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Vsevolod [243]
3 years ago
13

A bag contains red and blue marbles. One-fourth of the marbles are red. If there is one red marble in the bag, how many blue mar

bles are in the bag?
plz i need help fast
Mathematics
1 answer:
Alenkinab [10]3 years ago
4 0
There are 3 marbles.
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Answer:

76 \:  {in}^{2}

Step-by-step explanation:

Area of the figure = Are of square with side 8 in + 2 times the area of one triangle with base (8 - 5 = 3) 3 in and height 4 in

=  {(8)}^{2}  + 2 \times  \frac{1}{2}  \times 3 \times 4 \\  \\  = 64 + 12 \\  \\  = 76 \:  {in}^{2}

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JulsSmile [24]
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