 15°, find a. 0.27 2.41 33.59

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3 years ago

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Find the sum of the series given in sigma notation.

Kryger [21]

Answer:

Option b is correct 175

Step-by-step explanation:

n = 7

k = 6

3k -2 ------1

put k = 6 in above eq. for finding first term

a1 = 3(6) - 2 = 18 - 2 = 16

put k = 7 in above eq. for finding first term

a2 = 3(7) - 2 = 21 - 2 = 19

a3 = 3 (8) - 2 = 24 - 2 = 22

16, 19 , 22, ... //Arithmetic series formation

a1 = 16 , a2 = 19

d = a2 - a1 = 19 - 16 = 3 //Difference of first two terms

Using sum forumula for arithmetic series

sum = $\frac{n}{2}(2a1 + (n-1)d)$

= $\frac{7}{2}(2a1 + (7-1)d)$

= $\frac{7}{2}(2(16) + (6)3)$

= $\frac{7}{2}(32 + 18)$

= $\frac{7}{2}(50)$

= 7 * 25

= 175

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2 years ago