Can you explain how to get the answer for: 4 6/7 +7 3/14=

Mathematics

1 answer:

Alborosie3 years ago

6 0

The answer is 12 17/28

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At birth a newborn baby's head is about 25% of its total length. If a baby's head is 4.5 inches long how many total inches is th

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25% = 1/4
4 × 4 =16
0.5 × 4 = 2
16 + 2 = 18
4.5 × 4 =18
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Aleksandr-060686 [28]

Answer:

-5(2) (-2) +2 + 4(-2) +7 = 21

-4(2) -2(-2) -10 = -14

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$cox^4x-sin^4x=2cos^2x-1\\\\
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