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julia-pushkina [17]
3 years ago
11

How can you express (15 + 30) as a multiple of a sum of whole numbers with no common factor? 2 × (7.5 + 15)+

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
2x(7.5+15)+(15+30)= 90
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Four points are placed on a circle. How many segments will it take to connect each point to every other point?
alexandr1967 [171]

Answer:

6 segments are required to connect each point to every other point.

Step-by-step explanation:

If four points are placed on a circle.Then as we know the segment is a line that join two points.

Now as we are given four points on the circle.

  • so we will firstly start with the first point; the first point requires 3 segments to connect to the remaining three points.
  • Next second point will just require 2 segments to connect to the two points as it is already connected to the first point.
  • similarly third point requires just one segment to connect to the last point as it is already connected to first and second point as done above.
  • and hence by the above three steps the fourth point is connected to all the points.

Hence, 6 segments are required to connect each point to every other point.

3 0
3 years ago
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3 years ago
Their sum is 6 and their difference is 36<br> Help plz
Ivan

Answer:

Step-by-step explanation:

if you can use negative numbers then   you could use 21 and -15

so

adding them together is  21 + (-15) = 6

and then subtracting  21 - (-15) =

                                     21 + 15 = 36

do you think that would work ?  :/

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5) 6x + 5y =-15<br><br> Need help it’s writing linear equations!!
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Answer:

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3 years ago
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If a parabola’s focus is at (1,1) and directrix is at y = 7, what is the standard form of the equation representing this parabol
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<span>y=1/12(x-1)2<span>+4

attached is a file/ picture i made in google images of a graph of it, i explain the steps as well.
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4 years ago
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