4 years ago

Step by step please solve g+12-2(q-22)>0

Mathematics

1 answer:

soldi70 [24.7K]4 years ago

6 0

I hope this helps you

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Answer:

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

Step-by-step explanation:

Weight of the metal bar ,M= 36 g

Weight of the zinc in the metal bar , m= 18 g

Percentage of zinc in the metal bar :

$=\frac{m}{M}\times 100$

$=\frac{18 g}{36 g}\times 100=50\%$

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

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Answer:

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Step-by-step explanation:

Given: Equation is $-4(x-3)=20$

To find: flaw in Gwendolyn's work and the correct solution to the equation.

Solution:

In the given question,

the first step is $-4(x-3)=20$

The second step is $-4x+12=20$

(This step is obtained on multiplying $-4$ by $x-3$ )

The third step is $-4x=32$

This step is wrong as on transposing 12 from left side of the equation in the second step to the right side, the following equation is obtained:

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Step-by-step explanation:

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