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Hitman42 [59]
3 years ago
11

X/3+10=15 I don't know how to solve this I'm confused and don't know where to start

Mathematics
1 answer:
NARA [144]3 years ago
7 0
X/3 +10=15
         -10   -10
x/3       =5

so the x will be 15 because if you multiply 3x5 = 15

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Elenna [48]

Answer:

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Step-by-step explanation:

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Alona [7]

The speed of current will be "4.5 mph" and the rate Pratap can row in still water will be "8.5 mph".

What does "speed" mean in mathematics?

  • Speed is what it means. the speed of a change in an object's location in any direction.
  • Speed is defined as the ratio of distance to the amount of time it took to cover that distance.
  • Speed is a scalar quantity because it just has a direction and no magnitude.

Given:

Distance "26 miles" in time "2 hours".

Let,

Speed of water = y

Pratap speed when rowing in still water = x

As we know,

      Speed = distance/time

then,

  x + y = 26/2

  x + y = 13

 x = 13 - y

In return trip took him time "6.5 hours",

       x - y = 26/6.5

      x - y = 4

By substituting the value of "x", we get

 13 - y - y = 4

  13 - 2y = 4

     2y = 13 - 4

        2y = 9

          y = 9/4 = 4.5 mph (Rate of the current)

By substituting the value of "y", we get

    x = 13 - a

   x = 13 - 4. 5 = 8.5 mph (Pratap can row in still water)

Learn more about speed

brainly.com/question/28224010

#SPJ13

4 0
1 year ago
How many triangles can be constructed with three angies, each measuring 63
andre [41]

Answer:

Three angles all equal is one equal triangle I pretty sure of this

Step-by-step explanation:

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#3 is what I need help on
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Step-by-step explanation:

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PS: 1.95 is the discount. Hope this helps. Have a good day.

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Kiera already has 12 plants in her backyard and she can also grow 1 plant with every seed packet she uses. How many seed packets
Elza [17]

Answer: 12

Step-by-step explanation: 24 - 12 times 1

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