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brilliants [131]
3 years ago
11

Expand and simplify . 2xy(5y-3x)-6xy(4y-2x) PLEASE HELP. BEST ANSWER RECIEVES A BRIANLIEST​

Mathematics
2 answers:
inessss [21]3 years ago
5 0

Answer:

6x²y-14xy²

Step-by-step explanation:

2xy(5y-3x)-6xy(4y-2x)

opening brackets

=10xy²-6x²y-24xy²+12x²y

=10xy²-24xy²-6x²y+12x²y

=-14xy²+6x²y

=6x²y-14xy²

abruzzese [7]3 years ago
3 0

Answer:

6x^2y-14xy^2

Step-by-step explanation:

2xy(5y-3x)-6xy(4y-2x)

2xy(5y)+2xy(-3x)-6xy(4y)-6xy(-2x)

10xy^2-6x^2y-24xy^2+12x^2y

-6x^2y+12x^2y+10xy^2-24xy^2

6x^2y-14xy^2

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Dos amigos tienen lapices bordadores y tajadores en su cartuchera hay 8 borradores en total Mónica tiene el doble de lápices q F
aalyn [17]

Answer:

Mónica tiene 5 sacapuntas, 10 lápices y no borradores, mientras que Felipe tiene 5 lápices, 10 sacapuntas, 8 borradores

Step-by-step explanation:

El número total de borradores = 8

La cantidad de lápices que tiene Mónica = 2 × La cantidad de lápices que tiene Felipe

El número de sacapuntas que tiene Mónica = El número de lápices que tiene Felipe

El número de sacapuntas que tiene Felipe = 5 + El número de lápices que tiene

El número de suministros que tiene Monica = 18

El número de goma de borrar que tiene Monica = 0

Sea x el número de sacapuntas que tiene Monica, obtenemos;

El número de lápices que tiene Felipe = x

El número de sacapuntas que tiene Felipe = 5 + x

El número de lápices que tiene Monica = 2 · x

El número total de suministros que tiene Monica = x + 2 · x = 18

∴ x = 18/3 = 6

El número de sacapuntas que tiene Monica = 5

El número de lápices que tiene Monica = 2 · x = 2 × 5 = 10

El número de gomas de borrar que tiene Monica = 0

El número de lápices que tiene Felipe = x = 5

El número de sacapuntas que tiene Felipe = 5 + x = 5 + 5 = 10

El número de gomas de borrar que tiene Felipe = 8.

8 0
3 years ago
Compare these fractions Zero this is what then 0/9
Arturiano [62]

Answer:

0

Step-by-step explanation:

The answer is 0 anything divided into 0 is 0, anything divided BY 0 is undefined.

6 0
4 years ago
U should donate to khan academy: )
Ulleksa [173]

Answer:

We will be donating to Khan to help more and more students learn.

Sincerely Student team at Adams HS, MI

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2 years ago
What is an equation that models the following situation?​
Oksanka [162]

Answer:

b  

Step-by-step explanation:

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3 years ago
Find the value of x.
poizon [28]
We know that
Sum of angles in triangle = 180°
let third angle be Y

Now ,
60+74+Y = 180

=> 134 + Y = 180

=> Y = 46°

Now to find X

We know that angle made by straight line is 180°

So now ,
Third angle + x = 180°

=> 46 + x = 180

=> x = 180 -46
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6 0
2 years ago
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