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alisha [4.7K]
3 years ago
13

The mean of 12,26,18,8,14,56,16​

Mathematics
2 answers:
mixer [17]3 years ago
5 0
2 is the mean not that hard lol
qaws [65]3 years ago
3 0

21.4 is the answer mean=21.4

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Hannah invested $4000 in a savings account that that earned 2% interest compounded quarterly. she determined that if she does no
Svetach [21]

Answer:

Her account balance after 3 years is $4,246.71

Step-by-step explanation:

In this question, we are tasked with calculating what Hannah's account balance will be after 3 years and the error she made in her calculations

Mathematically, to calculate the account balance after 3 years, we use the formula for the compound interest as follows.

Mathematically, the amount A earned on a compound interest is calculated as

A = P(1+r/n)^{nt}

where A is the account balance after the number of years which is what we want to know

P is the initial amount invested which is $4000

r is the interest rate which is 2%(2/100 = 0.02) according to the question

n is the number of times interest is compounded per year which is 4(quarterly means every 3 months)

t is the number of years which is 3

We plug the values into the question;

A = 4000(1 + 0.02/4)^(3)(4)

A = 4000(1+0.005)^12

A = 4000(1.005)^12

A = $4,246.71

P.S ; I do not see Hannah's calculation and as such I cannot spot where she made the error in her calculations

5 0
3 years ago
the length of a rectangle is 3 times its width. the perimeter is 55. find the length and width of the rectangle
Shkiper50 [21]

Answer:

Step-by-step explanation: L= length    w= width   p= perimeter

L=3W         p=55CM

P. of rectangle= 2(l+w)=55cm

L+w= 55/2= 27.5 cm

3w+w=27.5cm

4w=27.5cm

w=27.5/4=6.875cm          w=6.875cm     L= 3w=6.875*3=20.625cm

4 0
2 years ago
What’s the anwers ? Need help
shusha [124]
5 because 2/6 of 24 is 8 and the difference of thirteen and 8 is 5
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3 years ago
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Salve this a equation: 2.2x+19.246=2-2.36x ?
Elodia [21]

Answer:

4.56x=-17.246

x=-17.246/4.56

x-3.78

I would appreciate if my answer is chosen as a brainliest answer

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3 years ago
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One T-shirt is sold for every 5 people who attend a concert.
Marta_Voda [28]
The ratio of people to t shirts is 5 to 1 
Otherwise written as 5:1
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3 years ago
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