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Allushta [10]
3 years ago
10

How do you decrease £840 by 5%

Mathematics
2 answers:
Advocard [28]3 years ago
7 0
 £840  -   100%
100%-5%=95%
840*95%:100% = 798 (£) - <span>the number sought</span>
oee [108]3 years ago
4 0
To decrease by percentages you do 100 minus the percent you want to take away. In this case it's 100-5=95. Then divide 95 by 100 which is 0.95. This is the multiplier. Finally, times the multiplier by the number for your answer. In this situation it's 0.95*840=798. The answer is £798.
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EASY POINTS (attached)
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Read 2 more answers
If 49x2 + 28x - 10 is rewritten as p2 + 4p -10, what is p in terms of<br> p=
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Answer:

p=7x

Step-by-step explanation:

49x^[2] + 28x - 10 = p^[2] + 4p -10

This equation is in the form a^[2]x + bx + c.

<u><em>The 'c' is common for both equations, this means the 'a' and 'b' must also be common. </em></u>

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<u>a method</u>

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