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stepan [7]
3 years ago
10

16cm/min equals how many meters in one hour

Mathematics
1 answer:
Phantasy [73]3 years ago
6 0
16cm x 60 would give you the centimeters per hour 
16 x 60 = 960cm
             = 9.6m

(There are 60 minutes in an hour which is how i got that number)
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5x - y + z = -6<br> 2x + 7y + 3z = 8<br> x + 2z = 6
BabaBlast [244]

Answer:

Step-by-step explanation:

The system of equations given are:

 

 5x - y + z = -6   ------------- i

 2x + 7y + 3z = 8  ---------- ii

  x + 2z = 6 ----------------- iii

Let us deal with equation i and ii first since they have 3 variables x, y and z;

      5x - y + z = -6                 x 7

       2x + 7y + 3z = 8            x 1

    35x  - 7y + 7z  = -42   ----  iv

      2x  + 7y + 3z  = 8       ---- v

Add equation iv and v;

    37x + 10z  = -34 ------vi

So, let us solve equation vi and iii:

               x + 2z = 6 - ---------- iii   x 10

               37x + 10z  = -34  --- iv  x 2

    10x + 20z   = 60         vi

     74x + 20z  = -68        vii

Subtract vi  - vii;

      -64x  = 128

          x  = -2

So;    put x  = -2 into iii;

           x + 2z  = 6

           -2 + 2z  = 6

            2z  = 6 + 2  = 8

           z  = 4

Put x  = -2 and z = 4 into equation i;

  5(-2) - y + 4  =  - 6

   -10 -y  +4  = -6

       -6  - y  = -6

             -y  = 0

              y  = 0

5 0
3 years ago
Question is in the picture
photoshop1234 [79]
Answer is 11 radical 6, C.
6 0
2 years ago
Read 2 more answers
Lily's car used 6 gallons of gas to drive 237 miles. At what rate does her car use gas in miles per gallon? Express your answer
iogann1982 [59]

Answer:

<u>39.5 miles/gallon.</u>

Step-by-step explanation:

6 gallons of gas used to drive 237 miles

The rate of her car uses gas in miles per gallon =

\frac{237 miles}{6 gallons} = \frac{237}{6} = 39.5 \ miles/gallons

Which mean the car will consume 1 gallon for each 39.5 miles.

7 0
3 years ago
Answer this math quedtion <br> 40s+(2b)s+200
Elina [12.6K]
Is it supposed to be equal to something, maybe "0"? You wouldn't be able to solve this without that.
5 0
3 years ago
Mr Jones spent 156 to attend a college football game .twenty percent of this cost was for a parking pass.he spent the remainder
maks197457 [2]
Step One: Find 20% of 156
20% = .20
156 x .20 = 31.20

Step Two: Find the price of tickets

31.20 / 2 = 15.60

Final Answer: $15.60 per ticket

Hope this helps!
4 0
3 years ago
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