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Jlenok [28]
4 years ago
15

2x + y = 3

Mathematics
1 answer:
miv72 [106K]4 years ago
3 0

Answer:

C) 5x=5

Step-by-step explanation:

Multiplying an equation by a number means multiplying all its terms by that number.

Multiplying equation one by 2,

2(2x+y=3)

4x+2y=6

Adding that to equation 2,

4x+2y=6

+ x-2y=-1

The result is 5x=5

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3 years ago
How to workout and the answer for -27x^3(-x^7) ÷16x^4
Helen [10]

Answer:27x^6 /16

Step-by-step explanation:27x^3 x x^7 divided by 16x^4

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4 0
3 years ago
Question Progress
Anastaziya [24]

Answer: Please see explanation column for answer

Step-by-step explanation:

According to sequence   2, 6, 18, 54, 162

--we can see that it is a geometric sequence since to go from one term to the next requires us to  multiply by 3 which is called the common ratio which is gotten by dividing the next by the previous.

ie term 2/ term 1= 6/2 = 3

term 3/ term 2= 18/6= 3

term 4/ term 3= 54/28= 3

term 5 / term 4= 162/54=3

term 6 will therefore be 162 x3 = 486

and term 7 = 486 x 3=1,458 and so on

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2 X 3^9

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4 0
4 years ago
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