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astraxan [27]
1 year ago
10

Help me on number 10 please.​

Mathematics
2 answers:
wel1 year ago
8 0

Answer: The answer is 32.

Step-by-step explanation:

48 <u>Divided By 3</u><em> Multiplied by 2 = 32 </em>

<em></em>

<em>So the value of N is: 32.</em>

LenaWriter [7]1 year ago
3 0

Answer:

9.) B. division

10.) 8

Explanation:

9. Which operation to do first in order of operations?

Answer: Applying BODMAS where:

[B] brackets

[O] order

[D] division

[M] multiplication

[A] addition

[S] subtraction

Maintaining order, division operation is done first. Then multiplication and then addition and so on.

10. Given that N = 48 ÷ 3 × 2

⇒ N = 48 ÷ 3 × 2

⇒ N = 48 ÷ 6

⇒ N = 8

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Can someone please help me? I don't understand how to solve this.
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Answer:

  (5, 15)

Step-by-step explanation:

The problem statement tells you how to solve it. You are expected to know what the midpoint formula is.

You are given that (x, y) is the unknown end point. If (Mx, My) is the midpoint, and (x1, y1) is one end point, the midpoint formula tells you ...

  Mx = (x1 +x)/2

  My = (y1 +y)/2

__

Solving these equations for x and y, you get ...

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  x = 2Mx -x1

Similarly, ...

  2My = y1 +y

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__

Filling in the given coordinates, this becomes ...

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  y = 2(7) -(-1) = 14 +1 = 15

The other endpoint is (5, 15).

_____

<em>Additional comment</em>

I like to write the midpoint formula for points A and B as ...

  M = (A +B)/2

where A and B each represent an ordered pair (or triple, in 3 dimensions). The arithmetic is done element-by-element on the ordered pairs, so this formula is equivalent to the one above.

If you solve it for B, you get ...

  B = 2M - A . . . . the other endpoint given the midpoint and one endpoint

This might be a formula you want to add to your list of useful formulas in Algebra.

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2 years ago
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