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SOVA2 [1]
2 years ago
12

(i need a fast and clear answer please and ill also mark you as brainlyest)

Mathematics
2 answers:
marishachu [46]2 years ago
8 0

Answer:

Step-by-step explanation:

6) a) Cost = 12.40 x 0.6 = $7.44

   b) Cost = 12.40 x 0.05 = $0.62

marin [14]2 years ago
8 0

Answer:

1 m = $0.62 and 12 m = $7.44

Step-by-step explanation:

20m = $12.40

→ Find 1 m

1 m = $0.62

→ Now find 12 metres

12 m = $7.44

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kondor19780726 [428]

The right answer is Option A:x=\frac{rs-t}{2}

Step-by-step explanation:

Given expression is;

s=\frac{2x+t}{r}

We will solve this expression for x, therefore,

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r*s=\frac{2x+t}{r}*r\\rs=2x+t

Subtracting t from both sides

rs-t=2x+t-t\\rs-t=2x\\2x=rs-t

Dividing both sides by 2

\frac{2x}{2}=\frac{rs-t}{2}\\x=\frac{rs-t}{2}

The right answer is Option A:x=\frac{rs-t}{2}

Keywords: subtraction, division

Learn more about subtraction at:

  • brainly.com/question/1238144
  • brainly.com/question/12497249

#LearnwithBrainly

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