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Rina8888 [55]
3 years ago
5

Drag a statement or reason to each box to complete this proof.

Mathematics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

C. Addition property of equality; E. 3x=18; B. Division property of equality; D. x=6 ; A. Simplifying  

Step-by-step explanation:

Between the first and second step, 4 has been added to each side of the equation.  The property that allows us to do this is the addition property of equality.

On the thirdp, we are told the reason is simplifying; to simplify the second step, we would combine like terms.  On the left that would give us 3x and on the right it would give us 18; thus we have 3x = 18.

For the fourth step, we have 3x/3 = 18/3; both sides have been divided by 3.  The property that allows us to do this is the division property of equality.

After we divide and simplify, we are left with x = 6; the justification is simplifying.

Vadim26 [7]3 years ago
4 0
The items below show the complete steps as to how this is being answered.

  1. 3x - 4 = 14 >>>> Given
   2. 3x - 4 + 4 = 14 + 4 >>>
      Step number 2 above is an addition property of equality. Both sides of the equation are added with 4. 
  3. Simplifying >>>
      3x = 18
   4. 3x/3 = 18/3 >>>> Division property of equality
   5. >>>> Simplifying,
        x = 6

Hence, the order of the choices as answers is C, E, B, A, D. 

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Plz gyz ineed the calculation
postnew [5]

Answer:

1/8

Step-by-step explanation:

1st day......1/3

2nd day....1/6

3rd day....3/8

common denominator of 24

1/3 + 1/6 + 3/8 = 8/24 + 4/24 + 9/24 = 21/24 (this is water used)

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6 0
3 years ago
Mario invests 1,500 in a savings account that earns 2% interest a year. He also plans to set aside $50 cash a month. A:2100(1.02
Sedbober [7]

Answer:

<em>1500(1.02)^x  +   600x</em> is how much he has in savings at the end of x years where it be in the bank or elsewhere

Step-by-step explanation:

x is in years

Let's just think about the investment of 1500 in an account earning 2% per year.

Before the years even start, you are at 1500 ( present value).

The next year (year 1), it would be 1500*.02+1500=(1500)(1.02).

The next year (year 2), it would be 1500(1.02)(.02)+1500(1.02)=1500(1.02)(1.02).

We keep multiplying factors of (1.02) each time.

So for year x, you would have saved 1500(1.02)^x.

Now we are saving 50 cash per month. Per year this would be 12(50) since there are 12 months in a year.  12(50)=600.  

So the first year you would have 600.

The second year you would have 600(2) or 1200.

The third year you would have 600(3) or 1800.

Let's put this together:

1500(1.02)^x  +   600x

4 0
3 years ago
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Brilliant_brown [7]

Answer:

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Step-by-step explanation:

5 + 30 ÷ 10 =

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Remember PEMDAS!

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Answer:

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Step-by-step explanation:

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