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Kaylis [27]
3 years ago
15

Please help i can't figure this problem out

Mathematics
1 answer:
densk [106]3 years ago
8 0

Answer:

there is a very good pdf that could help you with your math problems.

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Find the distance (-1,-2) and (3,-1)
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Answer:

\sqrt{17}

Step-by-step explanation:

\sqrt{4^2 + 1^2}

\sqrt{17}

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3 years ago
which expressions represents a 20% discount off the price of an item that originally cost D dollars ​
Charra [1.4K]

Answer:

D - (D/5)

Step-by-step explanation:

Let's imagine that D equals 100 dollars -

Well, we know that to get 20% of an amount, we need to divide the amount by five. So let's do that -

100 / 5 = 20

We now know that 20% of 100 dollars is equal to 20 dollars. We have now finished the first part. On to the second part.

We now need to take away 20% of 100 dollars off of 100 dollars - this is the price of the item after the discount.

100 - 20 = 80 dollars.

We now fit in D instead of 100 dollars -

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6 0
3 years ago
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What is the solution of the equation 3 (×+2)=×+11
Ainat [17]

3(x+2) = x+11

3x+6 = x+11

3x-x = 11-6

2x = 5

x = 5/2  OR

x = 2.5

5 0
3 years ago
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No files!!! <br> Will give brainliest and please don’t guess
ohaa [14]

Answer:

i think its 54. i might be incorrect.

Step-by-step explanation:

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Solve: 6x-9 = 3x<br> A x = 3<br> B x=1<br> C x = -1<br> D X=-3
Bumek [7]

Answer:

Answer is A, A=3

Step-by-step explanation:

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