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Neko [114]
3 years ago
9

Which expression is equivalent to the given expression?

Mathematics
2 answers:
Afina-wow [57]3 years ago
6 0

Answer:

To be i believe your answer is A because -2(n-3) do equivalent to -(2n-6).

I had the same test answer on k12!

Step-by-step explanation:


Eduardwww [97]3 years ago
3 0
The correct answer is A.
Hope it helps!
#MissionExam001

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What I what is the value of the following expression 7+18÷(6-3)
Anna11 [10]
The answer you are looking for would be: 
13 
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Have a wonderful day!!
5 0
3 years ago
Read 2 more answers
If the length of a rectangle is 5 m more than its width find the values of length and width if the area of a rectangle is 500 m²
astra-53 [7]

Answer:

Length of the rectangle  =25

width of the rectangle  = 20

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Let 'x' be the width of the rectangle

Given that the length of a rectangle is 5 m more than its width

Given that Area of the rectangle = 500m²

length of a rectangle = x +5

width of a rectangle = x

<u><em>Step(ii):-</em></u>

Area of the rectangle = length × width

             500 = x ( x+5)

          x² + 5 x = 500

      ⇒  x² + 5 x - 500 =0

      ⇒  x² +25x - 20 x - 500 =0

    ⇒  x( x+25) -20(x+25) =0

  ⇒  (x-20)(x+25) =0

 ⇒  x =20 and x=-25

we can choose x =20

<u><em>Step(iii):-</em></u>

Length of the rectangle = x +5 = 20 +5 =25

width of the rectangle  = 20

<u><em>Final answer</em></u>:-

Length of the rectangle  =25

width of the rectangle  = 20

3 0
2 years ago
Select all the options below that correctly fill in the blank. A ____ is a subcategory of polygon.
bixtya [17]

Answer:

A triangle and an octagon

Step-by-step explanation:

Let me know if either one of them is wrong

5 0
2 years ago
The fifth grade class at brookfield school used 5 identical buses to go on field trips. How many adults went on the field trip w
viva [34]
Is there more to the problem? There isn’t enough information here.
8 0
2 years ago
What is the measure of an exterior angle in a regular polygon with 15 sides?
vlabodo [156]
First, find the measure of an interior angle:
the sum of the interior angles of a polygon is (n-2)*180, n is the number of sides
for a 15-sided polygon, the sum is 13*180
each interior angle is then 13*180/15=156
the measure of each exterior angle=180-156=24
4 0
3 years ago
Read 2 more answers
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