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melisa1 [442]
3 years ago
6

7+4u=70-3u What is U

Mathematics
2 answers:
ruslelena [56]3 years ago
5 0
7+4u=70-3u \\ 7+4u+3u=70-3u+3u \\ 7+7u=70 \\ 7-7+7u=70-7 \\ 7u=63 \\ 7u/7=63/7 \\ u=9
u=9 is your answer.
Hope this helps!
Sergio039 [100]3 years ago
3 0
7+4u= 70-3u
add 3u to both sides
7+7u=70
subtract 7 from both sides
  7u=63
divide both sides by 7
   u= 9

hope this helps

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4 years ago
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 —---

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Step-by-step explanation:

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3 years ago
Can someone help me for this question please? Why I got wrong answer. ASAP!!!
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Answer:

a=8.06

A=29.74

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Step-by-step explanation:

This is a right angled triangle and Pythagoras theorem is to be obeyed.

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For angle A,

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3 years ago
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w represents width

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17w2 = d2

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4 0
3 years ago
Read 2 more answers
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