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WINSTONCH [101]
4 years ago
12

(3rd grade) for a thanks!

Mathematics
2 answers:
ch4aika [34]4 years ago
6 0

Answer:

Step-by-step explanation:

Figure a- 9×3 = 27 ft^2

figure b- 12 × 5 = 60 ft^2

figure c- 1/2(4×3) = 6 ft^2

figure d- 1/2(5×2) = 5 ft^2

yuradex [85]4 years ago
5 0
Figure a- 9×3 = 27 ft^2
figure b- 12 × 5 = 60 ft^2
figure c- 1/2(4×3) = 6 ft^2
figure d- 1/2(5×2) = 5 ft^2
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Last one is correct
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Three odd numbers that add up to 30​
Jlenok [28]

Answer:

11.5+5.5+13

Step-by-step explanation:

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3 years ago
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Denise is designing the seating arrangement for a concert an outdoor theater. To give everyone a good view, each row must have 6
vesna_86 [32]
This is an Arithmetic Progression with 1st term 11 and common difference d=6

Number of Rows     Number of seats      Common difference " d" 
-----------------------     -----------------------     -------------------------------------
1st                                  a₁     = 11                                 
2nd                                 a₁+d =17               d =2nd - 1st = 6
3rd                                  a₁ +2d = 23           d =3rd - 2nd = 6
4th                                  a₁ +3d = 29            d= 4th - 3rd = 6
-------------------------------------------------------------------------------
nth ROW                         a(n) = a₁ + (n-1)d
18th ROW                       a₁₈ =   11 + (18-1).6 = 11+(17)(6) = 113 

General equation to predict the number of seat an the nth row:
Number of seats in nth row = a₁ + (n-1).d
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Answer:

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OR

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Thus solutions are x = - 2, x = - 6

These are represented on the graph by solid blue circles at x = - 2, x = - 6

The first option represents the solution

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Aleksandr [31]
I think u have to Multiply the 100 and 0.30 and that would be 30
6 0
4 years ago
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