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Elena L [17]
3 years ago
13

011. Factorise: 18x² -32 y² using suitable identity.​

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0

Answer:

2(3x-4y) (2x+4y)

Step-by-step explanation:

2•3²•x²-2⁵•y²

2(2•3²•x⅖ -2⁵•y²)

2 2

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If 12a - 5 = 4a + 11 ,then a= what?
FinnZ [79.3K]

Answer:

a=2

Step-by-step explanation:

12a - 5 = 4a + 11

Subtract 4a from each side

12a-4a - 5 = 4a-4a + 11

8a -5 = 11

Add 5 to each side

8a -5+5 = 11+5

8a = 16

8a/8 = 16/8

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7 0
3 years ago
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For the expression 34- 34a to have a negative​ value, what must be true about the value of a ​?
MArishka [77]

Answer:

a>0

Step-by-step explanation:

if a is negative then the subtraction sign would switch. therefore, for the expression to have a negartive value a must be greater than 0

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Is 9.55x10 to the 3rd power greater than less than or equal to 5,900
erastovalidia [21]

Answer:

See below.

Step-by-step explanation:

9.55 * 10^3 = 9550.

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3 years ago
1. 3x + 6y = 3 and 7x + 3y = 7<br>ons for bo​
sweet-ann [11.9K]

Answer:

(1,0)

Step-by-step explanation:

3x + 6y = 3

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--------------------

-11 x = -11

Divide by -11

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