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Luba_88 [7]
3 years ago
6

Whats is 12 =12x -1 ????????

Mathematics
2 answers:
Mice21 [21]3 years ago
8 0

Answer:

13 / 12

Step-by-step explanation:

12 = 12x - 1

12x - 1 = 12

12x = 12 + 1

12x = 13

x = 13 / 12

Lerok [7]3 years ago
5 0

Answer:

if you want 12 x 12 - 1 it is 143

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Step-by-step explanation:

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3 years ago
Q.16 please<br> With steps
blsea [12.9K]

The equations

2x^2+9x-5=0

and

2\left(t-\dfrac12\right)^2+9\left(t-\dfrac12\right)-5=0

are really the same, we're just setting x=t-\dfrac12, or t=x+\dfrac12.

2x^2+9x-5=(2x-1)(x+5)=0\implies x=\dfrac12,x=-5

So we get

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3 years ago
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3 years ago
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LuckyWell [14K]

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4 0
3 years ago
Jenny thinks that the expression below is equal to x²-4. If you agree, show that she is correct. If you disagree, show that she
sergiy2304 [10]

Answer:

Jenny is wrong the correct answer is x²+ 4 - 4 x.

Step-by-step explanation:

Given that

(x-2)³∕x-2

(x-2)³∕(x-2) =(x-2) (x-2)²∕(x-2)

(x-2)³∕(x-2) = (x-2)²

As we know that

(a-b)² = a²+b² - 2 ab

So

(x-2)² = x²+ 2² - 2 ˣ 2 ˣ x =  x²+ 4 - 4 x

(x-2)² =  x²+ 4 - 4 x

It means that

(x-2)³∕(x-2) = (x-2)² =  x²+ 4 - 4 x

So Jenny is wrong the correct answer is x²+ 4 - 4 x.

8 0
3 years ago
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