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lutik1710 [3]
3 years ago
13

Compound interest

Mathematics
2 answers:
g100num [7]3 years ago
8 0

Answer: £6910.71

Step-by-step explanation:

im not sure but i got this

ad-work [718]3 years ago
5 0

Answer:

£6886

Step-by-step explanation:

P x e^r x t is the formula for compound interest

P x e^0.05 x 3 = 8000

P x 1.162 = 8000

P = 6885.66 = £6886 (round to the nearest pound)

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What's 45,122 round to the nearest ten
ExtremeBDS [4]
45,120 if its ten.
45,000 if its ten thousand
5 0
3 years ago
Read 2 more answers
A simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were det
iragen [17]

Answer:

The correct option is d

Step-by-step explanation:

From the question we are told that

    The sample size is  n = 64

    The mean is  \= x = 320

    The standard deviation is \sigma  = 120

Generally the standard error of the mean is mathematically represented as  

       \sigma_x = \frac{\sigma}{ \sqrt{n} }

=>    \sigma_x = \frac{120}{ \sqrt{64} }

=>    \sigma_x =15

7 0
3 years ago
The sum of two number is 6. Twice the first number added to three times the second number is 10. Write a system of equations and
seropon [69]

Answer:

4 and 2 are the required numbers which satisfies the given equations

Step-by-step explanation:

Let the two numbers be x and y

According to the first condition

their is is 6

which is

x + y =6                ........................(i)

Now according to second condition

twice the first number i.e. 2x added to three time the second number i.e. 3y is 10

in form of equation it could be written as

2x + 3y = 10           ........................(ii)

Now from first equation we have

x + y =6

subtracting y from both sides

x = 6 - y                    .....................(iii)

Now putting this value of x in equation (ii)

equation (ii) is

2x + 3y = 10

Putting the value gives

2(6-y)+3y = 10

opening the brackets

12 - 2y + 3y = 10

12 - y = 10

subtracting 12 from both sides

12 - y -12 = 10 -12

it becomes

- y = -2

multiplying both sides by (-1)

it becomes

(-1)(-y) = (-2) * (-1)

y = 2

Now we got the value of y put it in equation iii which is

x = 6 -y

putting the value

x = 6 - 2

x = 4

So the two numbers are x = 4 and y = 2

3 0
3 years ago
What is the perimeter of 4in. 4in.
barxatty [35]

Perimeter = 4 × side

= 4 \times 4 \\  = 16in

The perimeter of a 4-inch square is 16 inches.

8 0
3 years ago
The length of the hypotenuse of a 30 -60 -90 triangle is 11, find the perimeter ?
pentagon [3]
Cos(30) = x/11

cos(30) × 11 = 9.53

sin(30) × 11 = 5.5

perimeter = 11+9.53+5.5 = 26.03

Hope this helps
5 0
3 years ago
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