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dsp73
3 years ago
10

Help I don’t get it at all

Mathematics
2 answers:
enot [183]3 years ago
7 0

Answer:

n= 70

Step-by-step explanation:

180 - 40 = 140.

140 / 2 = 70

because a triangle has 180 degrees and n is on bost sides so yeah n is 70

Naily [24]3 years ago
5 0
The answer to your question is n is equal to 70
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-12x + 12 = 4 - 15x + 9
emmainna [20.7K]

Answer:

x = 1/3

Step-by-step explanation:

-12x + 12 = 4 - 15x + 9

Combine like terms

-12x +12 = -15x+13

Add 15x to each side

-12x+12 +15x = -15x+15x+13

3x+12 = 13

Subtract 12 from each side

3x+12-12 = 13-12

3x = 1

Divide by 3

3x/3 = 1/3

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8 0
3 years ago
Solve 40=4y.<br><br> the solution is y=??
Tanzania [10]

Answer:

y = 10

Step-by-step explanation:

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3 years ago
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Veronika [31]

Answer:

It's gonna be 2t - 7 my friend

Step-by-step explanation:

8 0
2 years ago
Darin can purchase tile at a store for 0.79 per tile and rent a tile saw for $24. At another store, he can borrow the tile saw f
ankoles [38]
Let us denote the number of tiles by T.

In the first store, if Darin bought T tiles, he would need to spend:
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In the second store, if Darin bought T tiles, he would need to spend:
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For the cost to be the same at both stores, it means (measured in $)
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Moving 0.79T over to the left hand side and changing signs:
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Let's check. If he buys 60 tiles in the first store, he spends:
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If he buys 60 tiles in the second store, he spends:
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∴ Darin needs to buy 60 tiles for the cost to be the same at both stores.
7 0
3 years ago
To be considered similar, two polygons must have corresponding sides that are ______.
Bond [772]
Corresponding sides must be proportional and corresponding angles are congruent.
LetterA
7 0
3 years ago
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