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natima [27]
3 years ago
10

Whats the squareroot of 18

Mathematics
2 answers:
Ludmilka [50]3 years ago
8 0

Answer:

18 doesn't have a square root but you can simplify it

\sqrt{18 }

then you take 9 which is a square number and divide it to get 3 which you'll place on the outside

3\sqrt{2}

andreev551 [17]3 years ago
4 0

Answer:

it should be 4.24264068712 looked it up

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(Annuity number of​ periods) ​You've just bought a new​ flat-screen TV for ​$3,400 and the store you bought it from offers to le
AleksAgata [21]

9514 1404 393

Answer:

  2.5 years

  $736 in interest

Step-by-step explanation:

The relationship between the values in an amortization is ...

  A = P(r/12)/(1 -(1 +r/12)^(-12t))

Here, we have A = 140, P = 3400, r = 0.16 and we want to find t

  140 = 3400(0.16/12)/(1 -(1 +0.16/12)^(-12t))

  1 -(1 +0.16/12)^(-12t) = 1/3.0882353

  (1 +0.16/12)^(-12t) = 0.67619048

Taking logarithms gives ...

  -12t·log(1 +0.16/12) = log(0.67619048)

  t = log(0.67619048)/(-12·log(1+0.16/12)) ≈ 2.46177

It will take about 2.5 years to pay off the loan.

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The total of payments is ...

  (2.46177)(12)($140) = $4135.77

so, the interest paid is ...

  $4135.77 -3400 = $735.77

You will pay about $736 in interest over the life of the loan.

_____

<em>Additional comment</em>

The number of payments is calculated to be about 29.54. You would probably make 30 payments, with the last payment being a different amount than $140. The actual amount will depend on when the payment is made, and the amount of it that is finance charge. We believe the remaining balance after 29 payments will be $75. After a full month, the finance charge due on that amount is $1.00, bringing the total amount of interest paid to $736.

If the loan is paid off in the middle of the month, the interest due is reduced. Above, we have calculated interest based on a last payment made part way through the month. We rounded up, partly because of the ambiguity in the final payment.

4 0
2 years ago
What is the percent increase in the surface area of the AAA battery to the AA battery? Round your answer to the nearest tenth of
Bogdan [553]

Answer:

101.1%

Step-by-step explanation:

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r = 1.9 mm

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For AA battery

h = 1 mm

r = 2.75 mm

SA = (2π(2.75)^2 + 2π×2.75× 1 )

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He earned $852 total for both jobs
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