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-BARSIC- [3]
3 years ago
13

What is 15.40 rounded off the nearest whole number

Mathematics
2 answers:
netineya [11]3 years ago
5 0
15 because the first number after the decimal 15.(4)0 must be 5 or more to round up
melisa1 [442]3 years ago
4 0

Answer:

15

Step-by-step explanation:

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What is the equation of the following line written in general form?
WINSTONCH [101]
C. 4x +5y -34=0.thats the answer hope it helps
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3 years ago
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Select steps that could be used to solve the equation 1 + 3x = -x + 4.
Olegator [25]

Answer:

A, C & D

Step-by-step explanation:

A) 1 + 3x = -x + 4  {subtract 1}

  1 + 3x -1 = -x + 4 - 1

       3x     = -x + 3         {add x}

     3x + x = -x + 3 + x

        4x    = 3       {Divide by 4}

       4x/x = 3/4

x = 3/4

C) 1 + 3x = -x +4            {Add x}

  1+ 3x + x = - x +4 + x      

   1 + 4x  = 4    {subtract 1}

        4x = 4 - 1

        4x = 3   {Divide by 4}

D) 1 + 3x = -x + 4        { Subtract 3x}

         1    = -x + 4 -3x

         1 = -4x + 4          Subtract 4}

      1 - 4 = -4x

        -3 = -4x              {Divide by -4}

       -3/-4 = x

x = 3/4  

          x = 3/4

7 0
3 years ago
The midpoint of AB is at (3,7) and A is at (0,-5). Where is B located?
Veronika [31]
I attached your answer below...

4 0
3 years ago
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ryzh [129]

Answer:

x= 3 +\sqrt{23}, 3 -\sqrt{23}

Step-by-step explanation:

You use the quadratic formula to get x= \frac{18+6\sqrt{23} }{6} ,\frac{18-6\sqrt{23} }{6}

Then you simplify and get the answers x= 3 +\sqrt{23}, 3 -\sqrt{23}

​​  

​​  

6 0
3 years ago
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What multiplies to be 280 and adds to be negative 36
photoshop1234 [79]
The two numbers are -18+ 2√(11) and -18 -2√(11).

-18+ 2√(11)+ [-18 -2√(11)]= -36
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Hope this helps~


4 0
3 years ago
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