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Brut [27]
3 years ago
13

Adding Monomials: Need some Help please ?

Mathematics
1 answer:
AleksAgata [21]3 years ago
4 0
Just add the numbers if the letters are the same only I multiplying do you add the exponents

Answer 14 b^5
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Mary invests £12,000 in a savings account the account pays 1.5% compound interest per year work out the value of her investment
Lesechka [4]

Answer:

The value of Mary's investment after two years = £12362.7

Step-by-step explanation:

P = Principal / initial amount

R = rate of interest per cent per year

T = number of years

A = final amount at the end of T years

Then:

A = P*(1 + R/100)^2

In our example:

P = £12000

R = 1.5 per cent per year

T = 2 years

Thus:

A = 12000*(1 + 1.5/100)^2

  = 12000*(1 + 0.015)^2

  = 12000*(1.015)^2

   = 12000*(1.030225)

   = 12362.7

Value of investment after two years = £12362.7

5 0
2 years ago
Make q the subject of the formula
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Answer:

q = 2p - 1/3

Step-by-step explanation:

2q + 2p = 1+5q

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-q = 1-2p/3

q= 2p-1/3

8 0
2 years ago
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The local newspaper has letters to the editor from 30 people. If this number represents 8% of all of the​ newspaper's readers, h
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