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Nadya [2.5K]
3 years ago
11

Which property is shown by 6+9=9+6?

Mathematics
2 answers:
Zepler [3.9K]3 years ago
4 0
I think associative property of addition
NNADVOKAT [17]3 years ago
3 0
Commutative Property of Addition
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Select the correct answer from each drop-down menu.
irakobra [83]

Answer:

The length of side AC is 5 units.

The areas of triangle ABC is 10 square units.

Step-by-step explanation:

From point A (1,3) to point C (1,-2) is 5 units

To check this:

3 - (-2) = 3 + 2 =5

We're subtracting since the point went down (from positive 3 to negative 2)

Now for the area:

Area formula for a triangle: \frac{1}{2}bh = \frac{1}{2}⋅b⋅h

We already found the height (length) : 5

The base is from point C (1,-2) to point B (5,-2), which is 4 units

To check this:

5 - 1 = 4

Now that we have found the base and height, Let's solve:

\frac{1}{2}⋅4⋅5 = \frac{1}{2}⋅20 = 10

Our area is 10 square units.

Hope that helps :)

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2 years ago
5k + 9 = 89.............
blsea [12.9K]

Answer:

k= 16

Step-by-step explanation:

89-9=80

80/5=16

16=k

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Step-by-step explanation:

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