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Elis [28]
3 years ago
11

Please open attachment. 29 points

Mathematics
1 answer:
elixir [45]3 years ago
3 0
3) 1/1 2/0 -2/0 good luck i hope this helped
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Given Sn=2n^2 - 5n, find
brilliants [131]

Answer:

a) -3

b) 117

c) 100

Step-by-step explanation:

(a) 2(1)²-5(1)

1²= 1

2×1= 2

2-5= -3

(b) 2(9)²-5(9)

9²= 81

81×2= 162

162-45= 117

(c) 2(4)²-5(4) +2(8)²-5(4)

4²=16

16×2= 32

32-20= 12

8²=64

64×2= 128

128-40= 88

88+12= 100

hope it helps!

6 0
2 years ago
Rachel jogged along a trail that was 1/4 (fraction) of a mile long. She jogged along the trail 8 times. How many miles did Rache
OverLord2011 [107]
1/4+1/4+1/4+1/4+1/4+1/4+<span>1/4+1/4 = 8 Miles

1/4+1/4 = 1/2 Mile

1/2+1/2 = 1 Mile

1+1 = 2 Miles</span>
5 0
3 years ago
Read 2 more answers
Please help me with this question
kotegsom [21]

Answer:

24 and 20

Step-by-step explanation:

opposite sides are equal

6 0
2 years ago
Which equation best describes the relationship between the number of students and the number of tables
Alenkasestr [34]

Answer:

equation d

Step-by-step explanation:

4 0
3 years ago
Write the equation of the line that passes through the given points<br> (0,2)) and (-9, -3)
Irina18 [472]

Step-by-step explanation:

Y= m x+ C

m (slope ) = 2 - (_3) / 0 _( - 9 )

= 5 / 9

( O, 2 ) Satisfying equation

2= 5/9 ( 0) + C

C= 2

So eq. is

y= 5/ 9 X + 2

7 0
3 years ago
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