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arsen [322]
3 years ago
14

Solve the following system of equations by substitution. 3x + 2y = -12 x = 2 A. (2, -9) B. (-2, -3) C. (3, 2) D. (2, 3)

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
4 0
Plugging it in, we get (3)(2)+2y=-12 and 6+2y=-12. Subtracting 6 from both sides, we get -18=2y and dividing by 2 we get y=-9  to get (2, -9) since x is first in the pair
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For 2 sweaters for that price what percent discount is that?
Harrizon [31]

Answer: 75% off


Step-by-step explanation:

Your first sweater is the full 100% of the cost. The second it only 50 percent. If you add these to find out how many percent you will pay which is 150 for both. If you were to divide by 2 you get 75 percent off each sweater. The first sweater is $48 the second you multiply by .5 (as its 50 percent off ) and the cost is $24 dollars. 48 plus 24 is 72 then that divided by 2 is 36. Now 36$ is the price per sweater.  36/48 or  3/4 (which is 75%)

6 0
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Find the measure of angle A.<br> 95°<br> 14x + 1<br> A<br> 14x
Olenka [21]

Answer:

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There is 5/6 of an apple pie left from dinner. Tomorrow, victor plans to eat 1/6 of the pie that was left. How much of the whole
V125BC [204]
Lets assume the whole pie is 1, that is all fractions added together have to sum 1.
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7 0
3 years ago
Read 2 more answers
I’ll give brainliest please help asap :D
USPshnik [31]
<h3>Answer:</h3><h3> C</h3><h3 /><h3>Step-by-step explanation:</h3><h3>It is C.</h3>

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4 0
3 years ago
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lana66690 [7]

Answer:

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Step-by-step explanation:

The general formula for the area of a square is A = s², where s = the length of one side of the square.  In the case of the smaller square the area would be: n x n = n².  Since the side of the larger square is 'p' inches longer, the length of one side is 'n + p'.  To find the area of the larger square, we have to take the length x length or (n +p)².

Using FOIL (forward, outside, inside, last):

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Since the area of the first triangle is n², we can subtract this amount from the area of the larger square to find out how many square inches greater the larger square area is.

n² + 2np + p² - n² = 2np + p²


8 0
3 years ago
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