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Margarita [4]
3 years ago
7

Cynthia invests some money in a bank which pays 5% compound interest per year.

Mathematics
1 answer:
maxonik [38]3 years ago
4 0

Answer:

£6956.52

Step-by-step explanation:

Given data

R=5%

A= £8000

T= 3 years

P=???

The compound interest is

A=P(1+r)^t

8000= P(1+0.05)^3

8000= P(1.05)^3

8000= P1.15

P= 8000/1.15

P=6956.52

Hence she needs to invest £6956.52

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List the 8 numbers between 4 and 40 in a sequence of 10 numbers a common difference
yuradex [85]

Answer:

8, 12, 16, 20, 24, 28, 32, 36

Step-by-step explanation:

the nth term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

a₁ is the first term and d the common difference

given a₁ = 4 and a₁₀= 40 , then

4 + 9d = 40 ( subtract 4 from both sides )

9d = 36 ( divide both sides by 9 )

d = 4

add d to each term to obtain the next term

4 + 4 = 8

8 + 4 = 12

12 + 4 = 16

16 + 4 = 20

20 + 4 = 24

24 + 4 = 28

28 + 4 = 32

32 + 4 = 36

the 8 terms between 4 and 40 are

8, 12, 16, 20, 24, 28, 32, 36

3 0
2 years ago
F(x) = 9x-7. f o f (2)
Serga [27]

Answer: 11

Step-by-step explanation: First, 9 times 2 is 18. Then subtract 18-7 which equals 11.

8 0
3 years ago
If there are 20 values in a data set in order from smallest to largest, what is
Natasha_Volkova [10]

Answer:

C The mean of the 10th and 11th values

Step-by-step explanation:

Strike the lowest and largest number until you get 1 or 2:

1, 2, 3,4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17, 18, 19, 20

2, 3,4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17, 18, 19

3,4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17, 18

4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17

5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16,

,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15

,7 8, 9, 10, 11, 12, 13 ,14,

8, 9, 10, 11, 12, 13

9, 10, 11, 12

10, 11,

Finding the Mean:

10+11

21

21/2

Mean:

10.5

8 0
2 years ago
Increase £16870 by 3%<br> Give your answer rounded to 2 DP.
ludmilkaskok [199]

Answer:

£17376.10

Step-by-step explanation:

Percentage increase.

16870 × (1 + 3%)

16870 × 1.03

= 17376.1

7 0
3 years ago
Read 2 more answers
Anyone please help me I have several questions?!!!!
Natali [406]

Answer:

depends what are  they

Step-by-step explanation:

5 0
2 years ago
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