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IrinaVladis [17]
3 years ago
12

Solve the following problem using the order of operations. Then match each operation with its place in the order.

Mathematics
2 answers:
padilas [110]3 years ago
7 0

Answer:

1.Subtraction.

2.Division.

3.Multiplication.

4.Addition.

Step-by-step explanation:

You have to follow the P.E.M.D.A.S., this is:

P:Parenthesis first.

E:Exponent next.

M:Multiplication.

D:Division.

(Multiplication and Division is whichever come first, from left to right)

A: Addition.

S: Subtraction.

(Addition and Subtraction is whichever come first, from left to right)

We have 2+(3-9)÷(-3)·4

First we have to do the subtraction (because it's between parenthesis):

2+(-6)÷(-3)·4

Second we have to do the division because it's on the left:

2+2·4

Third we have to do the multiplication:

2+8

Fourth we have to do the addition:

10

ruslelena [56]3 years ago
3 0
2 + (3 - 9) / -3 * 4

 1st is subtraction...u have to do what is in the parenthesis first

2 + (- 6) / -3 * 4

2nd is division

2 + 2 * 4

3rd is multiplication

2 + 8

4th is addition

10 <== ur solution
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One number is 3 times another. If the sum of the two numbers is 15, find the two numbers.
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Answer:

15/4 and 45/4

Step-by-step explanation:

Let x and y be the numbers

x = 3y

x+ y = 15

Substitute the first equation in to the second equation

3y+y = 15

4y = 15

y = 15/4

x = 3(15/4)

x = 45/4

The two numbers are 15/4 and 45/4

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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.

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I have 6 feet of licorice and I want to share it with my friends. If each person gets
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The correct reason for statement 5 is Commutative Property.
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