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Diano4ka-milaya [45]
2 years ago
11

12/19 - 1/2 5/7 + 3/8 Solve these two I will mark you brainliesat

Mathematics
2 answers:
olga_2 [115]2 years ago
5 0

Answer:

  • 5/38

  • 61/58

Step-by-step explanation:

Answer in the attachment

mamaluj [8]2 years ago
4 0

Answer:

1) 12/19 - 1/2 = 5/38

2) 5/7 + 3/8 =  1  5/56

Step-by-step explanation:

  • 12/19 - 1/2

= (12 * 2 - 19 * 1) / 19 * 2

= (24 - 19) / 38

= 5/38 <em>---> answer</em>

<em />

  • 5/7 + 3/8

= (5 * 8 + 7 * 3) / 7 * 8

= (40 + 21) / 56

= 61/56 ----> now, convert to mixed fraction

= 1   5/56 <em>---> answer</em>

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erica [24]

Answer:

S = 85cm^2

Step-by-step explanation:

The surface area of a square pyramid is given by the following formula:

S=2hb+b^2

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4(\frac{hb}{2})+b*b=2bh+b^2

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By replacing in the formula you obtain:

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h = -16t² + vt + s

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h = -16t² + 64t + 4

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5 0
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