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ankoles [38]
3 years ago
15

Zaynab decides to put £3000 in a bank account which pays 5% compound interest per year.

Mathematics
2 answers:
andrew11 [14]3 years ago
8 0
Interest rates during the 8 years will be = 1200£

3000-1200=1800 left
storchak [24]3 years ago
4 0
Balance would be 1,800
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kirza4 [7]

Answer:

1) -7/4

2) 4/7

3) -1/5

Step-by-step explanation:

1) A parallel line would have the same gradient so:

4y = -7x +3
y =\frac{-7}{4}x  +\frac{3}{4}

So a parallel line would have the gradient of \frac{-7}{4}.

2) A perpendicular line would have the inverse reciprocal of the gradient so multiplying the 2 gradients would equal -1 so:

Initially Gradient = -7/4

-7/4 x Perpendicular line = -1

Perpendicular line = -1 x 4/-7

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3) Using the same principle, the perpendicular gradient would be -1/5x

3 0
2 years ago
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Alik [6]

Answer:

The answer is  <u>x = 2y</u>

Step-by-step explanation:

(3x + 2y) (3y + 2 y)

3x = 3y + 2y + 2y

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4 0
3 years ago
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AleksAgata [21]

Answer:

I'm not too sure though but I think its change of subject formula

4 0
3 years ago
Cady has $3000 to deposit in the bank which offers 4% interest. How long does she need to leave the money in the bank in order t
White raven [17]

Answer:

Cady will have to leave the money in the bank for 5 years.

Step-by-step explanation:

Given that Cady has invested $ 3000 in an account with an interest rate of 4%, to know how much time must be invested to obtain $ 600 in interest, the following calculation must be performed:

3000 x 1.04 = 3.120

Thus, each year the investment will yield interest for $ 120. Therefore, since 600/120 is equal to 5, Cady will have to leave the money in the bank for 5 years.

3 0
3 years ago
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Debora [2.8K]

Answer:

3+x≥-16

Step-by-step explanation:

8 0
4 years ago
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