Question

please solve it as fast as you can​

Answer 1

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Answer 2

Answer:

6.Distance covered = 350 km

Time taken = 5 hours

(i) Speed = distance/time=350/5

(ii) Distance covered in 6.2 hours

= 70 x 6.2km = 434km

7. =3.5x-9-3=x+1

=Simplifying 3.5x + -9 + -3 = x + 1

Reorder the terms: -9 + -3 + 3.5x = x + 1

Combine like terms: -9 + -3 = -12 -12 + 3.5x = x + 1

Reorder the terms: -12 + 3.5x = 1 + x

Solving -12 + 3.5x = 1 + x

Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.

-12 + 3.5x + -1x = 1 + x + -1x

Combine like terms: 3.5x + -1x = 2.5x -12 + 2.5x = 1 + x + -1x

Combine like terms: x + -1x = 0 -12 + 2.5x = 1 + 0 -12 + 2.5x = 1

Add '12' to each side of the equation. -12 + 12 + 2.5x = 1 + 12

Combine like terms: -12 + 12 = 0 0 + 2.5x = 1 + 12 2.5x = 1 + 12

Combine like terms: 1 + 12 = 13 2.5x = 13

Divide each side by '2.5'.

x = 5.2

Simplifying x = 5.2

Step-by-step explanation:

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