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irinina [24]
3 years ago
8

What do the following two equations represent? -3x-y = 3−3x−y=3minus, 3, x, minus, y, equals, 3 -3x-y = 3−3x−y=3

Mathematics
1 answer:
allochka39001 [22]3 years ago
4 0

3 x minus y equals 3

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Consider this algebraic expression:     –3x + x + 5 Use the algebra tiles to model the expression.
luda_lava [24]

For this case, we have the following expression:

-3x + x + 5

We simplify the expression:

If we add similar terms, taking into account that different signs are subtracted and the sign of the greater one is placed, we have that -3x + x = -2x

So, we have to:

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3 years ago
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Car A, traveling at a constant 10 m/s, crosses the start line 3 seconds before Car B, who is traveling at a constant 15 m/s. At
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The distance between Car A and car B,When Car A crosses the start line is:
distance =speed car B* time
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Distance traveled by car A =x,  (when the car B is at the same distance from the start line)
time of car A=t

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Distance traveled by car B=x
time of car B=t-3

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With the equations (1) and (2) we make a system of equations:

x=10t
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We solve this system of equations:

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x=10 t=10 (9)=90

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8 0
3 years ago
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Lyrx [107]

tiene que sacar la raiz nena

4 0
3 years ago
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