3 years ago

Pls help hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Mathematics

1 answer:

hjlf3 years ago

7 0

Answer:

Step-by-step explanation:

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A 30 inch board is to be cut into three pieces? a 30 inch board is to be cut into three pieces so that the second piece is 4 tim

Ostrovityanka [42]

Total length of the board = 30 inch

Length of,

-- First piece = x

-- Second piece = 4x

-- Third piece = 5x

5x + 4x + x = 30

10x = 30

x = 3

Therefore, the lengths of:

-- First piece = 3 inch

-- Second piece = 4*3 = 12 inch

-- Third piece = 5*3 = 15 inch

7 0

4 years ago

HELP MEEEEEEEEEEEEEEEEEEEEE PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

kap26 [50]

Part a

Setting $x=6$ , $y=7.9(1.02)^6 \approx \boxed{8.9}$