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icang [17]
1 year ago
12

Can someone please help me work out this question i really don't understand ​

Mathematics
2 answers:
nadya68 [22]1 year ago
7 0

Answer:

108 cm^2

Step-by-step explanation:

rectangle   + 2  triangle = total area

L x W          + 2    *  1/2 base * height   = total area

(5x12)          + 2    *  1/2 * 12 * 4    = total area

  60              +   48    = 108 cm^2

aleksandr82 [10.1K]1 year ago
5 0

Answer:

108 cm²

Step-by-step explanation:

To do:

1. find area of rectangle      2. find area of triangles       3. add them together

area of a rectangle = bxh = 5x12 = 60

area of triangle = (bxh)/2 = (12x4)/2 = 24

60+24+24=108

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a total of $9500 is invested, part at 10% simple interest and part at 9%

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Interest for first part =  10 % times x = 0.10x

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